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3 years ago

5

1 over 2 multiplied by 2^5 (to the power of 5) I need to simply the expression (this is indices btw) and please explain how to s

olve.

1 answer:

elixir [45]3 years ago

6 0

Answer:

5

Step-by-step explanation:

First you do 2+2+2+2+2=10

Next you 1/2(1 over 2) times 10=5

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Assume that you want to test the claim that the paired sample data come from a population for which the mean difference is μd =

swat32

Answer:

Test statistic, $t_{s} = -0.603$ (to 3 dp)

Step-by-step explanation:

Deviation, d = x -y

Sample mean for the deviation

$\bar{d} = \frac{\sum x-y}{n}$

$\bar{d} = \frac{(28-6) + (31-27)+(20-26)+(25-25)+(28-29)+(27-32)+(33-33)+(35-34)}{8} \\\bar{d} = -0.625$

Standard deviation: $SD = \sqrt{\frac{\sum d^{2} - n \bar{d}^2}{n-1} }$

$\sum d^{2} = (28-26)^2 + (31-27)^2 +(20-26)^2 +(25-25)^2 +(28-29)^2 +(27-32)^2 +(33-33)^2 +(35-34)^2\\\sum d^{2} = 63$

$SD = \sqrt{\frac{63 - 8 * (-0.625)^2}{8-1} }$

SD =2.93

Under the null hypothesis, the formula for the test statistics will be given by:

$t_{s} = \frac{ \bar{d}}{s_{d}/\sqrt{n} } \\t_{s} = \frac{- 0.625}{2.93/\sqrt{8} }$

$t_{s} = -0.6033$

6 0

3 years ago

3(3x+9)=-5-2x what is x

-BARSIC- [3]

Answer:

x=2.9

Step-by-step explanation:

3(3x+9)= -5-2x ( distribute)

9x+27= -5-2x (add 2x) (subtract 27)

11x= 32 ( divide by 11)

x= 2.9

3 0

3 years ago

26. -2, 3, 8, 13, 18,...

-Dominant- [34]

Answer:

each number is being added by 5

Step-by-step explanation:

5 0

3 years ago

Julia has 14 pounds of nuts .there are 16 ounces in one pound. how mant ounces of nuts does she have

SSSSS [86.1K]

There are 14 pounds of nuts, and each are 16 ounces.

14*16 = ?

14*16 = 224

Final answer: She has a total of 224 ounces of nuts.

8 0

3 years ago

Read 2 more answers

What is 2.1 as a fraction?

german

2 1/10 because the 1 in 2.1 is in the tenth place

7 0

3 years ago