Answer:
Step-by-step explanation:
The formulas to find the radius are quite simple. If you know the diameter of the circle, use this formula:
If you don't know the diameter, but you know the circumference, you can use this equation:
If you know the area of the circle, use this equation:
Note that the area of a circle is essentially the total space, measured in square units, inside of the perimeter of a circle.
Answer:
What is the triangle cant give answer without pic of triangle
Step-by-step explanation:
Impossible to answer without anything shown
Answer:
Step-by-step explanation:
28. Area of the circle = π
where r is the radius of the circle.
Given diameter = 14m, therefore radius = 
= 7m
Now area of the circle = 49
or = 49 * 3.14 * 3.14 = 483.12
29. Volume of cylinder = πh = π*
* 3 = 6.75π cu. feet or 21.195 cu. feet
30. A ball resembles a sphere. Volume of the sphere = 
Given diameter = 30inches; Therefore, radius = 15 inches
Now, Volume of the ball = 
= 4500π cu. inches or 14310 cu.inches
Answer:
yes, y=2x-3 is linear
2x - y = 3 Standard Form
Step-by-step explanation:
since both the 'x' and 'y' variables have one as their exponents then this represents a linear equation
standard form: Ax + By = C
y = 2x - 3
subtract 2x from each side to get:
-2x + y = -3
divide each term by -1 to get (this is done so the leading coefficient is not negative)
2x - y = 3 Standard Form
