Answer: Choice B
Equation of a circle with (0,0) as its center and radius = 1
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Explanation:
Recall that the unit circle is the equation
x^2 + y^2 = 1
This is a circle with center (h,k) = (0,0) and radius r = 1
It is in the form
(x-h)^2 + (y-k)^2 = r^2
We can write the first equation mentioned in the form sin^2(t)+cos^2(t) = 1
Using
x = cos(t)
y = sin(t)
t = angle
The point P(x,y) on the unit circle has an x coordinate of cos(t) and a y coordinate of sin(t). We can see this through drawing a right triangle.
Answer:
12/30 = 40%
Step-by-step explanation:
12 divided by 30 = 40%
Give me a brainleist please
Given:
A number 72.
To Find:
12% of 72.
Solution:
The given problem can be solved using the concepts of percentages and their applications.
1. The given number is 72.
2. x% of a number n is given by the formula,
=> x% of n = ,
3. x% of a number can also be defined as x parts of 100 multiplied by the given number.
4. 12% of 72 can be calculated using the above number,
=> 12% of 72 =
=> 0.12 x 72,
=> 864/100,
=> 8.64.
Therefore, 12% of 72 is 8.64
Answer:
1 cm
Step-by-step explanation:
Since the perimeter is 4 cm and all the sides of the square have the same length, each side must be 1 cm long.
The area of that square is 1 cm x 1 cm, which is 1 cm2.
Answer:
divide 64/8 and 27/9 to arrive at 8/3 for 64/27
