4:5 = x : 15
let x be blue marbles
4(15) = 5x
x = 12
therefore 12 blue marbles
Idk if X is what you news but here it goes
Answer:
22
Step-by-step explanation:
8762×16 then divide the answer by 6150
3a+.50b=c. C stands for cost. Since each apple is 3 dollars, you do 3 times however many apples there are and same for bananas. There can't be a specific ANSWER because it doesn't tell us how many apples of bananas there are, and it says to choose the expression. If 3a+.50b=c is not there, it's probably 3a+.50b, but they are the same thing.
Answer:
Step-by-step explanation:
For this problem use 3.14 for , and any non-integer answers should be entered as decimals rounded to the hundredths place. Lannon is designing a carnival game for a school event. She has a large wooden square and she needs to cut out a circle from the middle. The circumference of the circle that she plans to cut out is 56.52 inches. What is the radius
The formula for circumference of a circle = 2πr
Circumference = 56.52 inches
r = Circumference/2π
r = 56.52/2π