Because 42 doesn't go into 63, you have to go larger. Start by multiplying 63 by 2.
63*2=126
42 goes into 126 3 times even, so the LCM of 42 and 63 is 126 :)
Answer:
b-13
Step-by-step explanation:
I'm pretty sure this is right? Unless I'm missing something, if I am I am terribly sorry.
Answer:
(2,-3)
Step-by-step explanation:
I used substitution and rearranged the second equation to y=-2x+1. Then I replaced the y in the first equation with -2x+1. So, I got 3x-5(-2x+1)=21. When you solve that you get 13x=26 or x=2. Then you replace x with 2 in either equation and end up with y=-3.
Answer:
I think it is 3/2
Step-by-step explanation:
1 1/4 ÷ 5/6
5/4 × 6/5 = 30/20= 3/2
Answer:
48
Step-by-step explanation: