Answer:
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.05n + .10d = 6.10
n + d = 67
n = 67-d
.05(67-d) + .10d = 6.10
3.35 -.05d + .10d = 6.10
3.35 + .05d = 6.10
3.35-3.35 +.05d = 6.10-3.35
0.05d = 2.75
0.05d/0.05 = 2.75/0.05
d = 55
n + d = 67
n + 55 = 67
n = 12
There are 12 nickels
Check
0.5(12) + .10(55) = $6.10
.60 + 5.50 =$6.10
$6.10 = $6.10
Answer:
We know that the vertices of a figure (x,y) after dilation with scale factor k will become (kx,ky). i.e. Hence, the set of transformations has been performed on triangle MNO to form triangle M'N'O': Dilation by a scale factor of fraction 1 over 2 followed by reflection about the y-axis.
Step-by-step explanation:
Answer: The most typical system you will find is a system of linear equations. And frequently, you will find systems of equations that are linear, with two equations and two unknowns. These systems are usually call 2x2 system of linear equations.
Step-by-step explanation:
