Answer:
a = 60
Step-by-step explanation:
90 + 30 = 120
120 - 180 = 60
Answer:
The volume of the cone is 
Step-by-step explanation:
The given cone has a radius of 10 cm and and height of 9 cm.
The volume of a cone is given by:
We substitute r=10 and h=9 , 
to obtain:
Simplify exponents to get:
Simplify:
Therefore the volume of the cone is
Answer:
Le produit de la racine cubique de 5 et de X ^ prime prime en une expression algébrique: french, youre welcome.
Step-by-step explanation:
D. works because if you work it out that means 2n=140 and then divide by 2 which means n=70 and the other number is 71
Answer:
-0.5°C every hour
Step-by-step explanation:as the temperature of the bottom of the mountain changed at 1/5 the rate of temperatures change on the top of the mountain, so, the hourly rate of temperature change at the bottom of the mountain is=
-2.5×(1/5)
=-0.5
