Answer:
22/7
Step-by-step explanation:
d=2
i.e r=d/2=1
then area of circle=πr^2
=22/7 *1
=22/7 i.e 3.1415
40 students
Explanation: 5/9 of 360 students is 200 students who did bring lunch. 360-200=160 students who bought lunch. You then subtract 200-160 which gives you.. 40
Well 2 4/5 in decimal form is 2.8 so that is the greatest, then 2.6 is the second and 2.3 is the least
2 4/5, 2.6, 2.3
The period is 18... it’s the change in x of one wavelength
Answer: 1430
Step-by-step explanation: x + y + z = 2680
x = 2z - 100
y = 3z + 80
x + y = 5z - 20
6z - 20 = 2680
z = 450
y = 1430
Solution:
x = 800, y = 1430, z = 450