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4 years ago

Find 2.2℅ of 18 2/11?

Mathematics

2 answers:

UNO [17]4 years ago

7 0

The answer to ur question is 0.396
2.2% * 18 = 0.396

amm18124 years ago

4 0

To find a percent of a number, multiply the percent by the number.
To convert a percent to a decimal, move the decimal point 2 places tot he left.

2.2% of 18 2/11 =
= 2.2% * 18 2/11
= 0.022 * 200/11
= 0.4

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Guess my favorite number between 15-30

Inessa05 [86]

Answer:

Step-by-step explanation:

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7 0

3 years ago

Read 2 more answers

For the following telescoping series, find a formula for the nth term of the sequence of partial sums

gtnhenbr [62]

I'm guessing the sum is supposed to be

$\displaystyle\sum_{k=1}^\infty\frac{10}{(5k-1)(5k+4)}$

Split the summand into partial fractions:

$\dfrac1{(5k-1)(5k+4)}=\dfrac a{5k-1}+\dfrac b{5k+4}$

$1=a(5k+4)+b(5k-1)$

If $k=-\frac45$ , then

$1=b(-4-1)\implies b=-\frac15$

If $k=\frac15$ , then

$1=a(1+4)\implies a=\frac15$

This means

$\dfrac{10}{(5k-1)(5k+4)}=\dfrac2{5k-1}-\dfrac2{5k+4}$

Consider the $n$ th partial sum of the series:

$S_n=2\left(\dfrac14-\dfrac19\right)+2\left(\dfrac19-\dfrac1{14}\right)+2\left(\dfrac1{14}-\dfrac1{19}\right)+\cdots+2\left(\dfrac1{5n-1}-\dfrac1{5n+4}\right)$

The sum telescopes so that

$S_n=\dfrac2{14}-\dfrac2{5n+4}$

and as $n\to\infty$ , the second term vanishes and leaves us with

$\displaystyle\sum_{k=1}^\infty\frac{10}{(5k-1)(5k+4)}=\lim_{n\to\infty}S_n=\frac17$

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3 years ago

Evaluate P(6, 6). 720 01 6

Vinvika [58]

The correct answer is 720 I did this problem long time ago hope this helps :)

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4 years ago

How much money was taken off the 1000RM loan for every child born to

grigory [225]

Answer:

Step-by-step explanation:i have no clue

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3 years ago

Dane is investing $150,000 for 30 years at an annually compounded rate of 5.5%. What is the difference between his ending accoun

navik [9.2K]

Total = Principal × ( 1 + Rate )^years
Total = 150,000 * (1.055) ^ 30
Total = 150,000 * 4.9839512884
Total = 747,592.69

Total = 150,000 * (1.065) ^ 30
Total = 150,000 * 6.614366163 
Total = 992,154.92

Difference = 992,154.92 -747,592.69 =
244,562.23 

Source:
http://www.1728.org/compint.htm
online interest calculator

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3 years ago