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Arada [10]
2 years ago
15

Which one is correct?

Mathematics
2 answers:
Alex2 years ago
8 0

Answer:

720cm^2

Step-by-step explanation:

pls dont report

galina1969 [7]2 years ago
7 0

Answer:

720cm^2

Step-by-step explanation:

i dont think this is right answer

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What is 28% of 140?<br> x = [?] : 140
MaRussiya [10]

Answer:

28% of 140

28%×140

28/100×140

0.28×140

=39.2

5 0
2 years ago
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Two trains leave towns 471 miles apart at the same time and travel toward each other. One train travels 21 miles per hour slower
nadya68 [22]

Let the slower train's velocity be x-21

Let the faster train's velocity be x

We know that the approach speed is the sum of both speeds, so x+x -21= 2x-21.

The approach rate is given by Distance/time = 471/3 = 157mpH

x+x-21=157

2x=157+21

2x=178

x=89mph

The slower train is travelling 89-21 = 68mph

The faster train is travelling 89mph.

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1 year ago
Does combine mean add?
spin [16.1K]
Combine does mean add
7 0
3 years ago
Please help and i’ll mark you brainliest
Aleonysh [2.5K]

idk how to help you sorry :(

3 0
3 years ago
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PLEASE HELP ME AND HURRY TOO NO LIBKS PLEASE I WILL GIVE BRAINLIEST
arsen [322]
First one is denominator, then opposite of denominator.. i would wait for someone else to answer. but i’m pretty sure that’s correct. sorry if it is incorrect.. good luck on the rest of your assessment!!
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