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krok68 [10]
3 years ago
12

I need the answer for this question I’m stuck

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
4 0

i(-5i + 6) + 8(3 + 7i)

= -5i^2 + 6i + 24 + 56i

= 5 + 24 + 62i (because -i^2 = 1)

= 29 + 62i

Answer is C.

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Anestetic [448]

Answer:

44

Step-by-step explanation:

because you just 22 x 22 and you get 44

6 0
2 years ago
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Question: A square with sides of length 5 is positioned inside a square with sides of length 7. What is the total area between t
Sergio [31]

Answer:

The total area between the squares is of 24 units squared.

Step-by-step explanation:

Area of a square:

The area of a square of side length l is given by:

A = l^2

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The area between two figures is the area of the larger figure subtracted by the area of the smaller figure.

Larger square:

Square with side of length 7. So

A_l = 7^2 = 49

Smaller square:

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A_s = 5^2 = 25

What is the total area between the squares? ​

T = A_l - A_s = 49 - 25 = 24

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6 0
3 years ago
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Schach [20]
<span>D. Regular polygon.

</span>A polygon that has all sides the same measure and all angles the same measure is called Regular polygon.

Hoped I helped!
8 0
3 years ago
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Anton [14]
Company A
Income = 35,000 + 0.03x

Company B
Income = 25,000 + 0.05x

set them equal to see how much of sales Julia needs to make the same income at both companies.

30,000 + 0.03x = 25,000 + 0.05x
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So it's the 2nd choice.
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3 0
3 years ago
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