2 years ago

Please answer!!!!! Im in the middle of this test and im not sure what the answer to this is!

Mathematics

1 answer:

Savatey [412]2 years ago

3 0

Answer:

Increase of 8

Step-by-step explanation:

x = y-8

y=x+8

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2 years ago

What is the midpoint between -2-3i and 3+9i

Svetlanka [38]

Answer:

1/2 + 3i is the midpoint between -2-3i and 3+9i.

Step-by-step explanation:

Given the complex number

-2-3i

3+9i

The formula to find the midpoint of two complex number (a + bi) and (c + di) is:

$M=\frac{\left(a+c\right)}{2}+\frac{\left(b+d\right)i}{2}$

$M=\frac{\left(-2+3\right)}{2}+\frac{\left(-3+\left(9\right)\right)i}{2}$

$M=\frac{-2+3+\left(-3+9\right)i}{2}$

$M=\frac{1+6i}{2}$

$M=\frac{1}{2}+3i$

Therefore, 1/2 + 3i is the midpoint between -2-3i and 3+9i.

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2 years ago

Write a linear equation that passes the point (2,-9) and has a slope of -5

Nezavi [6.7K]

Answer:

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Step-by-step explanation:

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2 years ago

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The expression -120 + 13m represents a submarine that began at a depth of 120 feet below sea level and ascended at a rate of 13

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Answer:

It would be at a depth of 42 meters below the surface

Step-by-step explanation:

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1 year ago

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Ilya [14]

Answer:

Step-by-step explanation:

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