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jenyasd209 [6]
3 years ago
12

Perform the operation. Give the answer in a + bi form. (2 − 2i)(3 + i)

Mathematics
1 answer:
Delvig [45]3 years ago
3 0

Answer:

\boxed{8-4i}

Step-by-step explanation:

We know that i^2=-1

(2-2i)(3+i) = 6 + 2i -6i -2i^2\\

= -4i+6+2

=8-4i

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2) Phillip has 8 red balls, 3 green balls, 6 yellow balls, 3 orange balls, 13 black balls
AVprozaik [17]
Mean 6.6
Median 6
Mode 3
Range 10

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5 0
3 years ago
PLEASE ANSWER HURRY ​
LUCKY_DIMON [66]

Answer:

C. A dilation

Step-by-step explanation:

Dilations create entirely new shapes; however, other types of transformations maintain congruence to the original shape.

8 0
3 years ago
11 POINTS! FIND Z PLEASE! WILL MARK BRAINLIEST! The surface area of this rectangular prism is 8,462 square centimeters.
Archy [21]

Answer:

The answer to your question is z = 87 cm

Step-by-step explanation:

Data

Surface area of the rectangular prism = 8,462 cm²

Find z

Process

1.- Write and equation that help to solve the problem

Surface area = 2(13z) + 2(13)(31) + 2(31z)

-Simplify

           8462 = 26z + 806 + 62z

           8462 - 806 = 26z + 62z

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                          z = 7656/88

-Result

                          z = 87 cm

8 0
4 years ago
Depreciation is a process describing how something loses its value over time. A 2021 Ford F150 will lose 7% of its value each ye
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Answer:

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4 0
3 years ago
Read 2 more answers
Factor completely 56a2b3 − 35ab.
VMariaS [17]

I would start off by taking away 1a. That would make the problem be 56ab3-35b.I only took away 1 because each have at least 1a and is okay to do.


Next I would deal with the variable b. I would cross of 1 b. That's because both sides have at least 1b.  Now, it's shortened to be 56ab2-35.


Since you cannot take away anymore variables, you have to deal with 56 and 35. I start small with dividing each by 2. I am trying to see what the greatest number could be while making the numbers still be whole. That turns 56 into 28 when it's cut in half. The 35 now turns into 17.5.


I would assume your teacher would want the numbers to be whole. seeing as though when 35 is cut in half and makes a decimal number, I would leave them. What I mean by that is to leave the numbers as 56 and 35.


So, that means the answer is 56ab2-35.


I hope this helps!! (And makes sense)

5 0
4 years ago
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