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3 years ago

Which one is the function and which one isn’t please help im failing rn .

Mathematics

1 answer:

dezoksy [38]3 years ago

5 0

Answer:

Yes

Step-by-step explanation:

This relation is a function. Functions must have unique x-values for every y-value, this relation meets those requirements. Also, since this is a graph you can use the vertical line test. To pass the vertical line test you must be able to draw a vertical line on the graph and have it intersect with the function in no more than one place.

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5.) x + 3y = 21<br> - 4x + y = 0

just olya [345]

Step-by-step explanation:

x + 3y = 21

- 4x + y = 0

y = 4x

x + 3y = 21

x + 3(4x) = 21

x + 12x = 21

13x = 21

x = 21/13

y = 4x

y = 4 (21/13)

y = 84/13

(x, y) = (21/13 , 84/13)

5 0

3 years ago

How will adding the value 90 affect the mean and median of the data set 1, 5, 5, 6, 9, 10?

Soloha48 [4]

I believe the answer is B for this question

6 0

3 years ago

Read 2 more answers

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 6.9 years, and standard deviation of

Lostsunrise [7]

ANSWER

0.9738 or 97.38%

EXPLANATION

Given:

$\begin{gathered} mean(\mu)=6.9 \\ Standard\text{ }Deviation(\sigma)=1.6 \end{gathered}$

Desired Outcome:

Probability that it will last 10 years

z-score for the sample:

$\begin{gathered} z-score=\frac{X-\mu}{\sigma} \\ z-score=\frac{10-6.9}{1.6} \\ z-score=1.9376 \end{gathered}$

p-value

For the z-score of 1.9376, the p-value is 0.9738 or 97.38%

Hence, the probability that it will last longer than 10 years if you randonly purchase one item is 97.38%

7 0

1 year ago

If the hungry mathematicians split the cost equally , explain how much each should pay. Show all your work and write and explana

kkurt [141]

Depends how many people you have. Lets say I have 4$ and 4 people, 1 dollar for each person. If you want a equation dollars would your x and people would be y, (4x + 1)

4 0

3 years ago

Please help I am on a times test

Damm [24]

Answer:

3125

Step-by-step explanation:

12.5x25x10

312.5x10

3125cm

so your answer will be D

5 0

3 years ago