Answer:
Answer:
The probability that the average score of the 49 golfers exceeded 62 is 0.3897
Step-by-step explanation:
I think the answer is 32m2
Hope this helps
Answer:
40.5
Step-by-step explanation:
Area of square is 9x9=81.
Area of triangle is 1/2(9)(9)=40.5
81-40.5=40.5
40.5 is the area of the shaded region.
Answer:
Step-by-step explanation:
hello :
(x + 2)2 – 2(x + 2) – 15 = 0
let : t= x+2
t²-2t-15 =0
(t-5)(t+3)=0
t-5=0 or t+3=0
t=5 or t=-3
but : t =x+2
if : t=5 x+2 =5 so : x=3
if : t= -3 x+2 = -3 so : x= -5
conclusion two solutions : 3 , -5