Answer:
x= 42
Step-by-step explanation:
x/2+9=30
x+18=60
x=60-18
x= 42
Answer:
B
Step-by-step explanation:
r^2 is 0.9997, and after 10 years it'll be 95660
The solid that has five faces , four lateral faces, one base, five vertices, and eight edges would be :
Square pyramid
Hope this helps
Answer:
b = 8
c = 16
Step-by-step explanation:
From the given right triangle,
a =
, m(∠B) = 30°
By applying sine rule in the given triangle,
cos(B) = 
cos(B) = 
cos(30°) = 

c = 16
Further we apply tangent rule,
tan(B) = 
tan(30°) = 

b = 8