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Vedmedyk [2.9K]
3 years ago
9

What is the solution to the equation 1/h-5+2/h+5=16/h^2-25

Mathematics
1 answer:
Luba_88 [7]3 years ago
5 0

9514 1404 393

Answer:

  h = 7

Step-by-step explanation:

Perhaps you want the solution to ...

  1/(h -5) +2/(h +5) = 16/(h^2 -25)

Parentheses are required around denominators that have math operations.

Multiply by (h^2-25) and solve the linear equation.

  \displaystyle\frac{1}{h-5}+\frac{2}{h+5}=\frac{16}{h^2-25}\qquad\text{given}\\\\(h+5)+2(h-5)=16\qquad\text{multiply by $h^2-25$}\\\\3h-5=16\qquad\text{simplify}\\\\3h=21\qquad\text{add 5}\\\\\boxed{h=7}\qquad\text{divide by 3}

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sineoko [7]

Answer:

Ratio of coco mix to water is 2 : 3.

Step-by-step explanation:

Given that:

Lindsey used 3 cups of water to 2 tsp of coco mix to make chocolate.

Ratio is the quantitative relationship between two amounts.

Ratio of coco mix to water.

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2 : 3

Hence,

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3 0
3 years ago
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After 7 years, an initial investment of $600 earned $84. Find the interest rate
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Answer:

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Step-by-step explanation:

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converting r decimal to a percentage

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<u>Solution:</u>

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