Answer:
4π cm = 12.57 cm
Step-by-step explanation:
180 degrees is half of a circle, so the length of the arc is half of the circumference.
length = (2πr)/2 = πr = 4π cm = 12.57 cm
Answer: x=2
Isolate the variable by dividing each side by the factors that don't contain variables.
Answer:
90
Step-by-step explanation:
There are 10 red candies, 18 green candies, 9 yellow candies, and 13 brown candies.
10 + 18 + 9 + 13 = 50.
There is a total of 50 candies. Out of the 50 candies, 18 are green.
You have to get to 250 .That means you do 
250 divided by 50 = 5.
18 x 5 = 90.
Therefore, she can expect 90 green candies
Answer:
t = - 
Step-by-step explanation:
Given
= - 
Multiply both sides by 
t =
× -
← cancel 5 and 10 by 5 and 3 and 12 by 3, leaving
t =
× -
= - 