Answer:
120
Step-by-step explanation:
multipy 30 by 4 and you should get 120.
You can even do 30+30+30+30 and it will also add up to 120.
Holly would have to climb 92 flights of stairs in the fifth week
Answer:
6*(6^-3)=0.027777 recurring
Step-by-step explanation:
6^0=1
6^-3=0.004629629 recuuring
0.004629629 recurring *6=0.0.02777recurring
Answer:
x = -11
Step-by-step explanation:
6x+185 = 8x+207
substract 8 from both side and you will get
-2x = 22
and then divide by -2 and x will be equal to
x = -11
My understanding is that the 2 angles add up to 180 degrees, so 9x+9y-54=180. Also, 9x=90 and 9y-54=90. 9x=90, so x=10. 9y=90+54. 9y=144. y=16.