4,511 Answered Questions for the topic prealgebra

Prealgebra Math

12/01/22

Medicine is given in an amount proportional to a patient's body weight. Say a patient weighing 150 pounds requires 144 milligrams of medicine. What is the weight of a patient who needs 174.72?

A certain medicine is given in an amount proportional to a patient's body weight. Suppose a patient weighing 150 pounds requires 144 milligrams of medicine. What is the weight of a patient who... more
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Prealgebra Math Algebra 1 Algebra 2

12/01/22

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.
Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.Hint: use an= a1 (r)^n-1 and Sn= a1 (1-r^n) / 1 - rA. If the... more
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Prealgebra Math

12/01/22

how do I do this problem
The cone has a volume of 15,225pi cubic millimeters. What is the radius of the base? height=203mm
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Prealgebra

11/30/22

Plotting Points on the Rectangular Coordinate System
Find a solution to the equation 8x+5y=9. If necessary, enter your answers as decimals.
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Prealgebra Math Algebra 1 Algebra 2

11/30/22

In the year 2008 Apple sold 11 million iPhones. Over the next few years, annual sales increased by an average of 55%
In the year 2008 Apple sold 11 million iPhones. Over the next few years, annual sales increased by an average of 55%, which we will model using a geometric sequence with r = 1.55Use the geometric... more
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Prealgebra Math Algebra 1 Algebra 2

11/30/22

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.
Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.Hint: use an= a1 (r)^n-1 and Sn= a1 (1-r^n) / 1 - rA. If the... more
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Prealgebra Math Algebra 1 Algebra 2

11/30/22

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.
Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.Hint: use an= a1 (r)^n-1 and Sn= a1 (1-r^n) / 1 - rA. If the... more
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Prealgebra Math Algebra 1 Algebra 2

11/30/22

In the year 2008 Apple sold 11 million iPhones. Over the next few years, annual sales increased by an average of 55%, which we will model using a geometric sequence with r = 1.55
In the year 2008 Apple sold 11 million iPhones. Over the next few years, annual sales increased by an average of 55%, which we will model using a geometric sequence with r = 1.55Use the geometric... more
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Prealgebra Math Algebra 1 Algebra 2

11/30/22

Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.
Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.Hint: use an= a1 (r)^n-1 and Sn= a1 (1-r^n) / 1 - rA. If the... more
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Prealgebra Math Algebra 1 Algebra 2

11/30/22

A ball is dropped from a height of 20 feet. Each time the ball bounces it returns to 7/9
A ball is dropped from a height of 20 feet. Each time the ball bounces it returns to 7/9 of the height it fell from. Let an represent the maximum height of the ball on the nth bounce.A). an = 20... more
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Prealgebra Math Algebra 1 Algebra 2

11/30/22

A ball is dropped from a height of 20 feet. Each time the ball bounces it returns to 7/9 of the height

A ball is dropped from a height of 20 feet. Each time the ball bounces it returns to 7/9 of the height it fell from. Let an represent the maximum height of the ball on the nth bounce.A) Find a... more
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Prealgebra Math Algebra 1 Algebra 2

11/29/22

At the local bunny-hop, Mr. Meyering jumps 10 inches on his first jump and then 5 inches with his second jump.
At the local bunny-hop, Mr. Meyering jumps 10 inches on his first jump and then 5 inches with his second jump. If the distances form a geometric sequence, what is the total distance Mr. Meyering... more
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Prealgebra Math Algebra 1 Algebra 2

11/29/22

A tire swing attached to a tree branch swings with an arc length of 30 feet on its first swing. On each swing following the first,
A tire swing attached to a tree branch swings with an arc length of 30 feet on its first swing. On each swing following the first, the tire's arc length is 6/7of the length of the previous swing.... more
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Prealgebra Math Algebra 1 Algebra 2

11/29/22

A ball is dropped from a height of 20 feet. Each time the ball bounces it returns to 7/9
A ball is dropped from a height of 20 feet. Each time the ball bounces it returns to 7/9 of the height it fell from. Let an represent the maximum height of the ball on the nth bounce.A) Find a... more
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Prealgebra Math Algebra 1 Algebra 2

11/29/22

In the year 1859, Thomas Austin imported 24 rabbits from England to his property in Australia for sport hunting. Australia has mild winters with no natural predators
In the year 1859, Thomas Austin imported 24 rabbits from England to his property in Australia for sport hunting. Australia has mild winters with no natural predators, limited industrial... more
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Prealgebra Math Algebra 1 Algebra 2

11/29/22

In the year 2008 Apple sold 11 million iPhones. Over the next few years, annual sales increased by an average of 55%, which we will model using a geometric sequence with r = 1.55
In the year 2008 Apple sold 11 million iPhones. Over the next few years, annual sales increased by an average of 55%, which we will model using a geometric sequence with r = 1.55Use the geometric... more
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Prealgebra

11/28/22

Find an equation for the line that passes through the points (-6,-6) and (2,-4) .
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Prealgebra

11/28/22

Write and Solve Inequalities in Context
A rental car company charges $40 per day to rent a car and $0.08 for every mile driven. Justin wants to rent a car, knowing that: He plans to drive 125 miles. He has at most $170 to spend. Write... more
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11/27/22

MathXL question

Ms. Smith invested ​$36,000 in two​ accounts, one yielding 7​% interest and the other yielding 8​%. If she received a total of​ $2,720 in interest at the end of the​ year, how much did she invest... more
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Prealgebra Math Algebra 1

11/26/22

7th grade expressions, equations, & inequalities, Simplify to create an equivalent expression. 5(10k+1)+2(2+8k)
Simplify to create an equivalent expression.5(10k+1)+2(2+8k)
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Prealgebra Math Algebra 1 Algebra 2

11/26/22

Find the common ratio and write out the first four terms of the geometric sequence 7^n+2 / 2.
Find the common ratio and write out the first four terms of the geometric sequence7^n+2 / 2.Common Raito is 7Write the following answers as decimal numbers using 2 decimal places.a1 = ______a2=... more
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Prealgebra Math Algebra 1 Algebra 2

11/25/22

Nodin is earning money for a longboard by selling lemonade at the soccer fields. Being a precocious and poorly-supervised 12 year old
Nodin is earning money for a longboard by selling lemonade at the soccer fields. Being a precocious and poorly-supervised 12 year old, Nodin has no transportation and decides to use water from a... more
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Prealgebra Math

11/25/22

I need help with this math problem!
A boat travels upstream and reaches town A in 2 hours. The return trip is 1 hour 40 min. What is the speed of the boat in still water?
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Prealgebra

11/25/22

Using Properties of Rectangles, Triangles, and Trapezoids
Find the length of each side of an equilateral triangle with perimeter 18 meters.
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Prealgebra

11/25/22

Using Properties of Rectangles, Triangles, and Trapezoids
David wants cover his patio with concrete pavers. If the patio is shaped like a trapezoid whose bases are 14 feet and 10 feet and whose height is 13 feet, how many square feet of pavers will he need?
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