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Crazy boy [7]
3 years ago
5

Find the volume of following cube: Figure is not drawn to scale Volume of the cube =

Mathematics
1 answer:
VLD [36.1K]3 years ago
7 0

Answer:

720

Step-by-step explanation:

the formula is: L×W×H=V or V=a cubed

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GEOMETRY HELP PLEASE?!?!
erica [24]

Collinear points are the set of points that lies on the same straight line. In the term collinear, co refers to togetherness and linear refers to line. So collinear refers to the points that hang on the same line together. The point that does not lie on the same line is called as non-collinear points.

Check all options:

A.  Points R, D, and E do not lie on the same straight line, they are non-collinear points.

B.  Points F, W, and R lie on the same straight line, they are collinear points.

C. Points Q, E, and T lie on the same straight line, they are collinear points.

D. Points W, E, and T do not lie on the same straight line, they are non-collinear points.

Answer: correct choice is B and C.

4 0
3 years ago
Read 2 more answers
Which expression is equivalent to sin^2(pi/2 - x)/ sin x?
Yuki888 [10]
We\ know:\\\\\sin\left(\dfrac{\pi}{2}-x\right)=\cos x\\and\\\sin^2x+\cos^2x=1\to\sin^2x=1-\cos^2x\\---------------------------\\\\\dfrac{\sin^2\left(\dfrac{\pi}{2}-x\right)}{\sin x}=\dfrac{\cos^2x}{\sin x}=\dfrac{1-\sin^2x}{\sin x}=\dfrac{1}{\sin x}-\dfrac{\sin^2x}{\sin x}\\\\=\dfrac{1}{\sin x}-\sin x=\csc x-\sin x
3 0
3 years ago
Choose the explanation that shows why ΔADE is similar to ΔABC.
Elan Coil [88]
Hello,

First of all,
C. and D. are both incorrect because they apply translations to ABC; translations will misalign ADE with ABC.

Next,
A. is incorrect because a dilation of 1/2 will place D at (0,3) from its original point of (0,2). Also, the dilation will place E at (6,0) from its original point of (4,0). The triangle ADE would be too small to map ABC.

Finally,

B. Is the correct answer because a dilation of 2 will place D at (0,4)—where B is—and will place E at (8,0), where C is.
Choice B. maps ADE onto ABC

Sorry for that much information, but I think it’s useful. XD
8 0
3 years ago
What is the additive inverse of -6.
Minchanka [31]

Answer: 6

Step 1: Subtract 6 to get to 0.

-6 - 6 = 0.

Step 2: Add 6.

0 + 6 = 6.

Answer = 6

3 0
3 years ago
Find the approximate volume of the figure below, composed of a cone, a cylinder, and a hemisphere. If necessary, round your answ
mixas84 [53]

Answer:

Volume of the solid = 480.42m³

Step-by-step explanation:

To sov this question, we'll have to break the solid into different shapes of solid to solve it easily.

Volume of a cylinder = πr²h

volume of a hemisphere = 4/3πr³

Volume of a cone = ⅓πr²h

π = 3.14

r = 3m

h(cylinder) = 11m

Slant height of cone = 3√(2)

Height of cone = ?

To find height of cone, we can use pythagorean theorem

a² = b² + c²

[ 3√(2)]² = 3² + c²

9*2 = 9 + c²

C² = 18 - 9

C = 9m

Height of the cone = 9m

Volume of a cylinder = πr²h

V = 3.14 * 3² * 11

V = 310.86m³

Volume of the cylnder = 310.86m³

Volume of the hemisphere = 4/3πr³

V = 3.14 * 3³

V = 84.78m³

Volume of the hemisphere = 84.78m³

Volume of the cone = ⅓πr²h

V = ⅓ * 3.14 * 3² * 9

V = 84.78

Volume of the cone = 84.78m³

Volume of the solid = volume of cone + volume of hemisphere + volume of cylinder

Volume of the solid = 84.78 + 84.78 + 310.86

Volume = 480.42m³

5 0
3 years ago
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