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3 years ago

Which set represents a function?

Mathematics

2 answers:

soldi70 [24.7K]3 years ago

6 0

Answer: {(-5, 6), (-3, 13), (-14, 30)} is a function

{(12, 12), (12, 13), (12, 14)} and {(1, 3), (4, 5), (4, 9), (6, 19)} are not a function

NARA [144]3 years ago

5 0

Answer:

the second set

Step-by-step explanation:

You cannot have the same number in your domain twice.

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If the average price of four shoes is 50 dollars, and three of thise pairs are priced at 35 40 and 55, what is the price of thr

Vlad1618 [11]

Maybe the price of the fourth pair is like about fifty dollars because the average of the four shoes are fifty dollars. The other shoe pairs that he/she bought is thirty five, forty and fifty dollars.

So, the price is about fifty dollars.

4 0

3 years ago

An aptitude test is designed to measure leadership abilities of the test subjects. Suppose that the scores on the test are norma

Komok [63]

Using the normal distribution, it is found that 0.0329 = 3.29% of the population are considered to be potential leaders.

In a <em>normal distribution</em> with mean $\mu$ and standard deviation $\sigma$ , the z-score of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

It measures how many standard deviations the measure is from the mean.

After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.

In this problem:

The mean is of 550, hence $\mu = 550$ .

The standard deviation is of 125, hence $\sigma = 125$ .

The proportion of the population considered to be potential leaders is <u>1 subtracted by the p-value of Z when X = 780</u>, hence:

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{780 - 550}{125}$

$Z = 1.84$

$Z = 1.84$ has a p-value of 0.9671.

1 - 0.9671 = 0.0329

0.0329 = 3.29% of the population are considered to be potential leaders.

To learn more about the normal distribution, you can take a look at brainly.com/question/24663213

8 0

3 years ago

Please help i'm really stuck on this! thank you :)

Fudgin [204]

The answer is b ,e if is a to answe wuestion

7 0

3 years ago

what is the probability that a positive integer less than 100 picked at random has all distinct digits

bazaltina [42]

the probability that a positive integer less than 100 picked at random has all distinct digits is 90.

He has 99 positive integers less than 100.

The integers that do not have all distinct digits have the same digit twice.

11, 22, 33, 44, 55, 66, 77, 88, 99

There are 9 integers that do not have distinct digits, therefore there are 99-9 integers that do.

Probability is without a doubt how probable something is to show up. whenever we are uncertain about the final results of an occasion, we can talk about the possibilities of sure outcomes and how probable they are. The analysis of events governed by opportunity is referred to as records.

A chain of moves in which the results are usually unsure. The tossing of a coin, selecting a card from a deck of playing cards, throwing a cube. occasion. it is a single final results of an experiment. Getting a Heads whilst tossing a coin is an event.

Simple probability is the calculation of an outcome or the chance of an event ever taking place. coverage companies use possibility statistics to determine the possibilities of having to pay out a declare. A simple chance is calculated by way of dividing a particular outcome through all of the feasible outcomes.

Learn more about probability here brainly.com/question/24756209

#SPJ4

8 0

2 years ago

What are the answers I’m a bit confused?

sveticcg [70]

10.   $10x^2-4$

12.   $8m+4n+2$

Explanation

===========================

10.
Distribute
$=6x^2+(4)(x^2)+(4)(-1)$
$=6x^2+4x^2+-4$
Combine like terms
$=6x^2+4x^2+-4$
$=(6x^2+4x^2)+(-4)$
$=10x^2+-4$

12.
Combine like terms
$=8m+14+-12+4n$
$=(8m)+(4n)+(14+-12)$
$=8m+4n+2$

Hope this helps :)

5 0

4 years ago