Answer:
A. 87
B. i dont uderstand velocily sorry
Step-by-step explanation:
3*a=3*17=51
4*b=4*9=36
51+36=87
300-3x=33
Subtract 300 on both sides.
-3x=-273
Divide both sides by -3.
x=91
I hope this helps!
~kaikers
Answer:
x
=
±
√
21
Explanation:
To find
x
2
you have to find the square root of
21 x = ± √ 21 ≈ ± 4.5286
Step-by-step explanation:
First you have to isolate one of the equations for y=mx+b.
Then substitute the equation is made into the first equation