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Elina [12.6K]
2 years ago
9

PLS HURRY AND DONT SENT LINKS

Mathematics
1 answer:
VMariaS [17]2 years ago
5 0

Answer: D, 6 + 8

Step-by-step explanation:

A negative plus a negative always equals a positive. So -(-8) would be +8.

A is incorrect since the 6 was never negative.

B is incorrect since both numbers are negative.

And C is incorrect since the 8 isn't supposed to be negative.

Thank you for the points. Have a nice day.

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The perimeter of a rectangular deck is 4 times its width. If the deck's perimeter is 30 feet, what is the deck's area?
RSB [31]

Answer:

i think it is 120

Step-by-step explanation:

4 multiplied by 30 is 120

4 0
3 years ago
If f(a)=4a-5 what is f(3)-f(1.25)
ladessa [460]

Answer:

f(a)=4a-5

1:    a=  -5  / f−4

f(3)-f(1.25)

2:   1.75f

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
How to solve this problem
Arisa [49]
First, you solve the square root:

9+ \sqrt{-4}

Knowing that the square root of a negative number doesn't exist:

9+ \sqrt{-4}
9+2i is your answer.


Hope it helped,

Happy homework/ study/ exam!


4 0
3 years ago
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Answer:

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4x = 15 - 2

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x = 13/4

x = 3.25

5 0
3 years ago
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Answer:

uygjhuz6ds656d7dd7d7d8d7

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