Answer:
Step-by-step explanation:
the sum of angles in a triangle is 180 degrees
18 + 72 + X = 180
90 + X = 180
X = 180 -90
X = 90
About 6.5 I believe, I looked it up and a gross was a total of 144 of something, also known as a dozen dozen.
To find the approximate volume of the volcano, you will use the formula for finding the volume of a cone.
V = 1/3 x pi x r^2 x h
1/3 x 3.14 x 8^2 x 1.95
V = 130.624
The approximate volume of the volcano is 131 cubic kilometers.
Answer:
The percent error was 115% .
Step-by-step explanation:
It's ez u can do it on a calculator.
Y=30x+18
well if he didn't deliver to any houses he would be paid 18$.
