Answer:
A) 20 cm
Step-by-step explanation:
V = pi * r^2 * h
500pi = pi * 5^2 * h
500 = 25 * h
h = 20 cm
hopes this helps! <3
Answer:
8.57 miles
Step-by-step explanation:
It is provided in the question that,
<em>Janice drove 360 miles in 6 hours.</em>
<em>Formula to calculate speed = distance / time</em>
Speed at which Janice drove = 360 / 6
= 60 miles/hours
<em>To find, </em>
<em>distance Janice will cover in 7 hours </em>
Distance = speed * time
Distance = 60miles/hour * 7 hours
Distance = 8.57 miles
So the distance Janice travel i 7 hours at 60miles/hr is 8.75miles
Answer: 
Step-by-step explanation:
The area of a rectangle can be found with the following formula:

Where "l" is the length and "w" is the width.
In this case you can identify in the figure given in the exercise that:

You know that the area of that rectangle is the following:

Therefore, knowing those values, you can substitute them into the formula and then you must solve for "x" in order to find its value. You get that this is:
