40% × 40 is 16. answer is 16
Hey there!
Centre = (-h,-k)=(3,10)
And radius , r^2 = 121 => r=11
Hope this helps you :)
Have a good day :)
3 is the answer to your question
Answer:
Yes, your simultaneous equations are correct;
Solve them like so:
170 + 1.6449σ = 180 - 0.8416
2.4865σ = 10
σ = 4.0217...
μ = 170 + 1.6449(4.0217...)
μ = 176.615...
MS is correct, you must've made an error in solving or rearranging
answer will be equal to 3250 divided by 250 which is 13
