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ValentinkaMS [17]
3 years ago
10

Use the Distributive Property to find the price of 9 CDs that cost $13.99 each.

Mathematics
2 answers:
STALIN [3.7K]3 years ago
8 0
Pretty sure it's A =)
Ronch [10]3 years ago
8 0

Answer:

Correct option is:

A. $125.91

Step-by-step explanation:

Cost of each CD= $13.99

Cost of 9 CDs= $13.99×9

                      = $ 13.99(10-1)

                      = $ (13.99×10-13.99×1)   (using distributive property)

                       = $ (139.9-13.99)

                       = $125.91

Hence, Correct option is:

A. $125.91

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Step-by-step explanation:

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Step-by-step explanation:

<u>Step 1:  Solve using the first point</u>

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<u>Step 3:  Solve using the third point</u>

<em>(4, 220)</em>

220 = a(4)^3 + b(4)^2 + c(4) + d

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<u>Step 4:  Solve using the fourth point</u>

<em>(-2, -20)</em>

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c = -a + b + d + 5

<u>Step 7:  Substitute d with the stuff we got in step 5</u>

c = -a + b + (4 - 4b) + 5

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