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3 years ago

Given the functions f(x)=1/x−3+1 and g(x)=1/x+4+3 .

Mathematics

1 answer:

Korolek [52]3 years ago

3 0

Answer:

Step-by-step explanation:

the graph shifts 2 units right and 7 units down

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Find the sample standard deviation:

zlopas [31]

Answer:

Step-by-step explanation:

Given the sample data 2 6 15 9 11 22 1 4 8 19, before we can get the standard deviation, we need to first calculate the mean.

mean = 2 +6 +15 +9 +11 +22 +1 +4 +8 +19/10

mean = 97/10

mean = 9.7

Standard deviation for ungrouped data is expressed using the formula;

$S = \sqrt{ \dfrac{\sum(x-\overline x)^2}{n-1} }$

$\overline x \ is\ the \ mean\\n \ is \ sample \ size$

$S = \sqrt{\frac{(2-9.7)^2+(6-9.7)^2+(15-9.7)^2+(9-9.7)^2+(11-9.7)^2+(22-9.7)^2+(1-9.7)^2+(4-9.7)^2+(8-9.7)^2+(19-9.7)^2}{10-1} }\\ S = \sqrt{\frac{(-7.7)^2+(-3.7)^2+(5.3)^2+(-0.7)^2+(1.3)^2+(12.3)^2+(-8.7)^2+(-5.7)^2+(-1.7)^2+(9.3)^2}{10-1} }\\\\S = \sqrt{\dfrac{59.29+13.69+28.09+0.49+1.69+151.29+75.69+32.49+2.89+86.49}{10-1} }\\\\\\S = \sqrt{\dfrac{452.1}{9} }\\\\S = \sqrt{50.23}\\ \\S = 7.08\\\\S \approx 7.1$

<em>Hence the standard deviation of the sample data is 7.1</em>

7 0

2 years ago

PLEASE HELP MEAN A LOT I WILL GIVE BRAINLIEST

zmey [24]

Answer:

Kim should'nt have put 2 because y would be bigger than 2

by-step explanation:

7 0

3 years ago

Write an equation for the line that contains the given point and that has the given slope m. (-8, -11) and slope undefined.

trapecia [35]

Answer:

x = -8 or x + 8 = 0

Step-by-step explanation:

As the slope is undefined, the line is parallel to y-axis

The equation of the line : x = -8

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2 years ago

Drummers march in two patterns for one song. One pattern has

Dafna11 [192]

Answer:

Suppose we have a total of 16 drummers.

for the first pattern we have 2 drummers in each row, this means that we have a total of 16/2 = 8 rows.

Now, for the second pattern, we have 4 times as many in each row, so we have 4*2 = 8 drummers in each row, then we have 16/8 = 2 rows.

You can see that in each pattern we have the same number of drummers, but a different number of rows.

Now, we only can do this if the total number of drummers is a multiple of 8 (because in the second part we want 8 drummers in each row, so if we want that the numbers of rows to be a whole number, then we must have that the total number of drummers is a multiple of 8)

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3 years ago

I need help please just number 2

marusya05 [52]

Answer:What's the problem for question 2? And I may be able to help you with it.

Step-by-step explanation:

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2 years ago