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Troyanec [42]
3 years ago
7

Eight more than 3 times a number

Mathematics
2 answers:
Sladkaya [172]3 years ago
7 0

Answer:

3x + 8

Step-by-step explanation:

Alex17521 [72]3 years ago
4 0

Answer:

3x + 8

Step-by-step explanation:

  • The number is getting multiplied by 3 and then is getting added by 8.
  • We can not solve for x because there is no excat sum.
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A store sold 50 copies of a magazine for $150. Each copy of the magazine costs the same. Which equation and set of ordered pairs
Goryan [66]

Answer:

Option a. Y=3x

Step-by-step explanation:

Let us use cross multiplication method.

Let the cost of 1 magazine be x.

No. of copies                               Cost

1)50                                                $150

2)1                                                      x

50x=150 x 1               equation(1)

x=150/50

x=$3

Now see equation (1),

150=50x

150=50 x 3

Here let us represent the cost as y and no. of copies as x.

Y=3x

Therefore, a. Y=3x is the right answer.

Thank you!

                                             

8 0
3 years ago
Laticia randomly selected 25% of the seventh grade students in her school and asked them their favorite season. Of the students
Marysya12 [62]
I would say 75 or 150
 Do u know how many students are in her school?
4 0
2 years ago
4.07, 4.070, 4.70, 4.0700 what value is not equivalent.
larisa [96]
4.70, all the others can be simplified to 4.07 by taking away the zeroes after the 7 because they are not significant, The one before the 7 stays because it is significant as it is holding the tenths place value.
5 0
3 years ago
Read 2 more answers
-8x+4y=28 solve for y
olga55 [171]
This is how I would do it:
-8x=28-4y divide the entire equation by 4
-2x=7-y Put y back on the left and put x on the right 
y=7-2x.
8 0
3 years ago
Read 2 more answers
Help help help help math math
omeli [17]
<h3>Answer:</h3>

5

<h3>Solution:</h3>
  • First, n*7 can be written as 7n.
  • Then, 7*5 is equivalent to 35.
  • So we have
  • 7n=35
  • In order to find the value of n, we need to divide both sides by 7:
  • n=5

Hope it helps.

Do comment if you have any query.

6 0
2 years ago
Read 2 more answers
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