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svp [43]
3 years ago
10

PLEASE HELP MEEEE!!!!!!!

Mathematics
1 answer:
kenny6666 [7]3 years ago
6 0

Answer:

Is there a graph or???

Step-by-step explanation:

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Researchers are conducting a study in an attempt to establish a linear relationship between the number of online music video vie
Charra [1.4K]

Answer:

d. 0.0948 ± 4.032(0.0279)

Step-by-step explanation:

A 99% confidence interval for the coefficient of promotional expenditures is, First, compute the t critical value then find confidence interval.

The t critical value for the 99% confidence interval is,  

The sample size is small and two-tailed test. Look in the column headed es = 0.01 and the row headed in the t distribution table by using degree of freedom is here

for (n-2=5) degree of freedom and 99% confidence ; critical t =4.032

therefore 99% confidence interval for the slope =estimated slope -/+ t*Std error

= 0.094781123 -/+ 4.032* 0.027926367 = -0.017822 to 0.207384

3 0
3 years ago
What is 3.30 divided by -2.00? Show work.
coldgirl [10]

Answer:

<h2>1.65</h2>

Step-by-step explanation:

\frac{3.3}{-2}\\\\\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{-b}=-\frac{a}{b}\\=-\frac{3.3}{2}\\\\\mathrm{Divide\:the\:numbers:}\:\\\frac{3.3}{2}=1.65

7 0
3 years ago
I am stuck on this zearn lesson someone pls help
Mashcka [7]
The answer is 2/1, I think. :)
7 0
2 years ago
Read 2 more answers
Pls help see (pic posted)
PolarNik [594]

Answer:

<h2>AB=8.4 inches</h2><h2>AC=13.05 inches</h2>

Solution,

\frac{ab}{bc}   = tan \: 40 \\ ab = bc \times tan \: 40 \\ ab = 10 \times 0.84 \\ ab = 8.4 \: inches \:

\frac{bc}{ac}  = cos \: 40 \\  \frac{bc}{cos \: 40}   = ac \\ ac =  \frac{10}{cos \: 40}  \\ ac = 13.05 \: inches

Hope this helps...

Good luck on your assignment..

7 0
4 years ago
Solve log x = 3. Please help
zhuklara [117]

Answer:

Log x = 3 is the same as Log into base 10 of 3

Recall from Law of Logarithm: if Log a = x , then a = 10^ x

therefore If Log x = 3 , then  x = 10^3 = 1000

Step-by-step explanation:

4 0
3 years ago
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