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Artist 52 [7]
3 years ago
15

Write 3 3/5 as an improper fraction

Mathematics
1 answer:
Digiron [165]3 years ago
6 0

The answer is 18/5.

change the mixed number to an improper fraction by multiplying the whole number 3 by the denominator of the fraction so 3*5=15

then add 15+3=18  (the 3 you added came from the numerator of the fraction)

then place 18 over 5

your improper fraction is 18/5

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A random sample of n people selected from a large population will be asked whether they have read a novel in the past year. Let
kozerog [31]

Answer:

b. A binomial variable with 25 independent trials

Step-by-step explanation:

The conducted experiment is binomial experiment because outcome can be divided into success or failure. The success would be the people who read novel in the past year and also responses are independent of each other. We have to find the number of trials n in the given problem.

we are given that variance of R=6 and p=probability of success=0.4.

We know that variance of binomial distribution is

Variance=npq

where q=1-p=1-0.4=0.6.

By putting the values in variance formula, we can get the value of n.

6=n*0.4*0.6

6=0.24*n

n=6/0.24

n=25

Hence, random variable R is a binomial variable with 25 independent trials.

4 0
2 years ago
plezzz help me answer this question and i'll give you 5 starts and if you are the stalker who's been stalking plz stop! And imag
umka2103 [35]

Answer:

3x=x+30

2x=30

x=15

3(15)=45

15+30=45

45 for both

hope that answers your question

Step-by-step explanation:

7 0
2 years ago
What is the solution for x in the inequality 4−2x>8
ElenaW [278]

Answer:

X<-2

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Find the amount of time. I=$237. 90, P=$1525, r=2. 6%<br> Find the amount of time. __ Years
Virty [35]

~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill & \$237.90\\ P=\textit{original amount deposited}\dotfill & \$1525\\ r=rate\to 2.6\%\to \frac{2.6}{100}\dotfill &0.026\\ t=years \end{cases} \\\\\\ 237.90 = (1525)(0.026)(t)\implies \cfrac{237.90}{(1525)(0.026)}=t \implies 6=t

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Last year 190 student attended the spring dance and the total cost was 1250. Two years ago 175 people attended and the total cos
kondor19780726 [428]
Unit cost of a ticket = Income from ticket sales / number of tickets sold:

$1250
--------------- = $6.58 per ticket
190 tickets

Again:

$1175
--------------- = $6.71
175 tickets

While ticket prices do change (usually increase) from year to year, it's unusual to see such a situation here.

Don't have any guidelines by which to determine the "fixed cost of a ticket".

If we use the cost of a ticket of 2 years ago ($6.58/ticket), then the income from the sale of 225 tickets this year would be ($6.58/ticket)(225 tickets), or $1480.50.
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