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kakasveta [241]
3 years ago
7

85 is five times a number

Mathematics
2 answers:
SashulF [63]3 years ago
5 0
The answer is 17
85/5 = 17
Allushta [10]3 years ago
3 0

Answer:

9

Step-by-step explanation:

because 85 ÷ 5 = 9

hope thos helps and stay safe

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Convert 800 milliliters to liters.<br><br> A. 8 L<br> B. 80 L<br> C. 0.8 L<br> D. 0.08 L
ANTONII [103]
The answer is c. 0.8 L
7 0
3 years ago
Select TWO expressions that
8090 [49]

Answer:

A and D

Step-by-step explanation:

4×3=12

4×d=4d

12+4d

Then;(4×d)+(3×4)=4d +12

Same expression

6 0
2 years ago
Read 2 more answers
The orginal price :$45.00;markdown: 20%
Finger [1]

$36 because 20% of 45 is 9 and 45 - 9 is 36!

3 0
3 years ago
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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
Simplify\:\frac{\sqrt{5}}{\sqrt{3}}
avanturin [10]

\dfrac{\sqrt 5}{\sqrt 3} =\sqrt{\dfrac 53} \approx 1.291

7 0
2 years ago
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