First thing to do is set up your equation:
45/x = 20/100
Cross multiply
4500 = 20x
And divide by 20
Answer: 225 people were surveyed
Answer:
150
Step-by-step explanation:
the total angle of a flat line is 180
since one side is 30 180-30 is 150
Answer:
D. 980.2 cm
Step-by-step explanation:
Surface area of cylinder = 2¶r2 + 2¶rl
r = radius
l = lenght
¶ = 3.142
S. A = (2X3.142X6^2) + (2X3.142X6X20)
= 226.224 + 754.08 = 980.3cm2
Answer: Ithink it’s 3, 5, 9
