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IRINA_888 [86]
3 years ago
5

Which phrase describes the algebraic expression 52-2?

Mathematics
1 answer:
ser-zykov [4K]3 years ago
7 0

Answer:

a

Step-by-step explanation:

i took the test and got it right

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Step-by-step explanation:

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Suppose x and y vary together such that y = 2 x + 11 . Suppose x varies from x = 2 to x = 8.5 .
Stells [14]

Answer:

a) x changes by 6.5 units

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Step-by-step explanation:

a. Over this interval, how much does x change by?

Initially, we have that x = 2.

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So x changes by 8.5-2 = 6.5 units

b. Over this interval, how much does y change by?

Initially, when x = 2, we have that y = 2x + 11 = 2*2 + 11 = 15

In the end, when x = 8.5, we have that y = 2*8.5 + 11 = 28

So y changes by 28 - 15 = 13 units

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Step-by-step explanation:

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Step-by-step explanation:

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