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3 years ago

Kareem put 5 carrot sticks on each of 8 plates. He had 4 carrot sticks left over. How many carrot sticks does he have?

Mathematics

2 answers:

posledela3 years ago

7 0

44
i think and hope in sorry if its wrong i do my best at very thing

Strike441 [17]3 years ago

5 0

If they placed 5 on each 8 plates that = 40. Therefore, they started off with 44 if they have 4 left over.

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Banana split = $3

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Step-by-step explanation:

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Answer:

s = 10

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4 men and 6 women are ranked according to their scores on an exam. Assume that no two scores are alike, and that all 10! 10 ! po

anygoal [31]

Answer:

a) $P(X=2)=\frac{2}{15}$

b) $P(X=3)=\frac{1}{30}$

c) P(X=6)=0

d) P(X=9)=0

Step-by-step explanation:

We know that are 4 men and 6 women are ranked according to their scores on an exam. X = 1 indicates that a man achieved the highest score on the exam.

a) We calculate P(X=2).

We calculate the number of possible combinations

$C^{10}_{2}=\frac{10!}{2! (10-2)!}=\frac{10\cdot 9\cdot 8!}{2\cdot 1 \cdot 8!}=45$

We calculate the number of favorable combinations

$C_2^4=\frac{4!}{2!(4-2)!}=6$

We get that is

$\boxed{P(X=2)=\frac{6}{45}=\frac{2}{15}}$

b) We calculate P(X=3).

We calculate the number of possible combinations

$C^{10}_{3}=\frac{10!}{3! (10-3)!}=\frac{10\cdot 9\cdot 8\cdot 7!}{3\cdot2\cdot 1 \cdot 7!}=120$

We calculate the number of favorable combinations

$C_3^4=\frac{4!}{3!(4-3)!}=4$

We get that is

$\boxed{P(X=3)=\frac{4}{120}=\frac{1}{30}}$

c) We calculate P(X=6). This case is not possible because 6 men cannot be selected because we have been given 4 men.

We conclude P(X=6)=0.

d) We calculate P(X=9). This case is not possible because 9 men cannot be selected because we have been given 4 men.

We conclude P(X=9)=0.

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3 years ago