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docker41 [41]
3 years ago
9

A customer purchases groceries for $22.00 before tax, and $23.76 after tax. What percentage sales tax did the customer pay?

Mathematics
1 answer:
icang [17]3 years ago
5 0
12.5 percent sales tax
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Given the piece wise function show below, select all that are true​
NeTakaya

Answer:

Option (C) and (D)

Step-by-step explanation:

Given piecewise function is,

f(x) = 2x, x < 1

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Option (A),

x = 5 means x > 1

So the function will be,

f(x) = x^{2}

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Therefore, f(5) = 1 is not correct.

Option (B),

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f(x) = 2x will be applicable.

f(-2) = 2(-2) = -4

Therefore, f(-2) = 4 is not correct.

Option (C)

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Therefore, f(1) = 5 is the correct option.

Option (D)

x = 2 means x > 1 and the function defined will be,

f(x) = x²

f(2) = 2²

     = 4

Therefore, f(2) = 4 will be the correct option.

Options (C) and (D) will be the answer.

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3 years ago
2. Simplify the sum or difference. 4 sqrt 2 - 7 sqrt 2
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Hello :
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Step-by-step explanation:

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Step-by-step explanation:

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