Answer:
C
Step-by-step explanation:
Given
![\sqrt[4]{81y^{12} }](https://tex.z-dn.net/?f=%5Csqrt%5B4%5D%7B81y%5E%7B12%7D%20%7D)
= ![\sqrt[4]{3^{4} }](https://tex.z-dn.net/?f=%5Csqrt%5B4%5D%7B3%5E%7B4%7D%20%7D)
= 3y³ → C
Answer:
40 mph
Step-by-step explanation:
If the speed increased by 20%, now the speed is 120% of the original speed.
48 mph is 120%, so dividing by 6 will get 8 which is 20%.
If 8 is 20%, you can multiply it by 5 to get 40, which is 100%. This means 40 mph is the original speed.
Hope this helps!
The value of the 5 in 58 is 50
the value of the 8 in 58 is 8
50 + 8 = 58
Answer:
4.47
Step-by-step explanation:
4^2+b^2=6^2
16+b^2=36
-16. -16
√b^2=√20
b=4.47
