Solving the following system using the elimination method. 2x+y=-9
2x-5y=-3
2 answers:
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Answer:
x = -57/14, y = -6/7
Step-by-step explanation:
2x + y = -9
-(2x - 5y = -3)
-------------------- (Add the two equations together)
7y = -6
y = -6/7
2x - 6/7 = -9
2x = -57/7
x = -57/14
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Answer:
Fiona=11
Dan=33
Stephen=22
Step-by-step explanation:
Fiona:1/2+3+1×66
1/6×66
=11
Dan: 3/6×66=33
Stephen:2/6×66=22
I cant see the numerators on the numbers on the top one but the last one is 53/60.
Scientific notation for above vLue is :