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defon
3 years ago
13

Please help me do this one complicated and confused

Mathematics
2 answers:
Rudik [331]3 years ago
4 0
The H = height and it equals 9

H = 2 a/b = 2 x 54/12 = 9
IrinaK [193]3 years ago
3 0

Answer:

9

Step-by-step explanation:

Area of a triangle=(base*height)/2

1) Input the values

54=(12h)/2

2) Multiply both sides by 2

54*2=(12h/2)2

108=12h

3) Divide both sides by 12

108/12=12h/12

9=h

I hope this helps! Please comment if you have any questions.

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Step-by-step explanation:

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julian's height is 7 inches less than his sisters his sister's is unknown what is julian's height use x for his sister's height
Marat540 [252]

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Step-by-step explanation:

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3 years ago
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3 years ago
What is the solution to the equation <br> 13×3/4+x=7(1/4)
yan [13]
I'm going to assume you mean:

13 * (3/4) + x = 7 * (1/4)

Let's go ahead and simplify the right side.

7 * (1/4) = 1.75

So now we have:


13 * (3/4) + x = 1.75

Now let's take care of the right side. Multiplication before addition.

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To isolate x, we subtract 9.75 from both sides.

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3 years ago
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