Answer:
A = 78.5 in ^2
Step-by-step explanation:
Area of a circle = pi * r^2
The radius is d/2
r= 10/2
r =5
A = pi * r^2
Substitute r=5
A = pi *(5)^2
A = 25 pi
We know that pi is approximated by 3.14
A = 25 (3.14)
A = 78.5 in ^2
Answer: Angles are used in daily life. Engineers and architects use angles for designs, roads, buildings and sporting facilities. Carpenters use angles to make chairs, tables and sofas. Artists use their knowledge of angles to sketch portraits and paintings.
Step-by-step explanation:
Answer:
you can use the formula of ś = s (1+r/100)^t
Step-by-step explanation:
where ś = sales after 7 years
t= time taken
s= initial sales
r = rate
72 people stayed, because 96 ÷ 4 = 24, and 24 * 3 is 72.
Answer:
y = -3
Step-by-step explanation:
y = x - 7
when x = 4
y = 4 - 7
y = -3
