Answer:
Step-by-step explanation:
Required
As a decimal to nearest thousandth
Solving (a): 78.4%
Express as fraction
Solve fraction
----- This is already in thousandth place
Solving (b): 29%
Express as fraction
Solve fraction
Approximate
Answer:6.28 units sq
Step-by-step explanation:
To find the area of a semi ..circle
Area of semi- circle=1/2πr^2
d=10 r=2
A=1/2×3.14×2×2
A=6.28 units sq
Answer:
It is not a function!
Step-by-step explanation:
It is not a function!
A function can't have two y-values assigned to the same x-value. In this case, you can se that for x=1 we have two y-values, which are y= -2 and y= -3.
We can have have two x-values assigned to the same y-value, that's why it's okay that for x=1 and x=3 we have the same y-value y=-2
