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

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

4 0

3 years ago

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Joshua decided he did not want to study for the test so he randomly chose answers to a 5 question test. If each question had 4 a

Veronika [31]

Answer:

there is a 0.0009765625 in 1 chance that he got 100%.

Step-by-step explanation:

possibility of getting a question right: 1/4

# of questions: 5

(1/4)^5 is 0.0009765625

5 0

3 years ago

The table shows the wavelength of the sound produced by keys on a piano x keys away from the A above middle C.

Virty [35]

B) 49.44 is the right answer

5 0

3 years ago

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