Answer:
169
Step-by-step explanation:
x−2=13
First find the value of x
x-2+2 = 13+2
x = 15
Now substitute into the expression
x^2 -4x+4
15^2 -4*15+4
225 - 60+4
165+4
169
The volume of a cone is (1/3) times 3.14 times the height, and times the radius squared.
-3+7=4 should be your answer
Answer:
5/8 is smaller.
Step-by-step explanation:
A ratio is just a different type of fraction, a 5:8 ratio means 5/8 which is 0.625. A 7:9 ratio equals 7/9 which is 0.777777
Then to compare them you see which is smaller or bigger.
0.77777 is bigger than 0.625 so we know that 0.77777777 which was the 7:9 ratio is the bigger one.
