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sergij07 [2.7K]
3 years ago
9

What is the positive interval of 4x-2y=8

Mathematics
1 answer:
Delvig [45]3 years ago
4 0

Answer:

2

Step-by-step explanation:

the only positive variable after the problem is solved is 2

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VashaNatasha [74]

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 answer

 the area of the city is 41 units^2

Step-by-step explanation:

41 square miles If you draw the outline of the city, you'll realize that if you draw a line from point B to point D, that you can subdivide the city into a triangle and a trapezoid. After performing the division, you can then calculate the area of both polygons and the add their areas together. So first, let's deal with the trapezoid ABDE. The area of a trapezoid is the average of the length of the parallel sides multiplied by the height. The parallel sides are AB and DE. So: ((18-10)+(14-10))*(9-4.5)/2 =(9 + 4)*(4.5)/2 = 12*4.5/2 = 27 Now for the area of triangle BCD. The area of a triangle is 0.5*b*h where b is the base and h the height. I'll use BC as the base and the distance from BC to D as the height. So: (9-2)*(18-14)/2 = 7*4/2 = 14 And now to add the areas. 27 + 14 = 41 So the area of the city is 41 square miles. Note: The subdivision used is not the only possible subdivision, just one of the easier ones. I could have divided the city area into 3 triangles ABE, BDE, and BCD and solved it that way instead. It was just a happy coincidence that AB and DE were parallel and as such I was able to use trapezoid ABDE instead of the two triangles ABE and BDE.

6 0
2 years ago
Please help i have no idea what this is!!
Nesterboy [21]

Answer:

B

Step-by-step explanation:

y - y1 = m (x - x1)

y1 = 3

x1 = 5

m(the slope)= -12

7 0
2 years ago
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Alecsey [184]

\huge \rm༆ Answer ༄

The required information needed to prove the two triangles congruent by HL congruency criteria is ~

  • \sf  {VW}  \cong BA

6 0
2 years ago
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