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3 years ago

HELP PLEASE IM GONNA FAIL

Mathematics

2 answers:

Anestetic [448]3 years ago

7 0

Answer:

First one n=4

Second one h=11

Third one y=11.2

Fourth one 5x 2x + 5 x 4

Step-by-step explanation:

First one you add fifteen to both sides and then divide by 14.23

Alexxx [7]3 years ago

3 0

Answer:

5) n = 4

6) h = 11

7) y = 11.2

8) 5 • 2x + 5 • 4

Step-by-step explanation:

5) 14.23n • 100 - 15 • 100 = 41.92 • 100

1423n - 1500 = 4192

1423n - 1500 + 1500 = 4192 + 1500

1423n = 5692

1423n / 1423 = 5692 / 1423

n = 4

6) 12h - 33 + 33 = 99 + 33

12h = 132

12h / 12 = 132 / 12

h = 11

7) 4(y-5) / 4 = 24.8 / 4

y - 5 = 6.2

y - 5 + 5 = 6.2 + 5

y = 11.2

8) 5 • 2x + 5 • 4

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3 years ago

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lakkis [162]

Answer:

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Step-by-step explanation:

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3 years ago

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Will mark brainlest how to multipy it

Lesechka [4]

Answer:

$\displaystyle x = 2 \sqrt{3}$

Step-by-step explanation:

we would like to solve the following equation:

$\displaystyle \sqrt{3} = \frac{6}{x}$

in order to do so do cross multiplication:

$\displaystyle x \sqrt{3} = 6$

divide both sides by √3:

$\displaystyle x = \frac{6}{ \sqrt{3}}$

since we ended up with a square root on the denominator so we can consider rationalising the denominator to do so multiply both numerator and denominator by √3 which yields:

$\displaystyle x = \frac{6}{ \sqrt{3}} \times \frac{ \sqrt{3} }{ \sqrt{ 3} }$