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Andrej [43]
3 years ago
14

What is the graph of F(x)=0.5(2)x

Mathematics
1 answer:
zepelin [54]3 years ago
3 0

The slope is 1 and there is no y intercept.


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Math quick i need help hurry 15 points :)
schepotkina [342]

Answer:

B

Step-by-step explanation:

I don't know how to explain it but

10/2=5 (Driver A)

20/2= 10 (Driver B)

Sorry if it's not right

4 0
3 years ago
Which of the tables represents a function?
True [87]
Table B. The same input can't go to different outputs
8 0
3 years ago
Can someone please help me I need to get this right
andreyandreev [35.5K]

Answer:

Option C

Step-by-step explanation:

Option C would map (1,3) to (-1,4).

(x,y)\rightarrow(x-2,y+1)

(1,3)\rightarrow(1-2,3+1)\rightarrow(-1,4)

1 - 2 = -1

3 + 1 = 4

Option C should be the  correct answer.

3 0
3 years ago
Read 2 more answers
A development economist is studying income growth in a rural area of a developing country. The last census of the population of
kykrilka [37]

Answer:

If we compare the p value and the significance level given \alpha=0.01 we see that p_v>\alpha so we can conclude that we have enough evidence to FAIL reject the null hypothesis, so we can say that the population mean is not singificantly higher than 425.  

Step-by-step explanation:

Data given and notation  

\bar X=433.75 represent the mean height for the sample  

\sigma=\sqrt{2500}=50 represent the population standard deviation for the sample  

n=100 sample size  

\mu_o =425 represent the value that we want to test

\alpha=0.01 represent the significance level for the hypothesis test.  

z would represent the statistic (variable of interest)  

p_v represent the p value for the test (variable of interest)  

State the null and alternative hypotheses.  

We need to conduct a hypothesis in order to check if the mean height actually is higher than the mean height for men in 1960, the system of hypothesis would be:  

Null hypothesis:\mu \leq 425  

Alternative hypothesis:\mu > 425  

Since we know the population deviation so is better apply a z test to compare the actual mean to the reference value, and the statistic is given by:  

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}}  (1)  

z-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".  

Calculate the statistic

We can replace in formula (1) the info given like this:  

z=\frac{433.75-425}{\frac{50}{\sqrt{100}}}=1.75    

P-value

Since is a one right tail test the p value would be:  

p_v =P(z>1.75)=1-P(z  

Conclusion  

If we compare the p value and the significance level given \alpha=0.01 we see that p_v>\alpha so we can conclude that we have enough evidence to FAIL reject the null hypothesis, so we can say that the population mean is not singificantly higher than 425.  

3 0
3 years ago
Please help asap<br><br> Which description best describes the graph?
Mice21 [21]
First, let's identify if it's increasing or decreasing.

Since the graph is going downwards, it's decreasing.

Next, is the graph linear or nonlinear?

This graph is definitely not a line, so it's nonlinear.

Your answer is nonlinear decreasing.

Have an awesome day! :)
3 0
3 years ago
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