3 years ago

What is the value of z so that -9 and 9 are both solution of x^2+z=103

Mathematics

2 answers:

olasank [31]3 years ago

5 0

Answer:

Step-by-step explanation:

Marysya12 [62]3 years ago

4 0

22 because -9 and 9 squared is 81 subtract that from 103

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What is the ratio a:b if 8a=3b?

Digiron [165]

The ratio a:b is 3:8

Step-by-step explanation:

In simple words, the ratio a:b means the fraction a/b.

So we will have to solve the given equation for a/b

Given

$8a=3b$

Dividing both sides by 8

$\frac{8a}{8}=\frac{3b}{8}\\a=\frac{3b}{8}$

Dividing both sides by b

$\frac{a}{b}=\frac{3b}{8*b}\\\frac{a}{b} =\frac{3}{8}$

The ratio a:b is 3:8

Keywords: Ratios, Fractions

Learn more about ratios at:

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