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NeTakaya
3 years ago
6

What doubles fact can I write to solve 4+5

Mathematics
1 answer:
GenaCL600 [577]3 years ago
5 0
5+4❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤
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If an investment of $3000 grows to $4432.37 in eight years with interest compounded annually , what is the interest rate?
melamori03 [73]
\bf \qquad \textit{Compound Interest Earned Amount}
\\\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\quad 
\begin{cases}
A=\textit{accumulated amount}\to &\$4432.37\\
P=\textit{original amount deposited}\to &\$3000\\
r=rate\to r\%\to \frac{r}{100}\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{annually, thus once}
\end{array}\to &1\\
t=years\to &8
\end{cases}

\bf 4432.37=3000\left(1+\frac{r}{1}\right)^{1\cdot 8}\implies \cfrac{4432.37}{3000}=(1+r)^8
\\\\\\
\sqrt[8]{\cfrac{4432.37}{3000}}=1+r\implies \sqrt[8]{\cfrac{4432.37}{3000}}-1=r
\\\\\\
0.0500001086\approx r\qquad\qquad\cfrac{r\%}{100}\approx 0.0500001086
\\\\\\
r\%\approx 100\cdot 0.0500001086\implies r=\stackrel{\%}{5}
6 0
3 years ago
Will mark Brainlyist help me fill out the chart
Zigmanuir [339]

Answer:

The working is done in the image attached.

8 0
3 years ago
What is the prediction of the number of coats Clothes-4-You will sell when the outside temperature is 20ºF? Round to the nearest
Nikolay [14]

Answer:

84 coats

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Try solving this: (5 3/4) (2)
denpristay [2]

Answer:

11 1/2

Step-by-step explanation:

7 0
3 years ago
Tereka and Emma each deposit money in savings accounts. The amount of money, in dollars, in Tereka’s account after x years is mo
Over [174]

Given:

Amount of money in Tereka’s account : T(x)=472(1.04)^x

Amount of money in Emma’s account : E(x)=485(1.09)^x

To find:

The difference between initial amounts Tereka and Emma deposit.

Solution:

Substitute x=0 in the given functions, to get the initial amount of money they deposit.

T(0)=472(1.04)^0

T(0)=472(1)

T(0)=472

So, the initial amount Tereka deposit is $472.

E(0)=485(1.09)^0

E(0)=485(1)

E(0)=485

So, the initial amount Emma deposit is $485.

Difference between the initial amounts Tereka and Emma deposit is

485-472=13

Therefore, the difference between initial amounts Tereka and Emma deposit is $13. Emma deposit $13 more than Tereka.

6 0
3 years ago
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