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ICE Princess25 [194]
3 years ago
15

Estimate the percentage of never married American female ages from 25 to 29 in 2010

Mathematics
1 answer:
Andru [333]3 years ago
8 0

in 1980 it was about 20%

 in 1990 it was about 30%

 about a 10% increase

in 2000 it was just under 40% so almost a 10% increase

 so for estimating you can say it is increasing by about 10% every 10 years

 so in 2010 you can estimate about 50% are unmarried


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Samantha invested $50,000 in an account paying an interest rate of 4.1% compounded daily. Assuming no deposits or withdrawals ar
Sever21 [200]

Answer:

$69,408.17  = $69,410 rounded

Step-by-step explanation:

Final investment value

$69,408.17

Total interest earned

$19,408.17

Initial balance

$50,000.00

Total monthly deposits

$0.00

Effective Annual Rate (APY)

4.185%

The formula used in the compound interest calculator is A = P(1+r/n)^(nt)

A = the future value of the investment

P = the principal investment amount

r = the interest rate (decimal)

n = the number of times that interest is compounded per period

t = the number of periods the money is invested for

7 0
3 years ago
Read 2 more answers
Q.1
MrMuchimi
The question regards composite functions. A composite function is a function composed of more than one function. Sorry for saying the word function so many times there, it's just what it is...

The phrase f(g(x)) means 'perform g on an input x, then perform f on the result'. You can then see that there are many options for f(x) and g(x) here, in fact an infinite number of one were to be ridiculous about it.

However a sensible choice might be g(x) = x^2, and f(x) = 2/x + 9. Checking:

g(x) = x^2
f(g(x)) = 2/(x^2) + 9

That is the first question dealt with. Next up is Q2. It is relatively simple to show that these functions are inverses. If you start with a value x, apply a function and then apply the function's inverse, you should return to the same starting value x. To take a common example, within a certain domain, sin^-1(sin(x)) = x.

f(g(x)) = (sqrt(3+x))^2 - 3 = 3 + x - 3 = x

g(f(x)) = sqrt(x^2 - 3 + 3) = sqrt(x^2) = x

A final note is that this is only true for a certain domain, that is x <= 0. This is because y = x^2 is a many-to-one function, so unrestricted it does not have an inverse. Take the example to illustrate this:

If x = -2, f(x) = (-2)^2 - 3 = 4 - 3 = 1

Then g(f(x)) =sqrt(1 + 3) = sqrt(4) = 2 (principal value).

However the question isn't testing knowledge of that.

I hope this helps you :)
4 0
3 years ago
What is y=5/3x - 6 written in standard form using integers?
NISA [10]

y=5/3x-6 written in standard form using integers is 5/3x + y = -6


Answer: 5/3x + y = -6



live


8 0
3 years ago
Which two operations are needed to write the expression that represents "eight more than the product of a number and
allsm [11]

Answer:

Addition and Multiplication

Step-by-step explanation:

The keywords <em>more</em><em> </em><em>than</em><em> </em>in this case means "addition", and the keyphrase <em>product</em><em> </em><em>of</em><em> </em><em>a</em><em> </em><em>number</em><em> </em><em>and</em><em> </em><em>two</em><em> </em>means "multiplication". Here is what your expression should look like:

2n + 8

I am joyous to assist you anytime.

3 0
3 years ago
A full can of broth holds about how much liquid? A. 2 gallons B. 2 quarts C. 2 cups D. 2 fluid ounces
zalisa [80]
2 cups<span> (one 14-ounce can) is the approximate estimation for the amount of liquid in a can of broth. Based upon chicken broth</span>
5 0
3 years ago
Read 2 more answers
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