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julia-pushkina [17]
3 years ago
15

What expression is equivalent to -3n-7+(-6n)+1

Mathematics
1 answer:
nekit [7.7K]3 years ago
4 0
-3n-7+(-6n)+1 = 0
-3n-7-6n+1 = 0
-9n-6 = 0

So, -9n-6
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Step-by-step explanation:

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irina [24]

Answer:

(-\frac{3}{7}, 0) -- x intercept

(0,3) -- y intercept

Step-by-step explanation:

Given

y = 7x + 3

Required

Determine the x and y intercept

For x intercept.

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So, we have:

y = 7x + 3

0 = 7x + 3

Collect Like Terms

7x = -3

Make x the subject

x = -\frac{3}{7}

Hence, the x intercept is: (-\frac{3}{7}, 0)

For the y intercept;

Set x = 0

So, we have:

y = 7x + 3

y = 7*0 + 3

y = 0 + 3

y = 3

Hence, the y intercept is: (0,3)

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3 years ago
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Directions: The marketing research department at the Fresno Mall plans to survey teenagers about a newly developed soft drink. E
emmainna [20.7K]

The experiment is the development of a new soft drink

  • A possible outcome is "Prefer this new drink"
  • A possible event is "The event that 5 of 10 teenagers prefer this new drink to their favourite drink"
  • A new survey is about children vaccination

<h3>The experiment</h3>

From the question, we understand that:

The Fresno Mall plans to survey teenagers about a newly developed soft drink

This implies that the experiment is the survey of teenagers for a new soft drink

<h3>A possible outcome</h3>

Also from the question, we have:

The teens will be asked to compare it with their favourite soft drink

In terms of preference, one outcome could be "Prefer this new drink"

<h3>A possible event</h3>

Also from the question, we have:

The teens will be asked to compare it with their favourite soft drink

In terms of preference, one event could be "The event that 5 of 10 teenagers prefer this new drink to their favourite drink"

<h3>A new survey</h3>

Using the question as a guide, a survey could be:

<em>In a survey of 500 randomly selected adults, 68% of the respondents think that the government should require parents to have their children vaccinated.</em>

Here, we have:

  • Experiment: Children vaccination
  • Outcome: Outcome that a parent supports parent should have their children vaccinated
  • Event: Event that 5 of 10 individuals think that the government should require parents to have their children vaccinated

<h3>Importance of probability</h3>

Probabilities, in this scenario are used to determine the proportions of outcomes, events and it is used to make informed decisions

Read more about probability at

brainly.com/question/251701

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5 0
1 year ago
For each value of u determine it is a solution to 36=47-u u=9 u=11 u =8 u=38​
OlgaM077 [116]

Answer:

u=11

Step-by-step explanation:

1. 36=47-9

36≠38

2. 36=47-11

36=36

3. 36=47-8

36≠39

4. 36=47-38

36≠9

3 0
2 years ago
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