The logistic growth function Upper P left parenthesis x right parenthesis equals StartFraction 90 Over 1 plus 271 e Superscript negative 0.122 x EndFraction P(x)= 90 1+271e−0.122x models the percentage, P(x), of Americans who are x years old and have some coronary heart disease. Use this function to find the the percentage of 66 66-year olds who have some coronary heart disease.
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Answer:
about 83%
Step-by-step explanation:
Put the given value in the formula and do the arithmetic.
... P(66) = 90/(1 +271·e^(-0.122·66))
... = 90/(1 +271·e^-8.052)
... = 90/(1 +271·0.00031846)
... = 90/(1 +0.0863)
... = 90/1.0863
... = 82.8 . . . . percentage with some coronary heart disease
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Nikki makes $9.50 an hour working at Current Electronics She plans to buy a DVD recorder that costs $269.60. Write and solve an inequalitydescribing how many hours h Nikki will have to work to be able to buy the DVD recorderA. 269,60 -- 29.56; 28 hoursB. 9.50h 2 269,60; 29 hoursC. 269.60 + h 29.50; 31 hoursD. 269.60 2 9,50; 30 hours
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The number of values of c/d would be the number of possible ways that a and b could recombine to form different pairs of products c and d. (You might get different reactions at different temperatures, for example. Or, you might get different pars of ions.)
Usually, the number of values of c/d is one (1). (Of course, if you simply swap what you're calling "c" and "d", then you double that number, whatever it is.)
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Answers
Answer:
Answers
The amount of money is $248.02.
Principal amount = P=75
Interest rate = r = 8% = 0.08
Number of years = t = 15
Number of times compounded in a year = n = 12
A = Amount after t years.
After 15 years there will be:
Learn more: brainly.com/question/10241002
Answer:
$248.03
Step-by-step explanation:
The formula you use for this is as follows:
where A(t) is the amount after the compounding is done, P is the initial amount invested, r is the interest rate in decimal form, n is the number of times the compounding is done per year, and t is the time in years. Using that information and filling in our equation gives us this:
which simplifies down to
which simplifies further to
which multiplies to $248.0338938. Round to the nearest cent to get your answer.
Answers
Answer:
50%
Step-by-step explanation:
Let :
Winter = W
Summer = S
P(W) = 0.85
P(S) = 0.65
Recall:
P(W u S) = p(W) + p(S) - p(W n S)
Since, none of them did not like both seasons, P(W u S) = 1
Hence,
1 = 0.85 + 0.65 - p(both)
p(both) = 0.85 + 0.65 - 1
p(both) = 1.50 - 1
p(both) = 0.5
Hence percentage who like both = 0.5 * 100% = 50%
10.Per week?
11.Per day?
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Answer:
9. $2,860 per month
10. $660 per week
11. $94 per day (not 100% sure on this one, not sure if its getting techinical with working 5 days a week)
Step-by-step explanation:
9. $34,320 divide by number of months in a year (12)
10. $34,320 divide by number of weeks in a year (52)
11. $34,320 divide by number of days in a year (365)