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Rasek [7]
3 years ago
13

Determine the slope and y-intercept of the graph: 7x + 4y = 28

Mathematics
1 answer:
barxatty [35]3 years ago
5 0

Answer:

slope is  (-7/4) and y-intercept is 7

Step-by-step explanation:

If we convert the equation 7x + 4y = 28  into Slope-intercept form, we can find the slope and the y-intercept.

7x + 4y - 7x  =  28  - 7x

4y =  28 - 7x

divide both sides by 4

y = (28 - 7x)/4

y = 7 - 7x/4

slope is  (-7/4) and y-intercept is 7

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3 years ago
Find the midpoint of side EF. (4 points)
umka2103 [35]

Answer:

Midpoint of side EF would be (-.5,4.5)

Step-by-step explanation:

We know that the coordinates of a mid-point C(e,f) of a line segment AB with vertices A(a,b) and B(c,d) is given by:

e=a+c/2,f=b+d/2

Here we have to find the mid-point of side EF.

E(-2,3) i.e. (a,b)=(2,3)

and F(1,6) i.e. (c,d)=(1,6)

Hence, the coordinate of midpoint of EF is:

e=-2+1/2, f=3+6/2

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e=.5, f=4.5

SO, the mid-point would be (-0.5,4.5)

 

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2 years ago
-2(x+2=x-3(x+1)-1 please help me
Tcecarenko [31]
The solution would be x=0 because the statement is false.
7 0
2 years ago
Rewrite each sum as a product of a gcf as a new sum 9+15
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4 +5 = 9 and 12 + 3 =15 and there is more than this
hope I helped
7 0
3 years ago
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