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blsea [12.9K]
3 years ago
12

10/6=15/x solve for x

Mathematics
1 answer:
Basile [38]3 years ago
8 0
I believe that x=9. I used cross multiplication. First, I multiplied 6 by 15. Second, I divided this product of 90 by 10. The quotient is 9.
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Start fraction two minus five x over negative three end fraction plus four less than negative x
Charra [1.4K]
2 - 5x
-------     + (-x - 4)
  -3
8 0
3 years ago
Simplify (5 x + 1) - (-10 x + 6)
tekilochka [14]

Answer:15x+7

Step-by-step explanation:

First you would see that the -(-10x+6) would turn into 10x+6 meaning that the whole equation would turn into 5x+1+10x+6. Then add the x numbers together and the whole numbers separate. So now your answer should be 15x+7

8 0
3 years ago
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What is the ratio 15 girls to 6 boys in simplest form?
Alenkinab [10]
5 girls to 2 boys, it’s not asking for boys and girls
4 0
3 years ago
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Convert degree into Radian that is 18 degree 12'​
kiruha [24]

Answer:

\frac{\pi }{10} radians

Step-by-step explanation:

To convert degrees into radians, multiply the degrees with \frac{\pi}{180}.

If you have 18 degrees:

18*\frac{\pi}{180} = \frac{\pi }{10}

4 0
2 years ago
A spherical exercise ball has a maximum diameter of 30 inches when filled with air. The ball was completely empty at the start,
Alex73 [517]

Answer:

A) A(t)  =  4500*π  -  1600*t

B) A(4)  =  7730 in³

C) t  =  8,8 sec

Step-by-step explanation:

The volume of the sphere is:

d max  =  30   r max  =  15 in

V(s) =  (4/3)*π*r³      V(s)  =   (4/3)*π* (15)³

V(s) = 4500*π

A)  Amount of air needed to fill the ball A(t)

A(t)  = Total max. volume of the sphere - rate of flux of air * time

A(t)  =  4500*π  -  1600*t    in³

B) After 4 minutes

A(4)  =  4500*π  - 6400

A(4)  =  14130 - 6400

A(4)  =  7730 in³

C)  A(t)  =  4500*π  -  1600*t  

when  A(t) = 0   the ball got its maximum volume then:

4500*π -  1600*t  =  0

t  =   14130/1600

t  =  8,8 sec

8 0
2 years ago
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