3 years ago

Help me with my 8th grade math by answering them plz ive been on this fo 2 hours

Mathematics

1 answer:

SOVA2 [1]3 years ago

4 0

The square root of 21 is a decimal or 3 square roots of 3

Are you looking for answers with decimals?

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What is the value of k if k +28=56 ?

USPshnik [31]

k = 29 i think tho

5k - 3 + 9 + k = 180

6k + 6 = 180

6k = 174

k = 29

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3 years ago

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Misha Larkins [42]

4/3 in fraction form

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A hat that originally cost 12.50 with a 60% markup find the total cost

cluponka [151]

Answer:

$20.00 dollars will be the new cost.

Step-by-step explanation:

Multiply $12.50 and 60% to get $7.50.

$7.50 plus $12.50 is $20.00.

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3 years ago

What are two ways to describe the integer n on the expression -7 < n < -4?

Alchen [17]

Description 1: "The integer n is between -7 and -4, excluding both endpoints"

Description 2: "The integer n is larger than -7 and smaller than -4"

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3 years ago

Marisol is painting on a canvas that has an area of 180 square inches. The length of the painting is 11/4 times the width. What

Alona [7]

Notice the picture below, see the length "l"?

well $\bf Area=l\times w\qquad 
\begin{cases}
l=\frac{11}{4}w\\
Area=180
\end{cases}\\\\
-----------------------------\\\\
thus
\\\\
180=\cfrac{11}{4}w\times w$

solve for "w", to find the width,

what's the length? well, l = 11/4 w

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3 years ago