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3 years ago

Convert to a percent: 13/8

1 answer:

5 0

What you're doing is just dividing 13/8 to find the decimal (1.625) and then divide that number by 100. 162.5%
your answer is 162.5%

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Show me how to solve. y = -7x +3

Genrish500 [490]

To do this plug in 0 for the x and y when you are trying to find one value like this:

First I would plug in 0 for y:

0 = -7x +3

Now do anything to isolate x:

-3 = -7x

3/7 = x

Now plug in 0 for x to find the y

y = -7(0) + 3

y = 3

6 0

4 years ago

A railroad crossing sign has a diameter of 30 inches. what is the area of the sign?

Anna007 [38]

Answer:

706.5m^2

Step-by-step explanation:

The sign is a circle

Area of a circle is (pi)r^2

d = 30 in -> r = d/2 = 30/2 = 15

Area = 3.14 x (15)^2 = 706.5m^2

5 0

3 years ago

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14. See the image below:

Y_Kistochka [10]

Answer:

Step-by-step explanation:

8 0

4 years ago

Use the product of powers property to simplify the expression –2x3y4x2y3.

Maslowich

Option d: $-2x^{5} y^{7}$ is the correct answer.

Explanation:

The expression is $-2x^{3} y^{4} x^{2} y^{3}$

We need to simplify the expression, using the product of powers.

The product of powers states that "when multiplying two powers with the same base the exponent values can be added up".

Thus, grouping the same base and adding the exponent values from the expression $-2x^{3} y^{4} x^{2} y^{3}$ , we have,

$-2x^{3+2} y^{4+3}$

Adding the exponent, we get,

$-2x^{5} y^{7}$

Thus, the simplified expression is $-2x^{5} y^{7}$

Hence, Option d is the correct answer.

6 0

3 years ago

Read 2 more answers

T/18 = 7/100 solve for t

Vlad [161]

Answer:

t = 63/50 , t = 1.26, t = 1 13/50

Step-by-step explanation:

math

7 0

4 years ago

Read 2 more answers