The length of a rectangle is twice it’s width. If the perimeter is 60 feet, find the dimensions.
1 answer:
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Just follow this operation.
Find the two perfectly squared factors the multiple to your number.
Take the square root of those perfect factors then multiple them.
Find the two perfectly squared factors the multiple to your number.
Take the square root of those perfect factors then multiple them.
Answer:
He needs 7 more consecutive successful first serves to raise his first serve percentage to 60%.
Step-by-step explanation:
After n consecutive serves, his total number of serves is going to be n+8, since he has already served 8 times. In the best case, his number of successful first serves is n+2.
His percentage of succesful first serves is the division of the number of succesful first serves divided by the total number of serves. So
We want . So
He needs 7 more consecutive successful first serves to raise his first serve percentage to 60%.