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Tems11 [23]
3 years ago
14

Simplify t^12/t^6 help!

Mathematics
1 answer:
meriva3 years ago
4 0

t^{12}/t^6=t^{12-6}=t^6

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Need help on this ASAP!!!!
mestny [16]

The answer is D. He divided both sides by 5 instead of dividing both sides by -5.


8 0
3 years ago
A sample of 5 strings of thread is randomly selected and the following thicknesses are measured in millimeters. Give a point est
xxTIMURxx [149]

Answer:

Point estimate for the population variance = 3.92 * 10^{-3} .

Step-by-step explanation:

We are given that a sample of 5 strings of thread is randomly selected and the following thicknesses are measured in millimeters ;

       X                       X - Xbar                                         (X-Xbar)^{2}

      1.13            1.13 - 1.188 = -0.058                                 3.364 * 10^{-3}

      1.15            1.15 - 1.188 = -0.038                                 1.444 * 10^{-3}    

      1.15            1.15 - 1.188 = -0.038                                 1.444 * 10^{-3}

      1.24           1.24 - 1.188 = 0.052                                 2.704 * 10^{-3}

      1.27           1.27 - 1.188 = 0.082                               <u>  6.724 * </u>10^{-3}<u>    </u>

                                                                    \sum (X-Xbar)^{2} <u>= 0.01568   </u>

Firstly, Mean of above data, Xbar = \frac{\sum X}{n} = \frac{1.15+1.24+1.15+1.27+1.13}{5} = 1.188

Point estimate of Population Variance = Sample variance

                                                               = \frac{\sum (X-Xbar)^{2}}{n-1} = \frac{0.01568}{4} = 3.92 * 10^{-3} .

Therefore, point estimate for the population variance = 3.92 * 10^{-3} .

       

5 0
3 years ago
Read 2 more answers
Round 6700 to the nearest thousand
andriy [413]

Answer:

Step-by-step explanation:

it would be 7000 because the 7 is greater than five

6 0
3 years ago
2. Solve. x2 - 72 = 0
Effectus [21]

Answer:

x = ± 6\sqrt{2}

Step-by-step explanation:

Given

x² - 72 = 0 ( add 72 to both sides )

x² = 72 ( take the square root of both sides )

x = ± \sqrt{72} = ± \sqrt{36(2)} = ± 6\sqrt{2}

7 0
3 years ago
Read 2 more answers
(x – 4)2 = -9 has no real solution
Keith_Richards [23]

Answer:

x = -1/2

Step-by-step explanation:

(x - 4) * 2 = -9

Divide both sides by 2:

x - 4 = - 9 / 2

Add 4 to both sides:

x = - 1 / 2.

5 0
2 years ago
Read 2 more answers
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