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kumpel [21]
3 years ago
14

In the angle below, points B and C are fixed, but AB can rotate in space around BC A If ZABC is always 45° what 3-dimensional sh

ape is created by the rotating segment? Come cylinder pyramid triangular prism​

Mathematics
1 answer:
inysia [295]3 years ago
7 0

Answer: Choice A) cone

One way to picture this is to think of a propeller. As the propeller spins, it carves out a 3D space even though the blade is "2D" in a sense.

If we spin everything around segment BC, we get a 3D cone forming. The base of the cone is vertical and it has a radius of AC. The height of the cone is segment BC. It might help to rotate the paper 90 degrees clockwise so that BC is vertical.

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A frog leaps 24 inches. The highest point in the jump is 6 inches. Assume the frog starts at (0,0). What quadratic function mode
Ivanshal [37]
The path is in the shape of a parabola, the horizontal length is 24, so the middle point is at x=12, the symmetry line is x=12, the highest point (the vertex) is at (12,6)
the equation in vertex form is y=a(x-12)²+6
next, find a by using either one of the two points, the starting point (0,0) or the end point (0,24). obviously (0,0) is easier to calculate:
0=a(0-12)² +6
a=-1/24
so the quadratic equation is y=-\frac{1}{24} (x-12)^2+6
5 0
3 years ago
Make 'm' the subject of the formula'k=3m-2
zaharov [31]

Answer:

m =  \frac{k + 2}{3}

Step-by-step explanation:

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4 0
3 years ago
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Solve the lower equation first

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7x=51
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3 0
3 years ago
Find the area of the figure. Sides meet at right angles. No links please
OLga [1]

Answer:

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Hope that helps!

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lora16 [44]

x^2-16x+64=0

Method 1.

Use (a-b)^2=a^2-2ab+b^2

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Method 2.

x^2-8x-8x+64=0\\\\x(x-8)-8(x-8)=0\\\\(x-8)(x-8)=0

The solution to this equation is the number 8

8 0
3 years ago
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