What is the rate of change
2 answers:
Answer:
A rate of change is a rate that describes how one quantity changes in relation to another quantity. If x is the independent variable and y is the dependent variable
You can find the rate of change by using this formula:
That m would go into another formula known as slope-intercept form
The equation is
y = mx +b
m = rate of change (or) slope
b = y-int
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Answer:
Step-by-step explanation:
Big circle:
R = radius = diameter ÷2 = 42 ÷ 2 = 21 cm
Area of big circle= πR²
Small circle:
Diameter of small circle = radius of big circle = 21 cm
r = 21/2 = 10.5 cm
Area of small circle = πr²
Area of shaded region = area of big circle - area of small circle
= 1386 - 346.5
= 1039.5 cm²