3 years ago

Which expression is not equal to 30?

Mathematics

2 answers:

laila [671]3 years ago

6 0

The answer is the third one

MrMuchimi3 years ago

3 0

Answer:

I believe the answer is number 3.

Step-by-step explanation:

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Jenna saves $2,500 per year in an account that earns 10% interest per year, compounded annually. Jenna will have saved in 30 yea

Vsevolod [243]

$~~~~~~~~~~~~\textit{Future Value of an ordinary annuity}\\ ~~~~~~~~~~~~(\textit{payments at the end of the period}) \\\\ A=pymnt\left[ \cfrac{\left( 1+\frac{r}{n} \right)^{nt}-1}{\frac{r}{n}} \right]$

$\begin{cases} A= \begin{array}{llll} \textit{accumulated amount}\\ \end{array}\\ pymnt=\textit{periodic payments}\dotfill &2500\\ r=rate\to 10\%\to \frac{10}{100}\dotfill &0.1\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{annually, thus once} \end{array}\dotfill &1\\ t=years\dotfill &30 \end{cases}$

$A=2500\left[ \cfrac{\left( 1+\frac{0.1}{1} \right)^{1\cdot 30}-1}{\frac{0.1}{1}} \right]\implies A=2500\left[ \cfrac{(1.01)^{30}-1}{0.1} \right] \\\\[-0.35em] ~\dotfill\\\\ ~\hfill A\approx 411235.06~\hfill$

4 0

2 years ago

how many bit strings of length 9 have exactly two 1'S or two 0'S( this is one question, so you should have one answer)

Crazy boy [7]

Answer:

72.

Step-by-step explanation:

Number of strings with exactly 2 1's

= 9C2

= 9*8/2*1

= 36.

Same for 2 0s

= 36.

8 0

1 year ago

Change 1700kg into tonnes ,pls help im so dumb:)

nordsb [41]

Answer:

Step-by-step explanation:

1700 Kilograms (kg) = 1.7 Tonne (ton)

4 0

3 years ago

Helppp!!!!! 2 questions answer both

yKpoI14uk [10]

1. The answer would be about 20.72, or 20.7142 if you don’t want the rounded version

2. The answer is -12.8

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2 years ago

Read 2 more answers

Roger’s office building has a $320,000 value, a 2 rating, and a B building classification. The contents in the building are valu

Virty [35]

Answer:

2,230

Step-by-step explanation:

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3 years ago