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Olin [163]
3 years ago
15

(-10x^2-1)+(-8x^2+8x-8) (−10x 2 −1)+(−8x 2 +8x−8)

Mathematics
1 answer:
Anettt [7]3 years ago
4 0

Answer:

804−803+702−1

Step-by-step explanation:

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Natalka [10]

Given : A submarine descends at a rate of 2.6 kilometers per hour.

If the ocean floor is 6.24 kilometers below sea level,

To Find : how long will it take the submarine to descend to the ocean floor?

Solution:

The submarine descends at a rate of 2.6 kilometers per hour.

Speed = 2.6 km/hr

The ocean floor is 6.24 kilometers below sea level,

Distance to be covered = 6.24 km

Time= Distance / Speed

= 6.24 / 2.6

= 2.4 hr

The submarine  will take 2.4 hrs  to  descend to the ocean floor

4 0
2 years ago
222.95+865+.07 +3.4 what is the answer
Leokris [45]

Answer:

the answer is:

1,092.05

8 0
3 years ago
Which object has a capacity that is best measured in pints?
tatiyna

Answer:

I think that it would Because cups is easy then go to pints

Step-by-step explanation:

my thoughts

5 0
3 years ago
Please help?
Sever21 [200]

Answer:

88 feet per second

Step-by-step explanation:

quick maths

3 0
2 years ago
One number is 9 more than twice another number. If the sum of the number is 129, find both numbers.
zlopas [31]

x=2y+9\\ x+y=129\\\\ 2y+9+y=129\\ 3x=120\\ x=40\\\\ 40+y=129\\ y=89

40 and 89

5 0
3 years ago
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