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Finger [1]
2 years ago
11

Instructions: y varies indirectly with x. If y = 7 when x = -4, find y when a H 2. Use the forward slash (i.e.

Mathematics
1 answer:
WARRIOR [948]2 years ago
6 0

By using the given information about the inverse relation, we will get:

  • Equation: y = -28/x
  • Solution: y = -14

<h3>How to get the relation between x and y?</h3>

First, we know that y varies indirectly with x, then we can write the relation as:

y = k/x.

Where k is a constant.

Then, we know that when y = 7, we have x = -4.

Replacing these we can find the value of k:

7 = k/(-4)

7*(-4) = k = -28

Then the relation between x and y is:

y = -28/x.

Now, we want to find the value of y when x = 2, then we just replace that in the above equation:

y = -28/2 = -14

So we have:

  • Equation: y = -28/x
  • Solution: y = -14

If you want to learn more about indirect variation:

brainly.com/question/6499629

#SPJ1

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4 0
3 years ago
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lbvjy [14]

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4 0
3 years ago
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A survey of UF students asked for their employment status and their year in school. The results appear below.
cestrela7 [59]

Answer:

There is no relationship between your year in school and having a job.

Step-by-step explanation:

In this instance, the chi sq test need to be performed.

Chi sq is used to determine if there is a significant relationship between two categorical variables.

The two variables here are year in school and employment status.

The two variables are independent(no relationship exists)

This implies that there is null hypothesis

Therefore, the Null Hypothesis is

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3 0
4 years ago
Two neighbors, wilma and betty, each have a swimming pool. both wilma's and betty's pools hold 9900 gallons of water. if wilma's
s2008m [1.1K]
To solve this problem we will start by calculating time needed for each of them to fill the pool.

We have formula:
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Or
time = volume / rate

Wilma:
time = 9900 / 900
time = 11h

Betty:
time = 9900 / 500
time = 19.8h

Now we substract these two numbers:
time_difference = 19.8 - 11 = 8.8h

Betty needs 8.8 hours more than Wilma to fill the pool.
3 0
4 years ago
I have no idea how to do this! Please help
kodGreya [7K]
Open tan and then:
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