X-4y=13 would match the best
Answer:
d
Step-by-step explanation:
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Answer:
To find part A you need to find common denominator.
1/3 + 3/5=
5/15 + 9/15= 14/15
His mistake for a is that he didn't find the common denominator and that he just added the fraction as it is. So the corrected version would be 14/15.
To find part B you also need to find the least common denominator.
11/12-5/6=
11/12-10/12=1/12
His mistake was that he didn't find the least common denominator and he subtracted the fraction as it is. The answer corrected would be 1/12.
Step-by-step explanation:
4m+28=44
4m=44-28
4m=16
m=16/4
m=4
C. 40
30x30=900
40x40=1600
total of 2500 take the square root and your left with 50 so everything balances out