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Arada [10]
2 years ago
9

A larger number is double the sum of 3 and a smaller number. The larger number is 2 less than 3 times the smaller number. If y r

epresents the larger number and x represents the smaller number, which equations model the situation? Check all that apply.
Mathematics
2 answers:
Ksenya-84 [330]2 years ago
7 0

Answer:

y = 3x -2

3x - y = 2

y = 2(x + 3)

Step-by-step explanation:

That’s what it is on Edge, hope I helped :D

il63 [147K]2 years ago
6 0

Answer:

y=2(3+x)

y=3x-2

Step-by-step explanation:

From the first statement we get:

y=2(3+x) <em>this says that the larger number y is double the sum of 3 plus smaller number.</em>

From the second statement we get:

y=3x-2 <em>this says that that the larger number is 2 minus 3 times the smaller number.</em>

<em>thus we have</em>

<em> </em>y=2(3+x)

y=3x-2

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Graphs which present the values on the horizontal axis and the number of times this occurs on the vertical axis are known as wha
Ivanshal [37]

Answer:

The horizontal axis represents TIME

Step-by-step explanation:

In a time-series plot, the horizontal axis represents time, and the vertical axis represents the value of the variable we are measuring. -The values of the variable are plotted at each of the times, then the points are connected with straight lines.

3 0
1 year ago
A running coach wants to know if participating in weekly running clubs significantly improves the time to run a mile. The runnin
patriot [66]

Answer:

Option B is correct.

Use the difference in sample means (10 and 8) in a hypothesis test for a difference in two population means.

Step-by-step Explanation:

The clear, complete table For this question is presented in the attached image to this solution.

It should be noted that For this question, the running coach wants to test if participating in weekly running clubs significantly improves the time to run a mile.

In the data setup, the mean time to run a mile in January for those that participate in weekly running clubs and those that do not was provided.

The mean time to run a mile in June too is provided for those that participate in weekly running clubs and those that do not.

Then the difference in the mean time to run a mile in January and June for the two classes (those that participate in weekly running clubs and those that do not) is also provided.

Since, the aim of the running coach is to test if participating in weekly running clubs significantly improves the time to run a mile, so, it is logical that it is the improvements in running times for the two groups that should be compared.

Hence, we should use the difference in sample means (10 and 8) in a hypothesis test for a difference in two population means.

Hope this Helps!!!

7 0
2 years ago
An urn contains two red and two green marbles. we pick one marble, record its color, and replace it before picking the second ma
pickupchik [31]
Djdjdjdjdjdjdjdjdjdjdjdjddjdjdjdjdjdjdjdjskksskskskskskskskskkkkkkkkkkkks;akkkkkkkkkkkkkkks;akkkkkkkkkkkkkkkkkkkkkkkkkok;aaaaaaaaaaaaaaaaaaaaaaaaaaaaaadkkkkkkkkka;ddddddddkkkkkkkkkkkkkkkkkkkkkkaaaaaaaaaaaaaaaaaaaaaaaaakooooooooooooooooooooooooooooooooooooooooooooooooo
4 0
2 years ago
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When Gene and Kelly were planning their trip to Paris, one United States dollar was worth about $\frac{7}{10}$ of a euro. Before
Andre45 [30]

Answer:

$280 dollars

Step-by-step explanation:

When they were leaving

\$1 \approx \frac{7}{10}$ Euro\\Therefore:\\\$1000 \approx  \dfrac{7}{10}\times 1000 =700$ Euro

When they returned home, they brought 196 Euros.

If\:\:\$1 \approx \frac{7}{10}$ Euro\\Then: 1 Euro $=\$  \dfrac{10}{7}\\\\$Therefore:\\\\196 Euros = \$ 196 \times \dfrac{10}{7} =\$280

They brought back $280 dollars to the United States.

3 0
2 years ago
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For the inverse variation equation p = StartFraction 8 Over V EndFraction, what is the value of V when p = 4?
dedylja [7]

Answer:

V=2

Step-by-step explanation:

For the inverse variation equation p = StartFraction 8 Over V EndFraction, what is the value of V when p = 4?

P=8/V

Inverse variation is expressed as

y=k/x

Where,

k= constant.

From the question,

P=8/V

Where,

8=constant

What is the value of V when p=4

P=8/V

Make V the subject of the formula

pV=8

V=8/p

Substitute the value of p

V=8/4

V=2

8 0
2 years ago
Read 2 more answers
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