Answer:
You guys have braincells??!!!
Step-by-step explanation:
645 rounded to the nearest tenth is 640, because 5 rounds up.
Good evening ,
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Answer:
4x² + 16x = 4×(x)×(x) + 4×(4)×(x)
= 4x(x+4)
:)
Answer: Maggie used 1 1/2 hours
Elizabeth used: 3 × 1 1/2 = 4 1/2 hours
Step-by-step explanation:
Let the time used by Maggie be x
Since it It takes Elizabeth three times as long as Maggie to clean her room. Elizabeth will use: = 3 × x = 3x
Therefore, x + 3x = 6
4x = 6
x = 6/4 = 1.5 hours
Maggie used 1 1/2 hours
Elizabeth used: 3 × 1 1/2 = 4 1/2 hours
Answer:
Step-by-step explanation:
There are 6 blue marbles and 14 red marbles, so the ratio of blue marbles to red marbles