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alexgriva [62]
3 years ago
8

What is the solution for x in the equation? -x + 3/7 = 2x -25/7​

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
4 0

Answer:

x = 4 /3

Decimal Form:

x =  1. 33333 (repeating)

Mixed Number Form:

x =  1  1 /3

Step-by-step explanation:

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4/4 as a decimal is 1.00 because 4/4 is one whole

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2 years ago
Mattie Evans drove 350 miles in the same amount of time that it took a turbo propeller plane to travel 1200 miles. The speed of
frosja888 [35]

The speed of the plane will be equal to 240 Mph.

<h3>What is speed?</h3>

Speed is defined as the ratio of the time distance travelled by the body to the time taken by the body to cover the distance.

Given that:-

  • Mattie Evans drove 350 miles in the same amount of time that it took a turbo propeller plane to travel 1200 miles.
  • The speed of the plane was 170 mph faster than the speed of the car.

The speed of the plane will be calculated as:-

Let the speed of the car will be x mph so the speed of the plane will be

(x + 170)

Now time for the plane:-

Tp = Dp / Sp

Tp = 1200 / (x+170)

Now time for the car:-

Tc = Dc / Sc

Tc = 350 / x

It is given that time taken by both the plane and the car are equal:-

Tp  =  Tc

1200 / x+170 = 350 / x

1200x = 350x +  59500

850x  = 59500

x  =  59500 / 850

x  =  70mph

The speed of the plane will be calculated By:-

Sp = x + 170 = 70 + 170 = 240 Mph

Therefore the speed of the plane will be equal to 240 Mph.

To know more about Speed follow

brainly.com/question/6504879

#SPJ1

4 0
2 years ago
Write the ratio of 42 coins/98 bills as a fraction in the simplest form
rjkz [21]

Answer:

3 coins / 7 bills

Step-by-step explanation:

42c/98b --(:2)--> 21c/49b --(:7)--> 3c/7b

OR

42c/98b ---( : 14 = (2*7))--> 3c/7b

3 0
2 years ago
How many girls are in a group that has 16 boys? Complete the ratio table to solve the problem.
Svetach [21]
Since there are zero girls there are a number of options say 1:0 is an option,2:0 is an option here are the rest. 8:0 4:0 16:0. Hope this helped.
7 0
3 years ago
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