Answer:
4.0
observed time spent exerciseing: 4.5
predicted time:5.5
residual: 1
5.0
observed time spent exerciseing: 6.5
predicted time:5.0
residual: 1.5
The circumference of circle with a radius of 63mm is 395.84
I hope this helps!
The ratio is 1:4
She could use...
4 gems and 16 flowers... 4 x 4 = 16
7 stickers and 28 glue dots... 7 x 4 = 28
Answer:
A = 63.59
C = 28.26
Step-by-step explanation:
r = 4.5
Area of a circle:
A = πr²
A = 3.14(4.5²)
A = 3.14(20.25)
A = 63.59
Circumference:
C = 2πr
C = 2(3.14)(4.5)
C = 28.26