Answer:
No options are correct.
Explanation: Density = Mass / Volume Here density of concrete = 145 pounds per cubic foot Volume = Area * Length of post A cement bridge post is 24 inches square = Length of post = 15 feet 9 inch = 15.75 feet Volume of post = 0.1667 * 15.75 = 2.63 Weight of concrete post = 145* 2.63 = 380.63 pounds.
No options are correct.
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Answer:
9x^2 - 49y^2
Step-by-step explanation:
Answer: mq = 17
Step-by-step explanation:
If cm is 22 and cq which is the whole distance, then subtract the distance of cm which is 22 from the distance of cq which is 39.
39 - 22 = 17
Answer:
8
Step-by-step explanation:
4x2=8
Answer:
Step-by-step explanation:
So the Dimensions are:
Height: 300cm
Length: 300cm
Width: 2cm
SA = 2(H*L)+2(H*W)+2(L*W)
= 180000 + 1200 + 1200
= 182400 OR 18.24