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Marianna [84]
3 years ago
8

Perform the operation and write your answer in standard form (a + bi). (−8 − 2i)+ (−4 + 6i)

Mathematics
1 answer:
aleksandrvk [35]3 years ago
4 0

Answer:

-12+4i

Step-by-step explanation:

(-8-2i)+(-4+6i)

-8-2i-4+6i

-12+4i

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The area of a trapezoid field is 480 square m. The distance between two parallel sides is 15 m and one of the parallel sides is
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Answer:

44m

Step-by-step explanation:

area  of a trapezoid = (a+b)* h/2

since the distance between two parallel sides is 15, that would be your height

plug everything in and you get:

480 = (20 + b) *15/2

b = 44

4 0
4 years ago
A researcher at a large company has collected data on both the beginning salary and the current salary of 48 randomly selected e
Stolb23 [73]

Answer:

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3 0
3 years ago
H is between points Q and R. QH=23 and HR=12. What is the length of QR
PSYCHO15rus [73]

Answer:

35

Step-by-step explanation:

Given:

GH = 23

HR = 12

Required:

Length big QR

SOLUTION:

Since H is a point in between points Q and R, points Q, H, R are collinear.

QH = 23

HR = 12

QH + HR = QR (segment addition postulate)

23 + 12 = QR (substitution)

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Therefore, the length of QR is 35

3 0
4 years ago
A square has a diagonal of length 12. Find the length of each side.
White raven [17]

Answer:

3

Step-by-step explanation:

12÷4=3

Hope this will help you!

7 0
3 years ago
If (k-6)(k+2)-(k²-20)=2k+6, whatis tge value of k?​
xxMikexx [17]

K=1/3

simplify each bracket, put all numbers on the left hand side, equal it to 0 and solve for k

7 0
2 years ago
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