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PilotLPTM [1.2K]
3 years ago
7

Devin volunteers at Big Pup Rescue. He is mixing up shampoo solution for the dog washing station. He needs 2 cups of shampoo con

centrate for every 9 cups of water. Devin will use 36 cups of water.
How much shampoo concentrate should Devin add to the water to make the shampoo solution?

cups of shampoo concentrate
Mathematics
2 answers:
ch4aika [34]3 years ago
7 0

Answer:

8 Shampoo Concentrate

Step-by-step explanation:

There's a ratio of 9:2 so for every 9 cups of water there's two cups of shampoo concrete.

We'll need 9 multiplied by 4 is 36

so we need to multiply 2 with 4

4 multiplied by 2 is 8

balu736 [363]3 years ago
3 0

Answer:

8. is the answer

Step-by-step explanation:

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erik [133]

Answer:

5x+2y=35

Step-by-step explanation:

Let me know if this is wrong.

8 0
2 years ago
Read 2 more answers
You roll a fair 6-sided die 3 times. What is the likelihood of getting exactly one 4, exactly one 5, or exactly one 6
Whitepunk [10]

Answer:

Depends. Check out the explanation below.

Step-by-step explanation:

Depending on which number you choose, you will have the same chance for each of them. To find out the chance of each of them, you first need to find the denominator, which is 6 because there are 6 sides of a dice. Now, we need to find the numerator. How many sides are we looking at? 1? 2? 3? Depending on how many sides there are, is your probability. So, if there is one side you are trying to find, it would be 1/6. If there are two sides, it would be 2/6 or 1/3. And so on.

6 0
2 years ago
Suppose that the probability of landing an interview after applying for a professional position is 0.13. A job seeker applies fo
andrew11 [14]

Answer:

The expected number of interviews is 3.25.

Step-by-step explanation:

For each person applying for a profissional position, there are only two possible outcomes. Either they land an interview, or they do not. The probability of a person landing an interview is independent of any other person. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The expected value of the binomial distribution is:

E(X) = np

In this problem, we have that:

n = 25, p = 0.13

So

E(X) = np = 25*0.13 = 3.25

The expected number of interviews is 3.25.

8 0
3 years ago
What is 3 multiplied by 3/8 as a mixed number
Vaselesa [24]

Answer:

1 1/8

Step-by-step explanation:

3 * 3/8

9/8

8 goes into 9 1 time

8*1 =8

9-8 =1  so there is 1 left over

The left over goes over the denominator

1 1/8

6 0
3 years ago
Whats the basic ratio for 24:56
viva [34]
Divide both sides by the GCF which is 8, so it is 3:7
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3 years ago
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