3 years ago

determine whether the point 1,5 is a solution to the system of inequalities below y>3x , y>/2x+1

Mathematics

1 answer:

vladimir2022 [97]3 years ago

8 0

Determine whether the point 1,5 is a solution to the system of inequalities below y>3x , y>/2x+1

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Sedaia [141]

$\begin{equation*} \$437.76 \end{equation*}$

1) This is a question for Annuity usage. Note that we'll need the following formula below:

$\begin{gathered} P=\frac{A(\frac{r}{n})}{\lbrack(1+\frac{r}{n})^{nt}-1\rbrack} \\ P=\frac{400000(\frac{0.04}{12})}{\lbrack(1+\frac{0.04}{12})^{12\cdot35}-1\rbrack} \\ P=\frac{400000\cdot\frac{0.04}{12}}{\left(1+\frac{0.04}{12}\right)^{35\cdot\:12}-1} \\ P=\frac{400000\cdot\frac{0.04}{12}}{1.0033^{420}-1} \\ P=437.76563...\approx\$437.76 \end{gathered}$

Note that P is the value you'll need to deposit each month so that in 35 years you'll have $400,000 for your retirement.

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1 year ago

8(1 - 5x) = 13 in mixed numbers

tangare [24]

Perform indicated multiplications on left side.

8-40x=13 subtract 8 from both sides

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x=-5/40

x=-1/8

Note: There are no mixed numbers in this problem.

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$300*0.18=54$

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