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:
-7/299
Step-by-step explanation:
362x-63x = -7
299 = -7
x = -7/299
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20+x>70
-20. -20. on both sides to even it out
x>50 is the answer
Answer:
14.4 yards
Step-by-step explanation:
Each shirt needs 0.8 yards so 18 shirts needs 18 * 0.8 = 14.4 yards of material.
I can't answer your question without a picture... Sorry.