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jenyasd209 [6]
2 years ago
8

Perform the operation. -10x^2+9x--6x+4

Mathematics
1 answer:
Anastasy [175]2 years ago
3 0
Try using an app called Symbolab it helps a lot !
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(4x+8)+(2x+20)=90 help me solve this and draw a diagram
Lemur [1.5K]

Answer:

x = 31/3

Step-by-step explanation:

4x+8+2x+20=90

4x+2x+8+20=90

4x+2x+8+20=90

6x+28=90

6x+28-28=90-28

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Sound travels through sea water at a speed of about 1500 meters per second. At this rate, how far will sound travel in 2 minutes
Mariulka [41]

Answer:

180,000 m

Step-by-step explanation:

There are 60 seconds in a minute, so:

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3 years ago
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answer:

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