MATHEMATICS COLLEGE

Which of the following is a polyhedron? Check all that apply.A. Prism
B. Pyramid
C. Cone
D. Polygon

Answers

Answer 1
Answer: A polyhedron is three dimensional solid that only has flat faces. It contains vertices and straight edges. From the choices, the solids that would be considered as polyhedron are prism and pyramid. A cone cannot be considered as such since it containsa round surface. A polygon is a two dimensional shape thus it does not satisfy the condition of a polyhedron.
Answer 2
Answer:

The Prism and Pyramid is a typical example of polyhedron. That is optionA and B.

The polyhedron

A polyhedron is any solid that has a three dimensional shape with all its sides flat. It is made up of different polygons that join together.

These polyhedron are made up of three parts:

  • The face: They are the flat surfaces

  • The edge: The region where two flat surfaces meet

  • The vertex: The point of intersection of the edges of the polyhedron.

Examples of polyhedron are the Prism and Pyramid. The prisms have flat faces and is made up of rectangles while the pyramids is made up of triangles and different polygons.

Therefore, the Prism and Pyramid is a typical example of polyhedron.

Learn more about polyhedron here:

brainly.com/question/24324783

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An attacker at the base of a castle wall 4 m high throws a rock straight up with speed 7.5 m/s from a height of 1.5 mabove the ground.(a) Will the rock exceed the top of the wall?(b) If so, what is its speed when it reaches the top of the wall? Page 4 of 74(c) If we don’t want the stone to exceed the top of the wall (we want the top of the wall to be the maximum height)what the initial speed that the stone must have?
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Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line.y = 6 sin x, y = 6 cos x, 0 ≤ x ≤ π/4; about y = −1

Answers

hmm well, here an example y=3 ,

 y=3 , rather than the  x− x− axis.) Your integrand looks fine and reduces to

 (9−18sinx+9sin2x) − (9−18cosx+9cos2x) (9−18sin⁡x+9sin2⁡x) − (9−18cos⁡x+9cos2⁡x)

= 18 (cosx−sinx) + 9 (sin2x−cos2x) = 18 (cosx−sinx) − 9 cos2x .= 18 (cos⁡x−sin⁡x) + 9 (sin2⁡x−cos2⁡x) = 18 (cos⁡x−sin⁡x) − 9 cos⁡2x .

The evaluation of the volume is then

π [ 18 (sinx+cosx) − 92sin2x ]π/40π [ 18 (sin⁡x+cos⁡x) − 92sin⁡2x ]0π/4

= π ( [ 18 ( 2–√2+2–√2) − 92⋅1 ] − [ 18 (0+1) − 92⋅0 ] ) = π ( [ 18 ( 22+22) − 92⋅1 ] − [ 18 (0+1) − 92⋅0 ] ) 

= π ( 182–√ − 92 − 18 ) = π ( 182–√ − 452 )  or  9π2 ( 42–√ − 5 )  ,

0.00000000005 in scientific notation

Answers

It can be written as 5 x 10^ -11 or 0.5 x 10^ -10

Hope it helps.

Solve this equation
3x+6=-2-2x

Answers

Answer:

x = -8/5

x = -1.6

Step-by-step explanation:

3x+6=-2-2x

Add 2x to each side

3x+2x+6=-2-2x+2x

5x+6 = -2x

Subtract 6 from each side

5x+6-6 = -2-6

5x= -8

Divide each side by 5

5x/5 = -8/5

x = -8/5

x = -1.6

A fire ranger stands atop an observation tower 70 feet above the ground and sees a fire in the distance. She measures the angle of depression from where she is to the fire and finds it to be 34° How far away from the base of the tower is the fire?​

Answers

Answer:

103.78\:\mathrm{ft}

Step-by-step explanation:

We can form a right triangle where the distance between the ranger's current position and fire is the hypotenuse of the triangle. In a right triangle, the tangent of an angle is equal to its opposite side divided by the hypotenuse.

Therefore, we have:

\tan 34^(\circ)=(70)/(x), where x is the distance between the base of the tower and the fire.

Solving, we get:

x=(70)/(\tan 34^(\circ))=103.779267796\approx \boxed{103.78\:\mathrm{ft}}

The temperature in Fargo was -6 degrees C at 10 a.m. by noon the temperature went up 4 degrees​

Answers

Answer:

The answer is B) point b hope this helps

Step-by-step explanation:

Point B or the second responce the point is that you chose answer B hope it helps and if it helps bote or click thanks it was a honor to help you

What is the 8th term of this sequence 2,8,18,36,66, 112,178

Answers

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