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2 years ago

(6,3) (4,8) in slope intercept form

2 answers:

8 0

M=y1-y2/x1-x2

Plug in x1, y1 and x2, y2 using your ordered pairs, (6,3); (4,8).
It makes it easier to label your ordered pairs so you don't get confused.
(X1= 6; Y1=3 || X2=4; Y2=8)

m=8-3/4-6
Subtract 8 from 3, which would be 5 (x).
Subtract 4 from 6, which would be -2(y).
Now, put them together to get your slope.
m=5/-2.

Vlad [161]2 years ago

7 0

(6,3) (4,8)

Find the slope :)

m = y₂-y₁ / x₂-x₁

Plug in the values.

m = 8 - 3 / 4 - 6

Simplify.

m = 5/-2

So, the slope of -5/2

Slope-intercept form :

y = mx + b

Where m = slope, b = y-intercept.

y = -5/2x + 8

~Hope I helped!~

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A survey in Men’s Health magazine reported that 39% of cardiologists said that they took vitamin E supplements. To see if this i

zzz [600]

Answer:

$z=\frac{0.36 -0.39}{\sqrt{\frac{0.39(1-0.39)}{100}}}=-0.615$

The p value for this case would be:

$p_v =2*P(z$

For this case since the p value is higher than the significance level we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true proportion is not different from 0.39

Step-by-step explanation:

Information given

n=100 represent the random sample taken

X=36 represent the number of people that take E supplement

$\hat p=\frac{36}{100}=0.36$ estimated proportion of people who take R supplement

$p_o=0.39$ is the value that we want to test

$\alpha=0.05$ represent the significance level

z would represent the statistic

$p_v$ represent the p value

Hypothesis to test

We want to test if the true proportion is equatl to 0.39 or not, the system of hypothesis are.:

Null hypothesis: $p=0.39$

Alternative hypothesis: $p \neq 0.39$

The statistic is given by:

$z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}}$ (1)

Replacing the info we got:

$z=\frac{0.36 -0.39}{\sqrt{\frac{0.39(1-0.39)}{100}}}=-0.615$

The p value for this case would be:

$p_v =2*P(z$

8 0

2 years ago

In 2012 there were approximately 8,950 public libraries in the United States. A survey found that 76% of those libraries offered

choli [55]

Answer:

6,440

Step-by-step explanation:

i just did the math for this

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2 years ago

Fill in the blanks below.

Dmitry_Shevchenko [17]

Answer:

a) Slope of the line m = ∞

b) Slope of the line m =0

Step-by-step explanation:

Explanation:-

Step(i):-

Given points are ( 7,7) and (7,-8)

Slope of the line

$m = \frac{y_{2} - y_{1} }{x_{2}-x_{1} }$

$m = \frac{-8-7 }{7-7 } = \frac{-15}{0} = infinite$

m = ∞

Step(ii):-

Given points are (-6,7) and (9,7)

Slope of the line

$m = \frac{y_{2} - y_{1} }{x_{2}-x_{1} }$

$m = \frac{7-7 }{9-(-6) } = \frac{0}{15} = 0$

Slope of the line m =0

6 0

3 years ago

which of the following sets could be the sides of a right triangle? {2,3, square root 13} {5,5,2 square root 10} {5,12,15}

anastassius [24]

All of these sets meet the requirements of the triangle inequality. The sum of any two numbers in the set is greater than the third one. (You really only need to check that the sum of the smallest two is greater than the largest.)

It can help to resolve the numbers that are only indicated as to value.

√13 ≈ 3.606

2√10 ≈ 6.325

_____

Your comparisons can be ...

2 + 3 = 5 > 3.606 . . . is a triangle

5 + 5 = 10 > 6.325 . . . . . . is a triangle

5 + 12 = 17 > 15 . . . . . . . . is a triangle

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3 years ago

Plot the image of point Q under a reflection across the -axis.

Jlenok [28]

Answer:

pit it on -4 because your reflecting it on x

7 0

3 years ago