Answer:
a
Step-by-step explanation:
The circumference (C) of a circle is calculated as
C = 2πr ( r is the radius ) , then
C = 2π × 20 = 40π
Answer:
Step-by-step explanation:
1k +9 > 30
1k +9 -9 > 30 -9
1k > 21
k > 21
Answer:
It has 10 three-point questions and 14 five-point questions
Step-by-step explanation:
Substitution (look it up it takes a long time to explain lol)
1 - (1/4 + 2*1/4)
1 - 3/4
1/4 of the living room still remains unpainted.
Take the fraction. Divide the top number by the bottom number. (That's what a fraction means.). Some fractions will produce a decimal that goes on and on and never ends. Some fractions produce a decimal that ends. Some examples that make repeating decimals are: 1/3, 1/7, 1/9, 1/11.