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stepladder [879]
3 years ago
5

Can you guys help me with fractions I forgot over the summer. Please explain easily.

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
5 0
So in order to add the fractions together you need to first find a common denominator. For the very first problem you can use 63 as a denominator because 7*9=63. Now for the numerator. So you have 4/7 and 8/9. We just multiplied 7 by 9 so now we need to do that for 4 also. 4*9=36. Now we have 36/63. For 8/9 we multiply 8 by 7 to get 56. Now we have 36/63 + 56/63. Once you add those together you simplify your answer. 
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Answer:

Step-by-step explanation:

since you are given two points use the point- slope formula and the slope formula

y-y1 = m( x -x1)   and  m = y2 -y1 / x2 - x1        

find the slope m, 1st

p1 = (x1,y1)  given (-8,-2)

p2 = (x2,y2) given (-4,-6)

m = -6-(-2) / -4-(-8)

m = -6+2 / -4+8

m = -4 / 4

m = -1  :)

now use the slope you just found and the point-slope with either given point.. pick one.. which ever seems easier... they seem about the same to me

y - (-8) = -1(x-(-2))

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y+8 = -x-2

y = -x-2-8

y= -x-10

and your done :)

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3 years ago
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Step-by-step explanation:

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Follow rule : -(-a)= + a

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3 years ago
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Step-by-step explanation:

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Ede4ka [16]

Answer:

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Step-by-step explanation:

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Therefore, the gradient/slope is 1/3.

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