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3 years ago

6

2.16 repeating as a mixed number and fraction

2 answers:

Ganezh [65]3 years ago

7 0

Answer:

A number is said to be in fractional form if it can be written in the form of $\frac{p}{q}$ , where , q≠0.

and it is said to be in Mixed fraction , if it can be written in the form of $a\frac{b}{c}$ .

$\rightarrow2.16=\frac{216}{100}\\\\\text{Dividing numerator and denominator by 4}\\\\=\frac{54}{25}---\text{fraction}\\\\=2\frac{4}{25}-----\text{Mixed number}$

MrMuchimi3 years ago

3 0

2 16/100 this would be that as a fraction. I'm a little confused as to what your asking

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The mailing list of an agency that markets scuba-diving trips to the Florida Keys contains 78% males and 22% females. The agency

choli [55]

Answer:

a) 0.98% probability that 17 of the 29 people are men.

b) 3.86% probability that the first woman is reached on the 8th call

Step-by-step explanation:

For each person chosen by the agency, there are only two possible outcomes. Either it is a man, or it is a woman. The probability of selecting a man or a women in each trial is independent from other trials. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

(a) What is the probability that 17 of the 29 people are men?

This is P(X = 17) when $n = 29, p = 0.78$ . So

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 17) = C_{29,17}.(0.78)^{17}.(0.22)^{12} = 0.0098$

0.98% probability that 17 of the 29 people are men.

(b) What is the probability that the first woman is reached on the 8th call?

On the first 7 trials, all men, each with a 78% probability.

On the 8th trial, a women, with a 22% probability. So

$P = (0.78)^{7}*0.22 = 0.0386$

3.86% probability that the first woman is reached on the 8th call

4 0

3 years ago

You have a new tv that is marked as a 56”. if the aspect ratio is 16:9 what is the height and width

KonstantinChe [14]

Answer:

yo mama i have no idea dude lol have a good daye

7 0

2 years ago

Can u do this bro 100x7+8-678x56

Gelneren [198K]

PEMDAS 100 times 7 is 700 678 times 56 is 37968 700 +8 - 37968 -37260

7 0

3 years ago

algol [13]

Answer:

0

Step-by-step explanation:

We have the two functions:

$f(x)=\sqrt{x}+12\text{ and } g(x)=2\sqrt{x}$

And we want to find (f-g)(144).

This is the same thing to f(144)-g(144).

So, let’s determine the value of f(144) and g(144) first:

$\begin{aligned} f(144)&=\sqrt{144}+12 \\ &=12+12 \\ &=24\end{aligned}$

And:

$\begin{aligned} g(144)&=2\sqrt{144} \\ &=2(12) \\ &=24 \end{aligned}$

Hence:

$\begin{aligned} (f-g)(144) &= f(144)-g(144) \\ &=24-24 \\ &=0 \end{aligned}$

Our final answer is 0.

6 0

3 years ago

Read 2 more answers

Find 6 rational numbers between -2/3 and 1/2?

a_sh-v [17]

Answer:

-3/6 -2/6 -1/6 0/6 1/6 2/6

4 0

3 years ago