Keith's dad is 23 years older than Keith. If the sum of their ages is 51, how old is Keith (k)

Q: 4.) Last week Olivia power walked 2 miles per day on each of the 7 days. During the same week, she…

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Q: Four cooks can make 24 omlets in 10 minutes. If i order 90 omlets and need them ready in 15 minutes,…

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Q: There are four boys and four girls at a party. In how many ways can they be seated in a row if they…

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Q: The ratio of students who buy lunch to students who bring lunch in the fourth grade is 7:4. How many…

A: topic- ratio and proportion

Q: The number of cells in a tumor doubles every 4.5 months. If the tumor begins with a single​ cell,…

A: After every 4.5 month , cells doubles . So, sequence of tumour cells is like GP -  1 , 2, 4, 8,…

Q: Ian is 75 years younger than Alejandra. 2 years ago, Alejandra's age was 4 times Ian's age. How old…

A: Let Ian is now x year old.∴According to the question,Alejandra's age is now (x+75) years2 years ago,…

Q: Bonnie Woodruff is on a 2.1% straight commission with a $700 drawing account. If she is paid the…

A: The total sales volume of Bonnie =$142,100 The commission rate for Bonnie=2.1% To determine the…

Q: 3. Suppose an amount of money is invested at 8% per year. An additional amount of money equal to…

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Q: a university, a dean is going to select 8 volunteers to serve on a committee. There are 9 volunteers…

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Q: If a person is dealt 13 cards from an ordinary deck of 52 playing cards several times, how many…

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Q: A king in ancient times agreed to reward the inventor of chess with one grain of wheat on the first…

A: According to the given information, the king is rewarding the inventor of chess with grains of wheat…

Q: to hire a mathematics tutor from Excel Review Center and planned to contribute equal amount for the…

A: Let:x=number of examineesy=tutor's feeyx=original fee shared per examinee.if there were more 10…

Q: 8. Becca is twice as old as Susan and Greg is 9 years older than Susan. 3 years ago, Becca was 9…

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…

Q: Find the 8th term of an AP where the sum of first and third terms is (18) and the difference between…

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Q: A strawberry patch is 1.2 dam long and 1.5 dam wide. If one perosn can pick 3m2 in an hour, then how…

A: Given  length=1.2 dm =1.2 x 10 m =12m wide = 1.5 dm =1.5 x 10 =15m Area of strawberry patch is =…

Q: Miranda's financial aid stipulates that her tuition not exceed $1500. If her college charges a $45…

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Q: A King in ancient times agreed to reward the inventor of chess with one grain of wheat on the first…

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Q: At a restaurant you can choose from 3 appetizers 8 entrees, and 2desserts.How many different three…

A: Ans#-  Given, At a restaurant you can choose from 3 appetizers 8 entrees, and 2desserts.…

Q: Hosea is given $100. Each day, he gains 1% on the total dollar amount he has, then he loses 1% of…

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Q: Dimitri wants to make 17 cents using only pennies, nickels, and dimes. How many different…

A: This question can be solved using logic

Q: Ahmed earns RO 9.500 for a regular 40 hour work week. His overtime rate is 1½ times of regular rate.…

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Q: An employee receives a 2% raise once per year. If the employee's initial salary is $75,200.00, what…

A: topic- exponential function

Q: 3. If Maryam is older than Lina and if her age is multiplied by Linaa age will be 376 and the sum of…

A: Here Maryam age is multiple by Linaa age will be 376. and the sum of Maryam and Linaa age is 55.

Q: Albert and della have the same birthday, when della was 30, albert was 36. how old was delia when…

A: A1. Della's age 30 Albert age 36 Therfore, age difference = 36-30 =6   Let della was x years old…

Q: The number of people applying for free financial aid has gone up in the past decade by 6.74%. If the…

A: Given Data: Change in percentage=0.0674   Number of people that used to apply=9720000

Q: A woman with a basket of eggs finds that if she removes the eggs from the basket 5 or 11 at a time,…

A: Euclid division lemma states that if a, b, q and r are set of integers then   a=b q +r, where…

Q: Find the sum of the first 12 terms for the follov a2=3, a4=7 The sum of the first 12 terms is

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Q: If the sum of the first 14 terms of an AP is 1050 and its first term is 10 .Find the 20th term?

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Q: If you bought 7 burgers and 3 slices of pizza from the cafeteria, you get $1 change from a $20 bill.…

A: Please refer the attached image for complete solution.

Q: Three-fourths of Mrs. Hoffman's fifth-grade students are boys. To make the number of boys and girls…

A: Let the number of students in Hoffman's class be x Number of boys = (3/4)x Number of girls = (1/4)x…

Q: culture of bacteria triples by the end of each hour. If there were initially 40 bacteria in a…

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Q: What percent of people would you expect to complete the form in less than 2.9 hours? What percent of…

A: Let X be the number of hours to complete a 1040 tax form which follows normal distribution with mean…

Q: If 2/3 of an estate is to be divided among 6 family members, what fraction of the estate does each…

A: Given, The estate is 2/3,  To divide 2/3 of an estate among 6 family members.

Q: The managers want to know how many boxes of 12 cookies can be filled with the 3,258 cookies that…

A: In equation we are equating two sides left hand side and right hand side. It contains variable,…

Q: Suppose the sales tax rate of Pagadian City is 7% of the purchase price. If the price of the digital…

A: Topic:- parsentage

Q: Franklin was smart and bought all of his textbooks for college used. This way, he saved 30% on the…

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Q: 3.) The sum of the ages of Roy, Boyet and Bong is 12. Boyet is 3 years younger than Roy and Roy is 6…

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Q: elenda received an order from a client to be finished in two weeks for her furniture business. If…

A: To determine the number of workers needs to finish the work in two weeks.

Q: If Rachel’s hair grows 3.5 inches in 6 months. How much would you expect her hair to grow in 2…

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Q: A sales person has a goal of averaging $2000 worth of sales per day.  During the first four days of…

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Q: If 7 men can do a certain job in 12 days, how long would it take 6 men to do the same job?

A: It is given that 7 men do a certain job in 12 days. We have to find the number of days taken by 6…

Q: The fourth term of an A.P. is equal to 3 times of the first term and the seventh term exceeds twice…

A: let first term a , and common difference = d  now according to the question

Q: If the sum of first 7 terms of an A.P is 49 and that of 17 terms is 289,find the sum of first n…

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Q: What is the product of 19 and the sum of 13 and k?

A: Given,            The product of 19 and the sum of 13 and k.We know that,           The symbol of…

Q: A King in ancient times agreed to reward the inventor of chess with one grain of wheat on the first…

A: Using the rules of Geometric progression we can solve for the statement

Q: 1. The average of 3 numbers is 60. If two of the numbers are 50 and 60, what is the third number?

A: Given,The average of 3 numbers=60first and scond number is 50 , 60

Q: A ball is dropped from a height of 192 feet. If it rebounds 3 4 of the height from which it falls…

A:

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.