Saw A = 150 planks/30 seconds = 5 planks per second
Saw B = 130 planks/ 13 seconds = 10 planks per seconds
5 + 10 = 15 planks per second total
225 planks / 15 planks per second = 15 seconds
Answer: 15 seconds
Answer:
-s = -4
Step-by-step explanation:
-9s - 4 = -8s = -9s + 8s = -4 = -s= -4
Answer:
The answer for 4.5 to multiply 3.5 is 15.75
Answer:
there are 100 centimeters in 1 meter
Step-by-step explanation:
Answer:
A and C
Step-by-step explanation:
Area of ∆ = ½*base*height
Area of figure A:
base = 6
height = 10
Area = ½*6*10 = 3*10 = 30 square units
Area of figure B:
base = 10
height = 8.66
Area = ½*10*8.66 = 5*8.66 = 43.3 square units
Area of figure C:
base = 10
height = 6
Area = ½*10*6 = 5*6 = 30 square units
Area of figure D:
base = 6
height = 8
Area = ½*6*8 = 3*8 = 24 square units
Area of figure E:
base = 3
height = 10
Area = ½*3*10 = 3*5 = 15 square units
