4,511 Answered Questions for the topic prealgebra
Which of the following equations are linear equations in two variables? (Select all that apply.)
Which of the following equations are linear equations in two variables? (Select all that apply.)x − 4y = 7y = −x2 + 2y = −5x + 3y2 = x − 6
Name any two points
5.Name any two points on a horizontal line that is 6 units above the x-axis. (Enter your answers as a comma-separated list of ordered pairs.)6.Name any two points on a vertical line that...
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Prealgebra Volume
04/22/20
A sphere and a right cylinder have the same radius and volume. The cylinder has a height of 8 feet. Find the radius.
I dont understand this.
Given the polynomial, identify the coefficients and degree of each term: 3x3−2−5x2+x4+3x
Given the polynomial, identify the coefficients and degree of each term:
3x3−2−5x2+x4+3x
First term: Degree=______ coefficient=______Second term: Degree=______...
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04/21/20
In a northern European country, the formula y=0.037x2−2.5x+62.52
the formula y=0.037x2−2.5x+62.52 models the number of deaths per year per thousand people, , for people who are years old, 40≤x≤60. Approximately how many people per thousand who are 53 years old...
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Prealgebra Algebra 1
04/21/20
PLEASE HELP ASAP
Given -x (4x^2 + x -11) = -4x^3 -x^2 -11x identify the factors of 4x^3 -x^2 -11x
Given -5a^3b(a^5b^2 -3ab) = -5a^8b^3 + 15a^4b^2 identify the factors of -5a^8b^3 + 15a^4b^2
Given (8r - 1)(12r +7)...
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population growth
The population P (in millions) of Georgia x years after 2000 can be modeled by P = 8e^0.023x. Solve this equation for xUse your equation to find x when P = 10. Interpret your answer.
Prealgebra Algebra 1
04/20/20
Length & Width Question
Mary has a rectangular painting with a border that she is going to frame. The length of her painting is 5 inches longer than it’s width and the border is 2 inches around all sides of the...
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Prealgebra
04/20/20
a book sold 32,600 copies in its first month of release. suppose this represents 8.1%of the number of copies sold to date.how many copies sold to date?
Prealgebra Pre Algebra
04/20/20
Jen is paddling thinking you for months. She is paddling at a rate of 35 yd./min. Which equation would you use to find, the number of yards in X minutes?
solve each system by graphing
solve each system by graphing1.) y=( -1/4x) - 4y = (5/4x) +22.) y= 2x+3y= -4x-3
solve each system by substitution
solve each system by substitutionquestion 1.x + 8y = -157x +8y =-9question 2-5x - 7y =11 x - 2y= -9
The amount of interest earned each year is $1,080. How much was invested in each account?
A university alumni association invested part of $16,000 in preferred stock that earns 8% annual simple interest, and the remainder in a municipal bond that earns 6% annual simple interest. The...
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Translate the sentence into an inequality.
A number n is at most -150
cholesterol level be reduced to satisfy the recommended maximum level?
a health official recommends maximum cholesterol level of 220 units. A patient has a cholesterol level of 273. By how many units must this patient;'s cholesterol level be reduced to satisfy the...
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Solve and graph the solution set.
Just need to fill characters18. x+4<4
Prealgebra
04/17/20
What is the value of x when 3x=54
How many pounds of cans must the organization collect on the fourth drive to receive the bonus?
A service organization will receive a bonus of $200 for collecting more than 1850 lb of aluminum cans during its four collection drives. On the first three drives, the organization...
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how far away is the ski area if they choose to take the shuttle service?
26. A shuttle service taking skiers to a ski area charges $9 per person each way. Four skiers are debating whether to take the shuttle bus or rent a car for $48 plus $0.25 per mile. Assuming that...
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Write the set in interval notation.
32.{x | −7 ≤ x ≤ 1}31.{x | x ≤ 4}30.{x | −10 < x ≤ 4}29.{x | x > 1}
Graph the set problems
41. {x | 0 ≤ x < 8}40. (−∞, 7]39. (−3, 0]38. {x | x ≥ −7}37. {x | x < 2}36. (−3, 5]
Prealgebra
04/17/20
Find the values of the ratios 9 to 14 of the perimeters and areas of the similar figures. Write the ratios as fractions in simplest form.
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