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3 years ago

Which is the better deal?

Mathematics

2 answers:

g100num [7]3 years ago

5 0

It cant be 5. so that narrows down 1 2 and 3.

isnt it obvious? it would be 3.

solniwko [45]3 years ago

4 0

3 dozen cookies for 3.60 dollars

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A president, treasurer, and secretary, all di erent, are to be chosen from a club consisting of 12 people (whose names are I, J,

Ierofanga [76]

Answer:

There are 220 choices

Step-by-step explanation:

Given

$People = 12$

$Selection =3$ (President, Treasurer and Secretary)

Required

Determine number of selection (if no restriction)

This is calculated using the following combination formula:

$^nC_r = \frac{n!}{(n - r)!r!}$

Where

$n = 12$

$r= 3$

So, we have:

$^nC_r = \frac{n!}{(n - r)!r!}$

$^{12}C_3 = \frac{12!}{(12 - 3)!3!}$

$^{12}C_3 = \frac{12!}{9!3!}$

$^{12}C_3 = \frac{12*11*10*9!}{9!3!}$

$^{12}C_3 = \frac{12*11*10}{3!}$

$^{12}C_3 = \frac{12*11*10}{3*2*1}$

$^{12}C_3 = \frac{12*11*10}{6}$

$^{12}C_3 = 2*11*10$

$^{12}C_3 = 220\ ways$

<em>There are 220 choices</em>

8 0

3 years ago

10, 12, 16, 18, 18,20, 20, 24, 28 what is the greatest variability?

Andrei [34K]

I think 28 i'm not sure

8 0

3 years ago

Mr. Park pays $1000 per month in rent. Before depositing his paycheck, his checking account balance was $359.47. After the depos

IrinaVladis [17]

Answer:

Mr Park has enough money to pay his rent.

Step-by-step explanation:

The amount of the monthly rent paid = $1000

The account balance after depositing the paycheck = $1441.33

Now, to pay the rent,account should have more than the rent money $1000

Also, $1441.33 > $1000

⇒ The amount in the bank after depositing the paycheck > The rent to be paid

Hence, Mr Park has enough money to pay his rent.

6 0

3 years ago

Find the perimeter and area of each figure.

ASHA 777 [7]

Answer:

Perimeter = 89mm

area= 528 or 220

Step-by-step explanation:

hope this is useful

3 0

4 years ago

Read 2 more answers

Part A<br> What are the possible outcomes of rolling a six-sided die?

nikdorinn [45]

Answer:

the possible outcomes are :

one (1)
two (2)
three (3)
four (4)
five (5)
six (6)

4 0

3 years ago