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anyanavicka [17]

2 years ago

13

Please help I’m begging you!!

1 answer:

Vinil7 [7]2 years ago

5 0

Answer:

Here is the ans ...hope it helps:)

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Kevin and Randy Muise have a jar containing 53 coins all of which are either quarters or nickels. The total value of the couns i

Oksana_A [137]

Step-by-step explanation:

thanks for being our friend chase

7 0

4 years ago

Which of the following is NOT a possible value for the correlation coefficient? 1) negative 0.9 2) zero 3) positive 0.15 4) posi

AnnyKZ [126]

Answer:

4) positive 1.05

Step-by-step explanation:

<u>Correlation:-</u>

Correlation is a statistical measure that indicates the extent to which two or more variables fluctuate together.

Examples:i) The yield of a crop varies with the amount of rainfall

ii) The price of a commodity increases with the reduction in its supply and so on.

That is when the changes in one variable are associated or followed by changes in the other, is called <u>correlatio</u><u>n</u>

<u>positive correlation</u>:- If an increase (or decrease ) in the values of one variable corresponds to an increase(or decrease ) in the other, then correlation is said to be <u>positive.</u>

<u>negative correlation</u>:- If an increase (or decrease ) in the values of one variable corresponds to an decrease(or increase ) in the other, then correlation is said to be <u>negative</u>.

<u>no correlation:-</u>

If there is no relationship indicated between the variables,they are said to be independent or uncorrelated.

<u>uses of correlation</u>:-it is used in presenting the average relationship between any two variables through a single value of co-efficient of correlation. correlation is a statistical technique that can show whether and how strongly pairs of variables are related.

The range of correlation is $-1\leq r\leq 1$

r=-1 is the negative correlation

r=1 is the positive correlation

so the answer is not a possible value for the correlation coefficient is positive 1.05.

4 0

3 years ago

The slope formula can be used to prove that a triangle has A congruent sides Ba right angle C parallel sides D congruent angles

stealth61 [152]

D. hope u have a wonderful day :)

3 0

3 years ago

Read 2 more answers

Tennis balls with a diameter of 2.5 inches are sold in cans of three. The can is a cylinder. What is the volume of the space NOT

Paul [167]

Answer:

The space NOT occupied by the tennis balls is 12.26 cube inches.

Step-by-step explanation:

The space NOT occupied = volume of cylinder - total volume of spheres

The can is cylinder with volume = $\pi$ $r^{2}$ h

where r is the radius and h the height of the cylinder

With the given condition,

r = $\frac{diameter}{2}$ = $\frac{2.5}{2}$

= 1.25 inches

h = 3 x diameter = 3 x 2.5

= 7.5 inches

So that,

Volume of the can = $\frac{22}{7}$ x $(1.25)^{2}$ x 7.5

= 36.830

Volume of can is 36.83 cube inches.

The tennis ball is a sphere with volume = $\frac{4}{3}$ $\pi$ $r^{3}$

= $\frac{4}{3}$ x $\frac{22}{7}$ x $(1.25)^{3}$

= 8.185

Volume of the tennis ball is 8.19 cube inches.

Since they are sold in three's, then;

total volume of the tennis balls = 3 x 8.19

= 24.57

Volume of the tennis balls is 24.57 cube inches.

Thus,

The space NOT occupied = 36.83 - 24.57

= 12.26

The space NOT occupied by the tennis balls is 12.26 cube inches.

7 0

3 years ago

sweet [91]

The true statement about f(x) and g(x) is (a) the graph of f(x) is less steep than the graph of g(x).

The equations are given as:

$f(x) = -\frac 34x -1$

$g(x) = -4f(x)$

Substitute $f(x) = -\frac 34x -1$ in $g(x) = -4f(x)$

$g(x) = -4(-\frac 34x -1)$

Expand

$g(x) = 3x + 4$

So, the equations of f(x) and g(x) are:

$f(x) = -\frac 34x -1$

$g(x) = 3x + 4$

A linear equation y = mx + b has a slope of m and a y-intercept of b.

So, the slopes of g(x) and f(x) are 3 and -3/4.

So, the y-intercept of g(x) and f(x) are 4 and -1

This means that

The graph of f(x) is less steep; option (a) is true
The y-intercept of f(x) is 5 less the y-intercept of g(x); option (b) is false

Both graphs are not the same, and they have different x-intercepts.

Hence, the true statement is (a)

Read more about linear functions at:

brainly.com/question/15602982

5 0

2 years ago