Answer:
21x
Step-by-step explanation:
In the parentheses, 3 * x is the same thing as 3x. Distribute 7 into 3x to get 21x as your final answer.
Answer: D
Step-by-step explanation: Because
1 x 12 = 12
2 x 12 = 24
3 x 12 = 36
Answer:
6
Step-by-step explanation:
The volume is proportional to length, so tripling the length multiplies the volume by 3.
The volume is proportional to width, so doubling the width multiplies the volume by 2.
Tina's new planter box is 3×2 = 6 times the volume of the original.
Step-by-step explanation:
2x + 5 = 19; X = 7: Correct
2(7) + 5 = 19
14+5=19
3+x+2-x=16; x=3 : Incorrect
3+3+2-3=16
6+2-3=16
7-3=16
4=16
x+2/5=2; x = 8: incorrect
8+2/5=2
x= 8/5
6 = 2x -8; x = 7: correct
6 = 2(7) -8
6 = 14-8
14 =1/3x+5; x = 18: Incorrect
14 = 18/3+5
14 = 6+5
well, let's say 1 meter is the 100%, now, if we know that 1 is 100%, what percentage is 70?
