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PolarNik [594]
3 years ago
9

A circular tablecloth covers a table with a diameter of 5 feet. How much trim is needed to put around the edges of the tableclot

h? Use 3.14 for pi.
Mathematics
1 answer:
denis-greek [22]3 years ago
6 0

Answer:

To find the sales tax multiply the purchase price by the sales tax rate. Remember to convert the sales tax rate from a percent to a decimal number. Once the sales tax is calculated, it is added to the purchase price. The result is the total cost—this is what the customer pays.

courses.lumenlearning.com › chapter

Solving Sales Tax

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Simplify this expansion 3G -9 + 11G -21
VladimirAG [237]

Answer:

14G-30

Step-by-step explanation:

3G -9 + 11G -21

14G-30

4 0
3 years ago
What is 3 minutes 56 seconds +42 minutes 28 seconds+34 minutes 34 seconds +39 minutes 9 seconds =
Anna35 [415]

Answer:

2 hours and 7 minutes

Step-by-step explanation:

4 0
2 years ago
Answer this question please
Lilit [14]
20b + 18s < = 150 (thats less then or equal)
3 0
2 years ago
Read 2 more answers
Please help :) this is exponential decay 10 pts
VMariaS [17]
$50.00 after 0 months and $37.50 after 6 months.
We first must calculate half-life using the attached formula.
Half-Life = (time * ln(2)) / ln (beginning amount/ending amount)
Half-Life = (6 * 0.69314718056) / ln (50.00 / 37.50)
Half-Life = ( <span> <span> <span> 4.1588830834 </span> </span> </span> ) / ln ( <span> <span> <span> 1.3333333333 </span> </span> </span> )
Half-Life = ( <span> <span> 4.1588830834 </span> </span> ) / 0.28768207245
Half-Life = <span> <span> <span> 14.456525038 </span> </span> </span> months

Now we need to calculate "lambda"
lambda = ln(2) / half-life
lambda = 0.69314718056 / <span>14.456525038
lambda = </span><span><span><span>0.0479470121 </span> </span> </span>

Next we have to use this formula:
Ending Amount = beginning amount • e^( -lambda • time )
(where "e" is the mathematical constant 2.718281828...)
Ending Amount = 50 * 2.718281828^<span>(-0.0479470121*24 months)
</span><span>Ending Amount = 50 * 2.718281828^(-1.1507282904)
</span>Ending Amount = 50 * <span> <span> <span> 0.3164062499 </span> </span> </span>
Ending Amount = <span> <span> <span> 15.82</span></span></span> dollars

**********************************************************************
As a DOUBLE-CHECK we can work this out every 6 months:

0 months $50
6 months = $50 - (50 *.25) = 37.50
12 months = $37.50 -(37.50 *.25) = <span>28.125
18 months = $28.125 -(28.125 * .25) = 21.09375 </span>
24 months = $21.09375 -(21.09375 * .25) = <span> <span> <span> 15.8203125 </span> </span> </span>

You'll find this page quite helpful:
http://www.1728.org/halflif2.htm


5 0
3 years ago
Read 2 more answers
What is the probability of getting a king when drawing a card from deck of cards ?
shutvik [7]
4/52. or in a simplified way, 1/13. Because there are 4 King cards, and there are 52 cards in a standard playing card deck. 
3 0
2 years ago
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