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bonufazy [111]
3 years ago
11

What is A decreased by 20% and then increased by 20% of that? Please show your work.

Mathematics
1 answer:
Eduardwww [97]3 years ago
3 0

Answer:

A - (20% of A) = 80% of A + (20% of (80% of A) = 96% of A

So if A is 100:

100 - (.2 * 100) = 80 + (.2 * 80) = 96

Step-by-step explanation:

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Notah lives in Minnesota. He records the lowest temperature each day for one week. What is the mean of the temperatures? -7.3°F,
natita [175]

Answer:

-2.1

Step-by-step explanation:

-7.3 - 11.2 - 1.7 + 0 + 0 +2.2 + 3.3

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Step-by-step explanation:

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3 years ago
Evaluate the function at the indicated values. f(x)= 6x^2+ 5x -12
seropon [69]

Step-by-step explanation:

We need to find the value of the function at the indicated value.

f(x)= 6x^2+ 5x -12

Indicated values are : f(-7), f(0), f(6), f(7)

To find f(-7), put x = -7 in the given function

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To find f(0), put x = 0 in the given function

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To find f(6), put x = 6 in the given function

f(6)= 6(6)^2+ 5(6) -12=234

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f(7)= 6(7)^2+ 5(7) -12=317

Hence, this is the required solution.

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