Answer:
20 by 20
Step-by-step explanation:
the new dimensions have to be 12 because 12×12 =144 so you would add 8 to 12 and get 20 for each side
279ft/9sec = xft/1sec
Cross multiply to get
9x = 279 divide by 9
x = 31
31 feet per second
Answer:
.45
Step-by-step explanation:
5.46 is a 12 pack
5.46/12 = .455
Answer: Last Option is correct.
Step-by-step explanation:
Since we have given that
Number of yellow marbles = 8
Number of green marbles = 9
Number of purple marbles = 3
Number of red marbles = 5
So,
Probability that there is atmost one purple marble is given by

Hence, Last Option is correct.
Answer:
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Step-by-step explanation: