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3 years ago

14

50% of _ =7 answer plssssss

1 answer:

zysi [14]3 years ago

3 0

50% of 14 is 7

this is because if you do 7/0.5 it will be 14 or you can think of it this way: 50% is half, so you have to find what part of half 7 is, which in this case is 14

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Which number is between 7.17 x 10^4 and 8.17 x 10^5

xxTIMURxx [149]

Answer:

71701,71702, 71703 etc

Step-by-step explanation:

Given :

$7.17$ × $10^{4}$ and 8.17× $10^{5}$

Now

$7.17$ × $10^{4}$ =71700 and

8.17× $10^{5}$ =817000

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3 years ago

8y-10=6y-2 help me please I don't get this

murzikaleks [220]

$8y-10=6y-2$

$8y-10=6y-2:y$ $| Solve \ for \ y|$

$8y=6y-2+10
 
$ $|Add \ 10 \ to \ both \ sides|$

$
8y=6y+8
 
$

$
8y-6y=8
 
$ $|Subtract \ 6y \ from \ both \ sides|$

$2y=8$

$y=8/2$ $|Divide \ both \ sides \ by \ 2|$

$y=4$

$\star \ Hence \ solved$

6 0

3 years ago

Read 2 more answers

Which property does the equation illustrate?<br> 0 +-b= -b?

konstantin123 [22]

Answer:

The property the equation illustrates would be the zero property of addition.

Step-by-step explanation:

The additive property of zero states that when you have any number and add zero to it, your answer will always equal the original number.

8 0

3 years ago

What mistake did the student make in this one-step equation?

MArishka [77]

Answer:

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Step-by-step explanation:

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7 0

2 years ago

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A rectangle has a length of 12 yards less than 3 times its width. If the area of the rectangle is 135 square yards, find the len

Aleonysh [2.5K]

Answer:

The length is 15 yards

Step-by-step explanation:

Given

Represent the width with W and length with L: So

$Area = 135yd^2$

$L=3W - 12$

Required

Determine the length of the rectangle:

Area is calculated as thus:

$Area = L * W$

Substitute 3W - 12 for L and 135 for Area

$135= (3W - 12) * W$

$135= 3W^2 - 12W$

Reorder:

$3W^2 - 12W - 135= 0$

Divide through by 3

$W^2 - 4W - 45 = 0$

Expand:

$W^2 - 9W + 5W - 45 = 0$

$W(W - 9) + 5(W - 9) = 0$

$(W + 5)(W-9) = 0$

$W + 5 = 0$ or $W - 9 = 0$

$W = -5$ or $W = 9$

But width can't be negative

So:

$W = 9$

Recall that: $L=3W - 12$

$L = 3 * 9 - 12$

$L = 15$

<em>Hence, the length 15 yards</em>

4 0

3 years ago