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wlad13 [49]
4 years ago
11

What are the steps to find (2+2i)(5+3i)?

Mathematics
1 answer:
Scilla [17]4 years ago
4 0

Answer:

Step-by-step explanation:

(2+2i)(5+3i)

(2)5+(2)3i=10+6i

(2i)5+(2i)3i=10i+6i^2

10+6i+10i+6i^2

6i^2+6i+10i+10

6i^2+16i+10

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Answer:

504

Step-by-step explanation:

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2 years ago
In APQR, find the measure of Z.P.
egoroff_w [7]

Step-by-step explanation:

multiple possibilities.

e.g.

we could use Pythagoras to get QR, and then use the law of sine to get angle P.

or we can use the law of sine to get angle R, and then use the rule that the sum of all angles in a triangle is always 180° to get angle P.

I propose the second option :

the law of sine :

a/sin(A) = b/sin(B) = c/sin(C)

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sin(R) = 33.8/57.6 = 0.586805555...

R = 35.93064691...°

180 = 90 + 35.93064691... + P

P = 54.06935309...°

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2 years ago
Which linear inequality will not have a shared solution set with the graphed linear inequality?
OlgaM077 [116]

Answer: C

Step-by-step explanation:

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3 years ago
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