The mass of the rock in kg is 90,000 kg
Answer:
a = 0,-7
Step-by-step explanation:
a^2 + 7a=0
Factor out an a
a(a+7) =0
Using the zero product property
a=0 a+7 =0
a =0 a= -7
You would need to know the dimensions of the pyramid and wether it was triangle or square bottomed
Answer:
x = 72.5°
Step-by-step explanation:
x = 1/2(80 + 65)
x = 145/2
x = 72.5
bro
Step-by-step explanation: