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​Answered Questions

Write an algebraic expression

11/30/2020

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How do you write “The sum of twice a number and 7” as an algebraic expression?

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Change kilometers per hour to meters per minute

11/24/2020

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A car is traveling 75 kilometers per hour. How many meters does the car travel in one minute?

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Evaluate the Function

11/23/2020

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Find f( - 4 ) if f(x) = - 2x + 3.

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Fun with fractions

11/23/2020

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If 1 is added to the numerator and denominator of a fraction, the fraction becomes 3/4. If 3 is added to the numerator and to the denominator the fraction becomes 4/5. Find the fraction.

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Create a Function

11/20/2020

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A linear function is given:
a(x) = 26 - 12.4x
​

The function b is also linear. The equation a(x) = b(x) has exactly one solution at x = 5.
Create a possible equation for function b.

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Fourth root equation

11/20/2020

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What is the value of a in the equation 81b = (a^4)(b)  ?

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Perimeter of a rectangle

11/20/2020

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The perimeter of a rectangle is 60 cm.  Its length is 12 cm what is its width?

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Input and Output

11/17/2020

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Which statement best describes the function notation f(2) = 10?
A. The output is 10 when the input is 2
B. The output is 2 when the input is 10
C. The output is f(10) when the input is 2
​D. The output is f(x) when the input is 2

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Dimensions of pool deck

11/15/2020

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A rectangular pool measures 5 yd by 6 yd. A concrete deck of uniform width is constructed around the pool. The deck and pool together cover an area of 72 yds². How wide is the deck?

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Simplify the expression

11/13/2020

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Simplify the expression: 3x² - y - 6y² + 12y

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Algebra House
  • Ask a Question
    • Answered Questions
  • Examples
  • State Test Practice
    • Algebra 1 State Test Practice
    • Geometry State Test Practice
  • ACT and SAT
  • Calculators
    • Problem Solver
    • Graphing Calculator
    • 3D Graphing Calculator
  • Contact
    • Contact Algebra House
    • Leave a Tip