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Leona [35]
4 years ago
12

Find the volume of the solid bounded by the cylinders

" title="x^2+y^2=16r^2" alt="x^2+y^2=16r^2" align="absmiddle" class="latex-formula"> and y^2+z^2=16r^2
I get 376r^3/3 however this is incorrect.
Mathematics
1 answer:
sweet [91]4 years ago
3 0
Let's solve for r.<span><span><span>x2</span>+<span>y2</span></span>=<span>16<span>r2</span></span></span>Step 1: Flip the equation.<span><span>16<span>r2</span></span>=<span><span>x2</span>+<span>y2</span></span></span>Step 2: Divide both sides by 16.<span><span><span>16<span>r2</span></span>16</span>=<span><span><span>x2</span>+<span>y2</span></span>16</span></span><span><span>r2</span>=<span><span><span>116</span><span>x2</span></span>+<span><span>116</span><span>y2</span></span></span></span>Step 3: Take square root.<span><span>r=<span><span><span><span><span>116</span><span>x2</span></span>+<span><span>116</span><span>y2</span></span></span> or </span>r</span></span>=<span>−<span><span><span>116</span><span>x2</span></span>+<span><span>116</span><span>y2</span></span></span></span></span>Answer:<span><span>r=<span><span><span><span><span>116</span><span>x2</span></span>+<span><span>116</span><span>y2</span></span></span> or </span>r</span></span>=<span>−<span><span><span>116</span><span>x2</span></span>+<span><span>116</span><span>y2</span></span></span></span></span>
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atroni [7]
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4 0
3 years ago
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masha68 [24]

Answer:

x=65

Step-by-step explanation:

90 degree angle

90-25= 65

8 0
3 years ago
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Match all the part of the circle to their correct name.
Taya2010 [7]

Answer:

halo

1. YW - chord

2. Q - center

3. WX - tangent line

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8 0
3 years ago
In a biathlon , jackson cycled 9 miles in 3/4 of an hour in the first event. He than ran, on average, 7 miles per hour slower in
lozanna [386]

Answer:

7.5 miles

Step-by-step explanation:

Given

  • In cycling,He covered 9 miles in \frac{3}{4} hours,Therefore his avg cycling speed, u=\frac{Distance}{Time} =\frac{9}{\frac{3}{4} } =12\frac{miles}{hour}
  • In second event, It took him 1\frac{1}{2} =\frac{3}{2}hours to complete,And his avg speed,v is  7\frac{miles}{hour} slower than in previous event

⇒v= u-7

v= 12-7

v=5

Distance covered in 1st event=9miles

Distance covered in 2nd event=Speed\times Time= 5\times \frac{3}{2} =7.5miles

4 0
3 years ago
The perimeter of a rectangle is 34 units. Its width is 6.5 units. Write an equation to determine the length of the rectangle.
julsineya [31]

Answer:

The length for a rectangle with a perimeter of 34 units and a width of 6.5 units would be 10.5 units.

Step-by-step explanation:

To find the length, you can use the equation [34 - (6.5 x 2) ÷ 2 = the length]. So, 6.5 x 2 = 13, then 34 - 13 = 21, finally, 21 ÷ 2 = 10.5 . So the length of the rectangle is 10.5 . To double check, (6.5 x 2) + (10.5 x 2) (=) 34. So this answer is correct.

7 0
4 years ago
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