Answer:
The percent of error in her measurement is 1.3%
Step-by-step explanation:
we know that
The circumference of a circle is equal to

where
D is the diameter
we have

assume

substitute
----> This value represent the 100% (theoretical value)
Find the difference between the theoretical value and the measured value
Find the percentage by proportion

Answer:
Step-by-step explanation:
Sin (angle p) = 48/60 = 4/5 = 0.8
angle p = sin∧-1 0.8 = 53.13010235
Answer:
-0.25, -1/5, -2.5, -5, -10
Step-by-step explanation:
Answer:
-5n²-8n+4
Step-by-step explanation:
Remove Parentheses :
3n²-5n+6 - 8n²-3n-2
Collect/Combine Like terms:
(3n²-8n²) + (-5n-3n) +(6-2)
Simplify:
-5n²-8n+4