Answer:
40
Step-by-step explanation:
20 ÷ 1/2 = 20 * 2 = 40 half liters in 20 liters
Answer:
13
Step-by-step explanation:
The top must be the same length as the total of the bottom
top = 5+8
top = 13
Answer: 1575
Step-by-step explanation:
Volume of Pyramid: b*l*h/2 = 21*9*7/3 = 441
Volume of Rectangular prism = V= lwh = (21*12*9)/2 = 1134 (divide by two because it is half of a rectangular prism)
441 + 1134 = 1575
Answer:
12
Step-by-step explanation:
EX. 3x+3x. You will leave the variable alone. You add the constants (3 and 3). The answer is 6. Because of that x, the answer is 6x.
EX. 3x times 3x. Again you will leave the x alone. You multiply the constants (3 and 3). The answer is 9. Because of the x, the answer is 9x.
