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Luden [163]
2 years ago
10

Find the equation of a line through the points (-1, 3) and (2,-5). show all work please!​

Mathematics
1 answer:
masha68 [24]2 years ago
3 0
Find the gradient so (-5-3)/(2+1) =-8/3 input it in y=mx+c and also use the coordinates from the question

So it becomes
3=-8/3 (-1) + c
C=1/3
Y=-8/3 x+1/3
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What is the surface area of a cube with a edge of 5
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Step-by-step explanation:

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What is the opposite of -14
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14 is the opposite of -14

Step-by-step explanation:


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The perimeter of the isosceles ?ABC with the base BC is equal to 40 cm. Perimeter of the equilateral ?BCD is 45 cm. Find AB and
Juliette [100K]

Answer: AB = 12.5, BC = 15

<u>Step-by-step explanation:</u>

Perimeter of ΔBCD = BC + CD + BD. Since it is an isoceles triangle, then BC = CD = BD. So, Perimeter of ΔBCD = 3BC

3BC = 45

<u>÷3   </u>    <u>÷3 </u>

 BC = 15

Perimeter of ΔABC = AB + BC + AC.  Since it is an isosceles triangle with BC as the base, then AB = AC. So, Perimeter of ΔABC = 2AB + BC

2AB + BC = 40

2AB + 15 = 40

<u>          -15</u>  <u> -15 </u>

2AB       = 25

<u>÷2         </u>   <u>÷2  </u>

      AB  = 12.5

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3 years ago
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