1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Archy [21]
3 years ago
6

I need help! please and thank you

Mathematics
1 answer:
earnstyle [38]3 years ago
7 0

Answer:

20\pi m

OR

62.8318531 m

Step-by-step explanation:

This is actually pretty simple

The distance the tip travels is the arc length and the length of the pendulum is the radius of a circle

The formula for arc length is <u>Angle in Radians x Radius</u>

<u></u>

So pi/12 * 4 = pi/3 m

We know this is how much it travels every second so it is going at pi/3 m/s

One minute is 60 seconds

pi/3 * 60 = 20pi m

You might be interested in
How do you graph y=-3x+4
Art [367]

It's a linear function. The graph is a straight line, therefore we need only two points.

Select any value of x and calculate the value of y:

y = -3x + 4

for x = 0 → y = -3(0) + 4 = 4 → (0, 4)

for x = 2 → y = -3(2) + 4 = -2 → (2, -2)

4 0
3 years ago
Find the area of the shaded region.
lbvjy [14]

Answer:

48\pi\\\approx 150.796

Step-by-step explanation:

1.Approach

To solve this problem, find the area of the larger circle, and the area of the smaller circle. Then subtract the area of the smaller circle from the larger circle to find the area of the shaded region.

2.Find the area of the larger circle

The formula to find the area of a circle is the following,

A=(\pi)(r^2)

Where (r) is the radius, the distance from the center of the circle to the circumference, the outer edge of the circle. (\pi) represents the numerical constant (3.1415...). One is given that the radius of (8), substitute this into the formula and solve for the area,

A_l=(\pi)(r^2)\\A_l=(\pi)(8^2)\\A_l=(\pi)(64)

3.Find the area of the smaller circle

To find the area of the smaller circle, one must use a very similar technique. One is given the diameter, the distance from one end to the opposite end of a circle. Divide this by two to find the radius of the circle.

8 ÷2 = 4

Radius = 4

Substitute into the formula,

A_s=(\pi)(r^2)\\A_s=(\pi)(4^2)\\A_s=(\pi)(16)

4.Find the area of the shaded region

Subtract the area of the smaller circle from the area of the larger circle.

A_l-A_s\\=64\pi - 16\pi\\=48\pi

\approx150.796

5 0
2 years ago
Please answer this fast in two minutes
Musya8 [376]

Answer:

65 degrees.

Step-by-step explanation:

If LN and OQ are parallel, and QPM is 115, then LMK is also 115. LMP is the supplement, so it would be 65

Hope this helps!

6 0
3 years ago
Read 2 more answers
Which is the better buy? 5 oranges for $1.60 or 7 oranges for $2.45
Digiron [165]
I think 7 oranges for $2.45 are better.
8 0
3 years ago
Read 2 more answers
The expression to find the perimeter of a rectangle is 2(length + width). What is the 1 perimeter, in units, of a rectangle of l
Svetradugi [14.3K]
The answer would be 18 units I believe

2(7+2)
2(9)
18 units

8 0
2 years ago
Read 2 more answers
Other questions:
  • Does someone get this oh sorry about the picture
    15·2 answers
  • At the start of a tennis match Ivan had 28/32 quart of water in his water bottle. He drank water from the bottle during the matc
    6·1 answer
  • Which expression is NOT equal to 125? (1 point)
    10·1 answer
  • Which set of side lengths form a right triangle?
    7·1 answer
  • -4x-2y=-12<br> 4x+8y=-24
    6·2 answers
  • Ughh i suck at dilation
    12·1 answer
  • Find the probability that a randomly selected group of five adults will contain all men. Give your answer as a reduced fraction.
    9·1 answer
  • What is 256 = what to the forth power
    7·2 answers
  • DO THESE ON A PIECE OF PAPER! PLEASE HELP! QUICK!!DO ALL OF THEM!!!
    8·2 answers
  • The slope of the line is - 2<br> O True<br> O False
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!