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# Whats a periodic table

A table of the chemical elements arranged in order of atomic number.

## Related Questions

Posted in Mathematics

Whats the product of 86 and the depth of the river?

Here is how you are going to get the answer:

Let the depth of the river = d

So in order to find the product, you simply multiply

so the product of 86 and the depth of the river would be 86 * d

or 86d.

Posted in Mathematics

If np >5 and nq>5 estimate P (fewer than 4) with n=13 p=0.4 by using normal distribution as an approximate to the binomial distribution if np <5 or nq< then state that the normal approximation is not suitable.

The Normal approximation to the binomial

is as follows

mean=13(.5)=6.5
variance=6.5(.5)=3.25
Pr[fewer than 4]=
Pr[N<=3] Apply the continuity correction
Pr[N<=3.5]~=Pr[Z<3.5-6.5/sqrt(3.25)]=

Pr[Z<-1.66]=0.048457226

I hope my answer has come to your help. God bless and have a nice day ahead!

Posted in Mathematics

Whats 1/16 converted to a decimal

0.0625 is the answer in decimal form

Posted in Mathematics

The table shows revenue R (in millions of dollars) of a company when it spends A (in millions of dollars) in advertising. a. Write a linear function that relates the revenue to the advertising cost. b. What is the revenue of the company when it spends $10 million on advertising? (Table is attached below) Advertising is x and revenue is y (0,2)(2,6) slope = (6 - 2) / (2 - 0) = 4/2 = 2 y = mx + b slope(m) = 2 (0,2)...x = 0 and y = 2 now we sub and find b, the y int 2 = 2(0) + b 2 = b so ur equation is : y = 2x + 2 spends 10 mill on advertising.....so x = 10 y = 2x + 2 y = 2(10) + 2 y = 20 + 2 y = 22.....so the revenue (y) of the company is 22 (million) Posted in Mathematics Jordan and Jake each work during the summer. Jordan earns$9 per hour at her job. Jordan also gets a $10 weekly allowance. Jordan displayed her earnings in a table. Hours: 0 1 2 3 4 5 6 7 8 Earnings: 10 19 28 37 46 55 64 73 82 Jake earns$6.50 per hour at his job. Jake also gets a $15 weekly allowance. Jake displayed his earnings in a graph. How many hours will it take for Jordan and Jake to earn the same amount of money? (I POSTED THIS ANSWER BEFORE BUT IT NEVER GOT ANSWERED AND I REALLY NEED IT) Answer: It will take 2 hours for Jordan and Jake to earn the same amount of money Step-by-step explanation: Jordan earns$9 per hour

Let he worked for x hours

So, he earned in x hours = 9x

Jordan also gets a $10 weekly allowance. So, his total earning in x hours = 10+9x Jake earns$6.50 per hour at his job.

Let he worked for x hours

So, he earned in x hours = 6.50x

Jake also gets a $15 weekly allowance. So, his total earning in x hours = 15+6.50x Now to know How many hours will it take for Jordan and Jake to earn the same amount of money    [tex]x=2/tex] Hence it will take 2 hours for Jordan and Jake to earn the same amount of money ## Use our writing service to score better and meet your deadlines No matter what kind of academic paper you need, it is simple and secure to hire a writer for a price you can afford at StudyHawks. Save more time for yourself. Posted in Mathematics 4,-24,144,-864,... whats the 8th term in the sequence? Are 24 and 864 supposed to be negatives? If so, that means that each term is multiplied by negative 6. So, 4 times -6 = -24. Then -24 x -6 = 144. And so on. So -864 x -6 = 5,184. (5th term) 5,184 x -6 = -31,104. (6th term) -31,104 x -6 = 186,624. (7th term) 186,624 x -6 = -1,119,744. (8th term) I think, and hope, that it is correct. Hope this helps! :) Posted in Mathematics Which table could be a partial set of values for a linear function? Answer: Table 4 Step-by-step explanation: As we know that A Linear function is the one whose graph represents a line OR value of its dependent and independent variable change at a rate which remains constant throughout. Now in the fourth table the values of x and y are given as show below: x y 0.0 0.0 1 0.5 2 1.0 3 1.5 As we can see as the value of x increases by 1 from its previous value the value of y increases by 0.5 from its previous value. This trend remains the same throughout the given table. So, we can say the partial set of values given table 4 represent the Linear Function Posted in Mathematics The tables shows the total number of customers at a car wash after 1, 2, 3, and 4 days of its grand opening. Which graph could represent the data shown in the table? The correct answer is: Graph A. Explanation: We can eliminate the last two graphs as they decrease; the numbers in this table continually increase. To determine if it is graph A or graph B, we look at the spacing between the points. In the first graph, there is a steep jump between the first two points. The next two points increase more slowly, and there is another jump between the last two. In the second graph, there is a slight increase between each pair of points. This does not match the data in the table; the first two points increase from 61 to 125, whereas the next two points go from 125 to 177, which is a smaller increase. This means the correct graph is graph A. ## Use our writing service to score better and meet your deadlines No matter what kind of academic paper you need, it is simple and secure to hire a writer for a price you can afford at StudyHawks. Save more time for yourself. Posted in Mathematics Whats 2m sqaured times 2m to the third power 2m squared times 2m to the third power: Would be: 2m^2 * 2m^3 and that would be: 4m^5 Posted in Mathematics A backstroke swimmer on the Brown Middle School swim team is required to spend at least 70% of his or her total laps practicing backstroke. The following table shows the total laps and number of backstroke laps for 5 swimmers. There is no table so I cannot help you other than to say to find the answer multiply the time swimming of each participating swimmer by .7 and you shall get your time. Posted in Mathematics The table represents a function. x: -1, 2, 3, 5 y: 0, 3, 4, 6 Complete the statement by selecting from the drop-down menu. The rate of change in the function y=2x+5 is (ANSWERS: greater than, less than, or equal to) the rate of change of the function represented in the table. Which of the answers listed above is the CORRECT answer? Answer: Greater than Step-by-step explanation: The function y=2x+5 is written in slope-intercept form, y=mx+b, where m is the slope (rate of change) and b is the y-intercept. The slope in this function is 2. The slope of the function in the table is given by the formula for slope: Using the first two points, we have m = (3-0)/(2--1) = 3/3 = 1 The rate of change is 1. This is less than the first function, which means the rate of change of the function y=2x+5 is greater than the slope in the table. Posted in Mathematics If there is a positive correlation between salary and education, then based on the table shown, which of the following careers requires the least education? a. accountant b. architect c. pharmacist d. surveyor I think the correct answer from the choices listed above is option D. If there is a positive correlation between salary and education, then based on the table shown it is the surveyor that requires the least education since it has the lowest value of salary among the choices. Hope this answers the question. Posted in Mathematics Whats the first step when solving for g? 6g-4=8 Here's how to sole for g in steps: 6g=12------------------------------------Step 1: Add 4 to both sides g=2---------------------------------------Step 2: Divide both sides by 6 Good luck with your classes! I hope this helped! ## Use our writing service to score better and meet your deadlines No matter what kind of academic paper you need, it is simple and secure to hire a writer for a price you can afford at StudyHawks. Save more time for yourself. Posted in Mathematics Jordan and Jake each work during the summer. Jordan earns$9 per hour at her job. Jordan also gets a $10 weekly allowance. Jordan displayed her earnings in a table. Hours: 0 1 2 3 4 5 6 7 8 Earnings: 10 19 28 37 46 55 64 73 82 Jake earns$6.50 per hour at his job. Jake also gets a \$15 weekly allowance. Jake displayed his earnings in a graph. How many hours will it take for Jordan and Jake to earn the same amount of money? I am desperate!!!

0 hours-
Jordan: 10
Jake: 15

1-
19
21.50

2-
28
28

They will have made the same amount of money after they have completed 2 hours of work each.

--------------------------

Another easy way to find the answer is to put the two into expressions and combine into an equation:

Jordan: 9x+10
Jake: 6.5x+15

Put into one equation:
9x+10=6.5x+15

Solve:

9x+10=6.5x+15

Step 1) Subtract 6.5x from both sides:

2.5x+10=15

Step 2) Subtract 10 from both sides:

2.5x=5

Step 3) Divide by 2.5 on both sides:

x=2

You get the same 2 (hours)

If you need the value (Like how much money they made) then just plug in your x value to both expressions.

9x+10=
18+10=
28

6.5x+15=
13+15=
28

Posted in Mathematics

The teachers at Albany Middle School want to determine which elective classes students would be interested in taking next year. They surveyed all students in art class. The results are shown is the table. Can teachers make a valid conclusion form the data? Why or why not?

Base from the data 15 % of the class want to take drama, 10% of the class want to take home economics, 55% of the class want to take sculpture and 20 % of the class want to take spanish. So the teacher can conclude that most students like to do art

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Posted in Mathematics

Posted in Mathematics

three randomly selected households are surveyed. the numbers of people in the households are 1,3,8 assume that samples of size n =2 are randomly selelcted with replacement from the population of 1,3,8. Listed below are the nine different sampls 1,1 1,3 1,8 3,1 3,3 3,8 8,1 8,3 8,8 find the variance of each of the nine samples then summerize the sampling distribution of the variances in the format of a table representing the probability distribution of the distinct variance values s^2 Probability 3.3 1 6.3 49

I assumed that 3 households are sampled.
Now, is the number in each of these households equal to 1, 3 and 8 people?

Next, the question says, samples of n=2 are randomly selected (with replacement) from these 3.

So are sample space is
11
13
31
33
18
81
38
88
83
88

This is done 9 times.
Is that how you understand the problem?
When they select the household with only 1 person, the variance is 0
When they select the household with 8 people, they variance will be from a discrete uniform distribution

Similarly for household with 3 individuals.

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Posted in Mathematics

Whats 287,002 in expanded form

Expanded form is a way of writing out a number so you can see the value of each of the digits -- and then you can add them to get the full number.

200,000 + 80,000 + 7,000 + 2

Posted in Mathematics

Graph the function represented in the table on the coordinate plane.

You go out with x and up with y. so if your number is (6,7) or x6 and y 7 you go right 6 then up 7

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