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denis23 [38]
3 years ago
7

Find the equation of the linear function represented by the table below in slope-intercept form.

Mathematics
1 answer:
Sedaia [141]3 years ago
7 0

Answer:

y=-4x-5

Step-by-step explanation:

The slope of the line is - 4, the equation of line is y=-4x-5

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You have $135 and you want to give the money to 5 of your friends. You want each friend to have the same amount of money. How mu
Alexus [3.1K]

Given:

Total amount = $135

Total friends = 5

Each friend to have the same amount of money.

To find:

The money you will give each of your friends.

Solution:

We know that,

\text{Money for each friend}=\dfrac{\text{Total money}}{\text{Total number of friends}}

Substituting the given values, we get

\text{Money for each friend}=\dfrac{135}{5}

\text{Money for each friend}=27

Therefore, each friend will get $27.

5 0
3 years ago
A variety of stores offer loyalty programs. Participating shoppers swipe a bar-coded tag at the register when checking out and r
dsp73

Answer:

t=\frac{130-120}{\frac{40}{\sqrt{80}}}=2.236    

Now we can find the degrees of freedom:

df=n-1=80-1=79  

Now we can calculate the p value with the alternative hypothesis using the following probability:

p_v =P(t_{(79)}>2.236)=0.0141  

Using a significance level of 0.01 or 1% we have enough evidence to FAIL to reject the null hypothesis and we can conclude that shoppers participating in the loyalty program NOT spent more on average than typical shopper at this significance level assumed

Step-by-step explanation:

Information given

\bar X=130 represent the sample mean

s=40 represent the sample standard deviation

n=80 sample size  

\mu_o =120 represent the value to verify

t would represent the statistic  

p_v represent the p value

System of hypothesis

We want to verify if  shoppers participating in the loyalty program spent more on average than typical shoppers (120) , the system of hypothesis would be:  

Null hypothesis:\mu \leq 120  

Alternative hypothesis:\mu > 120  

The statistic for this case is given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

Replacing the info given we got:

t=\frac{130-120}{\frac{40}{\sqrt{80}}}=2.236    

Now we can find the degrees of freedom:

df=n-1=80-1=79  

Now we can calculate the p value with the alternative hypothesis using the following probability:

p_v =P(t_{(79)}>2.236)=0.0141  

Using a significance level of 0.01 or 1% we have enough evidence to FAIL to reject the null hypothesis and we can conclude that shoppers participating in the loyalty program NOT spent more on average than typical shopper at this significance level assumed

3 0
4 years ago
Use the slope formula to find the missing coordinate.
muminat

Answer:

C

Step-by-step explanation:

8 0
3 years ago
The mean of the temperatures in the chart is 24° with a standard deviation of 4°. Which temperature is within one standard devia
VARVARA [1.3K]

Answer:

22°

Step-by-step explanation:

If the mean is m and the standard deviation is s, then we can say that the temperatures that fall <em><u>within 1 standard deviation of the mean</u></em> will be:

m - s < temperatures < m + s

To we take the sum of mean and standard deviation: 24 + 4 = 28

and, the different of mean and standard deviation: 24 - 4 = 20

So, <em>the temperature that is in between 20 and 28 is the temperature within 1 standard deviation of the mean</em>.

This is the third answer, 22°

5 0
3 years ago
Read 2 more answers
What is the area, in square centimeters, of the trapezoid below?<br> 8.5 cm<br> 7.5 cm<br> 15.7 cm
Contact [7]

Answer:

90.75 cm^2

Step-by-step explanation:

The area of a trapezoid is given by

A = 1/2 ( b1+b2) *h

where b1 and b2 are the lengths of the bases and h is the height

A = 1/2(8.5+ 15.7) * 7.5

1/2 (24.2) 7.5

90.75 cm^2

6 0
2 years ago
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