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ASHA 777 [7]
3 years ago
9

Reuben invested his savings in two investment funds. The $18,000 that he invested in Fund A returned a 5% profit. The amount tha

t he invested in Fund B returned a 1% profit. How much did he invest in Fund B, if both funds together returned a 4% profit?
Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0

Answer:

He invested $13500 in fund A, and $4500 in Fund B

Step-by-step explanation:

maths

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4 years ago
Which function has an inverse that is also a function? a {(–1, 3), (0, 4), (1, 14), (5, 6), (7, 2)} b {(–1, 2), (0, 4), (1, 5),
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An expression, that is a function, will have no x-repeats on the x,y pairs.

and expression that is a function, and has an inverse that is also a function, will have no x-repeats, and no y-repeats either, so the pairs will be unique for the set, let's do some checking then,

\bf a \qquad\{(-1, 3), (0, 4), (1, 14), (5, 6), (7, 2)\}\\\\
b \qquad\{(-1, 2), (0, \stackrel{\downarrow }{4}), (1, 5), (5, \stackrel{\downarrow }{4}), (7, 2)\}\impliedby 
\begin{array}{llll}
\textit{notice the } y-rep eats\\
\textit{thus, no dice}
\end{array}

\bf c \qquad\{(-1, -2), (0, \stackrel{\downarrow }{4}), (1, 3), (5, 14), (7, \stackrel{\downarrow }{4})\}\impliedby 
\begin{array}{llll}
\textit{notice the } y-rep eats\\
\textit{thus, no dice}
\end{array}\\\\
d \qquad\{(-1, \stackrel{\downarrow }{4}), (0, \stackrel{\downarrow }{4}), (1, 2), (5, 3), (7, 1)\}\impliedby 
\begin{array}{llll}
\textit{notice the } y-rep eats\\
\textit{thus, no dice}
\end{array}
6 0
4 years ago
Read 2 more answers
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