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3 years ago

Can someone please help me?

Mathematics

1 answer:

Molodets [167]3 years ago

6 0

Sure thing!
So, because the pizza was $16 and the price was split among two people, that means Jae spent $8 on the pizza.

Jae spent $48 total (both Jet Ski and Pizza), so subtract $8 from that to get the amount he paid for the Jet Ski: $40

Now, since the rental fee was divided evenly among n amount of friends, divide $120 by $40 (120/40) and your answer should be 3.
n = 3
There were 3 friends who split the rental fee of the Jet Ski.

Hoped this helped!

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Write 25*24*23*22 as a quotient of factorials and as a permutation

Kipish [7]

Answer:

(a)

$25\times 24\times 23\times 22=\frac{25!}{21!}$

(b)

$25\times 24\times 23\times 22=P(25,4)$

Step-by-step explanation:

Quotient of factorials:

we are given

$25\times 24\times 23\times 22$

we can multiply top and bottom term by 21!

$25\times 24\times 23\times 22=\frac{25\times 24\times 23\times 22\times 21!}{21!}$

we can write as

$25\times 24\times 23\times 22=\frac{25!}{21!}$

As a permutation:

we know permutation formula

$P(n,r)=\frac{n!}{(n-r)!}$

now, we can compare and find 'n' and 'r'

$n=25$

$n-r=21$

we can plug back n=25

$25-r=21$

$r=4$

so, we can write

$25\times 24\times 23\times 22=P(25,4)$

5 0

3 years ago

Determine if each statement about the relation {(3,7),(5,1),(6,4),(2,5)} is true or false.

s2008m [1.1K]

Answer:

a. true

b. true

c. True

Step-by-step explanation:

a. The domain of a relation includes all possible set of data that are the x-values. Therefore, the domain of the relationship given would be: {2, 3, 5, 6}.

a is True.

b. The range includes all corresponding y-values. Therefore,

Range would be {1 4, 5, 7}

b is Tire.

c. There's 5 on both range and domain.

c is hungry.

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What is the probability that two phones of each type are among the first six serviced?

prisoha [69]

2/6 = 1/3
The Answer is 1/3

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Kamila [148]

Answer:

21 inches answer F

Step-by-step explanation:

x+6+2x-2+2x+6=85

5x+10=85

5x=75

x=15

shortest is x+6

15+6

21.

Hope this helps plz hit the crown :D

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What is the radical expression that is equivalent 275

Katena32 [7]

Answer:

I have written 275 in 5 different ways I hope it helps plz Mark me brainliest

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