-3+5x(-3)-3=0. So -3 is the answer
Answer:
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Step-by-step explanation:
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Answer:
The distance between the opposite corners is 126.49 yards.
Step-by-step explanation:
40 to the power of 2 + 120 to the power of 2 = C to the power of 2
1600 + 14400 = C to the power of 2
16000 = C to the power of 2
C = 126.49 yards
Use simultaneous equations:
2x + 7 = x^2 + 8x - 9
7 = x^2 + 6x - 9
16 = x^2 + 6x
+ or - 4 = 7x
answer is
-4/7 or 4/7