An electrician charges $40 dollars to come to your house. She also charges $55 for each hour that she works. The electricion cha
1 answer:
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Answer:
The given polynomial can have at most 8 roots.
Step-by-step explanation:
Here, the given polynomial is
Now, by <u>FUNDAMENTAL THEOREM OF ALGEBRA:</u>
A polynomial of degree n can have at most n distinct real roots.
Here, the given polynomial is of degree 8. ( highest power of x)
So, by the stated theorem can have at most 8 roots which might or might not be distinct in nature.
11/12 of 7 is simply their product.
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%.