10d+5n=220
divide both sides by 5
2d+n=44
d=13+n
sub 13+n for d in other equatin
2(13+n)+n=44
26+2n+n=44
26+3n=44
minus 26 both sides
3n=18
divide both sides by 3
n=6
sub back
d=13+n
d=13+6
d=19
19 dimes
6 nickles
Answer:
10
Step-by-step explanation:
3 x 3 + 5 - 6 + 2=
PEMDAS states we do multiplication first.
9 + 5 - 6 + 2
Since it's just addition and subtraction, we calculate left to right
14 - 6 + 2
8 + 2
10
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The best and most correct answer among the choices provided by the question is </span><span>A. Between 0.05 and 0.01 </span> .
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Hope my answer would be a great help for you. </span>
Answer:
2i-3
Step-by-step explanation:
2(x+3)²=-8
(x+3)²=-4
x+3=2i
x=2i-3
