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slega [8]
1 year ago
7

The average value of all the pennies, nickels, dimes, and quarters in Paula's purse is 20 cents. If she had one more quarter, th

e average value would be 21 cents. How many dimes does she have in her purse
Mathematics
1 answer:
sveta [45]1 year ago
7 0

Answer:

Step-by-step explanation:

The average value of all the pennies, nickels, dimes, and quarters in Paula's purse is 20 cents. If she had one more quarter, the average value would be 21 cents. How many dimes does she have in her purse

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If F(x) = 9x, which of the following is the inverse of Fx)?
Arturiano [62]

Answer:

F⁻¹(x) = x/9

Step-by-step explanation:

To find the inverse of a function, you want to switch x and y in the equation and solve for y.

F(x) = 9x

x = 9F(x)

x/9 = F⁻¹(x)

Therefore, the inverse is F⁻¹(x) = x/9.

5 0
2 years ago
The cost table shows the average cost, a(x), of
erastovalidia [21]

Reverse the numbers in the table to get:

(52,20) (67.5,25) and (64,30)

The answer would be (52,20)

7 0
2 years ago
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Find the prime factorization of 837.<br> ?
seraphim [82]

Answer:

The Prime Factorization is:

3 x 3 x 3 x 31

In Exponential Form:

33 x 311

Format:

3, 3, 3, 31

Step-by-step explanation:

5 0
3 years ago
For the choir concert, the choir director has asked that everyone wear either black pants or blue jeans. Three times as many stu
Katyanochek1 [597]

Answer: 33 students wore blue jeans .

Step-by-step explanation:

Let x be the number of black pants.

Given : For the choir concert, the choir director has asked that everyone wear either black pants or blue jeans.

Three times as many students wore black pants as blue jeans.

i.e. Number of blue pants = 4x

If there are forty-four students in the choir, then we have

x+3x=44\\\\\Rightarrow\ 4x=44

Divide both sides by 4 , we get

x=11

Thus , the number of black pants = 11

Then , the number of blue pants = 3\times11=33

Therefore, 33 students wore blue jeans .

6 0
3 years ago
The hypotenuse of a right triangle is twice the length of one of its legs. Th length of the other leg is three feet. Find the le
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Step-by-step explanation:

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