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Nikitich [7]
3 years ago
7

How do you use percents to solve problems?

Mathematics
1 answer:
nataly862011 [7]3 years ago
8 0
Covert the problem into and equation using formulas
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Ben is studying photography, and he was asked to submit 6 photographs from his collection to exhibit at the fair. He has 15 phot
Anna71 [15]

Using the combination formula, it is found that the photographs can be chosen in 5005 ways.

The order in which the photographs are chosen is not important, hence, the <u>combination formula</u> is used to solve this question.

Combination formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

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

In this problem, 6 photographs are chosen from a set of 15, hence:

C_{15,6} = \frac{15!}{6!9!} = 5005

The photographs can be chosen in 5005 ways.

A similar problem is given at brainly.com/question/25648218

7 0
3 years ago
2 thirds divided by 4
hichkok12 [17]
1/6 or 0.16 in decimal form
3 0
3 years ago
If the principal is $4,500 and the rate of interest is 8%, what is the amount of interest after one year? Formula is I =PRT
emmasim [6.3K]

Step-by-step explanation:

I=?

P= $4500

R=8%=0.08

T=1 year

8%*0.01= 0.08

I=(4500)(0.08)(1)

(4500)(0.08)=360

360*1=360

The interest after one year is $360

7 0
3 years ago
A researcher randomly samples 222 high school students to determine their favorite color and whether or not they played a sport.
Murrr4er [49]

Answer: 36/104

There are 104 students that play sports and only 36 out of 104 students has the favorite color blue, green, or purple.

Step-by-step explanation:

7 0
3 years ago
A store discounts a shirt by 25% and the shirt was 30
spayn [35]
You pay: 22.50 and you save :7.50
5 0
3 years ago
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