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dsp73
3 years ago
5

What's the answer for this equation? -2(5x+1)=58+10x

Mathematics
1 answer:
Ad libitum [116K]3 years ago
4 0

Answer:

-3

Step-by-step explanation:

-2(5x+1)=58+10x

=>-10x + -2 = 58 + 10x

=> -10x -10x = 58 + 2

=> -20x = 60

=> x = 60/-20

=> x = -3

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Mark had 14 problems wrong on his test. his score was 72% correct. how many problems were on the test?
ella [17]
Let x = number of problems on test
If he got 14 wrong, then x - 14 is the number correct.
\frac{x-14}{x} = .72

x - 14 = .72x
.28x - 14 = 0
.28x = 14
x = 50

The test consisted of 50 problems.
4 0
3 years ago
A map uses a scale of 1 in :20mi. Find the the actual distance of 5.5 inches on the map. help me​
astraxan [27]

Answer:

110

Step-by-step explanation:

5.5 x 20 = 110

4 0
2 years ago
According to the histogram of travel times to work from the US 2000 census (Page 6 of "Journey to Work: 2000"), roughly what per
erastovalidia [21]

Histograms are used to represent data, where the length of each bar represents the frequency of the data element

The histogram is not given; So, I will give a general explanation.

Assume that the number of commuters that travel more than 45 minutes is 450, while the total number of commuters surveyed is 500.

The percentage of commuters that travel more than 45 minutes is the quotient of the commuters that travel more than 45 minutes and the total number of surveyed commuters.

So, we have:

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Read more about histograms at:

brainly.com/question/2776232

7 0
2 years ago
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liubo4ka [24]

Answer:

Paste is the answer if I remember

7 0
3 years ago
Read 2 more answers
James has read 1/8 of a book eric has read 1/3 of the same book what fraction more of the book has eric read than james
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3 0
3 years ago
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