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2 years ago

How do you find the circumference of part of a circle?

2 answers:

7 0

Answer: To calculate the circumference of a circle, multiply the diameter of the circle with π (pi). The circumference can also be calculated by multiplying 2×radius with pi (π=3.14).

hope this helps!

Citrus2011 [14]2 years ago

4 0

The circumference of the circle is $2\pi r = \pi d$

r: radius
d: diameter which is twice the length of the radius

Hope that helps!

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Which sentence is TRUE!!!!!!

kotykmax [81]

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3 years ago

A soccer field for a youth league has an area of 4000 square yards and is 60% longer than it is wide what is the length of the f

olasank [31]

Let

width,w

length, l = 1.6w ...eqn 1

area, a = l × w ...eqn 2

subst for l in eqn 2

a = 1.6 w × w = 4000

4000 = 1.6 w^2

w^2 = 2500

w = 50

subst for w in eqn 1

l = 50 x 1.6 = 80

length = 80 yds

width = 50 yds

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3 years ago

A dozen roses cost $60.00. What is the cost of two roses?

Andreas93 [3]

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3 years ago

Read 2 more answers

Help question attached multiple choice

Rina8888 [55]

ANSWER

$x = \frac{\pi}{2} , \frac{7\pi}{6} , \frac{3\pi}{2} , \frac{11\pi}{6}$

EXPLANATION

The given trigonometric equation is

$\cos(x) + 2 \cos(x) \sin(x) = 0$

We factor cos(x) to get:

$\cos(x) (1 + 2 \sin(x) ) = 0$

Apply the zero product property to obtain:

$\cos(x) = 0 \: or \: 1 + 2 \sin(x) = 0$

$\cos(x) = 0 \: or \: \sin(x) = - \frac{1}{2}$

Using the unit circle,

$\cos(x) = 0$

when

$x = \frac{\pi}{2}$

and

$x = \frac{3\pi}{2}$

We know

$\sin(y) = \frac{1}{2}$

when

$y= \frac{\pi}{6}$

The sine function is negative in the third and fourth quadrants.

$x = \pi + \frac{\pi}{6} = \frac{7\pi}{6}$

$x = 2\pi - \frac{\pi}{6} = \frac{11\pi}{6}$

Hence the solutions are:

$x = \frac{\pi}{2} , \frac{7\pi}{6} , \frac{3\pi}{2} , \frac{11\pi}{6}$

6 0

3 years ago

293+290+287+284+...+2

Dahasolnce [82]

Answer:

$281$

Explanation:

$-3n+296$

$-3(5)+296$

$-15+296$

3 0

3 years ago