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joja [24]
3 years ago
6

Question 31 of 41

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
8 0

Answer:

615.75

Step-by-step explanation:

A=4 times pi times r squared

4 times pi times 49 = 615.752160104

Round it to 615.75

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The wholesale price for a of shoes is $7.50. A certain department store marks up the wholesale price by 50%. Find the price of t
morpeh [17]

Answer:

$11.25

Step-by-step explanation:

1.5×7.5=11.25

4 0
3 years ago
Rearrange the equation so r is the independent variable.<br><br> 10q - 5r = 30
Murljashka [212]

Answer:

q = 3 + 1/2r

Step-by-step explanation:

10q - 5r = 30

We want to solve for q

Add 5r to each side

10q - 5r+5r = 30+5r

10q = 30+5r

Divide by 10

10q/10 = 30/10 +5r/10

q = 3 + 1/2r

3 0
4 years ago
A manufacturing plant earned \$80$80dollar sign, 80 per man-hour of labor when it opened. Each year, the plant earns an addition
vagabundo [1.1K]

Answer:

A(t)=80(1.05)^t

Step-by-step explanation:

The manufacturing plant earned $80 per man-hour of labor when it opened

The plant earns an additional 5% for every additional man-hour t.

This can be modeled using the function:

A(t)=P(1+r)^t

where Initial Amount Earned, P=80

Rate of Increase, r=5%=0.05

Therefore, the function that models the amount earned at any time t is:

A(t)=80(1+0.05)^t\\A(t)=80(1.05)^t

3 0
3 years ago
Equation of the line that is perpendicular to y= 1/8x -2 and goes through the point <br> (-2,-3)
larisa [96]
The answer to this equation is y=-8x-19



I hope this helps!!!!!!!!
7 0
3 years ago
Read 2 more answers
What is −4 − (−1) pleaseeeeeeeeeeeee help
faltersainse [42]
= -4-(-1)
= -4+1
= -3
Hope it helps
Thank you..
7 0
3 years ago
Read 2 more answers
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