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skelet666 [1.2K]
3 years ago
15

One, no, or infinitely many solutions?

Mathematics
1 answer:
erastovalidia [21]3 years ago
3 0

Answer:

One solution

x = 3

Step-by-step explanation:

3x + 5 + 6x - 7 = 25

combine like terms:

9x -2 = 25

add 2 to each side of the equation:

9x = 27

divide both sides by n9:

x = 3

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Sarah was thinking of a number. Sarah halves it and gets an answer of 46.5. What was the original number?
777dan777 [17]

Answer:

93

Step-by-step explanation:

If she halves it she divided it by 2. So, all you have to do is reverse that procss by multiplying by 2. I hope this helps :)

6 0
2 years ago
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A car is traveling at a steady speed. It travels 1 and one half
OLga [1]

Step-by-step explanation:

1.5 mi = 2 and 1/4 min

In 43 minutes:

43 ÷ 2.15 = 20             2.15 = 2 and 1/4 min

Now you have to multiply 1.5 by 20

1.5 x 20 = 30

In 1 hour (60 minutes):

60 ÷ 2.15 = 27.9

Now you have to multiply 1.5 by 27.9

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Hope this was helpful :)

6 0
3 years ago
Margo is practicing her free throws for basketball
kipiarov [429]

Answer:

16

Step-by-step explanation:

Well if you think about it, if she has a total of 10 attempts she has to make 8 of them to make it on the team. Now the total attempts is double so we double the number of throws she needs to make in order to make the team so to do this we would do 8*2 which is 16. She needs to make 16 throws to make it on the team.

5 0
3 years ago
Pueden responder rápido por favor? tengo hasta las 10 :v
Marina CMI [18]

Answer:

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8 0
3 years ago
The wheels of a monster truck are 66 inches tall. Find the distance the monster truck travels when the tires make one 360-degree
LuckyWell [14K]

Answer:

<u>207.35 inches</u>

Step-by-step explanation:

The wheel is in the shape of circle. The height, here, basically gives the diameter.

So,

Diameter = 66 in

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Now, the distance truck travels when 1 rotation is made is the length of the perimeter of the circular wheel, or the circumference.

The formula is:

C=2\pi r

Where C is circumference

r is the radius

Substituting, we get the answer as:

C=2\pi r\\C=2\pi (33)\\C=66\pi\\C=207.35

The distance covered is about <u>207.35 inches</u>

3 0
3 years ago
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