AS we know that:

And we have the volume and we can calculate the SA,,,
So that, we can conclude:

Are you
satisfied?
Answer:
1. D
2. x=65
Step-by-step explanation:
Hi!
Your answer is D because 78 is 120% of x
120% in decimal point is 1.2.
So it's 1.2x is the same as 120% of x
For question 8:
1.2x=78
Isolate x by divide 1.2 on both sides
78/1.2=65
Let the width =x
length = 6x
p=14x
28=14x
x=2
Answer:
You times pi by the diameter
first set of answers are
1. 5.1
2 56.5
3 25.1
4 34.5
5 9.4
You times pi by r^2
second set of answers are
1 28.3
2 254.3
3 78.5
4 50.2
5 30.2
Answer:
Yes
No
Yes
and
Yes
Step-by-step explanation:
Sorry if im wrong Happy Holidays