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mote1985 [20]
3 years ago
14

Simplify the following expression into the form a + bi, where a and b are rational numbers. (4-i)(-3+7i)-7i(8+2i), please help

Mathematics
2 answers:
olganol [36]3 years ago
8 0

Answer:

9-25i is the answer

atroni [7]3 years ago
7 0
9-25i is the answer to your question
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The question is in the photo above plz answer
frutty [35]

Answer:

surface area of cuboid=2(lb+bh+hl)

surface area of cuboid=2(12×5+5×2+2×12 )

surface area of cuboid=188in²

5 0
2 years ago
A telephone pole is 24 feet tall. a 26-foot guy wire is used to stabilize the pole. how far from the base of the telephone pole
padilas [110]

Using the Pythagorean Theorem, it is found that the base of the pole should be set 10 feet from the end of the wire.

<h3>What is the Pythagorean Theorem?</h3>

The Pythagorean Theorem relates the length of the legs l_1 and l_2 of a right triangle with the length of the hypotenuse h, according to the following equation:

h^2 = l_1^2 + l_2^2

In this problem, the distance is l_2, while the other measures are l_1 = 24, h = 26, hence:

24^2 + l_2^2 = 26^2

l_2 = \sqrt{26^2 - 24^2}

l_2 = 10

The base of the pole should be set 10 feet from the end of the wire.

More can be learned about the Pythagorean Theorem at brainly.com/question/654982

#SPJ1

4 0
2 years ago
G(x)= 3x − 3; Find g(−6)
Irina18 [472]
<span>g(x)= 3x − 3
</span><span>g(−6)

g(-6) = 3(-6) - 3
g(-6) = -18 - 3
g(-6) = -21

The answer is -21.</span>
4 0
3 years ago
Read 2 more answers
WILL GIVE BRANLIEST PLEASE PLEASE HELP OR AT LEAST COME LOOK WILL BE FOREVER GREATFUL!!!!
BigorU [14]

Answer:

1. tan (4π/3) = √3

Answered by GAUTHMATH

5 0
3 years ago
Find the missing side length. Show all of your work. *
ratelena [41]
6²+8²=c²
36+64=c²
c²=100
c=10
7 0
3 years ago
Read 2 more answers
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