Answer: x = 0
Step-by-step explanation:
1 - 3x = 3x + 1
then add 3x on both sides
1 = 6x + 1
then subtract 1 on both sides
0 = 6x
then divide by 6 on both sides
0 = x
so x = 0
Answer:
x=1/7
Step-by-step explanation:
x/2+x/5=1
make same denominators;
5x/10+2x/10=1
simplify;
7x=1
x=1/7
Answer: PQ = 18
Step-by-step explanation:
You would divide 21/14 to see what the size difference in the triangles is to get 1.5. 1.5x12=18
Answer:
19 Cds left.
Step-by-step explanation:
The question said he used 31 Cds, so 50 minus 31 is 19.
The activity type would be the input and the cost would be the output. Because there are two different costs for the same activity, this would not be a function.
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Hope this helps! :)