Match the polygons formed by the sets of points with their perimeters (rounded to the nearest hundredth). Tiles A(1, 1), B(6, 13
), C(8, 13), D(16, -2), E(1, -2) 38 units F(14, -10), G(16, -10), H(19, -6), I(14, -2), J(11, -6) 25.4 units K(4, 2), L(8, 2), M(12, 5), N(6, 5), O(4, 4) 50 units P(7, 2), Q(12, 2), R(12, 6), S(7, 10), T(4, 6) 19.24 units U(4, -1), V(12, -1), W(20, -7), X(8, -7), Y(4, -4)
2 answers:
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Let the amount invested at 4% be = x
Let the amount invested at 3% be = y
Given is:
or
.... (1)
As, total income for the two investments is $194, so equation is:
....(2)
Putting value of x from (1) in (2)
And x=5200-y
Hence, money invested at 4% is $3800 and money invested at 3% is $1400