4,511 Answered Questions for the topic prealgebra

Prealgebra

12/07/23

Email addresses for parent and child
Hi: I am wondering if it is possible for both my daughter and I to receive emails?Thank-you,Jill
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12/06/23

Do you provide examples of problems and work them?
If I needed extra examples and scenarios worked to fully understand a concept, do you provide examples like that?
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11/24/23

Semicircle attached to 3 triangles SAT Problem
Angle  of  is a right angle. The sides of  are the diameters of semicircles as shown. The area of the semicircle on equals , and the arc of the semicircle on  has length . What is the radius of the... more
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Prealgebra

11/21/23

Exponential function

Graph f(x)=3^-x over the interval [-2,2]
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Prealgebra Math Mathematica

11/17/23

HELP PLS // It takes 3 3/5 minutes to fill an empty aquarium to a depth of 3/8 meters. What is the unit rate in minutes per meter? Write your answer as a fraction or a mixed number in simplest form.
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Prealgebra

11/16/23

XXXXXXXXX+177=9
Figure out X
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Prealgebra Math Mathematica

11/16/23

The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 2 to 3. If there were 3625 total votes, how many no votes were there?
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Prealgebra

11/14/23

Algebra Word Problem
Jim began a ​118-mile bicycle trip to build up stamina for a triathlete competition.​Unfortunately, his bicycle chain​ broke, so he finished the trip walking. The whole trip took 4 hours. If Jim... more
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Prealgebra

11/14/23

translate point T 2 units to the left and 3 units up
pre algebra
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Prealgebra

11/13/23

what is n equal to in the problem 0=n-78
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Prealgebra

11/07/23

Manuel and DeAndre both leave the library at the same time, but in opposite directions. If Manuel travels 5 mph and Deandre travels 11 mph how long until they are 128 miles apart
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Prealgebra Math Algebra 1 Algebra 2

11/03/23

A bicycle with 24-inch diameter wheels is traveling at 20 mi/h. Find the angular speed of the wheels in radians per minute.

A bicycle with 24-inch diameter wheels is traveling at 20 mi/h. Find the angular speed of the wheels in radians per minute. How many revolutions per minute do the wheels make?
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Prealgebra Math Algebra 1 Algebra 2

11/03/23

Explain the differences between linear speed and angular speed when describing motion along a circular path. (Select all that apply.)
Linear speed is the distance traveled over time. Linear speed is always greater than angular speed. Linear speed can be measured in miles per hour. Linear speed can be measured in degrees. Angular... more
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Prealgebra Math Algebra 1 Algebra 2

11/03/23

There is lightning rod on the top of a building. From a location 650 feet from the base of the building, the angle of elevation to the top of the building is measured to be 40°.
There is lightning rod on the top of a building. From a location 650 feet from the base of the building, the angle of elevation to the top of the building is measured to be 40°. From the same... more
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Prealgebra

10/30/23

Percent Change and Percent Error
Carri is searching online for airline tickets. Two weeks ago, the cost to fly from Hartford to Boston was $220. Now the cost is $330. What is the percent increase? What would be the percent... more
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Prealgebra

10/30/23

INTERMEDIATE ALGEBRA
The concentration C(t)�(�) of a certain drug in the bloodstream after t minutes is given by the formula C(t)=0.06(1−e−0.2t)�(�)=0.06(1−�−0.2�). What is the concentration after 44 minutes? Round to... more
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Prealgebra Math Algebra 1 Algebra 2

10/24/23

A scientist begins with 250 grams of a radioactive substance. After 250 minutes, the sample has decayed to 30 grams.

1.) Write an exponential equation f(t) representing this situation. (Let t be the amount of radioactive substance in grams and t be the time in minutes.)2.) To the nearest minute, what is the... more
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Prealgebra

10/23/23

A quotient of a number and 4 is 36 as an algebraic expression
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Prealgebra

10/20/23

equation of the line passing through point (-3, 2) and parallel to the line y = 1/3x - 5
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Prealgebra

10/10/23

a number t is multiplied by -4 is at least -2/5
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10/07/23

asap needed in 30 mins (algebra help. graph)
Sketch the graph of a function f with the following properties: - f is not continuous when x=2 but limx→2​f(x) exists. - f has a jump discontinuity when x=−1. - f is continuous at all points other... more
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Prealgebra Math Calculus

10/04/23

introductory algebra 2
What is the square root of d=t * square root of 4.9?
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Prealgebra Algebra 1 Algebra 2

10/04/23

I have 30 cups of juice 8% is apple. How many cups do i need to add to make it 10% apple
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Prealgebra Algebra 1 Algebra 2

10/03/23

I have 30 cups of juice, 8% is apple. How many cups do I need to make it 10% grapefruit

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Prealgebra

10/02/23

Suppose that the water level of a river is 34 feet and that it is receding at a rate of 0.5 foot per day. Write an equation in y=mx+b format that represents this situation.

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