# Questions on Algebra: Evaluation of expressions, parentheses answered by real tutors!

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 Algebra: Evaluation of expressions, parentheses Solvers Lessons Answers archive Quiz In Depth

 Question 131310: If y=3 then y3(y3-y)y=? A.999 B.459 C.1099 D.648 Click here to see answer by CARTER MASON(2)

 Question 276156: I need help solving this! How long will it take a sample radioactive substance to decay to half of its original amount, if it decays according to the function A(t)=450e^-0.157t, where t is the time years? Round to the nearest hundreth year. Click here to see answer by scott8148(6628)

 Question 277872: What does a negative sign on the outside of parentheses of a division/ fraction problem want you do do? Click here to see answer by richwmiller(9135)

 Question 278363: Write the point-slope form of the equation of the line described. through: (4,2), parallel to y= -3/4x-5 Click here to see answer by JBarnum(2044)

 Question 278362: Write the standard form of the equation of the line through the given point with the given slope through: (1,2), slope = 7 Click here to see answer by JBarnum(2044)

 Question 278360: Write the slope-intercept form of the equation 3x-2y=-16 Click here to see answer by jim_thompson5910(28595)
 Question 278360: Write the slope-intercept form of the equation 3x-2y=-16 Click here to see answer by Grinnell(63)
 Question 278360: Write the slope-intercept form of the equation 3x-2y=-16 Click here to see answer by JBarnum(2044)

 Question 278883: Write an expression to represent this pattern. let n represent the nth term. 7, 9, 11, 13 There has to be an easy way to figure this out! Click here to see answer by scott8148(6628)

 Question 279786: Gym lockers are to be numbered from 1 to 99 using metal numbers to be placed on each locker. How many 7's are needed? Click here to see answer by Fombitz(13828)

 Question 279994: translate into an algebraic expression three times some number plus one the translation is __________ type an expression using x as the variable Click here to see answer by nabla(475)

 Question 280967: Integer Exponents (5wto the 2nd power y to the 2nd power)-2power(4wy to the 3rd power)2nd power (5w2y2)-2(4wy-3)2 Click here to see answer by stanbon(57347)

 Question 280909: Simplify the following expression: -(5w - z) -2 (-3z + 4w) Click here to see answer by checkley77(12569)

 Question 282217: is 5a- 3b+ 9c an expression or equation Click here to see answer by Mathematicians(84)

 Question 282209: is 5a- 3b+ 9c an expression or equation Click here to see answer by jim_thompson5910(28595)
 Question 282209: is 5a- 3b+ 9c an expression or equation Click here to see answer by oberobic(2304)

 Question 282475: how do you work this problem? (-20x^4-5x+10)divided by 5x Click here to see answer by dabanfield(803)