4,511 Answered Questions for the topic prealgebra

Prealgebra

10/29/20

I need help solving a proportion problem this is to do with Intermediate Algebra Please HELP!!
on a world map the distance between city A and city B is 5.625 inches. the two cities are actually 1688 miles apart. on the same map, what would be the distance between city c and city d, two... more
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Prealgebra Math

10/29/20

I Need Help With This Problem
A water tower is 48 feet tall and casts a shadow 72 feet long, while a child casts a shadow 6 feet long. How tall is the child?
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Prealgebra Math

10/29/20

Can I get some help on this Please and Thank you :)
Write the ratio: 415 to 345 as a fraction in lowest terms.
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Prealgebra Math

10/29/20

Can i Get help on this thanks
A water tower is 48 feet tall and casts a shadow 72 feet long, while a child casts a shadow 6 feet long. How tall is the child?
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Prealgebra Math

10/29/20

Can I please get help, I'm Stuck Thanks :)
The entire length of a violin is 24 inches, while its body length is 15 inches. The bass is an instrument proportional to the violin. If the total length of a bass is 72 inches, find its body length.
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Prealgebra Math

10/29/20

I Need Help with this problem , Please and thank you.
A traveling salesman figures it costs 27 cents for every mile he drives his car. How much does it cost him (in dollars) a week to drive his car if he travels 390 miles a week?
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Prealgebra Math

10/29/20

I need help with this equation if you could help that would be greatly appreciated
A farmer knows that of every 50 eggs his chickens lay, only 45 will be marketable. If his chickens lay 2400 eggs in a week, how many of them will be marketable?
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Prealgebra

10/28/20

The distance traveled by a car going 65mph for 3.5 hours is how many miles?
I don't understand how to figure this out.
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Prealgebra

10/27/20

A line passes through the points (-1, 4) and (2, -2). What is the equation of this line?
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Prealgebra Math Algebra 1 Algebra 2

10/26/20

Identify the Vertex, y-intercept, and x-intercept(s) (Could someone show me step-by-step)
f(x) = x^2 - 14x + 45Vertex:y-intercept:Both x intercepts:
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Prealgebra Math Algebra 1 Algebra 2

10/26/20

Could someone show me the steps to figure this out? Identify the leading term, End behavior, x-intercepts, and their multiplicities (
f(x) = -4x^5(x - 11)^2 (x+7)^3 Leading Term: -4x^5Left Side: ?Right Side: ?x-intercepts: 0, 11, -7 Multiplicities: ?
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10/26/20

The population of a small town is growing at a constant rate. (Please show me step by step)
The population of a small town is growing at a constant rate. In 2007 the population was 15,400 and in 2013 the population was 22,600.Part A: Use the data points (7, 15400) and (13, 22600) to write... more
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Prealgebra

10/26/20

i need help please
The entire length of a violin is 24 inches, while its body length is 15 inches. The bass is an instrument proportional to the violin. If the total length of a bass is 72 inches, find its body length.
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Prealgebra

10/26/20

Need help please and thanks
The scale on a map is drawn so that 4.5 inches corresponds to an actual distance of 350 miles. If two cities are 11.5 inches apart on the map, how many miles apart are they? (Round to the nearest... more
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Prealgebra

10/26/20

Need help with this equation
During a recent election, 49 of every 100 registered voters in a certain city voted. If there were 113,200 registered voters in that city, how many people voted?
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Prealgebra

10/26/20

I need help with this equation
If a car travels 377.5 miles on 49 liters of gas, how many liters of gas will it take to go 670 miles if the car travels at the same rate? (Round to the nearest tenth)
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Prealgebra

10/26/20

I need help with this please
A 6-ounce serving of grapefruit juice contains 159 grams of water. How many grams of water are in 8 ounces of grapefruit juice?
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Prealgebra

10/26/20

i need help with this
A traveling salesman figures it costs 34 cents for every mile he drives his car. How much does it cost him (in dollars) a week to drive his car if he travels 465 miles a week?
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Prealgebra

10/26/20

need help im really stuck
he scale on a map is drawn so that 3.5 inches corresponds to an actual distance of 425 miles. If two cities are 7.25 inches apart on the map, how many miles apart are they? (Round to the nearest... more
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Prealgebra

10/26/20

need help with this
If a car travels 376.9 miles on 48 liters of gas, how many liters of gas will it take to go 699 miles if the car travels at the same rate? (Round to the nearest tenth)
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Prealgebra

10/26/20

Need help with this equation
During a recent election, 58 of every 100 registered voters in a certain city voted. If there were 135,600 registered voters in that city, how many people voted?
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Prealgebra Math Algebra 1 Algebra 2

10/24/20

Please answer this question.
A biology test is worth 100 points and has 36 questions.a. Multiple-choice questions are worth 2 points each and essay questions are worth 6 points each. How many questions of each type are on the... more
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Prealgebra

10/24/20

I need help please
A truck's odometer reads 25,711.3 miles at the beginning of a trip and 26,035.0 miles at the end. If the trip takes 14.8 gallons of gas, what is the gas mileage in miles per gallon? (Round to the... more
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Prealgebra

10/24/20

Need help with equation
A gas tank in a car has a capacity of 90 liters. On a full tank of gas, the car travels 340 miles. What is the mileage in miles per liter?
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Prealgebra

10/24/20

Need help with equation
A gas tank which can hold a total of 79 liters contains only 9 liters of gas when the driver stops to refuel. If it takes 7 minutes to fill up the tank, what is the rate in liters per minute?
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