Answer:
you need to tell us what error she made first then you would find another way to solve the problem and look at all the posiibiltys
Step-by-step explanation:
Answer:
1.98
Step-by-step explanation:
sin(26) = EF/4.5 -->
.44 = EF/4.5 -->
.44 * 4.5 = EF -->
1.98 = EF
The surface area of the cube is 600cm^2.
6(10^2)
6(100)
600
Answer:
c i think
Step-by-step explanation:
not sure
Let's denote Cindy's age which is unknown with X
We know that Cindy's age is 3 times her age 6 years ago.
6 years ago Cindy's age was the present age (X) - 6 : X-6
The fact that the present age is 3 times her age 6 year ago can be written as:
3*(X-6)
So, finally:
X=3*(X-6)
