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Verdich [7]
3 years ago
8

Simplify the expression to a + bi form: (-8 – 9i)2

Mathematics
1 answer:
WINSTONCH [101]3 years ago
7 0

Answer:

-17+144i

Step-by-step explanation:

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A certain forest covers an area of 4900 km². Suppose that each year this area decreases by 7%. What will the area be after 8 yea
RUDIKE [14]

Answer:

area after 8 years is 2156km²

Step-by-step explanation:

Area of forest=4900 km²

decrease in area in 1 year=4900km² × 7%

decrease in area in 1 year= 343km²

decrease area in 8 years=343km² × 8

=2744km²

Remaining area= (4900-2744)km²

=2156km²

Note:If you have any question about it please ask.

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3 years ago
The distance in miles from Mercury to the Sun in scientific notation is 3.6 × 10
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Answer:

wouldnt it be 4.2 ?

Step-by-step explanation:

7 0
3 years ago
Solve five ninths plus four sixths.
Keith_Richards [23]

Answer:

69

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3 years ago
Correct answer will get brainlyiest.<br>TY :)
Harrizon [31]

7m - 3n

m = 3, n = 2

Replace m and n with the appropriate numbers:

7(3) - 3(2)

Multiply both sides:

21 - 6

Subtract:

21-6 = 15

6 0
4 years ago
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I WILL GIVE YOU BRAINLIEST!!!!!
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Answer:

y=x

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The graph is a line

The only function that is a line is

y=x

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3 years ago
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