4x^2 - 30 = 34
4x^2 = 34 + 30
4x^2 = 64
x^2 = 64/4
x^2 = 16
x = sqrt 16
x = -4 and 4......E and F
Answer:
11r²-4r-3
Step-by-step explanation:
soo,, now firstly change the signs of 2nd expression
so,
9r²+5r-11+2r²-9r+8
now
we will combine the same terms like , see next step
9r²+2r²+5r-9r-11+8
11r²-4r-3
Answer:
9369
Step-by-step explanation:
Answer:
27 t-shirts
Step-by-step explanation:
First, set up an equation. Using T as the unknown number of t-shirts, we see:
50 + 3T = 131
3T = 81
T=27 t-shirts
Hope that helps!
