What amounts of 70% pure silver and 85% pure silver should be mixed to obtain 14 grams of 82% pure silver? [either give EXACT answers, which are fractions, or give 5 decimal places] number of grams of 70% silver is number of grams of 85% silver is

Q: If I decided to decrease the percentage of 80% alcohol to 65% by taking out an amount and replacing…

A: 1 liter amount has 80% alcohol. How much amount was replace by pure water to make 1 liter amount of…

Q: There are some apples and oranges in a fruit basket. If Eve eats 2 apples, the number of apples left…

A: Let x be the number of apples and y be the number of orange inthe fruit basket.

Q: (b) During a nationwide program to immunize the population against a new strain of the flu, public…

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Q: A bag contains 140 marbles , some red and some green . The ratio of red marbles to green ones is 2.5…

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Q: One canned juice is 15% orange juice; another is 5% orange juice. How many liters of each should be…

A: Given One canned juice is 15%  orange juice another is 5% orange juice

Q: 3. The sum of the present ages of Juan, Antonio, and Nancy is 210 years. Thirty-five years ago, the…

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Q: A merchant has five pounds of mixed nuts on hand; they cost $30.  He wants to add peanuts that cost…

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Q: How many liters of 40% acid solution must be mixed with 12 liters of a 65% acid solution to get a…

A: Let we have to mix x liters of 40% solution  So in x liters of 40% solution , there is (40% of x)=…

Q: b) During a nationwide program to immunize the population against a new strain of the flu, public…

A: Given cost function: Cx=1.85x100-x…1 Answer for sub question 1: To find Cx when x=20 Substitute…

Q: Maya is trying to decide between two different car renta agencies. Rental company C charges a flat…

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Q: 1. when jack and jill work together, they can carry a cooler of water up a hill in 12 hours. when…

A: ln(xy2z3) = ln(x) + lny2 + lnz3 = lnx + 2lny + 3lnz As ln am = mln a

Q: During a nationwide program to immunize the population against a new strain of the flu, public…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: (b) During a nationwide program to immunize the population against a new strain of the flu, public…

A: As per the question: The cost of inoculating x% of the susceptible population is given by…

Q: The Greenpoint factory produced two fifths of the Consolidated Brick Company's bricks in 1991. If…

A: The Greenpoint factory produced two-fifths of the Consolidated Brick Company's bricks in 1991.…

Q: The ratio of three numbers is 7: 3:2. These three numbers have a sum of 228. What is the difference…

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Q: 4) Jamila runs a grocery store that sells bulk coffee bean blends by the pound. She wishes to mix 40…

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Q: the ratio of cherry to grape candies in a bag is 3 : 8. You and your friend arehungry and start…

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Q: Three friends, A, B, and C, start a business with investments in the ratio of 4:3:5, respectively.…

A: NOTE: Refresh your page if you can't see any equations. . A invested $7500 sot take A=7500…

Q: A cake box contained 2 kinds of cake: strawberry and chocolate. If 2 strawberry cakes were to be…

A: Solved below

Q: Terrence has a garden divided into two parts. in one part of the garden, he planted 1/4 with tulips,…

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Q: A banana contains 121 calories. It contains equal grams of protein and fat. There are 29 grams of…

A: Total calories =121 Amount of protein and fat are equal, let =x grams Let amount of carbohydrates =y…

Q: The ratio of boys to girls in the checkers club at one school is 2:3. The number of club members is…

A: Let Number of boys in checker club = 2x  Let Number of Girls in checker club = 3x

Q: 1. When Jack and Jill work together, they can carry a cooler of water up a hill in 12 hours. When…

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Q: Anaysha has 6 teaspoons of rosemary. The ratio of teaspoons to tablespoon is 3:1. How many…

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Q: At the start of the school year,the ratio of boys to girls in drama club is 5 to 3.After Winter…

A: At starting in drama club let the number of boys be x and number of girls is y  At start ration of…

Q: You need a 60% alcohol solution. On hand, you have a 320 mL of a 40% alcohol mixture. How much pure…

A: Use the concept of percentage and solve the problem.

Q: HOw would you solve this? Lenny makes $200 more a month then Mandy makes. Mandy makes $350 less…

A: Simplification

Q: A mixture of red, green, and blue shirts was kept in a box. 2/5 of the shirts were red. When half of…

A: Let the ratio of red, green and blue shirts is x : y : z. Let the total number of shirts be n. Then…

Q: Three friends, A, B, and C, start a business with investments in the ratio of 4:3:6 respectively.…

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Q: (b) During a nationwide program to immunize the population against a new strain of the flu, public…

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Q: A dairy needs 275 gallons of milk containing 5% butterfat. How many gallons each of milk containing…

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Q: company sells three types of products for $20, $15, and $10 per unit. In 1 year, the total revenue…

A: To find the number of units and revenue

Q: Apples cost $2 each and pears cost $3 cach. If I bought a total of 10 picces of fruit (consisting…

A: An apple cost $2 each and a pear cost $3 each Total spent money is $24

Q: Maya is trying to decide between two different car rental agencies. Rental company C charges a flat…

A: Solution Let  c is fixed charge. m is the dollar per mile rate. x is the distance traveled in miles.…

Q: A specific shade of green glaze is made of 5 parts blue glaze to 3 parts yellow glaze. A glaze…

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Q: A mountain is 13,896 feet above sea​ level, and a valley is 122 feet below sea level. What is the…

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Q: 2) Working alone, Adam can pick forty bushels of apples in 14 hours. One day his friend Perry helped…

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Q: Need help on 13

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Q: (b) During a nationwide program to immunize the population against a new strain of the flu, public…

A: Given, the cost of inoculationg x% of the susceptible population would be  C(x)=1.85x100-xmillion…

Q: 2 Julia is x years old. Thomas is three times as old as she is. Thomas is 5 years older than Alexis.…

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

Q: The ratio of boys to girls in the checkers club at Anastasia's schoolis equal to 2:3 The number of…

A: The ratio of boys to girls in the checkers club at Anastasia's schoolis equal to 2:3 The number of…

Q: 1. Jing 1/4 spent of her money on a pack of pens,  1/2 of her money on a pack of markers, and  1/8…

A: Given: Jing 1/4 spent her money on a pack of pens,  1/2 of her money on a pack of markers, and  1/8…

Q: 6. Solve the following problem: kiwis cost 5 coins, oranges cost 4 coins, and 2 grapes together cost…

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Q: 4) The cost of producing x units of a is C(x)= 10x +50x +400. How much does it cost to produce the…

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Q: A specific shade of green glaze is made of 5 parts blue glaze to 3 parts yellow glaze. A glaze…

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Q: The total volume of two spheres is 10π cubic units. The ratio of the area is 4:9. What is the volume…

A: Given that the total volume of two spheres is 10π cubic units. The ratio of the area is 4 : 9. Let R…

Q: mixture of purple paint contains 6 teaspoons of red paint and 15 teaspoons of blue paint to make the…

A: GIVEN DATA : Mixture of purple paint contains 6 teaspoons of red paint and 15 teaspoons of blue…

Q: Maya is trying to decide between two different car rental agencies. Rental company C charges a flat…

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Q: 11. The average depth of the Pacific Ocean is 14,040 feet, and its depth is 8890 feet less than the…

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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.