What the fraction of a circle of 30 degree?

Answers

Answer 1

Answer:

The required fraction of a circle of 30 degree is $(1)/(12)$

A circle consists of 360°, so we can write the fraction.

Which can be simplified to by dividing the numerator and denominator by 30degree.

Fraction circles are a set of nine circles of various colors.

Each circle is broken into equal fractional parts and uses the same-sized whole. The circles included are one whole as well as circles divided into halves.

Since a circle measures 360 degrees, $(1)/(360)$ of it would be one degree, a very angle.

Fraction of a circle of 30 degree = Fraction of circle ÷ Total area of circle

Fraction of a circle of 30 degree = $(30)/(360)$

Fraction of a circle of 30 degree = $(1)/(12)$

Hence, The required fraction of a circle of 30 degree is $(1)/(12)$ .

For more information about Fraction of Circle click the link given below.

brainly.com/question/2501134

Answer 2

Answer: The fraction of 30 of a circle is 1/12

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7x-8x+4=5x-2 solve for x

Answers

7x - 8x + 4 = 5x - 2

7x - 8x - 5x = -2 - 4

-6x = -6

x = 1

$7x-8x+4=5x-2 \n 4+2=5x-7x+8x \n 6=6x \n 6/6=x \n 1=x$

Blair's garden is four feet shorter than double its width. The perimeter of the garden is 64 feet. The width of the garden is ___ feet.

The length of the garden is ____ feet.

Answers

Answer:

The width of the garden is 12 feet.

The length of the garden is 20 feet.

Step-by-step explanation:

Let l be the length and w be the width

Then according to given statements

$l = 2w-4\ \ \ Eqn\ 1$

Second equation is:

$2l+2w = 64\ \ \ \ Eqn\ 2$

Putting l = 2w -4 in equation 2

$2(2w-4)+2w = 64\n4w-8+2w = 64\n6w -8 = 64\n6w = 64+8\n6w = 72\n(6w)/(6) = (72)/(6)\nw = 12$

Putting w = 12 in equation 1

$l = 2(12)-4 = 24-4 = 20$

Hence,

The width of the garden is 12 feet.

The length of the garden is 20 feet.

Starting from 300 feet away, a car drives toward you. It then passes by you at a speed of 48 feet per second. The distance d (in feet) of the car from you after t seconds is given by the equation d=|300−48t|. At what times is the car 60 feet from you?

Answers

The answer to this question would be: 5 second

In this question, you are given the initial distance (300ft), car velocity(48ft/s) and the final distance(60ft). You are also given the equation to calculating the distance, so this question should be easier. The question is when the time where the distance is 60 ft. So the answer would be:

distance= 300-48t

60 = 300ft- 48t

48t= 300- 60=240

t= 5

Find the product.(-d + 4)(-d - 4)
-d2 - 16
d2 - 16
d2 + 16
d2 - 8d - 16

Answers

(-d + 4) (-d - 4) = 0
-d(-d - 4) + 4(-d - 4) = 0
d² + 4d - 4d - 16 = 0
d² - 16 = 0 2nd choice.

We can find the value of d.
d² - 16 = 0
d² = 16
√d² = √16
d = 4

to check:
(-4+4) (-4 - 4) = 0
0 (-16) = 0
0 = 0

Multiplication property of 0. Any number multiplied by 0 is equal to 0.

Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. Please explain how you got the answer.
e^x=3.4

2^x+6=3

Answers

$e^x=3.4\n x=\ln 3.4\approx1.22\n\n 2^x+6=3\n 2^x=-3\n x\in\emptyset$

Cynthia ate 1/4 of the pizza. if the pizza has egiht slices how many slices left?

Answers

There are 6 slices left because she ate 2

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A bowl contains 8 blue marbles and 5 green marbles. Elizabeth randomly draws 4 marbles form the bowl. she does not replace the marbles after each draw. what is the probability that she draws 1 blue marble and 3 green marbles?A. 4/13B. 13/143C. 4/143D. 16/143