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4 years ago

How you convert $1.00 to a fraction.

Mathematics

2 answers:

Eva8 [605]4 years ago

5 0

100 1 1
----- ----- ------
100 100 10

Vera_Pavlovna [14]4 years ago

4 0

By$ 1.00 is 1whole
If u do $1.00 equal to one whole

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The Pew Research Center finds that the demographic make-up of political parties is changing drastically through the election cyc

patriot [66]

Answer:

(a)0.34

(b)0.5

(d)0.544

(e)0.655

(f)Not disjoint events

(g)Independent events

Step-by-step explanation:

The summary of education levels among party lines is given in the table below

$\left|\begin{array}{c|ccc}&$Democrat &$Republican &$Total\\--&--&--&--\\$College Degree &37 &31 &68\\$No College Degree& 63 &69 &132\\--&--&--&--\\$Total &100 &100& 200\end{array}\right|$

(a)Probability a randomly selected participant has a college degree.

The probability a randomly selected participant has a college degree is:

$=\dfrac{68}{200} =0.34$

(b)The probability that a randomly selected participant is a democrat.

$=\dfrac{100}{200} =0.5$

(c)The probability that a randomly selected participant is a democrat and has a college degree.

$=\dfrac{37}{200} =0.185$

(d)Probability of being a democrat given that the participant has a college degree.

$=\dfrac{37}{68} \approx 0.544$

(e)The probability of begin a democrat or having a college degree

Number of Democrats =100

Number of Those with College degrees = 68

Number of democrats with College degrees =37

Therefore:

Probability of begin a democrat or having a college degree

$=\dfrac{100+68-37}{200} \\=\dfrac{131}{200}\\\\=0.655$

(f)The event of having a college degree and being a democrat are not disjoint events as there are some democrats who have a college degree.

(g)The event of having a college degree and being a democrat are independent events as the outcome of one does not affect the other.

6 0

3 years ago

What is true about the solution above.

Masja [62]

ANSWER

$x = \pm \sqrt{3}$

and they are actual solutions.

EXPLANATION

The given equation is:

$\frac{ {x}^{2} }{2x - 6} = \frac{9}{6x - 18}$

Cross multiply

${x}^{2} (6x - 18) = 9(2x -6 )$

This implies;

${x}^{2} (6x - 18) - 9(2x - 6) = 0$

$3{x}^{2} (2x - 6) - 9(2x - 6) = 0$

Factor

$(3 {x}^{2} - 9)(2x - 6) = 0$

$3 {x}^{2} - 9 = 0 \: or \: 2x - 6= 0$

$3 {x}^{2} = 9 \: or \: 2x = 6$

${x}^{2} = 3\: or \: x = 3$

${x} = \pm \sqrt{3} \: or \: x = 3$

The domain of the given equation is

$x \ne3$

Therefore the actual solutions are

$x = \pm \sqrt{3}$

NB: x=3 is not in the domain of the given equation. It cannot be an extraneous solution.

7 0

3 years ago

Which fraction has the value that's equal to 7/8

vova2212 [387]

21/24 That's my best guess

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3 years ago

(Need help ASAP!) Select the equation that most accurately depicts the word problem.

antiseptic1488 [7]

I the answer is C I’m not really sure but I’ll update u when i get the answer

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3 years ago

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Use distributive property to write and expression equivalent to 7 (48)

-BARSIC- [3]

Did you mean 7 (4+8)?

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3 years ago