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Afina-wow [57]
4 years ago
12

Given 3x + 1 = -14 prove x = -5

Mathematics
1 answer:
Eva8 [605]4 years ago
3 0

3x+1=-14

x=-5

Subtract 1 from both sides.

3x=-15

Finally, divide both sides by 3 to get rid of 3x.

x=-5

Therefore, we have proved that x=-5.

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Brenden Read 3/4 of a book that was 7/8 inches thick. How much of the book, in inches, did he read?
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Answer:

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Step-by-step explanation:

To find how much 3/4 of a number is, multiply 3.4 by the number. Since the book is 7/8 inches thick, Brenden read 3/4 * 7/8.

To multiply fractions, multiply straight across numerator and denominator.

3/4 * 7/8 = 3*7/ 4*8 = 21/32

7 0
3 years ago
ACT help!!
DaniilM [7]

g) c=1.98w is your answer

w = weight = 5.5

c = cost = 10.89

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10.89 = 10.89 (true)

hope this helps

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3 years ago
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3 years ago
If a sprinkler waters 1/15 of a lawn in 1/5 of an hour, how much time will it take to water the entire lawn?
GaryK [48]

Answer:

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Step-by-step explanation:

To solve this we can first find out how many minutes is 1/5th of an hour which is: 12 mins.

Now we know it will take 15 sets of 12 minutes to water the full lawn so we can multiply 15*12 to get our answer.

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Now we divide 180 (minutes) by 60 (minutes) to find out how many hours that is:

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Hope this helped! If possible please leave a thanks so I can continue to help out others :),

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5 0
3 years ago
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I think it cost $390
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