3 years ago

Does it matter what interval you use when you find the rate of change of a proportional relationship

1 answer:

7 0

Proportions are the comparison of two equal ratios. Therefore, proportional relationships are relationships between two equal ratios. So yes, it does matter.. I<span>nterval: all the numbers between two given numbers.</span>

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Ted spent half of his weekly allowance playing arcade games. To earn more money his parents let him wash the car for $7. What is

GalinKa [24]

Answer:

14?

Step-by-step explanation:

well if he spent half that means 14 - 7 = 7

7 + 7 is fourteen soooo im pretty sure its 14 yw

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4 years ago

What is the equation of a line perpendicular to y= 3x +6 that crosses the ordered pair (3,2).

jasenka [17]

Answer:

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Step-by-step explanation:

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3 years ago

11000 is compounded semiannually at a rate of 12% for 21 years. Find the total amount in the compound interest account

marishachu [46]

$\bf ~~~~~~ \textit{Compound Interest Earned Amount}
\\\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\quad
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\dotfill &\$11000\\
r=rate\to 12\%\to \frac{12}{100}\dotfill &0.12\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{semiannually, thus twice}
\end{array}\dotfill &2\\
t=years\dotfill &21
\end{cases}$