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Vika [28.1K]
3 years ago
6

What is the point-slope form of the equation of a line that passes through the point (6, −8) and has a slope of −2? y+8=2(x-6) o

penstudy?
Mathematics
1 answer:
Olin [163]3 years ago
6 0
Point-slope form : y-y₁=m(x-x₁) ; Where m=slope

Passes through (6, -8) ; Slope is -2

Simply plug everything in :)

y - (-8) = -2(x - 6)

Simplify.

y + 8 = -2x + 12 → Answer

The answer from Openstudy is incorrect, because our slope is negative, not positive.

~Hope I helped!~

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What is the area of a triangle whose side is 17 meters long​
Lunna [17]

Answer:

125.141

Step-by-step explanation:

Assuming that this is an equilateral triangle, I am going to divide this triangle in half to get a right triangle.

17 is our hypotenuse

17/2 = 8.5, this is one of our legs

The other leg is our height, which we will find.

We use Pythagoras Theorem to find the height/leg: a^{2} +b^{2} =c^{2}

17^{2} -8.5^{2} = 216.75

\sqrt{216.75} = 14.72243186

Now, we use another formula to find the area of the triangle: \frac{Base*Height}{2}

14.72243186 × 17 = 250.2813416

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8 0
3 years ago
What is the value of 8 in the number 8000
Free_Kalibri [48]

Answer: 8000

Step-by-step explanation:

6 0
3 years ago
A person can see the top of a building at an angle of 65°. The person is standing 50 ft away from
zhannawk [14.2K]

9514 1404 393

Answer:

  (b)  112.2 ft

Step-by-step explanation:

The relevant trig relation is ...

  Tan = Opposite/Adjacent

For the given geometry, this becomes ...

  tan(65°) = (height above eye level)/(50 ft)

Then we have ...

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Adding the height of eye level will give us the height of the building.

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  building height = (5 ft) + (107.2 ft)

  building height = 112.2 ft

6 0
2 years ago
A 5 poundbag of peanuts costs $9.30. It's going to be divided into 3/4 pound bags. How much will one bag cost?
dsp73
9.3/5 means that each pound is $1.86.

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7 0
3 years ago
What is 8 2/5 as a decimal number
Firdavs [7]

Answer:

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Step-by-step explanation:

8 is a whole njmber, so it stays the same.

2/5 is equivalent to .4, so you put that at the end.

Your answer is 8.4 Hope this helps!

7 0
3 years ago
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