The amount invested by Mr.Smith in 5% is $240 .
<u>Step-by-step explanation:</u>
We have , Mr. Smith invests a certain amount of money at 8% and twice as much at 5%. If his annual income from the two investments is $720 . Let us suppose that Mr.Smith invest $x so :
Amount of money invested in 5% is . And, amount of money invested in 8% is twice that of 5% i.e. .
Now, total investment is $720 so,
+( ) = $720
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The amount invested by Mr.Smith in 5% is i.e.. ∴ The amount invested by Mr.Smith in 5% is $240 .
Part 1) <span>angles congruent to <1
we know that
</span><4=<1-------> by vertical angles
<5=<1-------> by corresponding angles
<8=<5------> by vertical angles or <8=<1 ----> by alternate exterior angles
so
the answer part 1) is
<span><4,<8,<5
</span>
Part 2) <span>angles congruent to <2
</span>we know that
<3=<2-------> by vertical angles
<6=<2-------> by corresponding angles
<7=<6------> by vertical angles or <7=<2 ----> by alternate exterior angles
so
the answer part 2) is
<span><3,<7,<6
</span>
Part 3)<span>angles congruent to <7
</span>we know that
<6=<7-------> by vertical angles
<3=<7-------> by corresponding angles
<2=<3------> by vertical angles or <2=<7 ----> by alternate exterior angles
so
the answer part 3) is
<span><3,<6,<2
Part 4) </span><span>angles congruent to <6
</span>we know that
<7=<6-------> by vertical angles
<2=<6-------> by corresponding angles
<3=<2------> by vertical angles or <3=<6 ----> by alternate interior angles
so
the answer part 4) is
<span><3, <7, <2</span>
Since the correlation is positive, the slope b must be positive.