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lara31 [8.8K]
2 years ago
12

What is the answer to this equation -20 +(-9)

Mathematics
2 answers:
Mkey [24]2 years ago
6 0

Answer:

-29 I'm pretty sure.

Step-by-step explanation:

-20 - 9 = 29

ANTONII [103]2 years ago
3 0

Answer:

-29

Step-by-step explanation:

they are both negative so u add them.

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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). Points A and B
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In the number 340.79 , the 0 is in what place
kirill115 [55]

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units

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Step-by-step explanation:

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At the beginning of each year for 14 years, Sherry Kardell invested $400 that earns 10% annually. What is the future value of Sh
Naddik [55]
Hmm if I'm not mistaken, is just an "ordinary" annuity, thus 

\bf \qquad \qquad \textit{Future Value of an ordinary annuity}
\\\\
A=pymnt\left[ \cfrac{\left( 1+\frac{r}{n} \right)^{nt}-1}{\frac{r}{n}} \right]
\\\\\\

\bf \begin{cases}
A=
\begin{array}{llll}
\textit{original amount}\\
\textit{already compounded}
\end{array} &
\begin{array}{llll}

\end{array}\\
pymnt=\textit{periodic payments}\to &400\\
r=rate\to 10\%\to \frac{10}{100}\to &0.1\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{annually, so once}
\end{array}\to &1\\

t=years\to &14
\end{cases}
\\\\\\
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3 0
2 years ago
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dsp73

Answer:

Step-by-step explanation:

-3b - 2b + 7 = -15

-5b  = -22

b = 22/5

5 0
3 years ago
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