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3 years ago

14

Which is an example of conduction?

2 answers:

BigorU [14]3 years ago

8 0

Answer:

B

Step-by-step explanation:

just took it

RSB [31]3 years ago

7 0

The answer is B) A hand is burned when touching a pot handle

Explanation: the first and last examples are not a direct exchange of heat from one to the other. Meaning that because the soup and stone are being surrounded by heat, they aren’t in as direct of contact as the hand. The hand touches directly to the hot handle and is immediately burned by the exchange of heat

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Find the value of 7v-6 given that -8v-9=7 Simplify your answer as much as possible 7v-6=

evablogger [386]

Answer:

-20

Step-by-step explanation:

-8v-9=7

Add 9 to each side

-8v-9+9=7+9

-8v = 16

Divide by -8

-8v /-8 = 16/-8

v = -2

Now find

7v -6

7(-2) -6

-14 -6

-20

4 0

4 years ago

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ra1l [238]

Answer:

54

Step-by-step explanation:

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3 years ago

Please help I would appreciate it.

Mandarinka [93]

45 to get j by itself you need to multiply both sides by 9

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3 years ago

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Write 8:136 in the form of 1:n

sergeinik [125]

Answer:

1:17

Step-by-step explanation:

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3 years ago

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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