# 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 330807: Approximate the irrational number with a rational number to two decimal places. √20 Click here to see answer by Fombitz(13828)

 Question 330809: What size is the television screen shown in the illustration? Find d if a = 12 and b = 16. Click here to see answer by Fombitz(13828)

 Question 331100: Simplify the expression, Identify the constants, coefficients,variables of simplfied expression. (9m^2n - 8mn + 4mn^2) - (7m^2n + 6mn - 7mn^2) I do not understand this could someone please help me? Click here to see answer by josmiceli(9661)

 Question 331074: -1/2[ 12 + ( 12 - 1)) ] Click here to see answer by Tutorteddy.Com(12)

 Question 331105: Could you please show me how to solve this problem: -3/5[2/3-1/2(3/4-1/2)] Click here to see answer by aseem(9)

 Question 331177: hELP ME SOLVE x squared - y squared / z-x where x=-3, y=5, and z=-1 Click here to see answer by ankor@dixie-net.com(15638)

 Question 331327: solve the formula for the indicated letter x = w+y+z -------- for y 5 I am confused on how to do this problem. Please help Click here to see answer by vleith(2825)

 Question 331317: please could someone help me with this question. evaluate 2x^2 - 4x ____________ x^3 - 7 x= -2 Click here to see answer by checkley77(12569)

 Question 331567: x= -3, y=5, z=1 Click here to see answer by Alan3354(30983)

 Question 331588: The algebraic steps below describe a number trick. Describe it in words. 1. x 2. x + 7 3. 2(x+7) = 2x + 14 4. 2x +14 - 4 = 2x + 10 = 2(x +5) 5. 2(x+5)/2 = x + 5 6. x +5 - x = 5 Click here to see answer by solver91311(16868)

 Question 331791: Evaluate (2/3)^-2 Click here to see answer by checkley77(12569)

 Question 331909: can you please explain this? 58-2 [30-(7+5)] Click here to see answer by mananth(12270)

 Question 332304: How do you write an algebra expression? Example: The number of days in 4 weeks Click here to see answer by solver91311(16868)

 Question 332458: tia wrote 20+7x to find how much she earned for on pet sitting job and 15x for another job. explain the difference between the expressions Click here to see answer by mananth(12270)

 Question 332504: If 4 less than 3 times a certain number is 2 more than the number, what is the number? Click here to see answer by AAfter.Com(18)

 Question 332638: [(-2x to 5th power y to the 2nd power) 2nd power] 3rd power Click here to see answer by benazir.sj@gmail.com(109)

 Question 332747: (x-y)+(2x-3y)=3x-4y please show steps Click here to see answer by AAfter Search(61)

 Question 332873: multiply I am not sure how to go about doing this problem, what is it that I would multiply? thanks for your help Click here to see answer by solver91311(16868)

 Question 332893: Divide divide I do not know what i need to do coud someone please help me thank you in advance Click here to see answer by solver91311(16868)

 Question 332895: solve by factoring and using the principle of zero products Click here to see answer by solver91311(16868)

 Question 332894: Factor completely. if the polynomial is prime, state this Click here to see answer by nerdybill(6951)

 Question 332912: factor completely.if polynomial is prime state it. Click here to see answer by solver91311(16868)

 Question 333014: Find three ordered pairs that satisfy the equation. y = -3x + 5 Click here to see answer by vleith(2825)

 Question 333013: Find three ordered pairs that satisfy the equation. y = 2x - 1 Click here to see answer by AAfter.Com(18)

 Question 333012: Find three ordered pairs that satisfy the equation. y = x + 7 Click here to see answer by AAfter.Com(18)

 Question 333010: The first step in solving x + 10 = 4 is to subtract 4 from both sides. Click here to see answer by Alan3354(30983)

 Question 333047: (2c + 3d)(7c - 2d) How is this solved? I am a returning college student x20 years since I last went to college and I have forgot everything to do with math. I know this is probably so simple - I just need to remember the steps. could you refresh me on this one? Click here to see answer by nerdybill(6951)

 Question 333036: 10t^3+10 FIRST YOU WOULD FIND OUT WHAT THESE TWO NUMBERS HAVE IN COMMON THEY BOTH HAVE 10 IN COMMON SO THE ANSWER WOULD BE 10(T^3+1) YOU CAN CHECK YOUR ANSWER BY USING THE DISTRIBUTIVE PROPERTY 10*T^3=10T^3 10*1=10 10T^3+10 Click here to see answer by apachemexican1(64)
 Question 333036: 10t^3+10 FIRST YOU WOULD FIND OUT WHAT THESE TWO NUMBERS HAVE IN COMMON THEY BOTH HAVE 10 IN COMMON SO THE ANSWER WOULD BE 10(T^3+1) YOU CAN CHECK YOUR ANSWER BY USING THE DISTRIBUTIVE PROPERTY 10*T^3=10T^3 10*1=10 10T^3+10 Click here to see answer by Alan3354(30983)

 Question 333203: I really need help with this please. I am returning to school after many years and I don't know where to start with this problem. If you could please show me how to do this type of problem it would be a big help. Thank you. Simplify: 4a-{6b-2[2a-(3-b)]} I know the basic PEMDAS rules but the brackets and 3-b are confusing me. Click here to see answer by rfer(12647)
 Question 333203: I really need help with this please. I am returning to school after many years and I don't know where to start with this problem. If you could please show me how to do this type of problem it would be a big help. Thank you. Simplify: 4a-{6b-2[2a-(3-b)]} I know the basic PEMDAS rules but the brackets and 3-b are confusing me. Click here to see answer by stanbon(57246)

 Question 333205: r(s), for r = 109 and s = 33 Click here to see answer by checkley77(12569)

 Question 333246: 17) Half the sum of m and 5 Click here to see answer by solver91311(16868)

 Question 333845: Find the value of 2^-3-2^0 Click here to see answer by jim_thompson5910(28504)

 Question 333841: Solve: 3> 4+u/-5 Click here to see answer by rfer(12647)

 Question 333843: Simplify completely: x^2+5x+4/x+1 Click here to see answer by jim_thompson5910(28504)

 Question 333933: 2*3^3+4 insert grouping symbols in the expression to produce the indicated value (62,220,4374) we have found two of the three 2(3^3+4) = 62 (2*3)^3+4 = 220 we need to find out the equation for answer = 4374 Click here to see answer by scott8148(6628)

 Question 334327: The question is, "insert grouping symbols to make each statement true". the problem is 12-2(squqared)(divided by 5=20 Click here to see answer by rfer(12647)

 Question 334367: if you had 2[4(9-7)+1] what would be the answer Click here to see answer by tinbar(128)

 Question 334434: -1/3[-9+10(3)] I do not know the value of this expression? Click here to see answer by stanbon(57246)
 Question 334434: -1/3[-9+10(3)] I do not know the value of this expression? Click here to see answer by mananth(12270)

 Question 334439: Change the given forms into the missing form: Fraction Decimal Percent 3/4 0.75 ? % Click here to see answer by jim_thompson5910(28504)

 Question 334608: twice the sum of k and 4 Click here to see answer by nyc_function(2733)

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