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qwelly [4]
4 years ago
7

Please help is due at 8:00 pm

Mathematics
1 answer:
tester [92]4 years ago
3 0

Answer:

Answer is C

Step-by-step explanation:

Please mark brainliest if I helped!

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pav-90 [236]

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5 0
3 years ago
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URGENT!!!
Makovka662 [10]

Answer:

Train A - 50 miles per hour

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Step-by-step explanation:

Let x mph be the speed of the train B, then the speed of the train A is (x+20) mph.

In 3 hours,

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In total, they covered the distance of 240 miles, so

3(x+20)+3x=240\ \ \ \text{[Divide by 3]}\\ \\x+20+x=80\\ \\2x=80-20\\ \\2x=60\\ \\x=30\ mph\\ \\x+20=30+20=50\ mph

8 0
3 years ago
Which equation is equivalent to the formula below?
ehidna [41]

Answer:

B-is correct

Step-by-step explanation:

y=a(x-h)^2+k

-k               -k

y-k=a(x-h)^2

:(x-h)^2    :(x-h)^2

(y-k)/(x-h)^2 =a

3 0
4 years ago
Mr johnson sells erasers for 3 dollars each he sold 96 erasers last week and he sold 204 erasers this week about how many more m
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$324 more this week. (204*3) - (96*3)
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Find the X and Y intercepts of the graph x + 3y = 13​
Luden [163]

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Step-by-step explanation:

5 0
3 years ago
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