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Sindrei [870]
3 years ago
5

What value of m makes the equation 8am/4a5=2a6 true?

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
4 0

Answer:

m = 11

Step-by-step explanation:

11 - 5 = 6

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To construct an interval estimate for the difference between the means of two populations when the standard deviations of the tw
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Answer:

C. (n₁ + n₂ - 2) degrees of freedom

Step-by-step explanation:

The t-test for difference between two mean when variance are equal is:

t=\dfrac{\bar{x}_1-\bar{x}_2}{s\sqrt{\frac{1}{n_1}+\frac{1}{n_2}}}

where ,

\bar{x}_1 = Mean of Sample 1

\bar{x}_2 = Mean of Sample 2

s = standard deviation

n_1 = size of Sample 1

n_2 = size of Sample 2

 and t is Student's t-test with (n₁ + n₂ - 2) degrees of freedom.

5 0
4 years ago
Someone help please
nordsb [41]
I don’t see a z anywhere in the equation but with the other numbers (I think) is -6.
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3 years ago
If using the method of completing the square to solve the quadratic equation x^2 + 9 x + 7 = 0 , which number would have to be a
FinnZ [79.3K]

Answer:

(x+9)^2=53/4

Step-by-step explanation:

6 0
3 years ago
Help me with this please
Klio2033 [76]

Answer:

No, she's wrong

x\leq\frac{2}{5}

Step-by-step explanation:

So starting from the beginning...

3x+3\leq -2x+5

Subtract the 3 from both side and it will look like...

3x\leq-2x+2

Then add 2x from both sides and it will look like...

5x\leq 2

Finally divide by 5 to both sides and it will look like...

x\leq \frac{2}{5}

4 0
3 years ago
Divide. Round your answer to the nearest whole number.<br>91,543 = 5 =​
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Answer:

i assume you mean divide so its 18308

Step-by-step explanation:

3 0
3 years ago
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