1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zubka84 [21]
3 years ago
5

Please help, this is due today at 3PM

Mathematics
2 answers:
Agata [3.3K]3 years ago
6 0
It decreases by -.4 over 1
Vikki [24]3 years ago
4 0

Answer: uhh...

Step-by-step explanation:It decreases by -.4 over 1

You might be interested in
Need math help ASAP:)
PilotLPTM [1.2K]

Answer:

f(-2) = 4

Step-by-step explanation:

The function has three definitions depending on the value of x.

You are looking for the value of the function at x = -2.

-2 is in the interval x <= -1, which is the first line of the definition of the function.

We use the first line of the definition of the function.

f(x) = -2x for x <= -1

f(-2) = -2(-2) = 4

Answer: f(-2) = 4

5 0
3 years ago
Shoe sizes for men in the United States are known to follow a normal distribution. If you calculated the z-score of a man's shoe
anastassius [24]

Answer:

This value means that his shoe size is 2.9 deviations above the population mean.

And we can find the approximate percentile for his measure like this:

P(Z

This correspond to the 99.8 percentile, so then his shoe size is 99.8% above all the shoe sizes.

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the shoe size of a population, and for this case we know the distribution for X is given by:

X \sim N(\mu,\sigma)  

Where \mu represent the mean and \sigma the population standard deviation.

For this case we know that a man obtain a z score of z=2.9

This value means that his shoe size is 2.9 deviations above the population mean.

And we can find the approximate percentile for his measure like this:

P(Z

This correspond to the 99.8 percentile, so then his shoe size is 99.8% above all the shoe sizes.

3 0
3 years ago
-x &lt; - 29 solve for x
AleksAgata [21]

Answer:

x<29

Step-by-step explanation:

divide both sides by -1 since x cannot be negative

4 0
3 years ago
PLZ HELP What is the mode interval for the histogram? Science Test Scores Frequency No Бел о об - 1 50-59 60-69 70-79 80-89 90-1
Ksju [112]

Answer: You are correct. The mode is between 90 and 100

This is because the tallest bar corresponds to this interval. The mode is the most frequent value.

4 0
2 years ago
Read 2 more answers
Rachel drew the two graphs below. Graph R On a coordinate plane, a line goes through points (0, 0) and (2, 1). Graph S On a coor
fgiga [73]

Answer:d

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Other questions:
  • What makes a constant term different from a term with a variable
    5·1 answer
  • After I substitute in y how do I determine the coordinate(s)?
    8·1 answer
  • Makesha lost 21 pounds in 12 weeks. Find her rate loss in pounds per week.
    13·1 answer
  • Please help with this geometry problem please
    8·1 answer
  • (-5.1)&amp;(-3,-8) find the slope
    13·1 answer
  • PLS HELP I NEED IT PLSSSSSS
    10·2 answers
  • Sam wrote on the board counting numbers from 12 to 111:12, 13, 14, ..., 110, 111. How many digits did Sam write?
    14·2 answers
  • Solve the question below:
    11·2 answers
  • In Exercises 21-26, a fair coin is tossed two times in succession.
    13·1 answer
  • In the diagram shown to the​ right, m∠ACB=66°. Find the following.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!