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stealth61 [152]
3 years ago
11

Show me how to write the first five terms of a pattern that begins with 20

Mathematics
1 answer:
erica [24]3 years ago
3 0
20,40,60,80,100,102 just continue from there
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A sociologists was investigating the ages of grandparents of high school students. From a random sample of 10high school student
hjlf

Answer:

The answer for (a)(-5.96, 2.36) (b) -1.8, since the difference is negative, it can be said or determined that the age of the grandfather is older

Step-by-step explanation:

Solution

(a) From the information given,

n = 10, d =-1.8, sd = 5.81

The 95% confidence interval  for the population  mean difference age is computed as follows:

CI =d ±tα/2,n-1 (sd/√n)

= -1.8±t₀.₀₅/₂,₁₀₋₁ (5.81/√10)

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= -1.8 ± 4.16

= (-5.96, 2.36)

Now,

There is a 95% confidence  that the mean difference in age of maternal grand parents of high school students lies between - 5.96 and 2.36

(b) The age difference is calculated  as the age of grand mother minus age of grand father. the point of estimate for the mean difference is as follows:

Xd = XGM - XGF

= 69.8 -71.6

=-1.8

Therefore, since the difference is negative, it can be said or determined that the age of the grandfather is older

Note: kindly find an attached copy of the complete question and table to this example below.

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3 years ago
What is the slope of the line below is -5. Which of the following is the point-slope form of the line?
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Answer:

[see below]

Step-by-step explanation:

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y-y_1=m(x-x_1)

(x1, y1) - a point

m - slope

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y-y_1=m(x-x_1)\rightarrow y-(-7)=-5(x-2)\rightarrow\boxed{y+7=-5(x-2)}

Hope this helps.

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aliya0001 [1]

Answer: 279,841 cm2

Step-by-step explanation: 279,841 cm2

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3 years ago
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