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lana [24]
3 years ago
13

Find an equation of the line described (3,7) (0,0)

Mathematics
1 answer:
Colt1911 [192]3 years ago
3 0
The formula of the line is
y=mx + b
The likes goes through the point (0,0)
that means that y-int = 0, b=0
y=mx
So we need to find only slope.

m= \frac{y_{2}-y_{1}}{x_{2}-x_{1}} =  \frac{7-0}{3-0} = \frac{7}{3} 



So, y= \frac{7}{3} x



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Look at Attachment, giving a lot of points for the answer to questions.
tatiyna

Answer:

see below

Step-by-step explanation:

1.

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

    = (90-80)/(0-1)

     = 10/-1

   =-10

The slope is -10 ft/s

This means the height decreases 10 ft for every second that passes

This is not proportional because it has to go through the point (0,0)

4.

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

    = (1000-0)/(3-0)

     = 1000/3

   =1000/3

The slope is $1000/3

This means the 1000 dollars is sold every 3 days

This is proportional because it goes through the point (0,0) and has a constant slope

7 0
3 years ago
Read 2 more answers
Which statement is the correct interpretation of the inequality −4 > −5? (5 points)
Nataly_w [17]

Answer:

On a number line, -4 is located to the right of -5

Step-by-step explanation:

7 0
3 years ago
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11. Caroline wraps packages at a store. She wraps
Eddi Din [679]

Answer:

<em>C. in five hours Caroline wraps an odd number of packages</em>

Step-by-step explanation:

<em>for</em><em> A until hours you would multiply 2 by 9 and 2 by 9 is 18 and that's an even number so it's not A.</em>

A eliminated.

for B in 3 hours 3 by 9 is 27 and that's an odd number so B is automatically eliminated.

<em>for C in 5 hours all you would do is multiply the 9 by 5 and 9 by 5 is 45 and 45 is indeed an odd number so C is your answer.</em>

<em>for D 7 by 9 is 63 and 63 is an odd number so we already know that C is the answer but still we got to check and D is wrong because 63 is not an even number.</em>

8 0
3 years ago
The midpoint of DF is E(-5, 4). If the coordinates of Fare (-4, 2), What are the coordinates of D?
deff fn [24]

Answer:

(-6,6)

Step-by-step explanation:

8 0
2 years ago
What are the sides of a rectangular prism increased by if the volume increases from 54 mm3 to 3456 mm3?
kotykmax [81]

Answer:

The sides of the original rectangular prism have been increased by a scale factor of 4

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Let

z----> the scale factor

x---> volume of the increased rectangular prism

y---> volume of the original rectangular prism

z^{3}=\frac{x}{y}

substitute

z^{3}=\frac{3,456}{54}=64

z=4 -----> the scale factor

therefore

The sides of the original rectangular prism have been increased by a scale factor of 4

6 0
3 years ago
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