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3 years ago

Length=x^2 -8; W= -x+12 PLEASE HELP!

Mathematics

1 answer:

ASHA 777 [7]3 years ago

4 0

L×W
x^2+8x+12
am not sure

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Point-Slope form <br> What is y+3= -2(x+1)

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Answer:

$y = -2 x -5$

Step-by-step explanation:

Step 1:-

The standard form point-slope form is $y-y_{1} =m(x-x_{1} )$

so given equation is $y+3 = -2 (x+1)$

simplify $y= -2 x-2-3$

$y= -2 x -5$

Final answer :- $y = -2 x -5$

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Galina-37 [17]

Answer:

(1.5,2.5)

Step-by-step explanation:

f(x) = 2x^2 - 6x + 7

Take the first derivative and set it equal to 0 (the slope is 0 at the vertex)

f'(x) = 4x -6

0 = 4x - 6

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2 years ago

N - 4 = 3n + 6 Yikesss

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Step-by-step explanation:

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3 years ago

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The radius of the cone is 7 in and y = 25 in. What is the volume of the cone in terms of π? A cone with a right triangle formed

Lady bird [3.3K]

Answer:

142.1π in³

Step-by-step explanation:

Given that:

The radius (r) = 7 in

The slant height (y) = 25 in

Then the height (x) can be determined by using the Pythagoras rule:

y² = x² + r²

25² = x² + 7²

125 = x² + 49

125 - 49 = x²

x² = 76

x = √76

x = 8.7

The formula for the volume of a cone is;

= 1/3 πr²h

where;

height(h) is calculated as "x" from above = 8.7

Then;

= 1/3 × π × (7 in)² × 8.7 in

= 142.1π in³

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2 years ago

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