Answer:
9.42
Step-by-step explanation:
It is 9.42 because if you multiply the radius by 2 to get diameter you multiply the diameter by 3.14 to get your final answer which is 9.42 :)
4*1.15=4.6 - amount of gravel used by 4 trucks
2*0.7=1.4 - amount of sand used by 2 trucks
4.6+1.4=6 - Total amount of materials
6- final answer
54 l= 112/8.4x54= 720 miles
2/3 is another Fraction and also is 4/5
Hope This Helped
Answer:
A = 18 units²
Step-by-step explanation:
The area (A) of a trapezium is calculated as
A = h ( b₁ + b₂ )
where h is the perpendicular height and b₁, b₂ the parallel bases
By counting squares
h = 3, b₁ = 3, b₂ = 9 , then
A = × 3 × (3 + 9) = 1.5 × 12 = 18 units²