2 years ago

What is 9 + 10? (You have to say the right thing)

Mathematics

2 answers:

Andru [333]2 years ago

8 0

Answer:

9+10=19

have a nice day..

nexus9112 [7]2 years ago

3 0

Answer:

Step-by-step explanation:

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Work Shown:

Solve for y. Then replace y with f(x).

$680x + 10y - 1000 = 0\\\\10y - 1000 = -680x\\\\10y = -680x + 1000\\\\y = \frac{-680x + 1000}{10}\\\\y = \frac{-680x}{10} + \frac{1000}{10}\\\\y = -68x + 100\\\\y = 100 - 68x\\\\f(x) = 100 - 68x\\\\$

Effectively this involves adding 1000 to both sides and subtracting 680x from both sides, afterward we divide both sides by 10 to isolate y.

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