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3 years ago

PLEASE YALL I NEED HELP WITH EVERYTHING!!

Mathematics

2 answers:

lions [1.4K]3 years ago

8 0

Answer:

what do you mean by everything? do you have any pictures of the questions?

Step-by-step explanation:

Andreas93 [3]3 years ago

7 0

Answer:

I'm not entirely sure how to help-

Step-by-step explanation:

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Dara has to solve 35 math problems for homework. She has completed 14 of them.what fraction of the problems does she have left t

RSB [31]

Answer: 3/5

Step-by-step explanation: thats your answer.

6 0

3 years ago

What percent of the fruit in the breakfast buffet are apples

Afina-wow [57]

Answer:

75%

Step-by-step explanation:

there is 3x+y because of the oranges and apples, there's 4 different fruits so we can say it's 4z. Then 100/4 which is 25, 25 is for oranges and 75 is for apples

3 0

3 years ago

Read 2 more answers

What value is a permutation of n things taken r at a time divided by to get the combination of n things taken r at a time?

Lera25 [3.4K]

Answer:

A. r!

Step-by-step explanation:

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

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

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

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

Permutation of n things taken r at a time

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

Combination of n things taken r at a time:

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

Division:

$\frac{P_{(n,r)}}{C_{n,r}} = \frac{\frac{n!}{(n-r)!}}{\frac{n!}{r!(n-r)!}} = \frac{n!}{(n-r)!} \times \frac{r!(n-r)!}{n!} = r!$

So the correct answer is:

A. r!

5 0

3 years ago

A student playing a board game believes that a standard six sided die is incorrectly weighted. The student thinks that the numbe

nexus9112 [7]

Answer:

Hₐ = P ( 1 ) > 1/6

Step-by-step explanation:

This is the answer because the question is asking you for the "alternative hypothesis" and that means that it's basically asking for the statement that agrees with what is being said.

Since we know that a student believes that he's seeing the number "1" too often, then we must find the equation that agrees with that statement, which is Hₐ = P ( 1 ) > 1/6.

P.S - I took the test and got a 100%.

6 0

3 years ago

Read 2 more answers

Solve the following system of equations. express your answer as an ordered pair in the format (a,b) with no spaces between the n

Rashid [163]

(3,2)
(-2,4)
that makes both equations
16=16
2=2
I hope this is what you were looking for

6 0

4 years ago