The graph shows the number of appearances of hockey teams in the Stanley Cup Finals.

a. Write the ratio that compares the appearances made by the Rangers to the appearances made by the Canadiens in simplest form. Then explain its meaning​

Answer:

Third Option: It is not a good fit for the data. Most of the data points are above the line.

Step-by-step explanation:

First of all, if we graph the line y = 100x, we get the following data points:

0, 0

1, 100

2, 200

3, 300

4, 400

5, 500

6, 600

7, 700

8, 800

9, 900

10, 1000

11, 1100

12, 1200

Once we graph the following data points and draw a line connecting them in the scatter plot, we can check if the line is the best fit.

Then we get the answer.

No, the line y = 100x is not the line of best fit for the given scatter plot. The line of best fit is a straight line that is the best approximation of the given set of data. It is used to study the nature of the relation between two variables. A line of best fit can be roughly determined using an eyeball method by drawing a straight line on a scatter plot so that the number of points above the line and below the line is about equal (and the line passes through as many points as possible).

Look at the picture I attached.

Answer:the first one

Step-by-step explanation:

Answer:

60 local calls

Step-by-step explanation:

Total price minus the long-distance charges: 54.35 - 8.35 = $46.00

46 minus the fixed per month cost: 46-31 = $15

15 divided by the cost of each local call: 15/0.25 = 60 calls

Answer:

y=x+10

Step-by-step explanation:

Answer:

the last one

Step-by-step explanation:

hope this help

this is james

Step-by-step explanation:

integral from 0 to 2pi of cos3x

(sin3x)/3 from 0 to 2 pi

sin 6pi /3 - sin 0 /3 = 0

Answer:

The answer is 52

Step-by-step explanation:

This problem is perimeter so you add 11 plus 11 plus 15 plus 15 to get 52.

Answer:

Distance

Step-by-step explanation:

Distance is the absolute value of the difference between the two points.

The volume of a pyramid is 1/3 the volume of a prism with the same area and height.

Volume of the pyramid would be 18/3 = 6 in^3

Answer:

fdsfdgggfs

Step-by-step explanation:

Answer: When x=2 and z = 1, then the value of y =4.

Step-by-step explanation:

Given: y varies directly as x and z i.e. \(y\ \alpha \ xz\)

\(y=k(xz)\)      (i) , where k is the proportionality constant.

Put  Y=40 ,x =5 and z = 4, then we get

\(40=k(5\times4)\\\\\Rightarrow\ k=\dfrac{40}{20}\\\\\Rightarrow\ k=2\)

Required equation: \(y=2(xz)\)  [Put value of k in (i)]

Now put x=2 and z = 1, then we get

\(y=2(2\times1)=2(2)=4\\\\\Rightarrow\ y=4\)

Hence, when x=2 and z = 1, then the value of y =4.

To prove that two triangles are similar using the AA similarity theorem, you need to know that both triangles have two angles that are congruent.

The order of the angles doesn't matter, so you could have the corresponding angles of one triangle be the first and third angles, and the corresponding angles of the other triangle be the second and third angles. This is because if two angles of one triangle are congruent to two angles of another triangle, then the third angles must also be congruent, and the triangles are similar.

The AA similarity theorem states that if two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar. More specifically, the theorem states that if the measure of two angles in one triangle are equal to the measure of two angles in another triangle, then the two triangles are similar.

This means that the corresponding sides of the two triangles are proportional in length, which allows us to establish the relationship between their corresponding angles and sides, without measuring them directly. The AA similarity theorem is one of the ways to prove that two triangles are similar.

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B. 31

C. 0

Note that:

Whole numbers are positive integers (counting numbers) and zero

They are numbers from zero and above that are neither decimal nor fractions

The whole numbers among the options are 31 and 0

The common sum is 18 as "the numbers from 1 to 8 are placed at the vertices of a cube in such a manner that the sum of the four numbers on each face is the same".

A summation, also known as a sum, is the outcome of adding two or more numbers or quantities. There are always an even number of terms in a summation. There could be only two terms, or there could be one hundred, thousand, or a million. The outcome or conclusion we arrive at when we add two or more numbers is known as the SUM. Addends are the numbers that are added.

Here,

The sum of the numbers on one face of the cube is equal to the sum of the numbers on the opposite face of the cube; these 8 numbers represent all of the vertices of the cube.

=(1+2+3+4+5+6+7+8)/2

=18

Since "the numbers from 1 to 8 are placed at the vertices of a cube in such a manner that the sum of the four numbers on each face is the same," the common sum is 18.

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Answer:

(-1, 3)

Step-by-step explanation:

replace the occurrences of y in the equation

(x + y = 2) with x + 4

x + x + 4 = 2

2x + 4 = 2

solving for x in the first equation

2x = 2 - 4

2x = -2

2x/2 = -2/2

x = -1

replacing all occurrences of x in y = x + 4 with -1

y = (-1) + 4

y = 3

therefore the pairs are (-1, 3)

Hope it helps!

The value of a² + b² is 25.

Here, we have,

The equation of a circle with center at the origin is given by

x² + y² = r²,

where (x, y) represents any point on the circle

and r is the radius.

In this case, we are given that the radius of the circle is 5.

So the equation becomes:

a² + b² = 5²

Simplifying this equation, we have:

a² + b² = 25

so, we get,

Therefore, the value of a² + b² is 25.

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Answer:

3= 1/12

a number with the letter T= 1/3

odd number= 1/2

multiple of 4= 1/6

3 or 5= 1/6

13= 0

Answer:

p(3)=1/3

p(a number that starts with the letter T)=1/3

p(odd number)=1/2

p(multiple of 4)=1/4

p(3 or 5)=1/6

p(13)=0

With proper conclusion, we can say that the probability that Jones would get at least 20,000 additional miles out of the car is very low, almost negligible.

To find the probability that Jones would get at least 20,000 additional miles out of the car, we need to consider the distribution of the random variable.

In this case, the random variable represents the additional miles Jones would get out of the car, given that Smith claims it has been driven only 10,000 miles.
Given that the parameter is 20, we can assume that the random variable follows a Poisson distribution with parameter λ = 20.

The Poisson distribution is commonly used to model the number of events occurring in a fixed interval of time or space.

To find the probability that Jones would get at least 20,000 additional miles out of the car, we can use the cumulative distribution function (CDF) of the Poisson distribution. The CDF gives the probability that the random variable is less than or equal to a certain value. In this case, we want to find the probability that the random variable is greater than or equal to 20,000.

Using the Poisson CDF, we can calculate this probability. However, since the parameter is 20, the probability of getting at least 20,000 additional miles out of the car would be extremely low. It would be close to zero.

Therefore, with proper conclusion, we can say that the probability that Jones would get at least 20,000 additional miles out of the car is very low, almost negligible.

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Answer:

x=8,-2

Step-by-step explanation:

Add 10 to both sides.

{(x-3)}^{2}=15+10

2 Simplify 15+10+25

(x−3) ^2=25

3 Take the square root of both sides.

x-3=+or-√25

Answer:

28/36 or 7/9

Step-by-step explanation:

there are 36 possible answers

4 of them equal 5 (1+4, 2+3, 3+2, 4+1)

4 of them equal 9 (3+6, 4+5, 5+4, 6+3)

8-36 = 28

Answer:

150

Step-by-step explanation:

250 - 100

Answer:

Step-by-step explanation:

10x + 2 - 2x

group like terms

10x - 2x + 2

8x + 2

To calculate the covariance and correlation coefficient of U and V, we need to first find the expected value and variance of U and V.

The covariance of two variables is a gauge of their relationship. In other words, it is a measure of how much the values of two variables tend to fluctuate together. Positive covariance shows that the values of the two variables tend to rise or decrease together, whereas negative covariance indicates that the values of one variable tend to increase when the values of the other variable drop. In probability theory and statistics, covariance is frequently employed to determine the association between two variables. It is determined by multiplying the variances of the two variables from their respective means and dividing the result by the total number of observations. This metric can be helpful for seeing trends and patterns in data and aiding analysts in forecasting.

How to solve?

The expected value of U is $E[U] = E[2 - X_1 - 2X_2] = 2 - m - 2m = -2m. Similarly, the expected value of V is $E[V] = E[3 + 3X_2 - X_3] = 3 + 3m - m = 4m.

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To calculate the value of covariance and correlation coefficient of U and V, we have to find their expected value along with variance.

A measure of the link between two random variables and how much they fluctuate together is called covariance. Alternately, we may say that it establishes the relationship between the two variables' changes, i.e., that a change in one variable is equivalent to a change in the other.

When one variable changes, covariance shows the link between the other two variables. Both variables are said to have positive covariance if a rise in one causes an increase in the other. Reduced values of one variable also result in reduced values of the other.

for expected value of U ;

= $E[U]

= E[2 - X_1 - 2X_2]

= 2 - m - 2m = -2m.

Similarly, the expected value of V;

= $E[V]

= E[3 + 3X_2 - X_3]

= 3 + 3m - m

= 4m.

now we can easily calculate the covariance and correlation coefficient of U,V.

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Answer:

293 m

Step-by-step explanation:

Split the figure into 3 parts :

Perimeter of the left semicircle

Perimeter of the right semicircle

Perimeter of the rectangle

Distance around the race track

The final answer is "e > 10 and e < 7."

The statement that must always be false from the given options is "e > 10 and e < 7.

Statement1: e > 12 or f > 12

This statement is true when e is greater than 12 or f is greater than 12, or both. It is false when both e and f are less than or equal to 12.

Statement 2: e = 10 or e = 20

This statement is true when e is either 10 or 20. It is false when e is any number other than 10 or 20.

Statement 3: e > 12 and e < 15This statement is true when e is greater than 12 and less than 15.

It is false when e is less than or equal to 12 or greater than or equal to 15.

Statement 4: e > 10 and e < 7This statement cannot be true because e cannot be simultaneously greater than 10 and less than 7.

Therefore, this statement must always be false.

The final answer is "e > 10 and e < 7."

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The expression that must always be false is e > 12 and e < 15. If e > 12, then it cannot be less than 15, so this expression is contradictory.

Inequalities are mathematical statements that use symbols such as <, >, ≤, or ≥ to compare two values. Inequalities are used to describe relationships between numbers and variables, just like equations.

Inequalities do not require that the values on either side of the inequality be equal.

A logical contradiction is a statement or proposition that is self-contradictory. A statement is contradictory when it asserts that something is true and false at the same time, or that something cannot be true and false at the same time. A logical contradiction is impossible to be true, and therefore must always be false.

For instance, the expression "e > 12 and e < 15" is contradictory since if e is greater than 12, it cannot be less than 15. Therefore, the expression must always be false.

We can determine the expression that must always be false by analyzing each expression given. We will find the expression that contains contradictory values, which is impossible to be true. Here are the four expressions given:  e > 12 or f > 12 e = 10 or e = 20 e > 12 and e < 15 e > 10 and e < 7Out of these four expressions, only the third expression e > 12 and e < 15 is contradictory. If e is greater than 12, then it cannot be less than 15. Therefore, e > 12 and e < 15 must always be false.

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Answer:

20m/s

Step-by-step explanation:

\(Speed=Distance\div Time\)

\(Speed=100m \div 5s\)

\(Speed = 20m/s\)

As a car dealer lowers a vehicle that was worth 18300 to 16000 by applying the formula of change in percentage we get that by 12.569 percentage (approximately) the price gets lowered .

The initial price of the car is set at P = 18300 (units)

The price after lowering drom P becomes A= 16000 (units)

Hence the change in price (or value) of the car, that is the price of the car is lowered by, C = (initial price - lowered price) = (P - A) = (18300 - 16000) units = 2300 units.

The formula for calculating percentage change is given as follows,

Change in percentage = [(Change in value)/ ( Initial value) ]*100

⇒Change in percentage = (C/ P)*100

⇒ Change in percentage =( 2300/ 18300)*100 = 12.569% (approximately)

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