what is written history ​

Answers

Answer 1

A written history ​means the writing of history, such as the writing of history based on the critical examination of sources which is also known as historiography.

How can we define written history?

Also known as recorded history describes the historical events that have been recorded in a written form or other documented communication which are subsequently evaluated by historians using the historical method.

Historiography also includes the theory and history of historical writing. Modern historians strive to reconstruct a record of human activities and gain a deeper understanding of them.

Read more about historiography

brainly.com/question/18837262

#SPJ1


Related Questions

There are rectangular cards divided into 4 equal cells with different shapes
, , , drawn in each cell. Cards can be placed side by side only if the
same shapes appear in adjacent cells on their common side. 9 cards are used
to form a rectangle as shown in the figure. Which of the following cards was
definitely NOT used to form this rectangle

Answers

The sοlutiοn οf the given prοblem οf rectangle cοmes οut tο be E is the answer.

A rectangle is what?

In the Euclidean plane, a rectangle is a square with fοur perpendicular edges. It is alsο referred tο as an equiangular parallelοgram οr a seemingly equal-sided rectangle. The trapezοid can alsο have a straight edge. Fοur οf the sides οf a square are equal in length. Rectangular quadrilaterals have fοur equal sides and fοur 90° edges. Its name is sοmetimes "rectangular trapezοid" as a cοnsequence.

Here,

Due tο the shared suits οf the adjacent sectiοns.

Therefοre,

Case 1: Triangles and circles must be arranged in a series fοr hοrizοntal fitting.

Therefοre,

A, C, and D are excellent οptiοns. Sο they can't be the sοlutiοns.

Again,

Case 2.

Tο accοmmοdate vertically,

Rectangle and Triangle need tο be in the same cοlumn. And B is where that is happening.

sο that,

The οnly exceptiοn is:

"E" is the answer.

To know more about rectangle visit:

brainly.com/question/29123947

#SPJ1

Complete question:

Use what you learned from analyzing the electricity bill to answer this question.
11. Using information from the electricity bill, explain the importance of budgeting electricity
into monthly finances. How would you create a plan to adjust your monthly budget as bills
fluctuate month by month?

Answers

Answer: Budgeting for electricity is important because it allows you to plan and allocate your financial resources in a way that ensures that you can pay your electricity bills on time and avoid late payment fees, disconnection, or debt accumulation. Electricity bills can fluctuate significantly from month to month, depending on factors such as the weather, the number of people living in your home, your electricity usage patterns, and changes in electricity rates.

To create a plan to adjust your monthly budget as bills fluctuate month by month, you can take the following steps:

- Review your past electricity bills to identify patterns and trends in your usage and costs. Look for any changes that may have occurred, such as the addition of new appliances, a change in occupancy, or a change in electricity rates.

- Use this information to estimate your average monthly electricity costs. This will be your baseline budget.

- Consider setting aside a buffer amount, such as 10-15%, to account for unexpected changes or fluctuations in your electricity bills.

- Monitor your electricity bills closely each month to compare your actual costs with your budgeted amount. If your bills are consistently higher or lower than your budgeted amount, adjust your budget accordingly for the following month.

- Look for ways to reduce your electricity usage and costs, such as turning off lights and appliances when not in use, using energy-efficient light bulbs and appliances, and adjusting your thermostat settings.

- Consider enrolling in a budget billing or level payment plan offered by your electricity provider, which allows you to pay the same amount each month based on your estimated annual usage.

By budgeting for electricity and adjusting your budget as bills fluctuate month by month, you can better manage your finances, avoid surprises, and ensure that you can pay your bills on time.

Step-by-step explanation:

PLEASE HELP QUICK 30 POINTS

What is the relationship between the radian measure of an angle and the length of the arc intercepted by that angle on the unit circle?

Answers

The radian measure of an angle is directly proportional to the length of the arc intercepted by that angle on the unit circle.

What is proportional?

Proportional is a mathematical concept that describes the relationship between two or more values that have a constant ratio. It is commonly used to describe the relationship between two or more variables, such as the size of an object in relation to another or the amount of a certain item in relation to the total amount. In proportionality, the ratio of the amounts remains consistent, no matter what the size of the values.

This means that as the angle increases, so does the length of the arc. This is because the length of an arc is determined by the angle measure of the central angle created by the arc, and the radian measure of an angle is the ratio of the arc length to the radius of the circle. Therefore, if the angle measure increases, so does the arc length.

To learn more about proportional
https://brainly.com/question/24868934
#SPJ1


Jillian measures two line segments. Segment A is 12.4 centimeters long and segment B is
4 centimeters in length. Which best represents the ratio of the length of segment A to the length
of segment B?

4
1
3.1
3.1

Answers

3.1 best represents the ratio of the length of segment A to segment B.

What is ratio?

By comparing two amounts of the same unit and finding the ratio, one can determine how much of one quantity is included in the other.

We are given that Jillian measures two line segments.

The length of Segment A is measured as 12.4 centimeters and the length of Segment B is measured as 4 centimeters.

So, on comparing both the lengths, we get

⇒12.4 : 4

⇒124 : 40

⇒3.1

Hence, 3.1 best represents the ratio of the length of segment A to segment B.

Learn more about ratio from the given link

https://brainly.com/question/12024093

#SPJ1

An integer is 17 more than 4 times another. If the product of the two integers is -15, then find the integers.

Answers

Let's use algebra to solve this problem.

Let x be one of the integers, and y be the other integer.

From the problem, we know that:

x = 4y + 17 (one integer is 17 more than 4 times the other)

xy = -15 (the product of the two integers is -15)

We can use substitution to solve for one of the variables. From the first equation, we can write:

y = (x - 17)/4

Substituting this expression for y into the second equation gives:

x(x - 17)/4 = -15

Multiplying both sides by 4 and expanding gives:

x^2 - 17x = -60

Rearranging gives:

x^2 - 17x + 60 = 0

This is a quadratic equation that can be factored as:

(x - 5)(x - 12) = 0

So the solutions are:

x = 5, y = (-12/4) = -3

x = 12, y = (-5/4) = -1.25

Since the problem states that the integers are both integers, the only valid solution is:

x = 5, y = -3

Therefore, the two integers are 5 and -3.

i don’t know how to do it

Answers

The total resistance of three resistors in parallel s 2 Ohms. Option A

What is resistance?

Resistance can be defined as the measure of the opposition to current flow in an electrical circuit.

Resistance is measured in Ohms, using the Greek symbol for omega (Ω).

It is also described as the hindrance to the flow of electrons in material.

It is important to note that for resistors in parallel, the total resistance is the reciprocal of the sum of reciprocals of the individual resistors.

This is represented as;

1/Rt = 1/R₁ + 1/R₂ + 1/R₃ ...

Where the variables , 'R' represented the resistors

Now, substitute the values, we have;

1/Rt = 1/4 + 1/8 + 1/8

Find the lowest common multiple

1/Rt = 2 + 1 + 1/8

1/Rt = 4/8

Take the reciprocal of the values

Rt = 8/4 = 2 Ohms

Learn about resistance at: https://brainly.com/question/14883923

#SPJ1

A five-pound bag of potatoes costs $2.95 in a particular store. What is the unit price of the potatoes per ounce?

Answers

Therefore, the unit price of the potatoes per ounce is $0.036875.

What is unitary method?

The unitary method is a mathematical technique that involves finding a single unit value in order to solve a problem involving multiple units. In other words, the unitary method involves finding the value of one unit of a given quantity, and then using that value to calculate the value of another quantity that is related to it.

Here,

First, we need to convert pounds to ounces since the unit price is usually measured in terms of ounces. There are 16 ounces in one pound, so:

5 pounds = 5 x 16

= 80 ounces

The bag of potatoes costs $2.95 for 80 ounces, so the unit price per ounce can be found by dividing the total cost by the number of ounces:

Unit price per ounce = Total cost / Number of ounces

Unit price per ounce = $2.95 / 80

= $0.036875

To know more about unitary method,

https://brainly.com/question/28276953

#SPJ1

please help me i really need help

Answers

Answer:

B. (-3, 4)

Step-by-step explanation:

x=0-3=-3

y=0+4=4

(-3, 4)

Answer:

(-3, 4)

Second answer choice

Step-by-step explanation:

The coordinates of A(0, 0) are shifted to the left by 3 units. A shift to the left means the new x- coordinate = old x-coordinate -3 = 0 -3

A shift up means the new y-coordinate = old y-coordinate + 4 + 0 + 4 = 4

Therefore the new coordinates of A are (-3, 4)

Which equation represents the vertex form of the equation y = x2 + 6x + 5?

Answers

The vertex form is:y(x-3)2-4

:) Good luck

Use the method of completing the square to express in vertex form.

Given

[tex]y = x^2 - 6x + 11[/tex]

To complete the square

add/subtract ( half the coefficient of the x- term )² to x² - 6x

[tex]y = x^2 + 2(- 3)x + 9 - 9 + 11[/tex], then

[tex]y = (x - 3)^2 + 2[/tex]

[tex]\bold{y= (x - 3)2 + 2}[/tex]

How does the slope of the red triangle compare to the slope of the blue triangle 

A: the slope of the blue triangle is twice the slope of the red triangle

B: the slope of the red triangle steeper than the slope of the blue triangle

C: the slopes of the two triangles are the same

D: the slope of the red triangles have the slope of the blue triangle

Answers

Hence, in answering the stated question, we may say that C: the two graphs triangles' slopes are the same.

What is graphs?

Mathematicians use graphs to visually explain or chart events or variables. A graph point often indicates a connection between one thing and another. A graph, a non-linear data structure, is constituted of nodes (vertices) and edges. Glue the nodes, which are also called as vertices. This graph has E=1, 2, 1, 3, 2, 4, and (2.5) edges and V=1, 2, 3, 5. (3.5). (4.5). Graphical representations of exponential growth in analytical charts (bar charts, pie charts, line charts, and so on). a graph of a logarithmic triangle.

According to the image you gave, both the red and blue triangles have the same slope. As a result, the solution is:

C: the two triangles' slopes are the same.

To know more about graphs visit:

https://brainly.com/question/11950136

#SPJ1

19. What is the total amount to be repaid on a 1-year term
loan of $800 with an interest rate of 14%?
A. $892
B. $902
C. $912
D. $922

Answers

Answer: the answer is C $912.

Step-by-step explanation: The interest on the loan is calculated as follows:

Interest = Principal x Rate x Time

where Principal is the amount borrowed, Rate is the interest rate as a decimal, and Time is the length of the loan in years. Substituting the given values, we get:

Interest = $800 x 0.14 x 1

Interest = $112

Therefore, the total amount to be repaid is the sum of the principal and the interest, which is:

Total amount = Principal + Interest

Total amount = $800 + $112

Total amount = $912

what is the largest possible median for the five number set (x,2x,3,2,5) if x can be any integer

Answers

The largest pοssible median fοr the five-number set (x, 2x, 3, 2, 5) is 8.5 (if x is οdd) οr 5.5 (if x is even)

What is Median?

The median is the middle value in a set οf numbers arranged in οrder. It is the value that separates the higher half frοm the lοwer half.

Tο find the largest pοssible median fοr the five-number set (x, 2x, 3, 2, 5), we need tο cοnsider the different cases when x is an integer.

First, let's arrange the numbers in οrder:

{2, 3, 2x, 5, x}

Tο find the median, we need tο determine the middle number in the set. If the set has an οdd number οf elements, the median is the middle number. If the set has an even number οf elements, the median is the average οf the twο middle numbers.

Case 1: x is even

If x is even, then 2x is even and x < 2x. Therefοre, the middle numbers are 2x and 3, and the median is (2x + 3) / 2.

Case 2: x is οdd

If x is οdd, then 2x is even and 2 < 2x. Therefοre, the middle numbers are 2 and 2x, and the median is (2 + 2x) / 2.

Tο find the largest pοssible median, we need tο maximize (2x + 3) / 2 οr (2 + 2x) / 2, depending οn whether x is even οr οdd. This οccurs when x is the largest pοssible integer, which is:

x = 4 (if x is even)

x = 7 (if x is οdd)

Therefοre, the largest pοssible median fοr the five-number set (x, 2x, 3, 2, 5) is:

(2x + 3) / 2 = (2(7) + 3) / 2 = 8.5 (if x is οdd)

οr

(2x + 3) / 2 = (2(4) + 3) / 2 = 5.5 (if x is even)

To learn more about Median from the given link

https://brainly.com/question/28060453

#SPJ1

Help!!

A hiker is climbing a local peak. After 1.5 hours of hiking, he is at an altitude of 220 feet. After 4 hours, he is at an altitude of 410 feet.
What is the hiker's altitude after 4.5
hours?

Answers

The hiker's altitude after 4.5 hours is 448 feet.

What is arithmetic?

Arithmetic is an elementary part of mathematics that consists of the study of the properties of the traditional operations on numbers—addition, subtraction, multiplication, division, exponentiation, and extraction of roots.

Here, we have

Given: A hiker is climbing a local peak. After 1.5 hours of hiking, he is at an altitude of 220 feet. After 4 hours, he is at an altitude of 410 feet.

We have to find the hiker's altitude after 4.5 hours.

We have height as a function of time:

x = time, y = height

Our two points are (1.5, 220), (4, 410), and (4.5,x)

(4-1.5) = (410-220)

2.5 = 190

1 = 190/2.5

1 hours = 76 feet

0.5 hours = 38 feet

4.5 hours = 410 + 38 feet = 448 feet

Hence,  the hiker's altitude after 4.5 hours is 448 feet.

To learn more about the arithmetic from the given link

https://brainly.com/question/28369191

#SPJ1

solve the system of equations graphed on the coordinate axes below

Answers

The solution to the system of equations on the graph is (0, 0)

How to determine the solution to the system

From the question, we have the following parameters that can be used in our computation:

y = -2x and y = 4/3x represented on a graph

On the graph, we have two lines that intersect at a point

Using the above as a guide, we have the following:

The point of intersection of lines in a graph is the solution to the graph

In this case, they intersect at (0, 0)

So, the solution is (0. 0)

Read mroe about system of equation at

https://brainly.com/question/13729904

#SPJ1

-5/8 - -4/3 in simplest form

Answers

Answer:

To subtract two fractions, you need to have a common denominator. The common denominator for 8 and 3 is 24.

-5/8 = -15/24 (multiply both the numerator and denominator by 3)

-4/3 = -32/24 (multiply both the numerator and denominator by 8)

Now, we can subtract the two fractions by subtracting their numerators while keeping the common denominator.

-15/24 - (-32/24) = -15/24 + 32/24 = 17/24

Therefore, -5/8 - -4/3 = 17/24 in its simplest form.

Exact form: 17/24
Decimal form: 0.70833333

A flower bed is in the shape of a triangle, with a base of 15 feet and a height of 9 feet. What is the area of the flower bed? (4 points)

Answers

The area of the flower bed is 67.5 square feet.

An area in mathematics is what?

The area of an object is the space that is enclosed by its boundaries. The number of unit squares on the surface of a closed figure determines its area.

The following formula provides the area of a triangle:

(1/2) * Base * Height = Area

Inputting the values provided yields:

Area equals (1/2) * 15 * 9

Dimensions: 67.5 square feet

The flower bed therefore has a 67.5 square foot space.

To know more about Area visit:

https://brainly.com/question/27683633

#SPJ9

What is the longest flagpole (in whole feet) that could be shipped in a box that measures 2 ft by 2 ft by 15 ft?

Answers

The longest flagopole that could fit in the box is 15.26 feet

What is the longest flagopole that could fit in the box?

The longest flagopole would have a length equal to the diagonal of the box.

It goes, lengthwise, from one vertex to the opposite vertex, and if the dimensions of the box are x, y, z, then the diagonal is:

d = √(x² + y² + z²)

In this case the box is 2ft by 2 ft by 15ft, then the diagonal is:

d = √(2² + 2² + 15²) = 15.26

That is the maximum length that can fit in the box, 15.26ft

Learn more about diagonals:

https://brainly.com/question/23008020

#SPJ1

Point G' has coordinates (-5, 2). If it was reflected across the y-axis, what were the coordinates of its pre-image?

(-5, -2)
(5, 2)
(2, -5)
(5, -2)

Answers

Answer: Second answer, (5,2)

Step-by-step explanation:

To reflect across the y axis, it would be: (x,y) -> (-x,y)

So, (-5,2) reflected across the y axis would be (5,2)

Sanjay attempts a 49-yard field goal in a football game. For his attempt to be a success, the football needs to pass through the uprights and over the crossbar that is 10 feet above the ground.

Sanjay kicks the ball from the ground with an initial velocity of 73 feet per second, at an angle of 34° with the horizontal.

What is true of Sanjay's attempt?

Responses

The kick is not successful. The ball is approximately 5 feet too low.

The kick is not successful. The ball is approximately 8 feet too low.

The kick is not successful. The ball is approximately 2 feet too low

The kick is good! The football clears the crossbar by approximately 5 feet.

Answers

In the above prompt involving a trajectory calculation, the correct option is: "The kick is not successful. The ball is approximately 5 feet too low." (Option A)

What is the rationale for the above response?

x component of trajectory =   73 cos 34   f/s  

   Now how long will it take to travel 49 yards (= 147 feet) ?

         147 / (73 cos 34) = 2.43 seconds

Initial y component of trajectory = 73 sin 34 f/s = 40.82 f/s  

    but this velocity is acted upon by gravity

       y = y0 + vot - 1/2 a t^2      

                         y0 = 0        

Now we need to know the y value at 2.43 seconds to see if it will clear the uprights.

y = 40.82 (2.43)  - 1/2 (32.174)(2.43)2  

= 4.2 Feet      
Thus, it is correct to state that the "The kick is not successful. The ball is approximately 5 feet too low."

Learn more about Trajectory:
https://brainly.com/question/28164318
#SPJ1

Please help me find the answer to this question pleaseeee

Answers

Circle: R
Radius: BR
Diameter: ID

I’s it yes or no because you have to justify the answer

Answers

Yes, both triangles are similar.

What is similar triangle?

Similar triangles are two triangles that have the same shape, but may differ in size. In other words, their corresponding angles are congruent and their corresponding sides are proportional. This means that if you were to scale one triangle up or down, it would still maintain the same shape as the other triangle.

In ΔABC,

AC² = 36² +15²

AC² = 1521 = 39²

AC = 39

In ΔXYZ,

XY² = 24² +10²

XY² = 676 = 26²

XY = 26

If the ratio of the sides of both triangles are similar So we can say that the both triangles are similar.

AB/XZ = BC/YZ = AC/XY

15/10 = 36/24 = 39/26

3/2 = 3/2 = 3/2

Here we can see that the ratio of the sides of both triangles are similar So we can say that the both triangles are similar.

To know more about triangle, visit:

https://brainly.com/question/17815056

#SPJ1

The annual rainfall in a certain region is approximately normally distributed with mean 40.9 inches
and standard deviation 5.3 inches. Round answers to the nearest tenth of a percent.
a) What percentage of years will have an annual rainfall of less than 44 inches?
%
%
b) What percentage of years will have an annual rainfall of more than 38 inches?
c) What percentage of years will have an annual rainfall of between 37 inches and 43 inches?
%

Answers

Answer:

a) To find the percentage of years with an annual rainfall of less than 44 inches, we need to find the area under the normal curve to the left of 44. Using a standard normal distribution table or a calculator, we find the z-score corresponding to 44 inches:

z = (44 - 40.9) / 5.3 = 0.585

The area to the left of z = 0.585 is approximately 0.7202. Therefore, about 72.0% of years will have an annual rainfall of less than 44 inches.

b) To find the percentage of years with an annual rainfall of more than 38 inches, we need to find the area under the normal curve to the right of 38. Using a standard normal distribution table or a calculator, we find the z-score corresponding to 38 inches:

z = (38 - 40.9) / 5.3 = -0.717

The area to the right of z = -0.717 is approximately 0.4713. Therefore, about 47.1% of years will have an annual rainfall of more than 38 inches.

c) To find the percentage of years with an annual rainfall between 37 inches and 43 inches, we need to find the area under the normal curve between the corresponding z-scores:

z1 = (37 - 40.9) / 5.3 = -0.736

z2 = (43 - 40.9) / 5.3 = 0.396

Using a standard normal distribution table or a calculator, we find the area between z = -0.736 and z = 0.396 is approximately 0.6181. Therefore, about 61.8% of years will have an annual rainfall between 37 inches and 43 inches.

Step-by-step explanation:

Step-by-step explanation:

a) To find the percentage of years with an annual rainfall of less than 44 inches, we need to find the area under the normal distribution curve to the left of 44 inches.

Using a standard normal distribution table or calculator, we can find the z-score:

z = (44 - 40.9) / 5.3 = 0.585

The area to the left of this z-score is approximately 0.72, or 72%.

Therefore, approximately 72% of years will have an annual rainfall of less than 44 inches.

b) To find the percentage of years with an annual rainfall of more than 38 inches, we need to find the area under the normal distribution curve to the right of 38 inches.

Using a standard normal distribution table or calculator, we can find the z-score:

z = (38 - 40.9) / 5.3 = -0.736

The area to the right of this z-score is approximately 0.77, or 77%.

Therefore, approximately 77% of years will have an annual rainfall of more than 38 inches.

c) To find the percentage of years with an annual rainfall between 37 inches and 43 inches, we need to find the area under the normal distribution curve between the z-scores for 37 inches and 43 inches.

Using a standard normal distribution table or calculator, we can find the z-scores:

z1 = (37 - 40.9) / 5.3 = -0.736

z2 = (43 - 40.9) / 5.3 = 0.394

The area between these z-scores is approximately 0.53, or 53%.

Therefore, approximately 53% of years will have an annual rainfall between 37 inches and 43 inches.

What is the common difference in the arithmetic sequence 10, 8, 6, 4, ...?

1/2
-1/2
-2
2

Answers

Answer:

The common difference in an arithmetic sequence is the constant difference between any two consecutive terms. In this sequence, the difference between each pair of consecutive terms is -2, so the common difference is -2.

Therefore, the answer is -2.

Need help my assignment is due in an hour. Please will be appreciated!

Answers

Answer:

a)g(x) = 2f(x+1)

B) the point (-1, 3) would end up at (-4, 1) on the new graph.

Step-by-step explanation:

(b). A competitive market has the demand schedule p=420-2q and the supply schedule p= 60+ 4q where p is measured in naira. (i) Find the equilibrium values of p and q. (ii) What will happen to these values if the government imposes a tax of N24 per unit on q?​

Answers

1. The equilibrium quantity = 60, the equilibrium price = 300

2. If the government imposes the tax of 24, the quantity supplies would fall to 56, and the price would rise to 308

How to solve for equilibrium

At equilibrium we have P = Q

that is price is equal to quantity. Such that we would have:

420-2q = 60+ 4q

take the like terms

420 - 60 = 4q + 2q

360 = 6q

q = 360 / 6

q = 60

The equilibrium quantity = 60 then equilibrium price =

420-2q

420 - 2 * 60

300

The equilibrium price is 300

2. If the government imposes 24 dollar per unit

420-2q = 60+ 4q + 24

420 - 2q = 84 + 4q

420 - 84 = 4q + 2q

336 = 6q

56 = q

420-2 * 56

p = 308

If the government imposes the tax of 24, the quantity supplies would fall to 56, and the price would rise to 308

Read more on demand and supply here:https://brainly.com/question/4804206

#SPJ1

Suppose the refills for a particular mechanical pencil
have a mean diameter of 0.5 mm and standard
deviation of 0.007 mm. Refills below 0.485 mm do not
stay in the pencil, while those above 0.520 mm do not
fit in the pencil at all.
What is the probability that a randomly chosen refill will
(Round all answers to nearest thousandths)
a) be too large?
b) be too small?
c) fit correctly?

Answers

Answer:

the probability that a randomly chosen refill will fit correctly is 0.9780 (rounded to three decimal places).

Step-by-step explanation:

We can use the standard normal distribution to solve this problem. We first need to calculate the z-scores for the given diameters.

a) To find the probability that a randomly chosen refill will be too large, we need to find the probability of getting a diameter greater than 0.520 mm.

z-score = (0.520 - 0.5) / 0.007 = 2.857

Using a standard normal table or calculator, we find that the probability of getting a z-score of 2.857 or greater is 0.0021.

Therefore, the probability that a randomly chosen refill will be too large is 0.0021 (rounded to three decimal places).

b) To find the probability that a randomly chosen refill will be too small, we need to find the probability of getting a diameter less than 0.485 mm.

z-score = (0.485 - 0.5) / 0.007 = -2.143

Using a standard normal table or calculator, we find that the probability of getting a z-score of -2.143 or less is 0.0164.

Therefore, the probability that a randomly chosen refill will be too small is 0.0164 (rounded to three decimal places).

c) To find the probability that a randomly chosen refill will fit correctly, we need to find the probability of getting a diameter between 0.485 mm and 0.520 mm.

First, we find the z-scores for each diameter:

z-score for 0.485 mm = (0.485 - 0.5) / 0.007 = -2.143

z-score for 0.520 mm = (0.520 - 0.5) / 0.007 = 2.857

Using a standard normal table or calculator, we find that the probability of getting a z-score between -2.143 and 2.857 is 0.9780.

Therefore, the probability that a randomly chosen refill will fit correctly is 0.9780 (rounded to three decimal places).

Ron has an average of 83.5 on the first four mathematics tests this marking period. He needs an average of 85 to make the honor roll. If there is only one more test this marking period, what score will Ron need to earn on the last test to give him average of 85? Show your work and explain how you arrived at your answer.

Answers

Answer: 86.5

Step-by-step explanation:  

(83.5 + x )/2= 85

2(85)= 83.5 + x

170-83.5 =x

x= 86.5

Write and solve an equation to answer the question.
What number a is 24% of 25?

Answers

Answer:6

Step-by-step explanation:

24------100%

x--------25%

100x=25*24

x=25*24/100=24/4=6

Ramona has saved $63. She has saved 3 times has much
money as Luke. How much money has Luke saved?

Answers

Answer:

Luke has saved $21

Step-by-step explanation:

Answer:

According to the problem, Ramona has saved 3 times as much money as Luke, so:

Ramona's savings = 3x

Luke's savings = x

The problem tells us that Ramona has saved $63, so we can write an equation:

3x = 63

To solve for x, we can divide both sides by 3:

x = 21

Therefore, Luke has saved $21.

If 0 equal( Picture)

Answers

Answer:

[tex]\sin(\theta) = -\dfrac{\sqrt2}{2}[/tex]

[tex]\cos(\theta) = -\dfrac{\sqrt2}{2}[/tex]

Step-by-step explanation:

The sine of any given angle on the unit circle is the y-coordinate of the point on the circle at the given angle.

The cosine of any given angle on the unit circle is the x-coordinate of the point on the circle at the given angle.

See the attached image for a labeled unit circle.

The point on the unit circle that is at angle 5π/4 is:

[tex]\left(-\dfrac{\sqrt2}{2},-\dfrac{\sqrt2}{2}\right)[/tex]

This means that:

[tex]\sin\left(\dfrac{5\pi}{4}\right) = \cos\left(\dfrac{5\pi}{4}\right) = \boxed{-\dfrac{\sqrt2}{2}}[/tex]

Other Questions
You have discovered a problem in your workplace and identified this research question: will practicing in non- business related activities enhance hiring and retention of a diverse workforce? The next step is to conduct a literature review to find out what others have said about this problem and help find an answer to the question. How would you begin to search for appropriate literature for this action research question? 6) 5. How does the author's discussion of differentdeath rates help readers understand the spreadof the Black Death? Use evidence from the text inyour response. in determining whether a third-party is an intended or incidental beneficiary, a court may consider: (choose two answers.) the length of the contract performance before a benefit would be reached by the party. whether the third party received any benefit from the contract. whether the party is able to control any details of the performance. whether the party is directly named in any part of the contract A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the given equation. Using this equation, find out the maximum amount of profit the company can make, to the nearest dollar. y=-4x+141x703 2. Why do you think Marlow leaves out the Africans' point of view in his depiction of imperialism ? a feature of countries with a high masculinity index is that . multiple choice question. they place great importance on a friendly atmosphere individuals are encouraged to be group decision makers achievement is defined in terms of layman contacts and the living environment they emphasize earnings, recognition, advancement, and challenge Part AThere were 600 water samples taken for an experiment using pH and iron levels. The results are shown in the table.What are the probabilities for the listed events? Write your answers as decimals rounded to the thousandths place. Find the surface area of the equilateral triangular pyramid. A 180cm^2 B 228cm^2C 268cm^2D 456cm^2 HELP ASAP PLEASE! The volume of a box with length 10 cm, width 8 cm, and height 6 cm is how many cubic centimeters greater than a box of length 6 cm, width 6 cm, and height 5 cm? from the outsiders by S.E hinton PLS HELP If the Curtis family were from the west side of town and were Socs, how would their lives differ? How would they view the greasers? A cart rolls down a ramp. The cart has a mass of 45 lb m . The cart starts at rest. The ramp is angled 0.17 radians downward from the horizontal. The cart travels a total distance of 97 meters along the ramp on the planet earth. What is the velocity of the cart at the bottom of the ramp? Assume friction is negligible What is the main benefit of automated testing? a. it is useful for performing the same test repeatedly. b. it helps the client to test software. c. it helps in gathering the hardware requirements. d. it helps developers to write dummy code. I will mark you brainiest!In steps pleaseA scalene triangle has sides of 13 feet, 15 feet, and 21 feet. Find the perimeter of the triangle. p(1)=0.08, p(2)=0.02, p(3)=1.03 Coins are placed into a treasure chest, and each coin has a radius of 1.2 inches and a height of 0.0625 inches. if there are 250 coins inside the treasure chest, how many cubic inches of the treasure chest is taken up by the coins? round to the nearest hundredth and approximate using = 3.14. a. 0.28 in3 b. 70.65 in3c. 117.75 in3d. 282.60 in3 A 20,000 gallon swimming pool contains 5000 gallons of water when a hose is placed in the pool and begins adding water at a rate of1250 gallons per hour.Use the Segment tool to plot a graph representing the volume of water in the pool over time from when the hose is placed in the pooluntil the pool is full Which system of equations has the solution (4, -3) A. y = -2x + 5 and x + y = 1B. y = 2x - 5 and x - y = 1C. y = -5x + 2 and 2x + y = 2D. y = 5x - 2 and 2y - x = 2 Observations are taken on sales of a certain mountain bike in 25 sporting goods stores. The regression model was Y= total sales (thousands of dollars), X 1 = display floor space (square meters), X 2 = competitors' advertising expenditures (thousands of dollars), X 3 = advertised price (dollars per unit). (a) Fill in the values in the table given here. (Negative values should be indicated by a minus sign. Leave no cells blank - be certain to enter "0" wherever required. Round your t-values to 3 decimal places and p -values to 4 decimal places.) (b-2) Choose the correct option. Only CompetingAds differs significantly from zero. Only FloorSpace differs significantly from zero. Only Price differs significantly from zero. When responding to the criticism, Dr. King used various reasons and support in his argument forKairos. List three of the reasons/support he used and why you think he used them. Cite evidencefrom the Letter in your response. Evaluate the expression shown below and write your answer as afraction in simplest form. 1/4 - 1/10