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3 years ago

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What is a derivative

1 answer:

S_A_V [24]3 years ago

8 0

In mathematics, the derivative is a way to represent rate of change, that is - the amount by which a function is changing at one given point. For functions that act on the real numbers, it is the slope of the tangent line at a point on a graph.

I'm pretty sure, please give brainliest!

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Plz i need help am i am new an plz help help

Dafna11 [192]

Answer:

5) 64

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6) 2

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Step-by-step explanation:

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3 years ago

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An English teacher needs to pick 1111 books to put on his reading list for the next school year. He has narrowed down his choice

forsale [732]

Answer:

There are 3,659,040 ways he can choose the books to put on the list.

Step-by-step explanation:

There are

12 novels

8 plays

12 nonfiction.

He wants to include

5 novels

4 plays

2 nonfiction

The order in which the novels, plays and nonfictions are chosen is not important. So we use the combinations formula to solve this problem.

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

How many ways can he choose the books to put on the list?

Novels:

5 from a set of 12. So

$C_{12,5} = \frac{12!}{5!7!} = 792$

Plays:

4 from a set of 8. So

$C_{8,4} = \frac{8!}{4!4!} = 70$

Nonfiction:

2 from a set of 12

$C_{12,2} = \frac{12!}{2!10!} = 66$

Total:

Multiplication of novels, plays and nonfiction.

$T = 792*70*66 = 3,659,040$

There are 3,659,040 ways he can choose the books to put on the list.

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3 years ago

Find the vertex of the parabola that represents a function f(x)=(x-5)^2+9

poizon [28]

(5,9) because vertex form is (x-h)^2+k and the vertex is (h,k) so it would be (5,9)

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Answer:

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David lays bricks at a rate of 40 brick per hour.if he has a large job laying 2,400 bricks, how many hours will it take him to f

Alex787 [66]

Answer:

Step-by-step explanation:

60 hours for entire job

divided by 8 hours per day 7 1/2 days

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3 years ago