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2 years ago

What does each decreasing portion of the graph represent? bouncing a ball

1 answer:

7 0

Each decreasing portion of the graph indicates the ball has been thrown upward and is traveling toward the ground.

<h3>What is a graph?</h3>

A graph can be defined as a type of chart that is used to graphically represent data on both the horizontal and vertical lines of a Cartesian coordinate i.e x-axis and y-axis.

By critically observing the graph attached in the image below, we can infer and logically deduce that each decreasing portion of the graph indicates the ball has been thrown upward and is traveling toward the ground.

Read more on graphs here: brainly.com/question/25875680

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Suppose that a jewelry store tracked the amount of emeralds they sold each week to more accurately estimate how many emeralds to

RUDIKE [14]

Answer:

The confidence interval for the mean is given by the following formula:

$\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}$ (1)

And for this case the 95% confidence interval is given by (2.13; 2.37)

We have a point of estimate for the sample mean with this formula:

$\bar X = \frac{Upper+ Lower}{2}= \frac{3.37+2.13}{2}= 2.75$

And for the margin of error we have the following estimation:

$ME= \frac{Upper -Lower}{2}= \frac{3.37-2.13}{2}= 0.62$

Step-by-step explanation:

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

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".

$\bar X$ represent the sample mean

$\mu$ population mean (variable of interest)

s represent the sample standard deviation

n represent the sample size

Solution to the problem

The confidence interval for the mean is given by the following formula:

$\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}$ (1)

And for this case the 95% confidence interval is given by (2.13; 2.37)

We have a point of estimate for the sample mean with this formula:

$\bar X = \frac{Upper+ Lower}{2}= \frac{3.37+2.13}{2}= 2.75$

And for the margin of error we have the following estimation:

$ME= \frac{Upper -Lower}{2}= \frac{3.37-2.13}{2}= 0.62$

5 0

3 years ago

Examine the system of equations.

Pachacha [2.7K]

Step-by-step explanation:

The lines have different slopes

.......,............

6 0

3 years ago

4) Dan had 199 dollars to spend on 7 books. After

IRINA_888 [86]

Answer:

The answer is that each book costs 26 dollars

Step-by-step explanation:

First we subtract 199 dollar from 7 =182

Then we divide 182 dollars to the seven book in order to find a unit =182/7=26

To prove this answer multiply 26 dollars than 7 books and see if the outcome is 182.Then subtract 199 from 182 and see if you got 17.

3 0

3 years ago

Whats the first term of geometric sequence ___ 1,5,25,

zzz [600]

Answer:

0,2

Step-by-step explanation:

the rule of this geometric sequence is: divide 5

we turn the sequence to 25,5,1,_

Like 25:5=5;5:5=1;1:5=0,2

I hope it'll help you much

Thank you for asking

7 0

3 years ago

PLEAASE HELP I HAVE LITERALLY NO TIME LEFT I WILL GIVE BRAINLY SOON PLS HELP

Anika [276]

Answer:

x=8,10if this helps then your welcome if not I apologize

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3 years ago