Answer:
I got 38 and 11
Step-by-step explanation:
3x/7-2=15
3x/7 = 17
3x = 119
x = 39.67
Answer:
The lateral surface area of the cone is
.
Step-by-step explanation:
We have.
Height of a cone is 60 m
Diameter of a cone is 10 m
Radius, r = 80 m
The lateral surface area of a cone is given by :

l is slant height of the cone,

Plugging all values in above formula,

So, the lateral surface area of the cone is
.
Answer:
Step-by-step explanation:
n could be : -14, -13, -12... -1, 0 , 1, 2, 3 ,4,5
Answer:
f(9) = 42
Step-by-step explanation:
f(9) = (-9)*2 + 5*9 +15
= -18 + 45 + 15
= 42