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2 years ago

PLEASE HELP WITH MATH ASAP!!!!! ITS DUE IN 10 MINS!!! ILL GIVE BRAINLIEST

Mathematics

1 answer:

stepan [7]2 years ago

3 0

Answer:

D, A, I cannot read the rest of #3, C, C.

Step-by-step explanation:

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Answer choices: A: y=x B: y=1/4x -2 C: y= -x + 7/4 D: y= 7/4x -2

Nuetrik [128]

Answer:

b: y=1/4x -2

Step-by-step explanation:

It says the answer in the question. the slope on the graph is really just 1 though.

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1 year ago

What is a basic ratio for 5:15

enot [183]

5:15
Divide both sides by 5 to get it down to the lowest bases.
1:3

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2 years ago

If multiplying by 1/4 makes a positive number smaller then what does dividing by 1/4 do to the value of the number? Explain your

Free_Kalibri [48]

Hello,

If multiplying by 1/4 makes a positive number smaller then dividing by 1/4 makes the number its being dividing to see how many times 1/4 can be put into that number. For Example,

2 / 1/4 = 8

1/4 can go into 2 eight times!

Hope This Helps!

5 0

2 years ago

A TV studio has brought in 8 boy kittens and 10 girl kittens for a cat food commercial.

kondor19780726 [428]

Answer:

0.323 = 32.3% probability that the director chooses 3 boy kittens and 5 girl kittens.

Step-by-step explanation:

The kittens are chosen without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x sucesses is given by the following formula:

$P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}$

In which:

x is the number of sucesses.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

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.

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

A TV studio has brought in 8 boy kittens and 10 girl kittens for a cat food commercial.

This means that $N = 8 + 10 = 18$

We want 3 boys, so $k = 8$

The director is going to choose 8 of these kittens at random to be in the commercial.

This means that $n = 8$

What is the probability that the director chooses 3 boy kittens and 5 girl kittens?

This is P(X = 3).

$P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}$

$P(X = 3) = h(3,18,8,8) = \frac{C_{8,3}*C_{10,5}}{C_{18,8}} = 0.323$

0.323 = 32.3% probability that the director chooses 3 boy kittens and 5 girl kittens.

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2 years ago

EXPERTS/ACE/TRUSTED HELPERS

Pachacha [2.7K]

M would have a new coordinate of (4,5)

6 0

2 years ago

Read 2 more answers