3 years ago

Determine the slope of the line that passes through each pair of points. A (0,1) ,B (2,7)

1 answer:

8 0

Your answer should be 3

Use this formula to solve slopes:

m = (y2 – y1) / (x2 – x1)

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Is the relationship shown by the data linear? x -9, -5, -1, 3 y -2,-7,-12, -17

Temka [501]

x y
------ -----
-9 -2
-5 -7
-1 -12
3 -17

ur x's all have a difference of 4, and ur y's all have a difference of -5...so yes, this is linear with a slope of (-7+2) / (-5 + 9) = -5/4

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3 years ago

What type of triangle is triangle ABC give reasons for your answer help please I need 1 more mark But I don't know what I'm doin

ladessa [460]

Answer: isosceles

Step-by-step explanation:

By the alternate interior angles theorem, $\angle CAB=50^{\circ}$

Since angles in a triangle add to 180 degrees, $\angle ACB=180^{\circ}-80^{\circ}-50^{\circ}=50^{\circ}$

Since sides opposite equal angles in a triangle are equal, $AB=BC$ .

So, triangle ABC is isosceles

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2 years ago

Please help me with this question

zubka84 [21]

Answer: c. f - 3 + 6d

Explanation: 5d - d + 4 + 2d - 5f - 6f - 7
- 5f - 6f = f
4 - 7 = -3
5d - d = 4d, 4d + 2d = 6d

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2 years ago

Use elimination to solve 4x – 2y = -14 3x - y = -8

Xelga [282]

X = -1, y = 5. Hope this helps

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3 years ago

I need help with these questions

Gnesinka [82]

6. n=14
7. 3 hours
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3 years ago

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