4,511 Answered Questions for the topic prealgebra

12/08/22

What is the probability that the ball lands on a number that is not on black?
Roulette is a game played in many casinos in which a wheel containing numbers of various colors is spun. A ball is dropped and eventually lands on a number. What is the probability that the ball... more
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12/08/22

If a student may do more than one​ job, then what is the probability that the instructor will choose at least one boy to do the​ jobs?
26) Refer to the demographic information shown to the right that has been collected by an instructor after surveying her class.The instructor randomly chooses one student to pass out​ papers, one... more
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Prealgebra

12/08/22

The difference of a number and 11 is -31. What is the number?
find the number
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Prealgebra Math Algebra 1

12/08/22

Which table represents a direct variation between x and y?
x y 5 1010 1515 2020 25 x y 5 1510 2015 2520 30 x y 5 2010 2515 3020 35 x y 5 2510 5015 7520 100
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Prealgebra

12/07/22

I need help solving this

Kayla’s swimming pool currently holds 10,595 gallons of water and is filling up at a rate of 26 gallons per week. Jayleen’s swimming pool currently holds 11,400 gallons of water but is leaking at a... more
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Prealgebra Math Algebra 1

12/07/22

How can we get to eight ninths using arrows?

How can we get to eight-ninths using arrows?
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Prealgebra Algebra 1

12/06/22

Linear Functions
Iris’s checking account pays simple interest at 3% per year. She has $185 inher account. Write a linear function to model the amount of money in herchecking account at any time t.
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Prealgebra Algebra 1

12/06/22

Linear Functions
For a basic subscription, a cable television provider charges an activation feeof $60, plus $125 per month. What linear function represents the total cost of abasic cable subscription for t months?... more
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Prealgebra

12/06/22

I need help on this pls help me
The Economy Repair Shop charges a $50 fee plus $30 an hour for labor. Jeff’s Repair Shop charges$35 an hour. Write an inequality that can be used to determine the number of hours of labor, h, that... more
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Prealgebra

12/06/22

I need help on this
Beau has the same number of baseball and football sports cards as Trenton has. Trenton stated that the number of baseball cards he has is 25 less than three times the number of his football cards,... more
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Prealgebra

12/05/22

I need help on this math problem

Oliver and Matthew have money saved up. Oliver’s savings can be represented with x. Mathew has 2.5 times as much as Oliver. Combined they have $164.50. How much money does Oliver have in his savings?
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Prealgebra

12/05/22

I need help for this math problem

At the local photography store, it costs $1.50 for the first print of a photograph and $0.50 for each additional print. Write an equation can be used to determine x, the number of maximum prints... more
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Prealgebra Math Algebra 1 Algebra 2

12/05/22

Given that f (x) = 2x + 1 and g(x) = 6 - x, find the following. If necessary, use a 0 in the denominator!
Given that f (x) = 2x + 1 and g(x) = 6 - x, find the following. If necessary, use a 0 in the denominator!a. ( f + g) (2) = ____________b. ( f - g) (-5) = ___________c. ( g - f) (4) =... more
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12/05/22

At the local bunny-hop, Mr. Meyering jumps 20 inches on his first jump and then 10 inches with his second jump. If the distances form a geometric sequence,
At the local bunny-hop, Mr. Meyering jumps 20 inches on his first jump and then 10 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

12/04/22

Mathmateics and algebra
A rectangle has an area of 104 inches. Its width is five inches less than its length. What are the dimensions of the rectangle?
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Prealgebra Math Algebra 1 Algebra 2

12/02/22

Consider the function... If inflation is highest at 4.8% and lowest at 1.3%, what is c?
Inflation rises and falls in a cyclical manner. Consider the model  where f(x) represents the change in inflation over time, given by x. If inflation is highest at 4.8% and lowest at 1.3%, what is... more
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Prealgebra Math Test Preparation

12/02/22

what is the property of -2y = 18? After solving?
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Prealgebra Math Algebra 1 Algebra 2

12/02/22

Stephanie invests in an account with a fixed annual interest rate of 5.58% (compounded every 4 months). After 5 years, the account reaches USD 6,076.62.
What was the amount of the initial investment?
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Prealgebra Math Algebra 1 Algebra 2

12/02/22

Louis has USD 7,933 invested in an account with a fixed interest rate of 5.76% per annum compounded every 2 months.

How much money will be there after 13 years?
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Prealgebra Math Algebra 1 Algebra 2

12/02/22

Antonio invests USD 3,272 in a fixed annual interest account, compounded every 4 months; after 10 years, the account has reached USD 6,917.01.

What is the interest rate on this account?
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Prealgebra Math Algebra 1 Algebra 2

12/02/22

Kyla invests USD 2,397 in a fixed annual interest account, compounded every 2 months; after 5 years, the account has reached USD 2,689.88.

What is the interest rate on this account?
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Prealgebra Math Algebra 1 Algebra 2

12/02/22

Josephina has invested USD 3,476 in an account. It is invested at a fixed interest rate of 6.51% per annum. The interest is compounded every 4 months.
How long will it take to reach USD 10,388.98?
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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

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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Expert Answers •1
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
Follows • 1
Expert Answers •1

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