The answer is A) 1:2, because there are 80 blue marbles and 40 red marbles, (for a total of 120 marbles) and the ratio 40:80 simplifies down to 1:2.
To rearrange you must first simplify
aq-ac=d
add ac to each side:
aq=d+ac
then divide by a:
q=(d/a)+c and this is your answer
Answer:
Question 1: seems all A,B and C are incorrect
Question 2: long = 45/(3*3) =45/9 =5
Answer:243
Step-by-step explanation:
Answer:
see below
Step-by-step explanation:
sqrt(32)
32
4 * 8
2*2 2*4
2 * 2*2
Taking pairs
2*2 2*2*2
2 * 2 with one 2 left over
2*2* sqrt(2)
4 sqrt(2)
Woodrow took a group of 3 instead of pairs when taking square roots