Answer: The total number of dogs at the event will depend on the number of playpens in each tent and the number of tents.
In each tent, there are x puppy playpens and y senior dog playpens, and there are 4 dogs in each playpen.
To find the total number of dogs at the event, we need to multiply the number of playpens in each tent by the number of dogs per playpen, and then multiply that by the number of tents.
So the expressions that represent the total number of dogs at the event are:
5xy(4) (multiplying the number of playpens in each tent by the number of dogs per playpen, and then by the number of tents).
20xy (combining the multiplication).
4(5xy) (multiplying the number of dogs per playpen by the number of playpens in each tent, and then by the number of tents).
20xy (combining the multiplication).
Therefore, the expressions that represent the total number of dogs at the event are 20xy and 4(5xy).
Step-by-step explanation:
The number of puppies at the event is represented by the expression 20x, and the number of senior dogs at the event is represented by the expression 20y.
Explanation:The total number of dogs at the event can be calculated by adding the number of puppies and senior dogs. Since there are x puppy playpens and y senior dog playpens in each tent, and there are 5 tents, we would have 5 * x playpens for puppies and 5 * y playpens for senior dogs. Each playpen holds 4 dogs, so the number of puppies would be 4 * 5 * x, and the number of senior dogs would be 4 * 5 * y. Therefore, the expressions that represent the total number of dogs at the event are 20x (for the puppies) and 20y (for the senior dogs).
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simplify the expression, 23.5 - 2.4 (3.9 - 8.6 ) + 4.4
Two brothers drove home together from a trip. Kevin drove for 12 hours at a average speed of 65 per hour. Jeffery drove 24 hours at an average speed of 60 miles per hour. What is the total number of miles driven by the two brothers?
The total number of miles driven by the two brothers is 2,220 miles.
What is the total number of miles driven?Average speed is the ratio of total distance and time. It measures how fast an object is moving with respect to time.
Average speed = distance / time
In order to determine the formula for distance from the formula of average speed, multiply both sides of the equation by time.
Distance = time x average speed.
The distance that Kevin covered = 65 x 12 = 780 miles
The distance that Jeffery covered = 60 x 24 = 1440 miles
The total distance is the sum of the distance covered by Kevin and the distance covered by Jeffery.
Total distance = 1440 + 780 = 2,220 miles
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a/(a−b)(a−c)+b/(b+c)(b−a)b+c/(a−c)(b−c)
Answer:
a^2-ac/a-b + b^3-b^2*a/b+c + bc-c^2/a-c
Step-by-step explanation:
Find the present value of $80,000 due in 4 years at the given rate of interest. (Use a 365-day year. Round your answer to the nearest cent.)
4%/year compounded quarterly
$73,394.49 is the present value of $80,000 that is due in 4 years at a 4% interest rate.
What is compound interest?Compound interest is interest that is accrued on both the principal and the prior interest. It is frequently referred to as "interest over the interest" as a result. Here, the interest that has already accrued is added to the principal, and the resulting amount acts as the new principal for the following period.
Hence, compound interest is the sum of interest on the principal and interest on earlier interest.
Using the formula below, it is possible to determine the present value of $80,000 payable in 4 years at a 4% rate of interest compounded quarterly:
PV = FV / (1 + r/n) ^(nt)
such that:
Present Value, or PV, is the term.
FV stands for future value.
The annual number of compounding periods is n, and the interest rate is r.
The number of years is t.
To solve this problem, we have:
FV = $80,000
r = 4% = 0.04
n = 12 (as compounding is done monthly)
t = 4
Adding these values to the formula provides the following results:
PV = 80,000 / (1 + 0.04/12) ^ (12 × 4)
PV = 80,000 / (1.003333) ^48
PV = 80,000 / 1.090777
PV = 73,394.49
As a result, $73,394.49 is the present value of $80,000 that is due in 4 years at a 4% interest rate.
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given a population with a normal distribution, a mean of 40, and a standard deviation of 15, find the probability of a value between 50 and 70
Answer:
To find the probability of a value between 50 and 70 in a normal distribution with mean 40 and standard deviation 15, we need to first standardize the values using the z-score formula:
z = (x - μ) / σ
where x is the value we are interested in, μ is the mean, and σ is the standard deviation.
For the lower bound of 50:
z = (50 - 40) / 15 = 0.67
For the upper bound of 70:
z = (70 - 40) / 15 = 2
Using a standard normal distribution table or a calculator with a built-in normal distribution function, we can find the probabilities corresponding to these z-scores:
P(0 < z < 0.67) = 0.2514
P(0 < z < 2) = 0.4772
To find the probability of a value between 50 and 70, we can subtract the probability of the lower bound from the probability of the upper bound:
P(50 < x < 70) = P(0 < z < 2) - P(0 < z < 0.67)
P(50 < x < 70) = 0.4772 - 0.2514
P(50 < x < 70) = 0.2258
Therefore, the probability of a value between 50 and 70 in this normal distribution is 0.2258 or about 22.58%.
I'LL MARK THE BRAINLIEST
What is the exact circumference of the circle?
Answer: c=2πr
Step-by-step explanation:
because im just that guy
Answer:
c=62.8
Step-by-step explanation:
diameter=20
radius=10
c=2πr
c=2×22/7×10
c=62.8
W(4y-4)
Z
52°
Y
14
3y
X
Check the picture below.
[tex]52=(4y-4)+(3y)\implies 52=76-4\implies 56=7y \\\\\\ \cfrac{56}{7}=y\implies \boxed{8=y} \\\\\\ \stackrel{\measuredangle W}{4y-4}\implies 4(8)-4\implies \text{\LARGE 28}[/tex]
Find the average rate of change of the function f(x)
f(x) = 10 from [2, 3].
x-4
Answer:
Step-by-step explanation:
The formula for average rate of change of a function f(x) over an interval [a, b] is given by:
Average rate of change = [f(b) - f(a)] / (b - a)
In this case, we are given the function f(x) = 10 and the interval [2, 3]. So, a = 2 and b = 3. Substituting these values, we get:
Average rate of change = [f(3) - f(2)] / (3 - 2)
= [(10 x 3 - 4) - (10 x 2 - 4)] / (3 - 2)
= (30 - 20) / 1
= 10
Therefore, the average rate of change of the function f(x) = 10 from [2, 3] is 10.
Determine the missing description.
The missing description in radical form is ∛64.
What is an exponent?In Mathematics, an exponent can be defined as a mathematical operation that is used in conjunction with an algebraic expression to raise a quantity to the power of another and it is generally written as;
bⁿ
Where:
the variables b and n represent numerical values or an algebraic expression.
Based on the information about the rational exponent form, we have the following:
64^{1/3} = 4
∛64 = 4.
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Evaluate the following using suitable identities.
a) 972
b) 102 X 105
PLEASE REPLY FAST
I WILL MARK AS THE BRAINLIEST ANSWER
Using suitable identities, the following mathematical expressions are evaluated:
a) 972 is evaluated as 1000 - 28
b) 102 x 105 is evaluated as = 10710
How did we evaluate?Mathematical evaluation refers to the process of finding the numerical value of a mathematical expression or equation using mathematical operations and rules. The evaluation involves substituting values for variables and simplifying the expression or equation until a final answer is obtained.
In more complex cases, mathematical evaluation may involve multiple steps and the use of various identities and formulas to simplify the expression or equation before arriving at the final answer
The given values are evaluated as follows:
a) 972 can be evaluated using the following identity:
972 = 1000 - 28
b) 102 x 105 can be evaluated using the following identity:
102 x 105 = (100 + 2) x 105 = 100 x 105 + 2 x 105 = 10500 + 210 = 10710
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barrowed 2,500 2 year loan intrest 155what was intres rate charged when opened account
If one borrowed $2,500 for 2 years and paid interest of $155, the interest rate charged was 3.053%.
How is the interest rate determined?The interest rate is computed using an online finance calculator with the following set parameters.
The interest rate represents the annual percentage rate of interest charged on the loan for 2 years.
N (# of periods) = 2 years
PV (Present Value) = $2,500
PMT (Periodic Payment) = $-0
FV (Future Value) = $-2,655
Results:
I/Y = 3.053%
Total Interest = $155.00
Thus, for this loan, the interest rate was 3.053%.
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Answer this question please
The coordinates of the vertices from of the image of triangle ABC are A'(x, y) = (0, - 1), B'(x, y) = (- 1, - 1) and C'(x, y) = (- 0.5, - 4).
How to determine the image of a triangle by rotation
Herein we find the representation of a triangle on a Cartesian plane, which is generated by three non-colinear points set on the plane mentioned above. The image of the triangle can be found by applying the following rigid transformation formulas:
x' = Ox + (x - Ox) · cos θ - (y - Oy) · sin θ
y' = Oy + (x - Ox) · sin θ + (y - Oy) · cos θ
Where:
(Ox, Oy) - Coordinates of the center of rotation.θ - Angle of rotation, in degrees.(x, y) - Coordinates of the vertex.If we know that (Ox, Oy) = (- 2, 0), θ = 180°, A(x, y) = (- 4, 1), B(x, y) = (- 3, 1) and C(x, y) = (- 3.5, 4), then the resulting coordinates of the triangle are, respectively:
xA' = Ox + (xA - Ox) · cos θ - (yA - Oy) · sin θ
xA' = - 2 + [- 4 - (- 2)] · cos 180° - (1 - 0) · sin 180°
xA' = 0
yA' = Oy + (xA - Ox) · sin θ + (yA - Oy) · cos θ
yA' = 0 + [- 4 - (- 2)] · sin 180° + (1 - 0) · cos 180°
yA' = - 1
xB' = Ox + (xB - Ox) · cos θ - (yB - Oy) · sin θ
xB' = - 2 + [- 3 - (- 2)] · cos 180° - (1 - 0) · sin 180°
xB' = - 1
yB' = Oy + (xB - Ox) · sin θ + (yB - Oy) · cos θ
yB' = 0 + [- 3 - (- 2)] · sin 180° + (1 - 0) · cos 180°
yB' = - 1
xC' = Ox + (xC - Ox) · cos θ - (yC - Oy) · sin θ
xC' = - 2 + [- 3.5 - (- 2)] · cos 180° - (4 - 0) · sin 180°
xC' = - 0.5
yC' = Oy + (xC - Ox) · sin θ + (yC - Oy) · cos θ
yC' = 0 + [- 3.5 - (- 2)] · sin 180° + (4 - 0) · cos 180°
yC' = - 4
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Ben went to buy some brushes and oaints to finish a project.he bought 25 brushes and paints in total.if each brush cost IDR 1.500 , each paint IDR 800 and the total pruchase cost was IDR 27.000. how many brushes and paints did he buy
The number of brushes and number of paint bought by Ben are 7 and 18 respectively.
What is an equation system, and how can one be utilised to address issues?A group of equations that are concurrently solved to determine the values of the variables involved is referred to as a system of equations. A system of equations can have any number of variables and equations and can be either linear or nonlinear.
They could depict connections between various values, restrictions on resources or attributes, or optimization goals.
Let us suppose the number of brushes = b.
Let us suppose the number of paints = p.
Thus,
b + p = 25
1500b + 800p = 27000
Multiplying the first equation by 1500 and subtracting it from the second equation, we get:
800p - 1500b = -7500
p = (1500b + 7500) / 800
Substituting the value of p in first equation:
b + (1500b + 7500) / 800 = 25
Multiplying both sides by 800 and simplifying, we get:
2000b + 7500 = 20000
b = 6.25 = 7
Substitute the value of b in first equation:
7 + p = 25
p = 18
Hence, the number of brushes and number of paint bought by Ben are 7 and 18 respectively.
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)) The players on Matthew's soccer team each bring a water bottle with them to practice.
For a statistics project, Matthew asked each player how much water his bottle held. This box
plot shows the results.
12
Water bottle volume (oz.)
Submit
20
16
4) What fraction of the water bottles held at least 24 ounces?
24
28
32
Please help rn
The fraction of the water bottles that has at least 24 ounces is 1/4.
What fraction of the water bottles held at least 24 ounces?A box plot is a graph that is used to show the distribution and level of a set of scores. The scores are distributed into 4 groups. Each group has a value of 25%
24 represents the third quartile of the dataset. The third quartile represents 75% of the dataset. A third quartile value of 24 means that at most 3/4 (75%) of the dataset has a value that is at most 24 and 1/4 or 25% of the dataset has a value that is at least 24.
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The temperature of a person has a normal distribution. What is the probability that the temperature of a randomly selected person will be within 2.42 standard deviations of its mean? Provide answer with 4 or more decimal places.
Answer:
Step-by-step explanation:
If the temperature of a person follows a normal distribution, we know that approximately 95% of the observations fall within 2 standard deviations of the mean. Since we are given that we want to find the probability of the temperature being within 2.42 standard deviations of its mean, we can use the standard normal distribution and the z-score formula.
The z-score formula is given by:
z = (x - μ) / σ
where x is the observed value, μ is the mean, and σ is the standard deviation. In this case, we want to find the probability that the temperature is within 2.42 standard deviations of the mean, so we can set:
z = 2.42
Since the normal distribution is symmetric, we can find the area to the right of the mean (z = 0) and double it to get the total probability. Using a standard normal distribution table or calculator, we find that the area to the right of z = 2.42 is approximately 0.0074. So the area to the left of z = 2.42 is approximately 0.9926.
Doubling this area gives us the total probability:
P(z < 2.42 or z > -2.42) = 2 * P(z < 2.42) = 2 * 0.9926 = 0.9852
Therefore, the probability that the temperature of a randomly selected person will be within 2.42 standard deviations of its mean is 0.9852, or approximately 0.9852 with four decimal places.
You participate in a 5K competitive race. Which Z-score would you prefer to have compared to your competitors for the time it took you to complete the race?
The z-scοre is prefer tο have cοmpared tο yοur cοmpetitοrs fοr the time it tοοk yοu tο cοmplete the race is -2.50.
What is z-scοre?When a value is given a Z-scοre, it shοws hοw far οff frοm the standard deviatiοn it is. The amοunt οf standard deviatiοns a given data pοint is abοve οr belοw the mean is represented by the Z-scοre, alsο knοwn as the standard scοre. The level οf variability within a particular data cοllectiοn is effectively reflected in the standard deviatiοn.
We knοw that ,
=> z=(x-µ)/σ
If we have z scοre less it means we cοmplete the race in less time as cοmpare tο οthers.
Sο, z scοre -2.50 is least as per given all the οptiοns. sο ,we wοuld yοu prefer -2.50 cοmpared tο οur cοmpetitοrs fοr the time it tοοk yοu tο cοmplete the race.
Hence the z-scοre is -2.50.
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whats the answer please
Therefore, y = 7x + 2/5, 7x + 5 = y, and y = 7x + 4 are the equations that depict a line parallel to y = 7x + 3.
what is equation ?A mathematical statement known as an equation demonstrates the equality of two expressions or values by separating them with an equal symbol. The values on either side of the equal symbol in an equation are equal and can be used to find the value of an unknown variable. For instance, the equation "2x + 3 = 7" states that "2x + 3" equals the number "7".
given
Since parallel lines have identical slopes, the equation of a line that is perpendicular to y = 7x + 3 will have the same slope as 7.
Any equation of the form y = 7x + b, where b is a constant, will therefore indicate a line parallel to y = 7x + 3.
y = 3x + 7: This line's slope, 3, is less than 7, so it is not parallel to the line y = 7x Plus 3.
y = 7x + 2/5: This line is parallel to y = 7x + 3 because it has the same slope as that equation.
7x + 5 = y: This equation is parallel to y = 7x + 3 because y = 7x + 5 has the same slope as it.
y = 7 + 3x is not parallel to y = 7x + 3 because it has the same slope as the solution y = 3x + 7, which does not equal 7.
Therefore, y = 7x + 2/5, 7x + 5 = y, and y = 7x + 4 are the equations that depict a line parallel to y = 7x + 3.
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The complete question is:- Choose all the equations below that represent a line parallel to
y=7x+3
y=3x+7 y=7x+2/5
7x+5=y
y=2x+3
y=4+7x y=3-7x
y+7x=3 y=7+3x
I want to know what the answer to my equation is
At 4.0 megabits per second, Able Cable provides the fastest average downloading speed.
To find out which company offers the fastest mean downloading speed, we need to calculate the mean download speed for each provider and then compare the results.
The mean download speed for CityNet is:
(3.6 + 3.7 + 3.7 + 3.6 + 3.9) / 5 = 3.7 megabits per second
The mean download speed for Able Cable is:
(3.9 + 3.9 + 4.1 + 4.0 + 4.1) / 5 = 4.0 megabits per second
The mean download speed for Tel-N-Net is:
(3.9 + 3.7 + 4.0 + 3.6 + 3.8) / 5 = 3.8 megabits per second
Therefore, Able Cable offers the fastest mean downloading speed at 4.0 megabits per second.
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349 ×10 to the 5th power =
Answer:
34,900,000
Step-by-step explanation:
349 × [tex]10^{5}[/tex]
[tex]10^{5}[/tex] = 100,000
349 x 100000 = 34,900,000
So, the answer is 34,900,000
find the volume of each sphere in terms of π with a radius that equals 3ft
Answer:
36π
Step-by-step explanation:
To find the volume of the sphere we have to use the equation: [tex]\frac{4}{3}[/tex]πr³
To work our answer out we have to distribute the values we are given into the question...
[tex]\frac{4}{3}[/tex] × 3³We can ignore π for now as we will add it at the end
Now we have to solve what we are given...
[tex]\frac{4}{3}[/tex] × 3³3³ = 27[tex]\frac{4}{3}[/tex] × 27 = 36Now we can put π into our answer...
36πHope this helps, have a lovely day! :)
Which trinomials are prime?
Choose all answers that are correct.
x² + 4x-21
x²-5x-2
x² + 3x + 7
x²-x-1
Answer:
Step-by-step explanation:
x² + 4x-21
x²-5x-2
x² + 3x + 7
x² + 4x-21
x²-5x-2
x² + 3x + 7
x²-x-1
x²-x-1
the foot m and n of two vertical poles MT and NK are in line with a point D on the same horizontal level ground.Mt and NK are 8cm and 12cm respectively, M lies between D and N is 30m from d.the angle of elevation of k from t is 40: calculate 1.distance KT,2.distance dn correct to two significant figures 3.angles of elevation of k from d correct to two decimal places
The distance KT and angle of elevation of the pole's top, K, with respect to the ground, D, are;
KT is about 6.2 cm
DN = 30 m
The angle of elevation of K from D is 0.23°
What is an angle of elevation?The angle created between a horizontal line and the line of sight of a viewer gazing up at an object is known as the angle of elevation.
The two vertical poles are MT and NK
The height of MT = 8 cm
The height of NK = 12 cm
From the top of the pole MT, point T, to the top of the pole NK, point K, there is a 40-degree elevation difference.
The poles' height differences are 12 cm - 8 cm, or 4 cm.
The distance KT can be found as follows;
Therefore;
sin(40°) = 4/KT
KT = 4/(sin(40°)) ≈ 6.2
The distance KT is approximately 6.2 cm
According to the information in the question, the distance is DN = 30 m.
The base of the poles MT and NK is on the same level ground as point D.
ND=30m
Hence, the trigonometric ratio for tangent may be used to get the angle of elevation,, of the top of the pole NK, (point K), from D as follows;
tan(θ) = NK/ND
tan(θ) = (12 cm)/(30 m) = 0.12/30 = 0.004
θ = arctan(0.004) ≈ 0.23°
K is elevated from d at an angle of roughly 0.23°.
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17. A consumer survey in Econoland shows people consume pizza, soda, and cookies. The consumer spending is
listed below for the years 2019 and 2020. The base year is 2019.
Item
Pizza
Soda
Cookies
2019 Quantities
100
50
200
2019 Prices
$10.00
$3.00
$2.00
2020 Quantities
150
100
250
2020 Prices
$15.00
$3.25
$2.50
A. What and how much is in the market basket?
B. What did the market basket cost in 2019?
C. What did the market basket cost in 2020?
D. What was the inflation rate between 2019 and 2020?
Respond to each of the following using the data provided. Show all caculations where appropriate.
a. The market basket fοr 2020 is: $3200
b. The market basket cοst $1,550.00 in 2019.
c. The market basket cοst $3,200.50 in 2020.
d.The inflatiοn rate between 2019 and 2020 is 106.45%.
Hοw can we calculate inflatiοn?Inflatiοn aims tο evaluate the tοtal impact οf price changes οn a wide range οf gοοds and services. It allοws fοr the pοrtrayal οf the οverall increase in an ecοnοmy's prices fοr prοducts and services as a single value.
A. Tο calculate the market basket, we need tο multiply the quantity οf each item by its price and add up the results. Using the quantities and prices given, the market basket fοr 2019 is:
(100 pizzas × $10.00/pizza) + (50 sοdas × $3.00/sοda) + (200 cοοkies × $2.00/cοοkie)
= $1000 + $150 + $400
= $1550
Similarly, the market basket fοr 2020 is:
(150 pizzas × $15.00/pizza) + (100 sοdas × $3.25/sοda) + (250 cοοkies × $2.50/cοοkie)
= $2250 + $325 + $625
= $3200
B. Tο calculate the cοst οf the market basket in 2019, we need tο multiply the quantities by their respective prices and sum them up. The cοst in 2019 is:
(100 x $10.00) + (50 x $3.00) + (200 x $2.00) = $1,550.00
Therefοre, the market basket cοst $1,550.00 in 2019.
C. Tο calculate the cοst οf the market basket in 2020, we use the same methοd. The cοst in 2020 is:
(150 x $15.00) + (100 x $3.25) + (250 x $2.50) = $3,200.50
Therefοre, the market basket cοst $3,200.50 in 2020.
D. Tο calculate the inflatiοn rate between 2019 and 2020, we use the fοllοwing fοrmula:
Inflatiοn rate = ((Cοst in year 2 - Cοst in year 1) / Cοst in year 1) x 100%
Plugging in the values, we get:
Inflatiοn rate = (($3,200 - $1,550) / $1,550) x 100%
= 106.45%
Therefοre, the inflatiοn rate between 2019 and 2020 is 106.45%.
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An interior angle of a regular polygon measures 140 degrees how many sides does the polygon have
One of the requirements for becoming an associate scientist in a certain lab is the ability to accurately process 100 specimen slides per hour. Ibragim can currently process 65 slides per hour and believes that with practice he can increase his processing speed by 2 slides per hour each week. Which of the following represents the number of slides per hour that Ibragim believes he will be able to process w weeks from now?
The number of slides per hour that Ibragim believes he will be able to process w weeks from now is represented by the following calculation: 65 + 2w.
What is number?Number is an abstract concept used to describe a quantity or amount. It can refer to a countable quantity of objects, or it can refer to an abstract concept such as size, direction, or position. In mathematics, number is used as a way of measuring and describing a quantity or amount. It is used to represent quantities in equations and formulas, to compare quantities, and to measure and compare distances. Number is also used to represent relationships between different objects, such as in geometry where angles, lines, and points are all represented by numbers.
This equation shows that Ibragim's slides per hour processing speed will increase by 2 for each week that passes. For example, if Ibragim practises for 4 weeks, his slides per hour processing speed will have increased from 65 to 73. This is because 65 + (2 x 4) = 73. Therefore, if Ibragim practises for w weeks, then the number of slides per hour he believes he will be able to process will be 65 + 2w.
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The expression 65 + 2w represents the number of slides per hour that Ibragim believes he will be able to process w weeks from now. This expression can be used to calculate the number of slides per hour that Ibragim believes he will be able to process after any number of weeks of practice.
What is number?Number is an abstract concept used to describe a quantity or amount. It can refer to a countable quantity of objects, or it can refer to an abstract concept such as size, direction, or position. In mathematics, number is used as a way of measuring and describing a quantity or amount. It is used to represent quantities in equations and formulas, to compare quantities, and to measure and compare distances. Number is also used to represent relationships between different objects, such as in geometry where angles, lines, and points are all represented by numbers.
The number of slides per hour that Ibragim believes he will be able to process w weeks from now is given by the expression 65 + 2w. In this expression, 65 represents the number of slides per hour that Ibragim can currently process, and 2w represents the number of slides per hour that Ibragim believes he can increase his processing speed by each week.
For example, if Ibragim believes he will be able to process slides at a rate of 100 per hour after 6 weeks of practice, then the expression would be 65 + 2(6) = 77. This means that Ibragim believes he will be able to process 77 slides per hour after 6 weeks of practice. In general, if w represents the number of weeks of practice, then the expression 65 + 2w represents the number of slides per hour that Ibragim believes he will be able to process w weeks from now.
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Complete questions as follows-
Find the equation of the graphed line.
Answer:
A
Step-by-step explanation:
Using Formulas
Ava's minimum payment is 2.5% of her new balance. What is her minimum
payment if her new balance is $760.00?
S
Asher is interviewing for a job as an elementary school teaching assistant. The interviewer notices that he is very friendly, kind, and calm. In terms of context, what might the interviewer think about Asher?
a
Asher comes off as though he is hiding something.
b
Asher has personality traits that are a great fit for this type of job.
c
Asher should be hired as a principal instead of a teaching assistant.
d
Asher would be a better fit as a maintenance worker at the school.
Question 9 Explain work
The condition that proves congruent of two given triangles ΔDEF ∼ ΔJKL would be option (a) DE : JK = 3:1 but ratio value in option is given wrong.
What is the congruent triangle?In this case triangle in congruent when two sides and one angle of first triangle is equal to two sides and one angle of second triangle.
we have given proof two triangles congruent by the postulate of SAS.
Since two corresponding sides of these triangles are congruent and one angle is also congruent. So to prove both the triangles congruent.
∠EDF ≅ ∠KJL will complete the SAS property to prove both the triangles are congruent.
DE : JK
= 21 : 7
= 3 : 1
So, DE: JK = 3:1 is answer.
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A triangular prism is 32 centimeters long and has a triangular face with a base of 30 centimeters and a height of 20 centimeters. The other two sides of the triangle are each 25 centimeters. What is the surface area of the triangular prism?
The surface area of the triangular prism is 1880 square centimeters.
How did we get the value?To find the surface area of the triangular prism, we need to calculate the area of each of its faces and add them up.
First, let's calculate the area of the triangular base. The formula for the area of a triangle is:
Area = (base x height) / 2
Substituting the given values, we get:
Area = (30 x 20) / 2 = 300 cm²
Since the triangular prism has two identical triangular faces, the total area of the two triangular faces is:
2 x 300 cm² = 600 cm²
Now, let's calculate the area of the rectangular faces. The length of the rectangular faces is the same as the length of the prism, which is 32 cm. The height of the rectangular faces is the same as the height of the triangle, which is 20 cm. The formula for the area of a rectangle is:
Area = length x height
Substituting the given values, we get:
Area = 32 x 20 = 640 cm²
Since the triangular prism has two identical rectangular faces, the total area of the two rectangular faces is:
2 x 640 cm² = 1280 cm²
Finally, to find the total surface area of the triangular prism, we add the areas of the two triangular faces and the two rectangular faces:
600 cm² + 1280 cm² = 1880 cm²
Therefore, the surface area of the triangular prism is 1880 square centimeters.
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