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zhenek [66]
2 years ago
7

(2+I)(1-3i) simplify

Mathematics
1 answer:
Oksi-84 [34.3K]2 years ago
7 0

Answer:

I − 3 I i + 2 − 6 i

Step-by-step explanation:

Trust me.

I've been doing it for years

Very glad I could help you!!

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Prove:1/sin²A-1/tan²A=1​
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Step-by-step explanation:

1/sin^2A -cos^2A/sin^2 A. ~tan = sin/cos

(1-cos^2)/sin^2A. ~ take lcm

sin^2A/sin^ A. ~ 1-cos^2A = sin^2A

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3 years ago
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Can someone help me please In the diagram, VWX and XYZ are congruent equilateral triangles, and ∠VXY is 80o. What is the measure
Lelu [443]

Answer:

Step-by-step explanation:

its vwx = xyz

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Which number would make the statement true? (1 point)
Solnce55 [7]

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0.397

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3 0
2 years ago
a washer and a dryer cosr $873 combined. thenwasher cost$ $77 less than the dryer . what is the cost of the dryer.
Hitman42 [59]

Let the dryer cost x.

Then, the washer costs (x-77)

Together, they cost  (x) + (x-77) = 873

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            x = 398

So the dryer costs $398

5 0
3 years ago
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