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Dennis_Churaev [7]
3 years ago
11

Hector gave 1/4 of his money and an additional $1 to calista he gave 1/5 of his remaining money and an additional $4 to Karen th

e amount of money hector had left in the end was $31 more than the amount of money he gave to Karen.find the amount of money hector gave to calista
Mathematics
2 answers:
Dvinal [7]3 years ago
6 0
I believe in youuuu you can do itttt
baherus [9]3 years ago
6 0
Kalisa high is only $.50 left because she gave the remaining money to Karen and she was ending with $31 so now we have found the amount that you get Kalisa is only $.50
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Did i do this right?​
Amanda [17]

Answer:

yes

Step-by-step explanation:

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1 year ago
Elaine Mellon earns $17.80 per hour as an electric billing specialist for a legal clinic. How many hours per week must she work
Nuetrik [128]

Answer:

17.80/676.4= $38

Step-by-step explanation:

8 0
3 years ago
In a simple regression analysis for a given data set, if the null hypothesis β = 0 is rejected, then the null hypothesis ρ = 0 i
kati45 [8]

Answer:

Null hypothesis: \rho =0

Alternative hypothesis: \rho \neq 0

The statistic to check the hypothesis is given by:

t=\frac{r \sqrt{n-2}}{\sqrt{1-r^2}}

And is distributed with n-2 degrees of freedom

And the statistic to check the significance of a coeffcient in a regression is given by:

t_1 = \frac{\hat{\beta_1} -0}{S.E (\hat{\beta_1})}

For this case is importantto remember that t1 and p value for test of slope coefficient is the same test statistic and p value for the correlation test so then the answer would be:

Always

Step-by-step explanation:

In order to test the hypothesis if the correlation coefficient it's significant we have the following hypothesis:

Null hypothesis: \rho =0

Alternative hypothesis: \rho \neq 0

The statistic to check the hypothesis is given by:

t=\frac{r \sqrt{n-2}}{\sqrt{1-r^2}}

And is distributed with n-2 degrees of freedom

And the statistic to check the significance of a coeffcient in a regression is given by:

t_1 = \frac{\hat{\beta_1} -0}{S.E (\hat{\beta_1})}

For this case is importantto remember that t1 and p value for test of slope coefficient is the same test statistic and p value for the correlation test so then the answer would be:

Always

4 0
3 years ago
I need help with number 1 please
Bond [772]
306 / 3.6 = 85 gallons per minute

5,200 = 85x
x = <span>61.1764705882

hope this helps</span>
4 0
2 years ago
Read 2 more answers
1.5x= 3 help me I don't know what this means
Andreas93 [3]

Answer:

x = 2

Step-by-step explanation:

simple

just divide 3 by 1.5 to get x

3 / 1.5 = 2

so

x = 2

<em><u>Hope this helped! Have a nice day! Plz mark as brainliest!!! :D</u></em>

<em><u>-XxDeathshotxX</u></em>

3 0
2 years ago
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