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bearhunter [10]
4 years ago
13

2. Solve the following system of equations using substitution.

Mathematics
1 answer:
SOVA2 [1]4 years ago
4 0
First, make sure you convert both equations into standard form. Your two equations would be 2x+2y=38 and -x+y=3. Then multiply the bottom by 2. So your new equations would be 2x+2y=38 and -2x+2y=6. The x would cancel out and you would continue solving for y. y would equal 11 and then you would plug it back into an original equation. When you plug and solve for x, you would get x=8. So your answer would be (8,11)
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An airplane is flying at a velocity of 500 miles per hour due north when it encounters a wind blowing out of the west at 50 mile
Y_Kistochka [10]
V 1 = 500 mph,
v 2 = 50 mph
The resultant velocity:
v r² =  v 1 ² + v 2 ²
v r ² = 500² + 50² = 250,000 + 2,500 = 252,500
v r = √252,500 = 502.49378 ≈ 502.49 mph
Answer: the magnitude of the resultant velocity is 502.49 mph.

5 0
3 years ago
Help please I'd really appreciate it thank youuuuu​
viktelen [127]

75

pls mark brainliest if it helped!

6 0
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drek231 [11]

Answer:

A

Step-by-step explanation:

Hope this helps!

:)

brainliest?

6 0
3 years ago
Can someone please check my answers to see if they are correct??!!!
vekshin1
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4 0
3 years ago
Read 2 more answers
Helpppp plssssss: ))))
olga_2 [115]

Answer:

C

Step-by-step explanation:

Since its a filled in circle it also includes people that are 48 inches tall to ride.

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