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3 years ago

Please help im stuck

Mathematics

1 answer:

Snowcat [4.5K]3 years ago

6 0

Answer:

x=40

Step-by-step explanation:

Area of a triangle = B*H/2

First, you have to find the relationship between the large triangle and the smaller triangle. 72 is three times as much as 24, so to find x, you would have to find the relationship between 120 and x. So, 120/3 = 40.

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3 years ago

How do I find the quotient 7/8÷2/9

Lena [83]

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3 years ago

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Find the solution to the system of equations: x 3y = 7 and 2x 4y = 8 1. isolate x in the first equation: 2. substitute the value

DIA [1.3K]

The solution to the system of equation are x = -2 and y = 3

<h3>How to find the solution of a system of equation?</h3>

x + 3y = 7

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Let's isolate x in the first equation

x = 7 - 3y

substitute the value of x in the second equation.

Therefore,

2(7 - 3y) + 4y = 8

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x + 3(3) = 7

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2 years ago

75% of what equals 30

poizon [28]

Answer:

30 is 75% of 40

Step-by-step explanation:

We have, 75% × x = 30 or, 75/100 x = 30. Multiplying both sides by 100 and dividing both sides by 75, x = 40.

And if you are using a calculator, simply enter 30×100÷75, which will give you the answer.

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3 years ago

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