4,511 Answered Questions for the topic prealgebra

11/19/19

systems of measurement

How would you reply to a student who said, “Why do we need to study the metric system when it is harder and nobody uses it?”
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11/19/19

volume and surface area
Describe, in a series of steps, how you would help a student “see” how many cubic centimeters are in a cubic meter. Assume that you have a meterstick and centimeter cubes.
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11/19/19

symmetric figures
. A student concludes that if a figure has two lines of symmetry, it also has rotation symmetry. How would you respond to this observation?
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11/19/19

polygons and tessalations
#4. Nathan asked his teacher if it is possible to have an angle greater than 360 degrees. How would you respond to this question?
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11/19/19

10.3 Space Figures
Natalie asked her teacher why, when you blow bubbles, they are round like a sphere and not cubes or other shapes. Research the question and then write a response you can give to this... more
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11/18/19

Solve the Equation
V=1/3Ah Solve for h Solve for the specified variable
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Prealgebra

11/17/19

13 1/3% as a fraction in the simplest form
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11/17/19

Write as a product:36-b^2-c^2+2bc
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11/17/19

Factor completely: c^2+2c+1-a^2
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11/17/19

Write as a product: b^2c^2-4bc-b^2-c^2+1
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11/17/19

Solve the equation for the specific variable.

Can someone please help me understand and solve this:A=P+PRT; Solve for R
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Prealgebra

11/17/19

Pearson Please help
A certain blueprint shows two fences. Fence A is 1 and one half yards long but is 1 and four fifths  inches long on the blueprint. What is the unit rate for inches per yard on this blueprint​? If... more
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Prealgebra

11/16/19

Pearson, please help
Last weekend, Amy raked leaves in her front yard. She noticed that 11/3 pounds of leaves filled 4/9 of a bag. What is the unit rate for pounds of leaves per bag?
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Prealgebra

11/16/19

Complete the equation of the line through (4,-8) (8,5)
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11/15/19

Jose earned 50 points in a video game. He lost 40 points, earned 87 points, then lost 30 more points. When Jose finished playing the game, what was his final score?
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11/15/19

Solve the problem

Suppose economics use a model of a country’s economy the equation C=0.6716D + 5.9845When C represents the consumption of products int he billions of dollars and D represents disposable income in... more
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Prealgebra Mathematics

11/14/19

List the numbers in order from least to greatest -65,34,7,-13,55,62,-7
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Prealgebra

11/14/19

Sue ran a total of 195 minutes. If she ran25 more minutes today than she did yesterday, howlong did she run each day?
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Prealgebra Pattern

11/14/19

3, -6, 12, 4, 20, ?
What what is the best option that continues the pattern?1314616
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Prealgebra Algebra 1 Algebra

11/14/19

Solve the problem
Let p be the percentage of people who are unsatisfied with their current job at t years after 1990. A reasonable model is P=0.81t+26.1. In which years will more than 50% of people be unsatisfied... more
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11/13/19

How far does han run after a half hour? After an hour?
Han runs at a pace of 12 minutes per mile.tyler runs at a pace of 15 minutes per mile.
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Prealgebra Math Algebra 1 Algebra

11/13/19

For a field trip, a bus company charges a flat fee plus an additional fee per student. For 25 students, the total cost is 135.50. If there are 30 students, the total cost is 145.

Write an equation that represents the total cost y of the field trip for x students.I don't understand how to find the flat fee.
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Prealgebra

11/13/19

Math word Problem
Jen recently rode her bicycle to visit her friend who lives 6 miles away. On her way there, her average speed was 8 miles per hour faster than on her way home. If Jen spent a total of 2 hours... more
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Prealgebra

11/13/19

You bought a cookie for $1.00 and share it with four friends, 1 friend can't eat peanut butter, How much should you pay for your 2 shares of the cookie
You buy a peanut butter cookie for $1.00 and split it to share evenly with four friends, but realize that one of your friends can't eat peanut butter, so you eat both your share and his share. How... more
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Prealgebra

11/13/19

Need help, please do!!!!!
22 magazines weigh five eighths 5/8 pound in​ all, and that the magazines all weigh the same amount. What is the unit rate for pounds per​ magazine?
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