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Dmitriy789 [7]
3 years ago
10

If m= 7x and m = 3x + 20, what is the value of x? a 10 4 7 5

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
5 0
Equate the expressions for m.
  7x = 3x + 20
  4x = 20 . . . . . . . subtract 3x
  x = 20/4 = 5 . . . divide by 4

The value of x is 5.
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At Friday's football game, 1,294 tickets were sold for a total amount of $8,816.00. If each student ticket costs $5.00, and each
NeTakaya

Answer:

512 student tickets.

Step-by-step explanation:

Let x be number of student tickets and y be number of adult tickets.

We have been given that at Friday's football game 1,294 tickets were sold. We can represent this information as:

x+y=1294...(1)

We are also told that each student ticket costs $5.00, and each adult ticket costs $8.00 and 1,294 tickets were sold for a total amount of $8,816. We can represent this information as:

5x+8y=8,816...(2)

From equation (1) we will get,

y=1294-x

Substituting this value in equation (2) we will get,

5x+8(1294-x)=8,816

5x+10352-8x=8,816

-3x+10352=8,816

-3x=8,816-10352

-3x=-1536

x=\frac{-1536}{-3}

x=512

Therefore, 512 student tickets were purchased at Fridays football game.

6 0
2 years ago
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blondinia [14]
I believe the answer is segment FD
4 0
3 years ago
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pioneers are buying mules to trek across the country. each of the 5 wagons require e mules to pull them. write the equation to e
tekilochka [14]

Answer:

d = 5e

Step-by-step explanation:

Number of wagons = 5

Number of miles per wagon = e

Total number of mules = d

Hence, relationship between total mules d needed will be ;

Total mules = number of wagons * Numbe rof mules per wagon

d = 5e

4 0
2 years ago
Decide how each action would affect your credit score.
KengaRu [80]

Answer:

Paying 30 days or more past due could drop your score as much as 100 points.

4 0
3 years ago
3) 14, 9, 20, 5, 17, 13 mean: <br>median: <br>mode: <br>range:​
Korolek [52]

Answer:

mean: 13

range: 15

there is no mode

median: 13.5

Step-by-step explanation:

mean= 14+9+20+5+17+13 = 78

78÷6= 13

range = highest number minus the smallest number

20-5 = 15

the mode is the number that occurs the most

median= 13+14= 27

27÷2 = 13.5

7 0
2 years ago
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