18 red marbles because add the ratio togather which is 5 and divide 90 by 5=18 for 1
Answer:
<h2><em><u>2</u></em></h2>
Step-by-step explanation:
= <em><u>2</u></em><em><u> </u></em><em><u>(</u></em><em><u>Ans</u></em><em><u>)</u></em>
Answer: assuming you want to factor it,
answer is : (3x^2-5)(3x^2+10)
Step-by-step explanation:
no work ?
Answer:
The Box 1 and Box 2 are the same mass.
Explanation:
It caused both to change speed because they have both the same mass.
Answer:
7/14 and 6/14
Step-by-step explanation:
we are trying to find the same denominator for the 2 fractons, so 1/2 times 2 to both sides would be 7/14. and 3/7 times 2 to both sides would be 6/14. (same denominator)