C) (esther?) The orbal velocity is constant.
If it weren't constant, we wouldn't be revolving around the sun at all times, would we? :)
Answer:
x = 36.5
Step-by-step explanation:
The two triangles are similar so we can use the similarity ratio to find x
AB ~ DE and BD ~ BA
15/31 = x/(x+39) cross multiply expressions
31x = 15x + 585
31x - 15x = 585
16x = 585 divide both sides by 16
x = 36.5 approximately
Answer:
66
Step-by-step explanation:
Answer:
Yes, the number is 9.
Step-by-step explanation:
81 is 9², and 90 is their sum.