Answer:
I am not sure, but I am sure that D is true
Step-by-step explanation:
Answer:
A = about 62.82
Step-by-step explanation:
A=lw+l(w/2)2+h^2+w(l/2)2+h^2=4·4+4·(4/2)^2+5.5^2+4·(4/2)^2+5.5^2≈62.82
Hi there! To find the answer, we need to try out the numbers. 3 * -3 is -9 + 0 is -9. -9 < -8. A is out. 3 * -2 is -6 + -1 = -7. -7 > -8. B works. Score! But wait. 3 * 0 is 0 + 10 is -10. -10 < -8. C is out. 3 * 2 is 6 + -16 is -10. -10 < -8. The answer is B: (-2, -1).
Answer:
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Recall that
Angle is acute, which means its measure is between 0 and 90 degrees. For , we have , so we should take the positive root. Then