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CaHeK987 [17]
3 years ago
15

The 20% tip on a $8 sandwich ​

Mathematics
1 answer:
melamori03 [73]3 years ago
5 0

Answer:

Tip of $1.60

The total is $9.60

Step-by-step explanation:

(20% × $8) + $8

$1.60 + $8

$9.60

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What is the value of x in the equation 5x-7=28
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Add 7 to both sides:

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Divide both sides by 5:

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jack donates $X per month to charity. Ta the end if 10 months, he had 1250 donated in total. How much did he donate each month
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Step-by-step explanation:

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3 years ago
Explain why the function of f(x)=4x^2+8x is neither even or odd
myrzilka [38]

Answer:

By putting x = -x in f(x) i.e. f(-x) we didn't get f(x) or -f(x) so, the function is neither even nor odd.

Step-by-step explanation:

We need to explain why the function of f(x)=4x^2+8x is neither even or odd

First we will understand, when the function is even and odd

Even function:

<em>A function is even if f(-x) = f(x) </em>

Odd function:

<em>A function is odd if f(-x) = -f(x) </em>

So, if we get the above result by putting x = -x, then we can say that the function is even or odd.

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So, for the given function: f(x)=4x^2+8x

Put x = -x

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6 0
3 years ago
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