3 years ago

Is 12/5 a rational or irrational

Mathematics

1 answer:

strojnjashka [21]3 years ago

5 0

Rational since 12/5=2.4

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lozanna [386]

Answer:

315

Step-by-step explanation:

42 is 84 percent of 50. If you apply this to 375, you get 315 because 84 percent of 375 is 315

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3 years ago

What is the value of x...<br><br> 5(x-5)=3(x-7)

timurjin [86]

Answer:

x=2

Step-by-step explanation:

5(x-5)=3(x-7)

Distribute

5x-25 = 3x-21

subtract 3x from each side

5x-25-3x = 3x-21-3x

2x-25 = -21

Add 25 to each side

2x-25+25 = -21 +25

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3 years ago

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tamaranim1 [39]

Answer:

Step-by-step explanation:

The formula of a midpoint of (x₁, y₁) and (x₂, y₂):

$M\left(\dfrac{x_1+x_2}{2},\ \dfrac{y_1+y_2}{2}\right)$

We have two points (-3, 7) and (-9, 1).

Substitute:

$x=\dfrac{-3+(-9)}{2}=\dfrac{-12}{2}=-6\\\\y=\dfrac{7+1}{2}=\dfrac{8}{2}=4$

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3 years ago

An envelope from the post office is 3 inches wide with a total area of 30 square inches.what is the height of the envelope

ad-work [718]

The height of the envelope is 10. This is because you divide the area by 3. So, the missing side is 10 inches.

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3 years ago

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What is the percent change from 400 to 500?

faust18 [17]

Answer:

25%

Step-by-step explanation:

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