3 years ago

Please help me with this its due tonight

Mathematics

1 answer:

sineoko [7]3 years ago

5 0

Answer:

y= -1/3x-4

y=2x+2

Step-by-step explanation:

the slope is rise over run

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For the Data Set below, calculate the Variance to the nearest hundredth decimal place. (Do not use a coma in your answer) 175 34

dlinn [17]

Answer:

The variance of the data is 29966.3.

Step-by-step explanation:

The given data set is

175, 349, 234, 512, 638, 549, 500, 611

We need to find the variance to the nearest hundredth decimal place.

Mean of the data

$Mean=\dfrac{\sum x}{n}$

where, n is number of observation.

$Mean=\dfrac{3568}{8}=446$

The mean of the data is 446.

$Variance=\dfrac{\sum (x-mean)^2}{n-1}$

$Variance=\dfrac{(175-446)^2+(349-446)^2+(234-446)^2+(512-446)^2+(638-446)^2+(549-446)^2+(500-446)^2+(611-446)^2}{8-1}$

$Variance=\dfrac{209764}{7}$

$Variance=29966.2857$

$Variance\approx 29966.3$

Therefore, the variance of the data is 29966.3.

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3 years ago

7. A rectangle with dimensions 7x4 was outlined on grid paper.

adoni [48]

Answer:

6) D, 7) A 8) c

Step-by-step explanation:

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3 years ago

C. How long is 10% of a 24-hour day?

shutvik [7]

Answer:

2.4 hours

Step-by-step explanation:

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2 years ago

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Which fraction is equivalent to 2/3? A. 4/9 B. 18/21 C.6/8 D. 16/24

Alexus [3.1K]

Answer:

16/24

Step-by-step explanation:

2 x 8 = 16

3 x 8 = 24

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2 years ago

The radius of a circle is 4 centimeters.what is the area

tester [92]

A= 50.27 cm^2 :) hopefully this is right

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2 years ago

Please help me with this its due tonight ​

Please help me with this its due tonight