It is c because 8x2=16 and 8x4=32 and so on
Answer:
B. 12n=78
Step-by-step explanation:
The perimeter of a semicircle consists of two parts. (the curve and bottom)
That curve is half the distance around the circle, since it's been split in half.
The distance around a circle, the circumfrence, is equal to 2πr, where r is the radius of that circle. In this case, the circumfrence of the entire circle would be 16π. and so that curve would have a length of just 8π.
Using 3.14 for π, 8π = 8×3.14 = 25.12.
As for the flat part, that is the diameter (distance across) our circle.
The radius is the distance from the center of a circle to its edge, and always has half the length of the diameter. (you can break the diameter down into two radii)
If our radius is 8 meters, our diameter (the flat part of that semicircle) must be 16.
Now we add up the two parts of the perimeter...25.12 + 16 = 41.12.
Answer:
The answer to your question is y-intercept = 22, slope = -6
Step-by-step explanation:
- To find the answer you need to find the equation of the line.
Process
1.- Find the slope
slope = m = (y2 - y1) / (x2 - x1)
x1 = 2 y1 = 10 x2 = 3 y2 = 4
-Substitution
m = (4 - 10) / (3 - 2)
-Simplifying
m = -6/1
-Result
m = -6
2.- Find the equation of the line
y - y1 = m(x - x1)
-Substitution
y - 10 = -6(x - 2)
-Simplifying
y - 10 = -6x + 12
y = -6x + 12 + 10
-Result
y = -6x + 22
3.- Conclusion
y-intercept = 22
slope = -6
If a number can be written or can be converted to p/q form, where p and q are integers and q is a non-zero number, then it is said to be rational and if it cannot be written in this form, then it is irrational.
