How many sides does a cylinder have

Answers

Answer 1

Answer: Hi, A cylinder has 3 faces - 2 circle ones and a rectangle

Answer 2

Answer: correct, it has 2 sides.

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If a baseball player hits a baseball from 4 feet off the ground with an initial velocity of 64 feet per second, how long will it take the baseball to hit the ground? Use the equation h = −16t2 + 64t + 4.

Answers

you need to find the roots of the function, h(t)

then h(t) = 0 = -16t^2 + 64t + 4

divide both sides by -4

4t^2 - 16 t - 1 = 0

use the quadratic function

$(-b+/- √(b^2-4ac) )/(2a)$

substitue a = 4, b = -16, c = -1

you will get t1 ≈ 0 and t2 ≈ 4

Answer: approx. 4 seconds.

Answer: 2 plus or minus the square root of 17 end root over 2

8 gallons equals how many pints?
a. 2 pt.
b. 128 pt.
c. 32 pt.
d. 64 pt.

Answers

64 pints is in 8 gallons

Are all lines of symmetry also diagonals? explain.

Answers

no not all lines of symmetry are diagonals for example a kite, but most shapes have line of symmetry. sorry if i didnt give enough information buut hope it helps;)

No. Look at a square. The sides are symmetrical, but not diagonal.

Math question6. Marla swims twice a week. Her equipment cost her $32.85 and she has a membership to the pool for $35 plus $3.50 per visit. She can walk to the pool, so transportation is free. How much will swimming cost her for the year?
(Points : 1)
$431.85
$249.85
$396.85
$492.75

Answers

Answer: Swimming will cost $431.85 for Marla (per year).

Step-by-step explanation:

Hi, to solve this we have to calculate how many weeks are in a year:

If a year has 365 days, we have to divide it by 7 ( the number of days in a week)

So: 365 / 7 =52.14 = 52 weeks

Now, with the information given we have to multiply the number of weeks by the cost per visit multiplied by 2 ( because marla swims twice a week) and add the quipment cost ($32.85) and the membership cost ($35).

Mathematically speaking:

$3.50 x 2 x 52 w + $32.85 + $35 =

$364 + $32.85 + $35 =$431.85

In conclusion, swimming will cost $431.85 for Marla (per year).

$431.85. I got this by multiplying the amount of weeks in a year (52) by two to get 104. I then multiplied that by 3.5 to get 364. I then added 32.85 and 35 to that to get $431.85

Please help as soon as you can .

Answers

Step-by-step explanation:

let's find the circumference of the semi circle. as it's a parallelogram opposite sides are equal. therefore 2 semicircles will have the same circumference

circumference of circle = 2pi r

circumference of half circle = half of circle= pi r

circumference of half circle = 22/7 × 4 ( diameter is 8 therefore radius is half of that)

circumference of half circle = 88/7

this image has 2 half circles with same radius

now find the perimeter of total figure

perimeter= 9+ 9+ 88/7 +88/7

= 18 + 176/7

= 18+ 25.14

= 43.14

to nearest tenth place = 43.1

Answer:

8+8+9+9

If 8 is the diameter then that's the answer

What is the cross section created when a slice is made perpendicular to the 2 bases of a cylinder?A.a circle

B.an ellipse

C.a rectangle

D.a triangle

Answers

The answer would be C. A cross section is defined is the intersection of a plane in a three-dimensional space. Therefore, cutting a cross section perpendicular to a cylinder would result to a rectangle where the height is equal to the height of the cylinder and its width is same as the diameter of the cylinder base.

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