2 years ago

What to do if a number has double exponents?

Mathematics

1 answer:

bezimeni [28]2 years ago

7 0

Snbvcxzcbnm,mnvcxzdgj;ljgdsa

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Gina puts $ 4500 into an account earning 7.5% interest compounded continuously. How long will it take for the amount in the acco

Elza [17]

$~~~~~~ \textit{Continuously Compounding Interest Earned Amount} \\\\ A=Pe^{rt}\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$5150\\ P=\textit{original amount deposited}\dotfill & \$4500\\ r=rate\to 7.5\%\to \frac{7.5}{100}\dotfill &0.075\\ t=years \end{cases}$

$5150=4500e^{0.075\cdot t} \implies \cfrac{5150}{4500}=e^{0.075t}\implies \cfrac{103}{90}=e^{0.075t} \\\\\\ \log_e\left( \cfrac{103}{90} \right)=\log_e(e^{0.075t})\implies \log_e\left( \cfrac{103}{90} \right)=0.075t \\\\\\ \ln\left( \cfrac{103}{90} \right)=0.075t\implies \cfrac{\ln\left( \frac{103}{90} \right)}{0.075}=t\implies\stackrel{\textit{about 1 year and 291 days}}{ 1.8\approx t}$

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11 months ago

PLZ HELP

belka [17]

Answer:

425261625

Step-by-step explanation:

1+2-4252+425251-34%+5%

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2 years ago

Find the rate of discount being given on a shirt whose selling price is $ 546 after deducting a discount of $ 104 on its marked

natka813 [3]

19% of 546 is 103.7 approximately $104 so the answer is 19%

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2 years ago

Solve the inequality.

Flauer [41]

-2p<20-4
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thus,
p>-8

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3 years ago

What formula do you use to find the circumference of a circle given the diameter of the circle ?

notsponge [240]

Answer:

pi x diameter

Step-by-step explanation:

To find the circumference of any given circle, multiply the radius by 2 to get the diameter, and then the diameter by pi (3.14)

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