Shreya can weed a garden in 19.3 minutes. One day her friend Elisa helped her and it only took...
Shreya can weed a garden in 19.3 minutes. One day her friend Elisa helped her and it only took 7.44 minutes. Find how long it would take Elisa to do it alone. We solve a Work Word Problem this free online math video lesson on Work Word Problems. This video uses algebra to create equations from a real world work word problem example and shows you how to solve this problem. Solve each question and round your answer to the nearest hundredth. #workwordproblems #wordproblems #minutemath
Find the value of c in x^2-x+c that completes the square. We learn how to find the value of c in x^2-x+c that completes the square. We learn how to complete the square. This is a great introduction into quadratic equations where we learn how to complete the square to solve a quadratic equation. This is under the topic of Completing the Square with this free online math video lesson. #findthevalueofc #completethesquare #completingthesquare #onlinemathlessons #minutemath
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https://www.youtube.com/watch?v=-hvldm2i8uE
Solve -4x-5y-z=18, -2x-5y-2z=12, -2x+5y+2z=4 by elimination. We learn how to solve -4x-5y-z=18, -2x-5y-2z=12, -2x+5y+2z=4 by elimination which is on the topic of Solving Systems of Three Equations w/ Elimination with this free online math video lesson. This video uses the elimination method to solve a system of three equations. We show you step by step how to solve each system by elimination of three equations. #systemsofthreeequations #elimination #minutemath
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https://www.youtube.com/watch?v=4Evt5y3xIFM
Rational Expressions. We learn how to simplify (x^2+x-6)/(x^2+8x+15). We learn how to state the excluded values for the rational expression (x^2+x-6)/(x^2+8x+15). This is a great introduction into rational expressions and how to simplify rational expressions. This is under the topic of Rational Expressions with this free online math video lesson. #rationalexpressions #statetheexcludedvalues #simplify #onlinemathlessons #minutemath #algebra2
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https://www.youtube.com/watch?v=axE-i2rECi0
Simplify ((10x^2-28x+16)/(2x-4))/((25x^2-25x+4)/(5x^2-41x+8)). Simplify the expression. In this free online math video lesson on Dividing Rational Expressions we simplify each expression. We learn how to simplify ((10x^2-28x+16)/(2x-4))/((25x^2-25x+4)/(5x^2-41x+8)). #simplify #rationalexpressions #minutemath
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https://www.youtube.com/watch?v=bS3ji_XUQRQ
How to find the discriminant of -4m^2-4m+5=0. We learn how to find the discriminant of -4m^2-4m+5=0. We learn how to find the value of the discriminant of each quadratic equation. This is a great introduction into understanding the discriminant and how to find the discriminant and how many solutions to the equation there will be. This is under the topic of Understanding the Discriminant with this free online math video lesson. #discriminant #thediscriminant #findthediscriminant #onlinemathlessons #minutemath #algebra2
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https://www.youtube.com/watch?v=a0Zo-PhCNMc
In this video we cover how solve compound inequalities with "or". We solve each inequality, graph its solution and write the solution in interval notation. The steps to solve compounding inequalities with "or" are...
1. Solve each inequality.
2. Graph each solution. Then graph the numbers that make either inequality true.
3. Write the solution in interval notation.
#inequalities #compoundinequalities #solveinequalities #graphinequalities #minutemath #algebrahelp #algebra #algebra2 #mathhelp #onlinemathvideos #lightboard #math #mathvideos #oer #openstax
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CC Licensed Content, Original
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CC Licensed Content, Shared Previously
Marecek, L., & Mathis, A. H. (2020). Solve Compound Inequalities. In Intermediate Algebra 2e. OpenStax. https://openstax.org/books/intermediate-algebra-2e/pages/2-6-solve-compound-inequalities. License: CC BY 4.0. Access for free at https://openstax.org/books/intermediate-algebra-2e/pages/2-introduction
...
https://www.youtube.com/watch?v=_VgiA3vc9L4
In this math video lesson on Square Roots, I find the negative square root of (25/196). #squareroots #prealgebra #minutemath
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https://www.youtube.com/watch?v=93TCI9mTnq4
Simplify 5i/(-2-6i) by rationalizing the imaginary denominator. We learn how to simplify 5i/(-2-6i). We learn how to simplify an imaginary expression by using properties that we know about imaginary numbers. we rationalize imaginary denominators by finding the complex conjugate. This is a great introduction into finding the complex conjugate and simplify an imaginary expression using the complex conjugate. This is under the topic of Rationalizing Imaginary Denominators with this free online math video lesson. #imaginarynumbers #complexconjugate #minutemath
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https://www.youtube.com/watch?v=NsU2dyP6lBY
In this video we learn how to evaluate variable expressions with integers. We show how to evaluate (x+y)^2 when x=-18 and y=2.
#variableexpressions #integers #minutemath #algebrahelp #algebra #prealgebra #beginningalgebra #mathhelp #onlinemathvideos #lightboard #math #mathvideos #oer #openeducation #freemathvideos
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CC Licensed Content, Original
Revision and Adaptation. Provided by: Minute Math. License: CC BY 4.0
CC Licensed Content, Shared Previously
Marecek, L., Anthony-Smith, M., & Mathis, A. H. (2020). Use the Language of Algebra. In Prealgebra 2e. OpenStax. https://openstax.org/books/prealgebra-2e/pages/3-2-add-integers. License: CC BY 4.0. Access for free at https://openstax.org/books/prealgebra-2e/pages/1-introduction
...
https://www.youtube.com/watch?v=OY4jw-Ehgfk