Slope= y2-y1/ x2-x1
= -1-2/-1+3
= -3/2 is the answer
A = (pi) * r*2
(pi) = 3.14
r = d/2.....r = 17/2 or 8.5
A = 3.14 * 8.5^2
A = 3.14 * 72.25
A = 226.86 rounds to 226.9 m^2 <==
60 + (x+9) = 2x because of exterior angle theorem so x=69 i believe
Answer:
£60
Step-by-step explanation:
Let the original cost be x.
x × (1 - 20%) = 48
0.8x = 48
x = 48/0.8
x = 60
The original cost was £60 before the sale.
Answer:
The probability of the type I error is 1 %
Step-by-step explanation:
From the given statement we as a professor work to catch student . He ensure view of all student and even a video recording of the exam.He estimates that he catches 95% of student who cheat in his class. 1% of the time he accuses a student of cheating he is actually incorrect.Hence the probability of Type I error is 1 %.
