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3 years ago

Write an equation of the line in slop intercept form

Mathematics

1 answer:

Marat540 [252]3 years ago

4 0

Answer:

$m=-\frac{4}{3}$

Step-by-step explanation:

to find the slope use the formula $m=\frac{y_2-y_1}{x_2-x_1}$

$m=\frac{0-4}{0-(-3)}$

simplify

$m=\frac{0-4}{0+3}$

$m=\frac{-4}{3}$

move the negative in front of the fraction

$m=-\frac{4}{3}$

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12.4. Measure of Dispersion 2076 Q.No. 15 Find the standard deviation of: 4, 6, 8, 10, 12.

Alenkinab [10]

Answer:

Standard deviation of given data = 3.16227

Step-by-step explanation:

Step(i):-

Given sample size 'n' = 5

Given data 4, 6,8,10,12

$Mean = \frac{4+6+8+10+12}{5} = 8$

Mean of the sample x⁻ = 8

Standard deviation of the sample

$S.D = \sqrt{\frac{Sum(x-x^{-} )^{2} }{n-1}}$

Step(ii):-

Given data

x : 4 6 8 10 12

x-x⁻ : 4 - 8 6-8 8-8 10-8 12-8

(x-x⁻) : -4 -2 0 2 4

(x-x⁻)² : 16 4 0 4 16

$S.D = \sqrt{\frac{Sum(x-x^{-} )^{2} }{n-1}}$

$S.D = \sqrt{\frac{16+4+0+4+16}{4}}$

S.D = √10 = 3.16227

Final answer:-

The standard deviation = 3.16227

8 0

2 years ago

A bag contains 6 red balls 8 yellow ones and 4 black ones if a ball is randomly selected find the probability of it being neithe

Natali [406]

Answer:

1/3

(given answers in Question are unreadable)

Step-by-step explanation:

We search for red balls (neither yellow or black). There are 6 red balls among all 18 balls. Selecting one ball, there is a chance 6/18 that we pull out a red one. 6/18 is the same as 1/3.

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MariettaO [177]

Answer:

-65 is answer if we will solve it then it will be answer

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