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3 years ago

The tables given stretch for the linear functions f(x) and g(x). What is the input value for which f(x) and g(x) is true?

Mathematics

1 answer:

quester [9]3 years ago

5 0

Sd,kisksdiee1e3ifhwlexi1hl22i4rflh`iefwghlpthqde

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assume the age of night school students is normally distributed. A simple random sample of 24 night school students had an avera

aleksley [76]

Let
n = number of data
s = standard deviation (sample)
S = standard deviation (population)

The working equations is

$\frac{(n-1) s^{2} }{ x^{2}_{right} } \ \textless \ S^{2} \ \textless \ \frac{(n-1) s^{2} }{ x^{2}_{left} }$

To find $x^{2}_{right}$ , : (1 - 0.90)/2 = 0.05

To find $x^{2}_{left}$ , : 1 - 0.05 = 0.95

Degrees of freedom = n-1 = 24 - 1 = 23

This is shown in the figure attached. Since there is no row for df=23, we interpolate. Thus,

$x^{2}_{left} = 13.093$

$x^{2}_{right} = 35.17$

Substitute all values,

$\frac{(24-1) 5.6^{2} }{ 35.17} \ \textless \ S^{2} \ \textless \ \frac{(24-1) 5.6^{2} }{ 13.093} }$

Thus the answer is,

$20.51\ \textless \ S^{2} \ \textless \ 55.09$

5 0

3 years ago

Find the sum. 13(9−6m)+14(12m−8)

FinnZ [79.3K]

To do this problem, we must first distribute the 13 and 14 into the parenthesis.

<span>13(9−6m)+14(12m−8)

117 - 78m + 168m - 112

To combine like terms, we can add/subtract terms that have an "m" together and then we can add/subtract terms that do not have "m" together.

117 - 112 = 5
and
168m - 78m = 90m

So our final sum is 5 + 90m</span>

7 0

3 years ago

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This one is extremely confusing I’ve worked it out 6 times and still no answer can somebody plz help

vivado [14]

It should be A
Angle b=angle g
6x+8=4x+12
2x=4

6 0

4 years ago

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Alternate exterior angles are congruent.

Lemur [1.5K]

Answer:

<1 = <8

Step-by-step explanation:

An angle that will form a pair of alternate exterior angles with <1 will be the angle that is found outside of the parallel lines but on the opposite side of the transversal that cuts across the two parallel lines.

<8 is an exterior angle, and also is alternate angle to <1. It forms a pair of alternate exterior angles pair with <1.

Therefore, <1 = <8

3 0

3 years ago

By what number must row 2 in the matrix??

storchak [24]

Answer:

It's A

Step-by-step explanation:

would u like me to explain it??

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3 years ago

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