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seropon [69]
3 years ago
15

Part 1: Write the equation of the line that passes through the points (–1, –4) and (2, 5).

Mathematics
2 answers:
jeyben [28]3 years ago
5 0
Y - (-4) = (5 - (-4))/(2 - (-1)) (x - (-1))
y + 4 = (5 + 4)/(2 + 1) (x + 1)
y + 4 = 9/3 (x + 1)
y + 4 = 3(x + 1)
y + 4 = 3x + 3
y = 3x + 3 - 4
y = 3x - 1

Fittoniya [83]3 years ago
3 0
Slope is important; so lets find it; subtract points and stack y/x (2 , 5) (–1, –4) ------- 3 , 9 ; slope = 9/3 = 3 the equation of the line is: y = mx -mPx + Py , where (Px,Py) is any point that is given

and m=slope :) y = 3x -3(2)+5 y = 3x -6+5 y = 3x -1
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Nana76 [90]

Answer:

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Step-by-step explanation:

The given parameters of the cone are;

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The volume of the cone, V = 7.77 ft.³

The volume, 'V', of a cone is given by the following formula;

V = 1/3 × π·r²·h

Where;

V = The volume of the cone = 7.77 ft.³

r = The radius of the cone

h = The height of the cone = 4 ft.

By substituting the vales of 'h' and 'V' in the above equation, we have;

7.77 ft.³ = 1/3 × π × r² × 4 ft.

∴ r = √(3 × 7.77 ft.³/(π × 4 ft.)) = 1.36196580784 ft.

∴ The radius of the cone, r ≈ 1.4 ft. (rounding the answer to the nearest 10th)

4 0
3 years ago
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algol [13]

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8 0
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