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strojnjashka [21]
3 years ago
7

Can someone help me pls thanks

Mathematics
1 answer:
patriot [66]3 years ago
5 0

If 4600 corresponds with 100, multiply 4600 by .09 and you get 414.

Also:

46 * 9 = 414

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Olive estimated it will take about 50 gallons of gas for the whole trip. Use the he equation to determine how much we will spend
Westkost [7]

Answer:

$175

Step-by-step explanation:

3.5 x 50 = $175

8 0
3 years ago
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
Kelvin has a shelf that is 9/2 feet long to display books. If displaying each book requires 3/4 feet, what is the maximum number
BaLLatris [955]
Kelvin can display 4 books.
7 0
3 years ago
Read 2 more answers
Please help. I will mark brainleist
Kitty [74]
Can I see the options?
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A water taxi has a maximum load of 1,800 pounds. If the average weight of one person is 150 pounds, what is the maximum number o
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Answer:

12

Step-by-step explanation:

if you do 1,800÷150 then you will get 12

7 0
3 years ago
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