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nasty-shy [4]
3 years ago
15

Professor Brown has $275,000 on deposit with TIAA at the start of 2015 and receives 3.65% interest per year on his account. Inte

rest on these accounts is compounded and credited daily. a) find a recursive sequence that models the amount An in his account at the end of the nth day of 2015. b) find the first 8 terms of the sequence An, rounded to the nearest cent. c) Find a formula for An
Mathematics
1 answer:
Mariulka [41]3 years ago
7 0
Just gonna take a guess in case no one answers.

F(x) = .0365(x)275,000 + 275,000

is you wanna find out the 8th term plug in 8 for x...
should be
357,500 on year 8
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Rick's office recycled a total of 60 kilograms of paper over 15 weeks. How many weeks will it take Rick's office to recycle a to
Thepotemich [5.8K]

18 weeks. All you need to do was 60 divide by 15 and you get 4. You taake the 72 kilograms and divide that by 4 and you should get the weeks.

4 0
3 years ago
On Monday, 475 people visited the museum. On Saturday, there were 4 times as many visitors as there was on Monday. How many peop
guapka [62]

Answer:

2,375 people

Step-by-step explanation:

Hope this helps!! <3

4 0
3 years ago
URGENT PLEASE HELP WILL GIVE BRAINLIEST ANSWER
poizon [28]
-2 multiplied by 3x = -6x
-2 multiplied by 7 = -14
so -6x-14=32-4x
move -6x to the other side
= -14= 32-4x+6x
simplify
=-14=32+2x
move 32 to the other side
= -14-32=2x
simplify
=-46=2x
divide
-46/2 = 2x/2
x = -23
6 0
4 years ago
Derivative of<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%7B3x%7D%5E%7B2%7D%20-%202x%20-%201%20%7D%7B%20%7Bx%7D%5E%7B2
Anastaziya [24]

Answer:

\displaystyle  \frac{dy}{dx} =    \frac{2x + 2}{x^3}

Step-by-step explanation:

we would like to figure out the derivative of the following:

\displaystyle  \frac{ { 3x }^{2} - 2x - 1 }{ {x}^{2} }

to do so, let,

\displaystyle y =  \frac{ { 3x }^{2} - 2x - 1 }{ {x}^{2} }

By simplifying we acquire:

\displaystyle y =  3 -  \frac{2}{x}  -  \frac{1}{ {x}^{2} }

use law of exponent which yields:

\displaystyle y =  3 -  2 {x}^{ - 1}  -   { {x}^{  - 2} }

take derivative in both sides:

\displaystyle  \frac{dy}{dx} =  \frac{d}{dx}  (3 -  2 {x}^{ - 1}  -   { {x}^{  - 2} } )

use sum derivation rule which yields:

\rm\displaystyle  \frac{dy}{dx} =  \frac{d}{dx}  3 -   \frac{d}{dx} 2 {x}^{ - 1}  -     \frac{d}{dx} {x}^{  - 2}

By constant derivation we acquire:

\rm\displaystyle  \frac{dy}{dx} =  0 -   \frac{d}{dx} 2 {x}^{ - 1}  -     \frac{d}{dx} {x}^{  - 2}

use exponent rule of derivation which yields:

\rm\displaystyle  \frac{dy}{dx} =  0 -   ( - 2 {x}^{ - 1 -1} ) -     ( - 2 {x}^{  - 2 - 1} )

simplify exponent:

\rm\displaystyle  \frac{dy}{dx} =  0 -   ( - 2 {x}^{ -2} ) -     ( - 2 {x}^{  - 3} )

two negatives make positive so,

\displaystyle  \frac{dy}{dx} =   2 {x}^{ -2} +      2 {x}^{  - 3}

<h3>further simplification if needed:</h3>

by law of exponent we acquire:

\displaystyle  \frac{dy}{dx} =   \frac{2 }{x^2}+       \frac{2}{x^3}

simplify addition:

\displaystyle  \frac{dy}{dx} =    \frac{2x + 2}{x^3}

and we are done!

5 0
3 years ago
What is the total surface area of the cone?
Ymorist [56]
T.S.A. = pi (7) (24) + pi (7)^2 = 168pi + 49pi = 217 pi cm^2 = more or less 681,73 cm^2
7 0
3 years ago
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