9514 1404 393
Answer:
10%
Step-by-step explanation:
We assume the "sum" being referred to in both cases is the principal amount invested. The simple interest formula tells you ...
I = Prt . . . . . . interest on P invested at annual rate r for t years
We have ...
Filling in these values, we get ...
0.3P = Pr(3)
0.1 = r . . . . . . . . divide by 3P
The interest rate is 0.1×100% = 10% per year.
Answer:
Without a table, we can't really complete one.
This can be easier though if you realise that:
y = x^2 - x
is identical to:
y = x(x - 1)
In other words, the table values are just 1 × 0, 2 × 1, 3 × 2, 4 × 3, etc., giving you the series (starting with x = 1)
0, 2, 6, 12, 20, 30, 42, 56, 72, 90, 110, 132, ...
This If you plot this on a graph, it gives you a parabola that opens upward. It's vertex is at (0.5, -0.25)
No it is not, because the value 3 in the domain is repeating, therefore it is not a function
Graph each side of the equation. The solution is the x-value of the point of intersection.
x
≈ −
0.41716943
,
2.49989149
,
7.66088136
Answer:
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Step-by-step explanation:
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