Answer:
1. c
2. lines l & m are parallel because of they are equal distances.
3. A is wrong: if you add and subtract for each of the soloutions you end up with x equaling 4 not 8
4. x= 63 y=45 z=113
Step-by-step explanation:
i think this is correct. If it isn't im happy to correct it!
Hello !!
So first, you do cross multiplying:
50x = 14×7500
50x = 105000
----- --------
50 50
x = 2100
Hope this helps and have a beautiful day, my friend!!!
You would want to subtract 18 from 45. Your answer would be y=27.
multiply second equation by 2 and rewrite
4a + 6b = 10
4a - 8b = 24
subtract equations
0 + 14b = -14
14b = -14
b = -1
sub back into 4a + 6b = 10 to find the value of a
4a + 6 (-1) = 10
4a - 6 = 10
4a = 16
a = 4
therefore, 12a = 12×4
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Answer:
33 or 900
Step-by-step explanation:
10+18+5= 33
10x18x5=900