The numbers 8,x,9 and 36 are in proportion.Find x

Mathematics

2 answers:

Wewaii [24]3 years ago

5 0

If you can give the proportion then it would be better.

I am asuming

8:x::9:36

Then 8:x::1:4

So x = 32

Answered by Gauthmath must click thanks and mark brainliest

saveliy_v [14]3 years ago

4 0

Answer:

x = 32

Step-by-step explanation:

$\frac{8}{x}$ = $\frac{9}{36}$ = $\frac{1}{4}$ ( cross- multiply )

x = 8 × 4 = 32

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11 months ago

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2) -7x + 5y=10<br> 4x - 5y=-10

bezimeni [28]

To solve this, the problem is solvable by elimination. So you see how the 5y and -5y cancel out? You basically add those two and you add the -7x and 4x and 10 and -10 leaving you with -3x=0. Dividing by each side gives you x=0. Then, plug 0 in for x in -7x+5y=10. Giving you

-7(0)+5y=10.

0+5y=10

5y=10
Divide by 5 on each side giving you y=2. So your answer is (0,2).