2 years ago

With a coupon, you can get a pair of shoes that normally costs $84 for only $71.40. What

Mathematics

1 answer:

julsineya [31]2 years ago

3 0

Answer:

85%

Step-by-step explanation:

71.40/84=0.85. multiply the decimal by 100 to get the percentage

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Crank

Answer:

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Step-by-step explanation:

I'm not 100% sure if that's right

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3 years ago

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What is the sum of the measures of the interior angles of a 15-sided polygon?

AlladinOne [14]

Answer:

B. 2340

Step-by-step explanation:

Interior angles of a polygon is given by

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(15-2) *180

13*180

2340

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3 years ago

Rewrite the expression 7x+21=

Dima020 [189]

Minus the 21 from the other side of the equation making it 7x=-21 then u divide the 7 from the x to the -21 resulting in x=-3

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3 years ago

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X=-3 which is a positive value? A x B x^2 C x^3 D x+3

Gemiola [76]

Answer:

B. X squared is -3 times -3, which is equal to 9.

Step-by-step explanation:

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3 years ago

Find the slope of the line on the graph. Write your answer as a fraction or a whole number, not mixed number or decimal.

Vesna [10]

Answer:

<em>The slope is:</em>

$m=-\frac{3}{2}$

Step-by-step explanation:

The slope m of a line is calculated using the following formula

$m=\frac{y_2-y_1}{x_2-x_1}$

Where the points $(x_1, y_1)$ and $(x_2, y_2)$ are two points belonging to the straight line

Notice in the graph that the line passes through the points

(0, 2) and (2, -1)

Then the slope is:

$m=\frac{-1-2}{2-0}$

$m=\frac{-3}{2}$

4 0

3 years ago