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nevsk [136]
3 years ago
8

How to solve (5-8i)+(1+6i)

Mathematics
2 answers:
sasho [114]3 years ago
7 0
The answer too this question is 4i. (6-2i)
quester [9]3 years ago
5 0
6-2i is the correct answer.
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Find Endpoint from Midpoint and Endpoint
erastova [34]

Answer:

The endpoint, B, is (-7, -8)

Step-by-step explanation:

When I get a problem like this, the first thing I like to do is find the difference between the midpoint and the starting point.

In this problem it would be -5 - -3 = -2 and -2 - 4 = -6.

(-2, -6) is what will help us find the endpoint.

Take the midpoint, (-5, -2), and add those coordinates to it.

-5 + -2 = -7

-2 + -6 = -8

So our endpoint is (-7, -8)

Here is a graph, to help you visualize it.

5 0
2 years ago
Anybody please help me :( I don’t know the answer ??
enot [183]

elimination means to get rid of one variable by altering the coefficients of variable (by multiplying and diving by some constant number)

in this case, if you just add the two equation, y gets cancelled you get 5x=20 or x=4

put it in any equation to get y (this works because both lines pass through the same point, so they must satisfy that point) to get y=2

4 0
3 years ago
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What is the best approximation for the circumference of a circle with a diameter of 300 ft?
Shtirlitz [24]
Easy, since you have the diameter, which is very needed in order to find the circumference, you can use the equation d x 3.14 = c. d is the diameter and c is the circumference to 300 x 3.14 = 942 ft
4 0
3 years ago
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The measure of an angle is 135 degrees. What is the measure of its supplementary angle ?
Marat540 [252]

Remember that if two angles are supplementary, then the sum of their measures is 180°. So if the measure of an angle is 135 degrees. What is the measure of its supplement?

If the measure of an angle is 135°,

then the measure of its supplement is 45°.

We can find the measure of its supplement by taking 180 minus the measure of the original angle which in this case is 180 - 135 or 45°.

6 0
4 years ago
A box of cereal has a volume of 144in^ 3 . The height of the cereal box is 12 inches , and the depth is 2 inches. What is the wi
Cerrena [4.2K]

Answer:

6 inches

Step-by-step explanation:

Plug the known values into the equation for volume (V=lwh) and solve for width.

6 0
3 years ago
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