Answer:
x + y = 11
10x + 5y = 80
Step-by-step explanation:
Answer:
(a)
and 
Step-by-step explanation:
Required
Which of a to d has no solution
(a)
and 
We have: 
Sole for m



Divide by 6

So, we have:
and 
implies that: m = -6,-7,-8,-9.....
implies that m = -3,-2,-1,0.....
<em>Hence, there is no solution</em>
Answer:
7, .2=2/10=1/5+4/5=1+6=7.
P.s.
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Answer is 12240 watts of power that a 12 square meter solar panel absorb.