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Pepsi [2]
3 years ago
9

How do I find the volume of this solid shape?

Mathematics
1 answer:
olganol [36]3 years ago
6 0

Answer: 17.28

Step-by-step explanation:

To figure out the volume of this solid you will need to do a multiplication problem. Use the equation *r^2*h

Pi = 3.14

R= 1

H= 5.5

So answer will be 17.28 ( because we round it up!)

Now for cubes you will need to use the equation V=L*W*H

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for what value of k, the line joining 3x-ky+7=0 is perpendicular to the line joining (4 ,3) and ( 5, -3).
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Answer:

  • k = 18

=========

<h2>Given</h2>

<h3>Line 1</h3>
  • 3x - ky + 7 = 0

<h3>Line 2</h3>
  • Passing through the points (4, 3) and (5, - 3)

<h2>To find</h2>

  • The value of k, if the lines are perpendicular

<h2>Solution</h2>

We know the perpendicular lines have opposite reciprocal slopes, that is the product of their slopes is - 1.

Find the slope of line 1 by converting the equation into slope-intercept from standard form:

<u><em>Info:</em></u>

  • <em>standard form is ⇒ ax + by + c = 0, </em>
  • <em>slope - intercept form is ⇒ y = mx + b, where m is the slope</em>

  • 3x - ky + 7 = 0
  • ky = 3x + 7
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Its slope is 3/k.

Find the slope of line 2, using the slope formula:

  • m = (y₂ - y₁)/(x₂ - x₁) = (-3 - 3)/(5 - 4) = - 6/1 = - 6

We have both the slopes now. Find their product:

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So when k is 18, the lines are perpendicular.

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Answer:

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<h2><u>We know that Milo cut his cake into 2 different pieces, so:</u></h2>

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<h2><u>He then eats two pieces of the cake. so:</u></h2>

2  pieces  of  cake  =  x

\frac{2}{2}   = 1

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Answer:

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Step-by-step explanation:

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