MATHEMATICS COLLEGE

98 points to answerFor the parallelogram, find the value of the variables. Show your work.

Answers

Answer 1

Answer: i think that the answe is 17

Answer 2

Answer:

Answer:

Step-by-step explanation:

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Please help!! Thank youu

Answers

Answer:

Your answer is C

Step-by-step explanation:

Supplementary angles are angles that come out to 180 degrees when added.

90+90=180

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 the random variable R represent the number of people from the sample who answer yes. The variance of random variable R is 6. Assume the responses are independent of each other. If the proportion of people from the population who read a novel in the past year is 0.40, which of the following is the best interpretation of random variable R ?a. binomial variable with 15 independent trialsb. A binomial variable with 25 independent trialsc. A variable that is not binomial with 25 independent trialsd. A binomial variable with 40 independent trialse. A variable that is not binomial with 40 independent trials

Answers

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.

GUESS!147 - One digit is right but in the
wrong place
189 - One digit is right and in its
Place
964- Two digits are correct but both
are in the wrong place
523 - All digits are wrong
286 - One digit is right but in the
wrong place
What
are
the three numbers !

Answers

The three numbers are 6, 7 and 9

Explanation:

First of all exclude the numbers which aren't correct.

From the 4th data,We can conclude the digit 5, 2 and 3 are wrong.

Now,

147 - One digit is right but wrong placed
189 - One digit is right and placed correctly
964 - Two digits are correct but at wrong place
523 - All digits are wrong
286 - One digit is right but in the wrong place

We've to find the three digits :

From case 4: 5, 2 and 3 are wrong

So, remove 5, 2 and 3 from all the cases

The numbers are:

147 - One digit is right but wrong placed
189 - One digit is right and placed correctly
964 - Two digits are correct but at wrong place
_86 - one digit is right but in the wrong place

From 1st and 3rd we can say that: 4 is present in both the case but wrongly placed.

Now the digits become:

1_7 - One digit is right but wrong placed
189 - One digit is right and placed correctly
96_ - Two digits are correct but at wrong place
_86 - one digit is right but in the wrong place

From 3rd and 4th case we can say that: 9 and 6 are correct but wrongly placed, 8 is not the number and 6 is placed at first

So, the two numbers of a 3 digit number are 6 and 9

From 2nd, 3rd and 4th case, the position of 6 and 9 are:

6 _ 9

From 1st case, 7 is the digit but wrongly placed. So, the 3 digit number becomes:

6 7 9

-7/3 x = 7 solve for x

Answers

Answer:

x= -3

Step-by-step explanation:

-1+[(10-12)3 divided by (-16)] =

Answers

Answer:Step-by-step explanation:

-1.375

A light bulb consumes 3600 watts- hours per day. How many watt - hours does it consume in 5 days and 6 hours?

Answers

Answer:

13500/3600= 3 days and 3/4 of a day

Answer:

18,900 watt-hours for 5 days and 6 hours of use

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