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Morgarella [4.7K]
3 years ago
6

The point slope form of the equation of the line that passes Through (-4,3) and (12,1) is y-1=1\4(x-12) what is the standard for

m of the equation for this line
Mathematics
1 answer:
Leokris [45]3 years ago
5 0
Something is wrong here, the slope is off...

m=(y2-y1)/(x2-x1)

m=(1-3)/(12--4)

m=-2/16

m=-1/8

So the point slope form should be:

y-1=(-1/8)(x-12)

The standard form of the line is ax+by=c so we need to rearrange it to reflect the this form...multiply both sides by -8 to get:

8-8y=x-12  subtract 8 from both sides

-8y=x-20  subtract x from both sides

-x-8y=-20  by convention, the coefficient of x should be positive, multiply both sides by -1

x+8y=20

....

Just to show that the equation given you is incorrect..

y-1=(x-12)/4  using the point (-4,3)

3-1=(-4-12)/4

2=-16/4

2=-4  which is obviously incorrect...(they had the wrong slope for the two points given)
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The z-score is right at the edge of the rejection region.

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8 0
2 years ago
Leilani makes $11 an hour. One week she works 40 hours. How much money did Leilani make that week? A.$51 B.$80 C.$440 D.$800 PLZ
Law Incorporation [45]
440 because 11x40 is 440 that’s how much she’ll make :)
8 0
3 years ago
Read 2 more answers
The triangles are similar. Find<br> the missing side length x.
Tems11 [23]

Answer:

x = 66

Step-by-step explanation:

The similarity ratio is DO/PA = 27/18 ➡3/2

So DT/PN ➡ x/44 = 3/2

132 = 2x divide both sides by 2

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5 0
3 years ago
If hospital ICU room rates are $784.00 per day, how many days was a patient in ICU if their total room charge is $10,192.00?​
babunello [35]
Answer:
13 days
Step-by-step explanation:
The easiest way to calculate this is to take the total room charge ($10,192.00) and divide by the room rate per dayday ($784.00). This equation looks like 10,192 ÷ 784 = 13
This works out because you are just trying to see how many times that one day charge will fit into the total cost charge.

Hope this helps you out. If you have any questions feel free to comment! :)
6 0
3 years ago
In 2015, the population of a small town in Florida is 95. If he population increases 15% every year, approximately what will the
vova2212 [387]

The population is increasing every year. so we use exponential growth function

y=a(1+r)^x

Where 'a' is the initial population

r is the rate of increase

x is the years

y is the final population

In 2015, the population of a small town in Florida is 95

Initial population a= 95

r= 15%= 0.15

x = 2023 - 2015 = 8 years

Plug in all the values and find out y

y=a(1+r)^x

y=95(1+0.15)^8

y = 290.607

The population in 2023 is 291

8 0
3 years ago
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