Answer:
i don't know this type of work.
Step-by-step explanation:
i'm only in 10th grade
The second equation is correct. Nina initally had 17 marbles in her bag. Her mother placed m marbles into her bag. After counting, she now has 34 marbles. Part of this 34 marbles is already her initial 17 marbles. Therefore, 17 marbles initially + m unknown marbles = 34 marbles. The equation <span>17 + m = 34 is the answer.</span>
Answer:
2x - 4
Step-by-step explanation:
2(3x + 6) = 6x + 12
2(-2x - 8) = -4x -16
6x + 12 - 4x - 16 = 2x - 4
Answer:
0.35355339059
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
since Margie needs 3 dogs food in a month you multiply 3 by 4 (3x4) and get 12. Another way you could do it is add 3 four times since she needs 3 bags in a month so, 3+3+3+3=12.
Hope it helps:)