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ohaa [14]
3 years ago
10

Need help on 18 please!!!!!!

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
3 0

Answer:


Step-by-step explanation:

There has to be more to the question, anything?


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Let f(x) = x2 – 4, x < 0. What is f-1?
Galina-37 [17]

Answer:

-3

Step-by-step explanation:

f(x) = x2 – 4

replace x with -1

f(-1) = (-1)^2 – 4

= -3

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Sten sat on a bench and read a book while Manu was at soccer practice. He read for 35 minutes and stopped at 6:10 p.m.
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5:35

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Answer:

16x⁶y⁸|y³z|.........

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11x+4y=-46<br> 7x-4y=10 <br> Find x and y
UNO [17]

Answer:x=-2 y=-6

Step-by-step explanation:

11x+4y=-46..........(1)

7x-4y=10..............(11)

Add (1) and (11)

11x+7x+4y-4y=-46+10

18x=-36

Divide both sides by 18

18x/18=-36/18

x=-2

substitute x=-2 in (11)

7x-4y=10

7(-2)-4y=10

-14-4y=10

Collect like terms

4y=-14-10

4y=-24

Divide both sides by 4

4y/4=-24/4

y=-6

3 0
3 years ago
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