3) Find the mass and center of mass of a wire in the shape of the helix: x = t, y = cost,z = sin t; 0

Q: John can wash the family car in one hour. His sister can wash it in 45 minutes. How long will it…

A:

Q: Zane can paint a bedroom in 5 hours. With help from his father, Zane and his dad can paint the same…

A: Explanation: Given that,  Zane can paint a bedroom = 5 hours Zane & his father can paint a…

Q: if two new rabbit are put in a pen, How many rabbits will be in the pen after one year? give the…

A: GivenTotal pairs (male and female) of rabbits put in pen initially =1 One pair of rabbit give birth…

Q: If Sandy can paint a fence in 2 hours and Erik can paint the fence in 3 hours, if they work…

A:

Q: Mr X's age is three times my age. The sum of our ages is 40. How old am I? How old is mr x?

A: Let Mr X’s age is x and my age is y.It is given that; Mr X’s age is three times my age.Implies that,

Q: John can finish a job alone in 5 hours. Jack can finish the same job alone in 6 hours. How long does…

A: John can finish a job alone in 5 hours. Jack can finish the same job alone in 6 hours.

Q: Find how many quarts of 5​% butterfat milk and 2​% butterfat milk should be mixed to yield 75…

A: Given that Find how many quarts of 5​% butterfat milk and 2​% butterfat milk should be mixed to…

Q: Cecilia is 5 years older than Amit. If the sum of their ages 10 years from now will be 95, how old…

A:

Q: Megan has been planting young trees in her garden. One maple tree is 66 centimeters tall and is…

A: Solution

Q: Sara is 6 years older than her brother. In 5 years she wil be twice as old as her brother. What is…

A: suppose sara age=x     her brother age=y x=6+y.........1 in 5 years (X+5)=2(y+5)

Q: A company produces 128000 cases of soft drink annualy. It costs 1 dollar to store 1 case for 1 year…

A: Topic = Algebra

Q: The annual state budget for New York is 177.0 billion with a population of 19.5 million residents.…

A: Consider the given information. The annual state budget for New York is 177.0 billion and the…

Q: It takes a pump 10 minutes to move 55 liters of water up the hill.Using the same pump under the same…

A: We need to find the amount of water move in 22 minutes

Q: Would 6 divided by 0 equal no solution?

A: Yes. Any number cannot be divided by zero.If we didvide any number by zero, then we get an undefined…

Q: Simon is a third of his dads age. In 12 years his dad will be twice as old as Simon. What are their…

A:

Q: One -half of Heather's age two years from now plus one-third of her age three years ago is twenty…

A:

Q: An inlet faucet can fill a small pond in 60 minutes. The pond can be emptied by an outlet pipe in 80…

A: Consider the provided information, How long will it take the pond to fill? Let x- rate of inlet pipe…

Q: One bag of potting soil contains 8 quarts of soil. How many clay pots can be filled from one bag of…

A: We have to find that how many clay pots can be filled from one bag of potting soil. Given - 1 bag of…

Q: The tank can be filled with water from two taps. The first tap fills the empty tank in 2 hours less…

A:

Q: At Romar's garden, a sunflower was 14 centimeters tall when it was first planted, and continued to…

A: Given: At Romar's garden, a sunflower was 14 centimeters tall when it was first planted, and…

Q: 7+a=85 2. Solution

A: Explanation of the answer is as follows

Q: Rhoda can paint a room in 4 hours. sam can paint the same room in 5 hours. Rhoda and Sam worked…

A: Rhoda can paint a room in 4 hours. sam can paint the same room in 5 hours. work done by Rhoda in 1…

Q: A glacier is a giant mass of rocks and ice that flows downhill like a river. Portage Glacier in…

A:

Q: A 12% tin alloy is to be melted with an 18% tin alloy.   How many kilograms of each tin alloy must…

A: Alloy 1 =  12 % Alloy 2  = 18% Let the quanity of alloy 1 =x  Then , quanity of allo 2 = 15 -x