3 years ago

Write the equation of a line that is perpendicular to y=−1 and that passes through the point (8,-4)

Mathematics

1 answer:

Vera_Pavlovna [14]3 years ago

5 0

Answer:

perp. slope: 1

y + 4 = x - 8

y = x - 12

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Which of the expression are equivalent to the one below? (10+8) x 2

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Edited*

Answer:

The expression that is equivalent is B. (8+10) * 2 and C. (10*2) + (8*2)

Step-by-step explanation:

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Dima020 [189]

$\frac{8}{15}$

My Work/Reasoning:
First we find the sum of 1/3 and 1/5. $\frac{1}{3} + \frac{1}{5} = \frac{5}{15} + \frac{3}{15} = \frac{8}{15}$
Then, we find the multiplicative inverse, I guess it's also known as the reciprocal. $\frac{8}{15}$ turns into $\frac{15}{8}$
Finally, we simplify. $\frac{15}{8}=1 \frac{7}{8}$

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