Answer: 6 inches.
Step-by-step explanation:
1. You must use the formula for calculate the area of a circle, which is shown below:
2. You know the area of the circle, therefore, you can solve for the radius, as following:
3. Now, you must substitute the value of the area into the equation above. Then, you obtain the following result:
Answer:
A scientist adds drops of liquid to a test tube. The test tube has marks every ml.
Each drop contains 0.14 mL. Between which two marks on the test tube will the
liquid be after the sixth drop is added?
a. 1/5 and 2/5, between 0.2 and 0.4 mL's
b.2/5 and 3/5, between 0.4 and 0.6 ml's
c.3/5 and 4/5, between 0.6 and 0.8 mL's
d. 4/5 and 5/5, between 0.8 and 1 ml
Answer: 8
Step-by-step explanation:
(2 + x + x) / 3 = 22
2 + x + x = 66
2x = 64
x = 32
The numbers are:
2 32 and 32
(2 + 32 + 32) / 3 = 22
66 / 3 = 22
Correct!!
