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Vedmedyk [2.9K]
3 years ago
5

How do you solve this

Mathematics
1 answer:
7nadin3 [17]3 years ago
5 0

Answer:

Combine like terms to simplify.

Step-by-step explanation:


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If anyone can help, thanks!
saul85 [17]

Note: This is a perfect application for equations of ratios.


50 40

------- = ------- and so 50x = 1200, or 5x = 120, or x = 24 (miles).

30 x

3 0
3 years ago
Your turn: Use the triangle given. What is the value of sin Θ?
LekaFEV [45]
You can eliminate D right away. The sine is NEVER greater than one. That's because the denominator of the fraction is always the hypotenuse. 

The definition of the sine is 
Sin(x) = Opposite / hypotenuse.
Sin(x) = 10/26 = 5/13 The fraction reduces.

The answer is B
Done.
3 0
3 years ago
One pipe fills a storage pool in 8 hours. A second pipe fills the same pool in 4 hours. When a third pipe is added and all three
steposvetlana [31]
The first pipe fills 1/8 of a pool in one hr.
The second pipe fills 1/4 of a pool in one hr.

(1/8+1/4)2= 3/4 done by the first two pipes in 2 hours.
Therefore the last pipe must do 1 1/4 of the filling in 2 hours, which is 5/8 per hour.

5/8x=1
x=8/5

It takes the third pipe 1 hour and 36 minutes to fill it by itself.
7 0
3 years ago
Rewrite the equation by completing the square.
dlinn [17]

Answer:

(x + 1/2)^2 =  289/4

Step-by-step explanation:

x^2+x-72=0

Write like this:

(x + ___)^2 = ___

put 72 on other side

x^2 + x  = 72

x^ + x  + (1/4) = 72  + (1/4)

(x + 1/2)^2 =  289/4

x + (1/2) =  17/2

8 0
2 years ago
Just to make sure, does this make sense?
Bogdan [553]

Answer:

It makes sense to me but I don't know if anyone else agrees

Step-by-step explanation:

4 0
2 years ago
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