Answer:
5 millimeters
Step-by-step explanation:
15 = 3x
5 = x
Please help im on a time limit and i need to turn this in asap!!
Questuon:Susan works for the school newspaper and wants to conduct a survey to ask students whom they will vote for in the upcoming School elections which sample should she choose to best represent the entire population ?
They will vote for in the upcoming School actions maybe they have to choose example should to best represent the entire population is they have to ask to every tenth student in the cafeteria.
Every Nth name from the list of target population members is chosen in systematic sampling. For instance, every tenth member on the list will be included in the sample. Thus, the 10th, 20th, 30th, and so forth will be chosen to make up the sample group.
According to this, they must consult a student in the tenth grade because he is the most knowledgeable about school and has the most experience of anybody.
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assume we are playing a game. you will roll an unfair dice with the following probability p = {1 : 0.1, 2 : 0.3, 3 : 0.1, 4 : 0.2, 5 : 0.1, 6 : 0.2}. (i.e. p(x = 2) = 0.3). the reward depends on whether the rolled dice shows an even number or an odd number. if you roll an even number you will win 100$ and if you roll an odd number you will lose 200$ (i.e. you win -200$). what is the expected reward amount (the expected value may be negative)?
The expected reward amount is -10$.
Expected Reward Amount
The product of the likelihood of each occurrence and the related reward results in the anticipated reward amount, which is equal to the expected reward value.
According to the question
We must multiply the odds of rolling an even number by the payout for rolling an even number, the odds of rolling an odd number by the payout for rolling an odd number, and then sum the results to determine the expected payoff.
P(odd) = P(1) + P(3) + P(5) = 0.1 + 0.1 + 0.1 = 0.3
P(Even) = P(2) + P(4) + P(6) = 0.3 + 0.2 + 0.2
The expected reward is calculated as follows:
(p(even) * 100 + (p(odd) * 200)) = (0.7 * 100 + (0.3 * 200)) = 70 - 60 = -10
As a result, the predicted reward is -10$.
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Drag each object to show whether cost is proportional to area in the situation represented.
The image has been dragged to show where cost is proportional to area and attached
When is a linear function proportional?Equation y = kx can be used to define proportional functions, which are linear functions that include the origin.
While all proportional functions are linear, not all linear functions are proportional functions.
From the table the equation s calculated to be y = kx
where k = 1.25
for x = 400, y = 1.25 * 400 = 500
for x = 500, y = 1.25 * 500 = 750 and so on
this is a proportional function
For asphalt sealant the labor fee added made the function not to be a proportional function
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The table represents a proportional relationship. Write an equation to represent the relationship.
For the table of values gives, the equation of line is obtained as y = 1/3x.
What is an equation?
A mathematical definition of an equation is a claim that two expressions are equal when they are joined by the equals sign ("=").
The coordinate points for cups of flour, x and loaves of bread y is given in the table.
The slope-intercept form of an equation is - y = mx + b
To find the slope m use the formula -
(y2 - y1)/(x2 - x1)
Substituting the values in the equation -
(3 - 2)/(9 - 6)
1/3
So, the slope point is obtained as m = 1/3.
The equation becomes - y =1/3 x + b
To find the value of b substitute the values of x and y in the equation -
2 = 1/3(6) + b
2 = 2 + b
b = 2 - 2
b = 0
So, the value for b is 0.
Now, the equation becomes -
y = 1/3x + 0
y = 1/3x
The graph is plotted for the equation.
Therefore, the equation is y = 1/3x.
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Brianna has a points card for a movie theater.
She receives 55 rewards points just for signing up.
She earns 14. 5 points for each visit to the movie theater.
She needs at least 235 points for a free movie ticket.
Which inequality can be used to determine v, the minimum number of visits Brianna needs to earn her first free movie ticket?
The inequality 14.5v ≥ 235 can be used to determine the minimum number of visits Brianna needs to earn her first free movie ticket.
The inequality 14.5v ≥ 235 can be used to determine the minimum number of visits Brianna needs to earn her first free movie ticket.14.5v ≥ 235
To figure out how many visits Brianna needs to earn her first free movie ticket, we can set up an inequality. We'll set the left side of the equation equal to the total points needed for a free movie ticket (235 points). We'll set the right side of the equation equal to the points earned per visit (14.5 points) multiplied by the number of visits (v).
14.5v ≥ 235
The inequality 14.5v ≥ 235 can be used to determine the minimum number of visits Brianna needs to earn her first free movie ticket.
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Adam buys a bag of dog food with a weight of 7/8 pound and a bag of cat food with a weight of 1 whole 3/4 pounds. Estimate the total weight of the pet food he buys with benchmark fractions
Answer:
To estimate the total weight of the pet food Adam buys, we can use benchmark fractions to compare the weight of the dog food (7/8 pound) and the weight of the cat food (1 3/4 pounds) to a benchmark fraction that we are familiar with.
We know that 1 whole pound is equal to 16 ounces. So, we can use this as a benchmark to estimate the weight of the dog food and cat food.
First, we'll convert 7/8 pound to ounces. 7/8 pound is equal to 7/8 * 16 = 14 ounces
Next, we'll convert 1 3/4 pound to ounces. 1 3/4 pound is equal to 1 * 16 + 3/4 * 16 = 16 + 12 = 28 ounces.
Now we can add the weight of the dog food and the cat food to get the total weight of the pet food Adam buys.
14 ounces + 28 ounces = 42 ounces
So, the total weight of the pet food Adam buys is approximately 42 ounces, which is roughly 2.6 pounds.
The estimate was made with benchmark fractions, which allows us to make a rough estimation of the weight of the pet food, but it's not as precise as the exact weight in pound or ounces.
Two neon signs are turned on at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. The other sign blinks every 15 seconds. In how many seconds will they blink together again? please use prime factorization tree
After 45 seconds they blink together again.
What is Least Common Multiple?Least Common Multiple is a mathematical term. The smallest number that is a multiple of both of two numbers is called the least common multiple.
For example, L.C.M of 16 and 20 will be 2 x 2 x 2 x 2 x 5 = 80, where 80 is the smallest common multiple for numbers 16 and 20.
Given:
One sign blinks every 9 seconds. The other sign blinks every 15 seconds.
Now, to find they blink together again we have to find the LCM of 9 and 15.
For 9 the lights will blink at seconds: 0, 9, 18, 27, 36, 45, 54, 63,
and, For 15 the lights will blink at seconds: 0, 15, 30, 45, 60, 75
Hence, they blink together at 45 seconds.
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The amount a tree grows in one month is directly proportional to the amount of water it is given When the tree is given 23 gallons of water, it grows 4 cm that month. What is the constant of proportionality for this variation? Round your answer to the nearest thousandth
The constant of proportionality for this variation is 0.174cm/gallon .
Every relationship that always maintains the same ratio is referred to be proportionality. For instance, the average amount of apples per tree determines the proportionality between both the quantity of apples in a crop and the number of trees in the orchard.
Let the amount a tree grows in one month be - x
The amount of water given be - y
If the amount a tree grows in one month is directly proportional to the amount of water given, then
x ∝ y
x = ky
k is defined as the constant of proportionality
k = [tex]\frac{x}{y}[/tex]
Given
x = 4cm
y = 23 gallons
k = [tex]\frac{4}{23}[/tex]
k = 0.174cm/gallon
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The histograms display the frequency of temperatures in two different locations in a 30-day period.
A graph with the x-axis labeled Temperature in Degrees, with intervals 60 to 69, 70 to 79, 80 to 89, 90 to 99, 100 to 109, 110 to 119. The y-axis is labeled Frequency and begins at 0 with tick marks every one unit up to 16. A shaded bar stops at 2 above 60 to 69, at 4 above 70 to 79, at 12 above 80 to 89, at 6 above 90 to 99, at 4 above 100 to 109, and at 2 above 110 to 119. The graph is titled Temps in Desert Landing.
A graph with the x-axis labeled Temperature in Degrees, with intervals 60 to 69, 70 to 79, 80 to 89, 90 to 99, 100 to 109, 110 to 119. The y-axis is labeled Frequency and begins at 0 with tick marks every one unit up to 16. A shaded bar stops at 2 above 60 to 69, at 4 above 70 to 79, at 9 above 80 to 89, at 9 above 90 to 99, at 4 above 100 to 109, and at 2 above 110 to 119. The graph is titled Temps in Flower Town.
When comparing the data, which measure of variability should be used for both sets of data to determine the location with the most consistent temperature?
IQR, because Desert Landing is skewed
IQR, because Desert Landing is symmetric
Range, because Flower Town is skewed
Range, because Flower Town is symmetric
Range provides a precise measurement of variability for both sets of data because it compares the greatest and lowest values in a dataset.
It is a helpful measure of variability for comparing the constancy of temperature between Desert Landing and Flower Town because it is unaffected by skewness or symmetry.
The histogram is what?A histogram is a graph that shows how a dataset is distributed. In a dataset, it is a way to show the frequency of various values or ranges of values.
In a histogram, the y-axis normally indicates the frequency or count of the values, and the x-axis typically shows the values or ranges of values.
Each bin in the data is represented by a bar whose height is equal to the number of observations in that bin. The data is divided into bins. The distribution of data is visualized using histograms, which are also used to spot anomalies and spot patterns or trends in the data.
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A blender has blades as shown.
A rotation of the 270º will map the blade formed by triangle CBD onto the blade formed by triangle EDF.
How to obtain the counter clockwise rotation?The rotations are defined as clockwise or counterclockwise as follows:
Clockwise: from right to left.Counterclockwise: from left to right.The entire circumference formed by the image has an angle measure given as follows:
360º.
Triangle EDF is 3/4 of the circumference away from triangle CBD, hence the angle measure of the counterclockwise rotation is given as follows:
3/4 x 360º = 0.75 x 360º = 270º.
Which is the angle measure used to complete the blank in this problem.
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take away 7 from 4 times x
Answer:
4x-7
thats your answer
Step-by-step explanation:
:))))
I need 2 and example 3 please help I am desperate
the measure of ∠ABE is 47°.
What is congruent of the triangle?
The shapes maintain their equality regardless of how they are turned, flipped, or rotated before being cut out and stacked. We'll see that they'll be placed entirely on top of one another and will superimpose one another. Due to their identical radius and ability to be positioned directly on top of one another, the following circles are considered to be congruent.
Any two figures can be perfectly positioned over one another to demonstrate their congruence. The relationship between two figures that are said to be congruent is described using the word "congruence."
ΔABE and ΔCEB both are congrurent trinalge.
∠ABE =∠ CEB
The ∠ CEB+ ∠CBE = 90
∠ CEB = 90-43 = 47
As ∠ABE =∠ CEB =47°
So the measure of ∠ABE is 47°.
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8. A cylindrical basket has a volume of 15 cubic feet. If the height of the basket is 1.5 feet, what is the area of the base of the basket?
The Area of the base of the basket is 10 ft².
What is volume and area of the cylinder? Volume and area are two different measures of a cylinder. Volume measures the amount of space an object occupies, while area measures the two-dimensional surface of an object. The volume of a cylinder is equal to the area of its base multiplied by its height. The area of a cylinder is equal to the circumference of its base multiplied by its height.To find the volume of a cylinder, multiply the area of its base by its height. The area of the base can be calculated by multiplying pi (3.14) by the radius of the base squared. The circumference of the base can be calculated by multiplying pi (3.14) by the diameter of the base. The height of the cylinder is simply the distance between the two bases. Once the area of the base and the height of the cylinder are known, the volume of the cylinder can be calculated by multiplying the area of the base by the height.The area of the cylinder can be calculated by multiplying the circumference of the base by the height.Given,
Volume of basket = 15 cubic feet
h = 1.5 ft
V = πr²h
15 = πr² (1.5)
πr² = 15/1.5
πr² = 10 ft²
Area of base of the basket = 10 ft²
(or)
15 = πr² (1.5)
r = √15/π(1.5)
Simplifying the values, we can get radius of basket = 1.78
Then, area of base of basket = πr²
Substituting the values of π = 3.14 and r = 1.78 in above formula, we get,
Area of base of the basket ≈ 9.95 ft²
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A cylinder can be measured in two separate ways: volume and area. As area gauges an object's two-dimensional surface, volume gauges how much space an object takes up.
What area of the base of the basket?If the cylinder's height and base area are known, the cylinder's volume may be determined by multiplying the base area by the cylinder's height. By dividing the base's circumference by its height, one may get the cylinder's area.
Given,
Volume of basket = 15 cubic feet
h = 1.5 ft
V = πr²h
15 = πr² (1.5)
πr² = 15/1.5
πr² = 10 ft²
Area of base of the basket = 10 ft²
(or)
15 = πr² (1.5)
r = √15/π(1.5)
We may obtain radius of basket = 1.78 by simplifying the numbers.
Then, area of base of basket = πr²
By replacing the values of 3.14 and 1.78 in the formula above, we obtain,
Area of base of the basket ≈ 9.95 ft²
Therefore, The Area of the base of the basket is 10 ft².
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Determine the values of m in the equation m2 = 36.
m = 18
m = 6
m = ±18
m = ±6
the values of m in the equation m^2 = 36 , is m= ±6.
What is Square root?A square root of a number is a value that, when multiplied by itself, gives the number. In mathematics, a square root of a number x is a number y such that y² = x; in other words, a number y whose square is x.
here, we have,
given that,
the equation m^2 = 36.
taking root on both side, we get,
m= ±6.
Hence, the values of m in the equation m^2 = 36 , is m= ±6.
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a fair six-sided die is tossed 300 times. find the expected value of the sample mean of the values obtained in these 300 tosses (write it up to first decimal place).
The expected value of the sample mean of the values obtained in these 300 tosses is 3.5
300 fair throws of a six-sided die are made.
The expected value of the sample mean of the results acquired from these 300 tosses must be determined.
Six sides make up a dice:
Every side of a fair dice has an equal chance of happening.
Now, each side's likelihood of being present is 1/6.
Now, the sample mean of the values collected in these 300 tosses is predicted to be equal to:
E(x) = Σx P(x =x)
= 1*1/6 + 2*1/6 + 3*1/6 + 4*1/6 + 5*1/6 + 6*1/6
= 1/6 + 2/6 + 3/6 + 4/6 + 5/6 + 6/6
= 1/6 (1+2+3+4+5+6)
= 1/6 (21)
= 21/6
E(x) = 3.5
Hence, the expected value of the sample mean of the values obtained in these 300 tosses is 3.5
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Neely has $1. 73 in coins. He gives his friend 1 quarter and 3 nickel
What is the value of the coins he has left?
If Neely has $1.73 in coins and he gives his friend 1 quarter and 3 nickel , then the value of coins he has left is $1.65 .
the value of number of coins Neely has is = $1.73 ;
he gives his friend "1 quarter" , and the value of 1 quarter in dollar is = $0.25
the amount left with Neely is = $1.73 - $0.25 = $1.48 ;
next he gave his friend "3 nickels" , and value of 3 nickels in dollars in $0.15 ;
So , the amount left with Neely is - $1.48 - $0.15 = $1.65 .
Therefore , the Neely is left with $1.65 value of coins .
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michael has a drawer with 8 pairs of black socks and 12 pairs of white socks. without looking he takes a white pair of socks out of the drawer. what is the probability that the next pair he takes out is white?
The Probability that the next pair Michael takes out is black = 8 / 19
What is Probability?
Probability is deals with "occurrence of Random event. The value is expressed from 0 to 1".
According to the question,
Total number of pairs of socks = 8 + 12 =20
Probability of taking pairs of black socks, P(B )= 8 / 20
Probability of taking pairs of white socks, P(W) = 12 / 20
But after taking Black pair socks the total number socks = 19.
Hence, the Probability of taking Black pair socks from drawer is 8 / 19 .
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Noah and Lin are making paper cones to hold popcorn to hand out at a parent math night. They want the cones to hold 9π cubic inches of popcorn. What are two different possible values for height h and radius r for the cones?
The two different possible values for height h and radius r for the cones are height = 3 inches when radius = 3 inches and height = 4.5 inches when radius = 2 inches.
The volume of a cone is given by the formula [tex]V = (1/3)\pi r^2 h[/tex].
We can use this formula to find the values of h and r that will give us a cone with a volume of 9π cubic inches.
We have a volume of the cone -
(1/3)π[tex]r^2[/tex]h = 9π
solving for h, we get,
h = (3/[tex]r^2[/tex]) * 9
Now we have a formula for h in terms of r. We can substitute different values for r and see what values of h we get. Let's consider two possibilities:
case 1: r = 3 inches:h = (3/[tex]3^2[/tex]) * 9 = 3 inches
case 2: r = 2 inches:h = (3/[tex]2^2[/tex]) * 9 = 4.5 inches
So, one possible cone has a height of 3 inches and a radius of 3 inches, and another possible cone has a height of 4.5 inches and a radius of 2 inches.
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if it takes 8 seconds for a ball to roll 24 meters downhill, what is the average speed of the ball?
The average speed of the ball which travelled 24 meters in 8 seconds is 3m/s.
What is the average speed of the ball?Speed is simply referred to as distance traveled per unit time.
Mathematically, Speed = Distance ÷ time.
Given the data in the question;
Distance travelled by the ball = 24 metersElapsed time = 8 secondsSpeed of the ball = ?To determine the average speed of the ball, plug the given values into the above equation and simplify.
Speed = Distance / time
Speed = 24 meters / 8 seconds
Speed = 3m/s
Therefore, the speed is 3 meters per seconds.
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15% of the contents of a 454 gram can of dog food is protein. How many grams of protein are in the can?
Answer:
68.1 grams
Step-by-step explanation:
454 × .15 = 68.1
A cone has a diameter of
36 meters and a slant height of
24 meters. What is the height of the cone to the nearest tenth?
The height of the cone is about 15.9 meters.
The hypotenuse of the right triangle, which also contains the cone height as one of its legs, is formed by the radius (18 m) and slant height. You may find out the height (h) using the Pythagorean theorem.
The Pythagorean Theorem states that the squares on the hypotenuse (the side across from the right angle) of a right triangle, or, in standard algebraic notation, a2 + b2, are equal to the squares on the legs.
So,
18² + h² = 24²
h = √(576 -324) = √252
h ≈ 15.9 . . . . . meters
The height of the cone is about 15.9 meters.
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So I’ve answered everything but perimeter can someone please figure that out for me?
The area of rectangle WXYZ is 115. 5 in. ² what is the perimeter of triangle XYZ

The perimeter of triangle XYZ is 38.95 inches
Consider the following figure.
The area of rectangle WXYZ is 115. 5 in.²
From given figure we can observe that PQ = 4 in.
So, XW = YZ = 2 × PQ
XW = YZ = 2 × 4
XW = YZ = 8 inches
This means, the width of rectangle WXYZ is 8 inches
We know that the area of the reactngle is given by the formula,
A = length × width
here, A = 115.5 in.² and width = 8 in.
115.5 = length × 8
length = 115.5 / 8
length = 14.44 in.
So, XY = WZ = 14.44 in.
For right triangle XYZ using Pythagoras theorem,
XZ² = XY² + YZ²
XZ² = 14.44² + 8²
XZ² = XY² + YZ²
XZ² = 272.51
XZ = 16.51 in.
So, the perimeter of triangle XYZ would be,
P = XY + YZ + XZ
P = 14.44 + 8 + 16.51
P = 38.95 inches
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Dean's savings account started with $100. After one year, it had $110. The
second year, it had $121. The third year it had $133.10.
Is a single linear model a reasonable option for this data? Yes or No?
The statement that answers the linear model possibility is NO
How to determine the true statementFrom the question, we have the following parameters that can be used in our computation:
Initial = 100
Year 1 = 110
year 2 = 121
year 3 = 133.10
The savings account balance is increasing at an inconsistently increasing rate, which is not linear.
The savings account starts with $100, and increases by $10 in the first year, by $11 in the second year, and by $12.10 in the third year.
This is an example of exponential growth, which cannot be modeled by a single linear equation.
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Logan spent $275 for a tree for the front yard. He was charges 7% sales tax. How much money did he spend on the sales tax? How much did he spend in total?
Answer:294,25$
Step-by-step explanation:
you make 7% of 100 multiply by $275 and the price that gives you you make more $275 and that gives you your results
Please help me ASAP please please please
The two column proof to show that ABCD is a parallelogram is as shown below
How to complete two column proof?A two-column proof is defined as a geometric proof that consists of a list of statements, and the reasons that we know those statements are true.
Statement 1; BD bisects AC
Reason 1; Given
Statement 2; ∠BAC ≅ ∠DCA
Reason 2; Given
Statement 3; AB║ CD
Reason 3; Properties of parallelogram
Statement 4; ∠BEA ≅ ∠CED
Reason 4; Alternate Interior angles
Statement 5: AE ≅ EC
Reason 5: Diagonals of a parallelogram bisect each other
Statement 6: ΔABE ≅ ΔCDE
Reason 6: SAS Congruency postulate
Statement 7: BA ≅ DC
Reason 7: Properties of parallelogram
Statement 8: ABCD is a parallelogram
Reason 8: Corresponding parts of congruent triangles are congruent
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assuming the company's claim is true, what is the probability that the mean loss from fire is greater than 300
The probability that the mean loss from f-i-re is larger than $300 for an S-R-S of 1000 home owners is 0.3085.
This problem can be solved using the Central Limit Theorem, which states that the sampling distribution of the mean of any independent, random variable will be normal or nearly normal if the sample size is large enough (typically if n > 30).
Since the population is strongly right-skewed and the sample size is large (n = 1000), we can assume that the sampling distribution of the mean loss from fi-re will be approximately normal.
The mean of the sampling distribution is equal to the population mean, and a standard deviation equal to the population standard deviation divided by the square root of the sample size. In this case, we have:
Populatio mean (μ) = $250
Population standard deviation (σ) = $5000
Sample size (n) = 1000
Sample mean = $300
Probability of sample mean > $300 = ?
Now, standard deviation of sample mean = σ / sqrt(n) = $5000 / sqrt(1000) = $158.11
Now, we need to standardize the sample mean using the z-score formula:
z = (sample mean- population mean) / (σ / sqrt(n)) = (300 - 250) / 158.11 = 0.316
Using a standard normal distribution table or calculator, we can find the probability of a z-score greater than 0.316 to be approximately 0.3765 or about 37.65%.
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What is 2/3 x 9/16?
Answer:
.375 as a decimal
Step-by-step explanation:
a ship at position (1, 0) on a nautical chart (with north in the positive y direction) sights a rock at position (4, 5). what is the vector joining the ship to the rock?
The vector joining the ship to the rock is t= 5i+5 j
A vector is a quantity or phenomenon that has two independent properties: magnitude and direction, a quantity that has both magnitude and direction but not position.
The direction is 0.9505 radians east of north.
The position vector of the ship: r= 1i+0j
The position vector of the ship: s= 4i+5j
The vector joining the ship to the rock is: t=r+s
t=(1 i + 0 j) + (4i + 5 j)
t=5i+5j
Θ=π/2-arctan(5/7)
Θ=0.9505 radians
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How do you solve this problem?
Answer:
x = -1
Step-by-step explanation:
Since a triangle's angles all add up to 180 based on this formula: 180(n-2) (n being the # of sides of the shape you're solving for, and the total being the interior), we can set up this equation:
46 + (x+62) + 73 = 180
Now, we can solve for x:
x = 180-73-62-46
x = -1
Three lots with parallel side boundaries extend from the avenue to the boulevard find to the nearest tenth of a meter the fronteages of the lots
Three lots with parallel side boundaries extend from the avenue to the boulevard.
x + y + z = 140 meters
According to the proportion theorem,
Solving for x, using cross multiplication:
Similarly,
x/40 = z/35
solving for z by cross multiplication,
z = 35x/40
z = 7x/8
Now, the third proportions,
y/30 = z/35
Solving for y,
y = 30z/35
y = 6z/7
x + y + z = 140
4y/3 + 6z/7 + 7x/8 = 140
(224y + 144z + 147x)/168 = 140
224y + 144z + 147x = 23520
Substituting z = 7x/8,
224y + (144 × 7x/8) + 147x = 23520
224y + 126x + 147x = 23520
224y + 273x = 23520
Now,
Substitute y = 3x/4
(224×3x/4) + 273x = 23520
168x + 273x = 23520
441x = 23520
x = 53.33
Now,
We know that
y = 3x/4
so,
y = 40
And,
z = 7x/8
Z = 46.66
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https://brainly.com/question/16701300
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