Answer:
310.23
Step-by-step explanation:
circumference is radius * 2
to get radius from circumference, divide circumference by 2
18.84 / 2 =9.42
area for circle:
pi * r^2
3.14 * 9.94^2
3.14 * 98.8
310.23
Answer:
12 cups of water
Step-by-step explanation:
This question has to do with conversion
We are told that she buy 1 quart and 1/2 gallon of water.
Hence,
1 quart of water = 4 cups of water
1 gallon of water = 16 cups of water
1/2 gallon of water = x
Cross Multiple
x = 1/2 × 16 cups of water
x = 8 cups of water.
Therefore, the total cups of water that she bought = 4 cups of water + 8 cups of water = 12 cups of water
Answer:
if -196 was positive, it could be 14 or -14, but because it is negative, it is considered infinity or unknown
Answer:
First term of the sequence is 
Step-by-step explanation:
Let 
be the first term and 
be the common difference
We have
The sum of the second term and the ninth term of an arithmetic sequence is 
The sum of the third and fourth terms of the same sequence is 
eqn 1 - eq2
Substituting in eqn 1
First term of the sequence is
