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polet [3.4K]
2 years ago
5

PLEASE HELP ME ASAP!!!!!!!!!!!

Mathematics
1 answer:
ehidna [41]2 years ago
6 0
Look at the picture below!

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19 is 50% of what number
RSB [31]

If 19 is half (50%) of something, find that number you would just have to multiply 19 by 2.

This means that 19 is 50% of 38.

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3 years ago
tim has $45. he buys pens that cost 2.75 each until he has only 12.00 left. if x represents the number of pens purchased.. write
aliya0001 [1]

Solve this equation:  $45 - ($2.75/pen)x = $12.  Simplifying, we get

$33 = ($2.75)x, so that

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3 years ago
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Algebraic equations<br><img src="https://tex.z-dn.net/?f=x%20%2B%2020%20%3D%20100" id="TexFormula1" title="x + 20 = 100" alt="x
Setler [38]

Answer:

x = 80

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The whole reason algebra exists is to solve for a variable. Therefore, the only way to get x by itself or to see what x equals is to subtract 20 from both sides. Doing this will make x be all alone on one side of the equation and to see what x is.

x + 20 = 100

x + 20 -20 = 100 -20

x = 80

4 0
3 years ago
Х<br> У<br> о<br> 12<br> 1<br> 8<br> N<br> 4<br> 3<br> о<br> 4<br> 4
Softa [21]

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13

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Sorry im in 5th grade.

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2 years ago
The diameter of a circle is 8 inches. what is the area?
Rudik [331]

Answer:

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Step-by-step explanation:

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