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Lady_Fox [76]
3 years ago
14

How to find point slope form from point and slope

Mathematics
1 answer:
Goshia [24]3 years ago
5 0

Answer:

Use the formula

y-y₁=m(x-x₁)

Step-by-step explanation:

You might be interested in
The scale factor from a small triangle ABC to a large triangle XYZ is 5. How many times larger will the perimeter of triangle XY
Ierofanga [76]

Answer:

Answer below :)

Step-by-step explanation:

Hi there!

Question 4 - the answer will be 5. Since the scale factor is 5, we would (hypothetically) multiply the area by 5 to get the new area of XYZ, so area XYZ is 5 times the area of ABC.

Question 5 - A.

First we multiply 45 by 12 to find the amount in inches. This is 540. Now, we divide that by 6 to get 90. This is our scale factor in inches, but the answers only show the scale in feet, so we have to convert. Divide 90 by 12 to get 7.5.

I hope this helps!

4 0
2 years ago
Intravenous fluid bags are filled by an automated filling machine. Assume that the fill volumes of the bags are independent, nor
iren2701 [21]

Answer:

Let X the random variable that represent the heights of a population, and for this case we know the distribution for X is given by:

X \sim N(\mu,0.08)  

Where \mu and \sigma=0.08

Since the distribution for X is normal then the  we know that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

And the standard error is given by:

SE= \frac{0.08}{\sqrt{24}}= 0.0163

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the heights of a population, and for this case we know the distribution for X is given by:

X \sim N(\mu,0.08)  

Where \mu and \sigma=0.08

Since the distribution for X is normal then the  we know that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

And the standard error is given by:

SE= \frac{0.08}{\sqrt{24}}= 0.0163

8 0
3 years ago
What is the slope of a line that is parallel to the line shown on the graph? A-4 B-1/4 C1/4 D4 
kicyunya [14]
Just take any two points from the graph. For example (4, -2) , (0, -3)                   Slope = (y2-y1) / (x2-x1) = -2-(-3) / 4-0 = 1/4








6 0
3 years ago
Read 2 more answers
The Gilbert family bought airline tickets online. Each ticket cost $167. The Web site charged $19 per ticket, as well as a flat
Ronch [10]
(167×19)×16 that's the equation
3 0
3 years ago
A hoody that costs $18.00<br> was discounted at 40% off.
Lunna [17]

Answer:

$10.80

10% = 1.80

1.8x4 = 7.2

4 0
2 years ago
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