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ratelena [41]
2 years ago
10

Twice the sum of a certain number and 73 is 156

Mathematics
1 answer:
sleet_krkn [62]2 years ago
8 0
X= a number

Twice the sum of a number (x) plus 73 equals 156.

EQUATION:
2(x + 73)= 156

Not sure if you need to solve it too, but here's how to solve:

2(x + 73)= 156
multiply 2 by all in parentheses

(2*x) + (2*73)= 156
2x + 146= 156

subtract 146 from both sides
2x= 10

divide both sides by 2
x= 5

The missing number is 5.

CHECK:
2(x + 73)= 156
2(5 + 73)= 156
2(78)= 156
156= 156

Hope this helps! :)

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Dima020 [189]

Answer:

P.E.M.D.A.S

P: parenthesis

E: exponent

M: multiplication

D: division

A: addition

S; subtraction

the question E: Addition and subtraction

the question F: Multiplication and division

5 0
3 years ago
Nathan read 2 books in 10 months. What was his rate of reading in books per month
Novay_Z [31]
<h2>Answer:</h2><h2>The rate of reading a book per month = \frac{1}{5} = 20%</h2>

Step-by-step explanation:

Nathan read 2 books in 10 months.

The time taken to complete 1 book = \frac{10}{2} = 5 months

To complete 1 book it takes 5 months.

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4 0
3 years ago
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Serggg [28]

Answer:

5

Step-by-step explanation:

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3 0
3 years ago
The city planning committee wants one tree planted every 20 ft along Dayton Ave. if the perimeter of the plot of land is 234 ft
Vladimir [108]

Answer:

2 trees

Step-by-step explanation:

Since the city is planting a tree every 20 feet across Dayton Avenue, then we need to find the length of the side that is on Dayton Avenue.

We are missing 3 sides to this. But it's extremely important to note that the side adjacent to Dayton Avenue is the same length as the other missing two sides combined. This is because both of these lengths contain the 1 feather and 2 feather mark - these signify congruence.

This means that the side lengths of both of them combined will be 234-52-68=114

This means the side adjacent to Dayton Avenue is

114\div2=57 feet long.

Now that we know that the side is 57 feet long, we have to divide this by 20, as a tree is being placed every 20 feet. If we get a decimal, we will have to round down because it gets planted only, and only if, 20 more feet has been accomplished. If we are a fraction of the way there, a tree doesn't get planted.

57\div20=2.85

Rounding down gets us 2.

Hope this helped!

3 0
3 years ago
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What is the value of t?<br> 37°
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Answer:

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