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3 years ago

H + 8.5 = −8.5 can somebody give me the answer to this

Mathematics

2 answers:

kirza4 [7]3 years ago

4 0

Answer:

-17

Step-by-step explanation:

We have to subtract 8.5 from both sides, resulting in the answer being

H=-17

notsponge [240]3 years ago

4 0

Answer:

h = -17

Step-by-step explanation:

h + 8.5 - 8.5 = -8.5 - 8.5

h = -17

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Ksivusya [100]

Answer:

The smallest number that is divisible by 1,2,3,4,5,6,7,8,9 and 10 is 2,520.

Step-by-step explanation:

2520/1 = 2520

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2520/3 = 840

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3 years ago

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Step-by-step explanation:

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3 years ago

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stira [4]

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3 years ago

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:

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

$t_{s} = -0.6033$

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3 years ago

Simplify -23b4+(-7b4)

Rzqust [24]

-30b4 would be your answer.

Hope I helped!

3 0

3 years ago