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2 years ago

If I get 10 dollars a week how much money will I have saved up in 9-years I WILL GIVE 55 POINTS

Mathematics

1 answer:

r-ruslan [8.4K]2 years ago

4 0

Answer:

$4,680

Step-by-step explanation:

Rate : 10 dollars a week

Per year : 10 x 52 = $520
9 x 520 = $4,680

You will have saved up $4,680 in 9 years.

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About how many feet does a team of athletes run in a 1600 meter relay race

Alex_Xolod [135]

1 feet = 0.3048 m

0.3048 m = 1 feet

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3 years ago

6. What is the least common multiple (LCM) of 11 and 12?

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Answer:

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Step-by-step explanation:

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3 years ago

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Start with the geometric power series LaTeX: 1+x+x^2+x^3+x^4+\cdots Substitute LaTeX: -x^3in place of LaTeX: x, and then take a

valina [46]

Answer:

$-3x^2+6x^5-9x^8+12x^{11}+...=\sum_{n=1}^{\infty }\left ( -1 \right )^n\,\,3n\,\,x^{3n-1}$

Step-by-step explanation:

Given : $1+x+x^2+x^3+x^4+\cdots$

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On simplifying , we get $1-x^3+x^6-x^9+x^{12}+...$

On differentiating , we get $\left ( 1-x^3+x^6-x^9+x^{12}+... \right )'=-3x^2+6x^5-9x^8+12x^{11}+...$

Here ,

$-3x^2=\left ( -1 \right )^1\,3(1)x^{3(1)-1}\\6x^5=\left ( -1 \right )^2\,\,3(2)\,\,x^{3(2)-1}\\-9x^8=\left ( -1 \right )^3\,\,3(3)\,\,x^{3(3)-1}\\12x^{11}=\left ( -1 \right )^4\,\,3(4)\,\,x^{3(4)-1}$

Now , we need to express it using summation notation.

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3 years ago

Brainliest to whoever answers this correctly!

podryga [215]

Answer:

I believe the answer is C

Step-by-step explanation:

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Rus_ich [418]

Answer:

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