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Volgvan
4 years ago
13

Does anyone know away that I maybe able to understand these problems better

Mathematics
1 answer:
avanturin [10]4 years ago
8 0

Answer:

Step-by-step explanation:

Solving for x. Want to solve for f instead?

Step 1 move all terms to one side

fx - 4x² + 100 =0

Step 2 Use the Quadratic Formula

x = -f + √f² + 1600 ÷ -8,   -f-√f²+1600 ÷ -8

Done.

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Two siblings ' ages have a sum of 64 years . The older sibling was born 6 years before their young sibling . Write a system of 2
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Answer:

younger sibling = 29 years

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Step-by-step explanation:

Let

x = younger sibling

y = older sibling

x + y = 64 (1)

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y - 6 + y = 64

2y = 64 + 6

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y = 70/2

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Substitute y = 35 into (2)

x = y - 6

x = 35 - 6

x = 29 years

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