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Crank
4 years ago
13

15.12 is what percent of 12?

Mathematics
1 answer:
Llana [10]4 years ago
6 0

Answer:

<h2>126%</h2>

Step-by-step explanation:

\bold{METHOD\ 1}\\\\\begin{array}{ccc}15.12&-&p\%\\\\12&-&100\%\end{array}\qquad\text{cross multiply}\\\\\\12p=(15.12)(100)\\12p=1512\qquad\text{divide both sides by 12}\\p=126

\bold{METHOD\ 2}\\\\p\%=\dfrac{p}{100}\\\\p\%\ of\ 12\ is\ equal\ to\ 15.12:\\\\\dfrac{p}{100}\cdot12=15.12\\\\\dfrac{12p}{100}=15.12\qquad\text{multiply both sides by 100}\\\\12p=1512\qquad\text{divide both sides by 12}\\\\p=126

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Grant lives 2 ¼ miles from school. His mother drove him 1/3 of this distance. How far did she drive him?
AlladinOne [14]

You need to find 1/3 of (2+1/4). To do this, you multiply.

2+(1/4) * (1/3) = 3/4

She drove Grant 3/4 of the way.



6 0
3 years ago
How do you solve this<br>y=-x-1<br>y=2x-6​
Lerok [7]

Answer:

x = 5/3

y = -8/3

Step-by-step explanation:

To solve y = 2x - 6​ substitute the y for -x - 1 and solve for x.

-x - 1 = 2x - 6 Now you can solve this like a regular inequality. Start by subtracting 2x on both sides.

-3x - 1 = -6 Now add 1 to both sides

-3x = -5 Divide by -3 on both sides

x = 5/3 (the negatives cancel and become positive)

Because you have x, you can go back and properly solve for y. Substitute x for 5/3

y = 2(5/3) - 6 Simplify the right side to get your answer.

y = 10/3 - 6 In order to subtract 6, you first have to convert it to a fraction with a denominator of 3. To do this, put 6 over 1 (6/1) then find the least common denominator of 3 and 1, which is 3. Now multiply 1 by 3 and 6 by 3 to get 18/3

y = 10/3 - 18/3

y = -8/3

I hope this helped :)

3 0
3 years ago
The width of a computer is 1.25 times its height. Find the height of the computer monitor at the right. Use a bar diagram to sol
MariettaO [177]
The answer is 15 inches. If you let h stand for the height. Set them equal. 1.25 = 15. divide both sides by 1.25. h = 12
8 0
3 years ago
Solve for n.<br> n-26 = -13<br> n=1
Paraphin [41]

Answer:

I believe n equals 13.

Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
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Svetradugi [14.3K]

Answer:

-5

Step-by-step explanation:

4x -2 = 8 + 6x

-2x = 10

x = -5

3 0
2 years ago
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