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gulaghasi [49]
3 years ago
15

25 less than 3 times a number is 38. What is the number?

Mathematics
1 answer:
Nookie1986 [14]3 years ago
7 0

You would set up the problem like this: 3n-25=38

To solve for n:

3n-25=38

   +25 +25          (Add 25 to both sides)

3n=63

/3   /3                  (Divide by 3 on both sides)

n=21

The answer is 21.

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Whitch numbre produces a rational number when multiplied by 1/3 ?
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Answer:

Step-by-step explanation:

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4 0
2 years ago
the length of a rectangle is 5 inches more than the width the perimeter is 70 inches what is the length
nadezda [96]

The sum of length and width is half the perimeter, so is (70 in)/2 = 35 in. Since this is the sum of length and width, if we add 5 inches, it will be twice the length. That is ...

... length + width = 35 in

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... 2×length = (35 in) + (5 in) = 40 in


The length of the rectangle is 20 inches.

4 0
3 years ago
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Answer:

x= 4/3

Step-by-step explanation:

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-x= 2x-28/7

simplify

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3 0
2 years ago
The stem-and-leaf plot lists the ages of people in a movie theater. How many people in the movie theater are over the age of 30?
Mumz [18]
Given:

Stem     Leaf
1            6
2            5, 6
3            8, 
4            0, 0, 0, 4
5    
6            7

There are 6 people who are over the age of 30.
Their ages are 38, 40, 40, 40, 44, and 67
5 0
3 years ago
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Write an inequality to represent: I have at least two brothers.
GuDViN [60]
X<span>≥2 where x equals your number of brothers</span>
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