the base of a rectangle is increased by 20% and the altitude is decreased by 10% by what percentage is the change in area?

Q: If the length of a building is 2 and a half times the width and each dimension is increased by 4…

A: Let original width of the building = x and original length of the building = y. According to…

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

A: Since you have posted multiple subparts we solved first three subparts for you To get the solution…

Q: Each large rectangle below represents one whole. What percent is represented by the shaded area?

A: The given figure consist of two large rectangle. Each rectangle is divided in to 5 equal parts.

Q: In a certain bacterial culture where the rate of growth of bacteria is proportional to the number…

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Q: If a quantity increases by 3 orders of magnitude, by what factor does it increase?

A: Given: A quantity increase by 3 orders of magnitude. To find: What factor does it increase.

Q: The Great Earthquake registered a magnitude of 8.5 on the Richter scale. What was the intensity of…

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Q: How many times more concentrated is an acid with a pH of 4 compared to a pH of 6?

A: PH = -log 10[H+]

Q: How many average candy bars would you have to eat to ­supply the energy needed for 8 hours of…

A: Consider the given statement. Known fact: 1 candy bar supplies 1×106 Joules and one hour of running…

Q: By decreasing the length of the side by one unit, the area of a square decreased from 100 square…

A: The total region occupied inside the square to fill the entire square is defined as the the area of…

Q: The rectangular front windshield of the bus has the length of 1.5/3 m and the width of 1.5 m. The…

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Q: The number of kilograms of water in the human body varies directly with the mass of the human. A…

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Q: While examining evidence from a shooting, a ballistics expert informs Detective Bianca that a bullet…

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Q: Prisha, his spouse, and his mother jointly purchased an estate for $360,000. Their individual…

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Q: percentage of the total number of shafts will be tolerable?

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Q: A rectangular field of corn is averaging 97 bu/acre. The field measures 1120yd by 880 yd. How many…

A: To Determine: A rectangular field of corn is averaging 97 bu/acre. The field measures 1120yd by 880…

Q: A vacuum pump removes one-half of the air in a container with each stroke. After 10 strokes, what…

A: Given that, the vacuum removes one-half of the air in a container with each stroke. Assume that the…

Q: A food company distributes its tomato soup in two cans of different sizes. For the larger can, both…

A: NOTE: Refresh your page if you can't see any equations. . the volume of the cylinder(can) is given…

Q: between 2007 and 2008, country B grew almost 2.5% to a populatiopn of 147,000 people. if this geowth…

A: between 2007 and 2008, country B grew almost 2.5% to a populatiopn of 147,000 people. if this geowth…

Q: of children who can speak in at least single words by the age of t months can be approximated by the…

A: Given that t=14  We have to find p at t=14

Q: A wall is 500 sq. feet. A gallon of paint covers 160 sq. feet. What is an appropriate conversion…

A: According to the given information, Are of the wall = 500 square feet Are one gallon can paint = 160…

Q: The Volume of a cube is in direct variation with the side length cubed. If the side length of a cube…

A: The Volume of a cube is in direct variation with the side length cubed.

Q: While examining evidence from a shooting, a ballistics expert informs Detective Bill that a bullet…

A: Definition used – Reduced fraction – To reduce a fraction we divide both the numerator and…

Q: A food company distributes its tomato soup in two cans of different sizes. For the larger can, the…

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Q: The temperature of the water boils at 100 degrees Celsius and while cooling, the temperature of the…

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Q: The distance that a body falls from rest is directly proportional to the square of the time of the…

A: The distance that a body falls from rest is directly proportional to the square of the time of the…

Q: One earthquake has a Richter scale reading of 6.5. A second is 100 times as strong. What is its…

A: Given: Reading of an earthquake is 6.5 on the Richter scale.

Q: The average height of a giraffe is about 2 x 10^1 feet. The average height of an ant is about 4 x…

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Q: A food company distributes its tomato soup in two cans of different sizes. For the larger can, both…

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Q: what if you need for a 99 percent CI to be ±10 minutes? what if you need for a 90 percent CI to be…

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Q: Some people subtract 32 and then divide by 2 to estimate the change from a Fahrenheit reading to a…

A: Some people subtract 32 and then divide by 2 to estimate the change from a Fahrenheit reading to a…

Q: Water flows into an empty pool at a rate of 80 + 22t gallons per hour. How many gallons of water are…

A: Topic:- application of integration

Q: Each big square below represents one whole. What percent is represented by the shaded area?

A: We have to find the percentage of the shaded area.

Q: The Volume of a cube is in direct variation with the side length cubed.  If the side length of a…

A:

Q: 15 people can fit comfortably into a 5 x 5 feet square.  What is the ratio of number of people and…

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Q: in 2015, there were approximately 3,901,000 births in a country. Find the birth rate in births per…

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Q: The​ half-life of caffeine in a​ person's bloodstream is about 6 hours. If a​ person's bloodstream…

A: The formula for half-life:

Q: stimate the proportion of all households that are very satisfied from the house they are living

A: The given data represents the responses of 50 households on their satisfaction level from the house.

Q: The speed of an object is the ratio of its distance traveled to time. If the speed of a bicycle is…

A: Given : The speed of a bicycle is 4.5 m/s

Q: The half-life of Sodium-24 is 14.96 hours. If a sample contains 490 mg, how many mg will remain…

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Q: The distance a ball rolls down an inclined plane is directly proportional to the square of the times…

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Q: The scale on the map is 1 : 25000 How many kilometres on the ground is represented by 9 cm on the…

A: The scale on the map is 1 : 25000 How many kilometres on the ground is represented by 9 cm on the…

Q: Each side of a square is increasing at a rate of 2 cm/s. At what rate is the area of the square…

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Q: Suppose the length of a rectangular  solid increases by 15 percent, the width decreases by 25…

A: Consider l, w and h as the length, width and height of a rectangular solid.And consider the measure…

Q: Suppose one click of the zoom-out button results in a 10 percent decrease in the size of the…

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Q: be covered by a search and rescue squad ,. Approximately , by how much does the area increase if the…

A: Given query is to find the increase in area if radius is increased by 500 meter.

Q: The distance that a body falls from rest is directly proportional to the square of the time of the…

A: Given data: Consider the distance traveled by a body is "y=144 ft", and time is "t". As per the…

Q: the area of a triangle varies jointly as its base and its height. If the base is increased by 10%…

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Q: A factory works 8 hours a d

A: Given, a factory work s 8 hours a day, producing three products namely A, B, and C. Each of these…

Q: At noon, a tank contained 6 cm of water. After several hours, it contained 3 cm of water. What is…

A: Given that a tank contained 6 cm of water. After several hours, it contained 3 cm of water

Q: The weight of an airplane including cargo varies as the square of the velocity and the…

A: NOTE: Refresh your page if you can't see any equations. . w=weight  v=velocity A=area . The weight…