3 years ago

4. If point, A=(2,0) and B=(6,6) then the equation of line AB is: *

Mathematics

1 answer:

borishaifa [10]3 years ago

5 0

Y=3/6-65 because y is the intercept

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Irrational number between 3.077243 and 3.0721

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Answer:

3.066543

Step-by-step explanation:

This number is between 3.077243 and 3.0721

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3 years ago

A factor in determining the usefulness of an examination as a measure of demonstrated ability is the amount of spread that occur

GarryVolchara [31]

Answer:

Step-by-step explanation:

From the information given :

The null hypothesis $H_o : \sigma = 60$

The alternative hypothesis $Ha : \sigma \neq 60$

Given that:

the sample size n = 21

sample standard deviation s = 68

population standard deviation σ = 60

a) The level of significance $\alpha =0.01$

b) The chi-square statistics can be calculated as:

$\bar X = \dfrac{(n-1)s^2}{\sigma^2}$

$\bar X = \dfrac{(21-1)68^2}{60^2}$

$\bar X = \dfrac{(20)4624}{3600}$

$\bar X = 25.69$

The degree of freedom is :

= n - 1

= 21 - 1

= 20

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3 years ago

11.3x + 7.2 = 86.3 A) 0.7 B) 7 C) 8 D 8.3

Gnom [1K]

11.3x + 7.2 = 86.3

11.3x + 7.2 (-7.2) = 86.3 (-7.2)

11.3x = 79.1

11.3x/11.3 = 79.1/11.3

x = 7

7 is your answer

hope this helps

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4 years ago

A class tracked the number of hours each student plays video games in a week. Answer the questions below.

dsp73

The answer to this question is B

4 0

4 years ago

Can some one help i need to pass

Goryan [66]

It is easy, just add up the numbers and divide by how many set of numbers there is.

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