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DedPeter [7]
3 years ago
12

Please help! (100 points)

Mathematics
2 answers:
Serga [27]3 years ago
8 0

Answer:

a) 160pi in³

b) 502.4 in³

Step-by-step explanation:

a) 4 × 4 × 10 × pi = 160 pi in³

b) 4 × 4 × 10 × 3.14

= 502.4 in³

beks73 [17]3 years ago
6 0

Answer:

A.)  V = 160π

B.)  V = 502.4 inches^3

Step-by-step explanation:

Part A:

<u>Formula for the volume of a cylinder:  V = π * r^2 * h</u>

r^2 can be broken into r * r

π can be represent by 3.14

It is the same as:  <u>V = r * r * h * 3.14</u>

V = 4 * 4 * 10 * π

V = 160π

Answer:  V = 160π

Part B:  

<u>Step 1:  Plug in</u>

V = 4 * 4 * 10 * 3.14

V = 16 * 31.4

V = 502.4 inches^3

Answer:  V = 502.4 inches^3

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Answer:

The answer is below

Step-by-step explanation:

The minimum payment on a credit card is based on the total amount owed. A credit card company uses the following rules: For a bill less than $20 the entire amount is due, for a bill of at least $20 but less than $500, the minimum due is $20. For a bill of at least $500 but less than $1000 the minimum due is $40 and for a bill of at least $1000 but less than $1500 the minimum due is $80 dollars. For a bill of $1500 or more the minimum due is 1/10th of the bill.

a. Write a function to describe the minimum payment due.  

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c. What is the minimum payment due if the bill is $1410?  

d. What is the minimum payment due if the bill is $1700?

Solution:

Let B represent the minimum due payment for a bill in dollars and let x represent the bill in dollars. Therefore:

For x < 20, B = x

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For 1000 ≤ x < 1500, B = 80

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a)

B(x)=\left \{ {{x\ \ \ x

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Answer:

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Answer:

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