3 years ago

The function f(x) = 2.5% can be used to represent the curve through the points (1, 10), (2, 50), and (3, 250). What is the

Mathematics

1 answer:

Nana76 [90]3 years ago

7 0

The answer would be 10

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Step-by-step explanation:

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What do you mean by "reasoning" if you mean by doubling you just keep adding till you get the sum.

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creativ13 [48]

Correct Answer:

C. 6 cm

Work:

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3 years ago

How many ways can a committee of five be chosen from 120 employees to interview prospective applicants.

REY [17]

Answer:

190578024 ways.

Step-by-step explanation:

We are asked to find the number of ways in which a committee of 5 be chosen from 120 employees to interview prospective applicants.

We will use combinations to solve our given problem.

$_{r}^{n}\textrm{C}=\frac{n!}{(n-r)!r!}$ , where,

n = Total number of items,

r = Number of items being chosen at a time.

Upon substituting our given values in above formula, we will get:

$_{5}^{120}\textrm{C}=\frac{120!}{(120-5)!5!}$

$_{5}^{120}\textrm{C}=\frac{120!}{115!*5!}$

$_{5}^{120}\textrm{C}=\frac{120*119*118*117*116*115!}{115!*5*4*3*2*1}$

$_{5}^{120}\textrm{C}=\frac{120*119*118*117*116}{5*4*3*2*1}$

$_{5}^{120}\textrm{C}=\frac{120*119*118*117*116}{120*1}$

$_{5}^{120}\textrm{C}=\frac{119*118*117*116}{1}$

$_{5}^{120}\textrm{C}=\frac{190578024}{1}$

Therefore, the committee of five can be chosen from 120 employees in 190578024 ways.

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4 years ago

Spencer spent four hours doing chores over the weekend. If he spent 2/3 of an hour for each chore how many chores did he do?

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6 chores (because 4 hours is 240 minutes and 2/3 of an hour is 40 minutes, so you would divide them. Then you would get 240 divided by 40 and the answer would be 6. So Spencer would have done 6 chores)

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3 years ago