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emmainna [20.7K]
3 years ago
7

Perform the indicated operation and write the result in the form a+bi -8i(-6+2) +7(-2+6i)

Mathematics
2 answers:
sweet-ann [11.9K]3 years ago
7 0
(-8i*-6)+(-8i*2)+(7*-2)+(7*6i)= -48i+-16i-14+42i= -14-22i
3241004551 [841]3 years ago
6 0

Answer:

A. -62+26i

Step-by-step explanation:

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31,680 ft = mi<br> A. 6 <br> B. 18 <br> C. 60 <br> D. 2,640
Vlad1618 [11]
5280 feet = 1 mile
31,680 feet = x miles

31,680/5,280 = 6

31,680 feet = 6 miles.

Your answer is A. 6.
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2 years ago
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2 years ago
Read 2 more answers
I need this asap pleasee!
miv72 [106K]

Answer:

The answers are below

Step-by-step explanation:

The greater sign is > and the less then symbol is <

Using the red arrows on the number line, you can tell which one is bigger or less. The dot is colored in so it has to have a line under it. So for the first one (top, left), The red arrow is pointing to the right side meaning x is bigger than 3. Therefore x ≥ 3.

In the next one (top, right) the arrow is pointing to the negative side so that one must be less than 3. The dot is also colored in meaning it is: x ≤ 3

In the next one (bottom, left) the arrow is pointing to the right, the dot not colored in, so it has no line. Therefore it is  x > 3

Last one (bottom right) the arrow is pointing left, dot is white meaning that the answer is x < 3

If you're wondering what the open dots and closed dots mean:

An open dot is used to show that the ray's endpoint is not a component of the solution when the inequality is "strict" ( < or >).

A closed dot is used to denote that the endpoint is a component of the solution for the other types of inequalities (≥ and ≤ ).

6 0
2 years ago
Please answer. Thank you.
Aloiza [94]

Answer:

G.

Step-by-step explanation:

Graph shows constant change between the weight and the cost.

3/2.25 is 1.33333333

4/3 is 1.3333333

5/3.75 is 1.3333333 as well.

Others are not constant.

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During summer vacation, Brooke read, on average, 6 pages per night. Once she returned to school, she averaged 9 pages per night.
Monica [59]
There is a 50% increase. 6 x 1.5 = 9
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3 years ago
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