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

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Question 327233: Please write an algebraic expression fir the sum of b and 11 Thank you
Click here to see answer by stanbon(75887) About Me 
Question 327233: Please write an algebraic expression fir the sum of b and 11 Thank you
Click here to see answer by Alan3354(69443) About Me 

Question 327426: Need help, please. Choose the expression or equation that is equivalent to the one given.
e^3x=6 (3x is together)


Click here to see answer by Fombitz(32388) About Me 

Question 327437: Please help me solve this: 50/5x10-6x2+8
Click here to see answer by Fombitz(32388) About Me 

Question 328306: Simplify the following algebraic expression
(8x^3 y^2 z^2) * 3x ^2 / y^3 z^4

Click here to see answer by mananth(16946) About Me 

Question 328311: Simplify the following algebraic expression.
1. 200^0 / 400
2. (u^8 z^7)/ z ^-3 u^-2
3. - ( 3 a ^ 6 b ^ 4 ) ^ 3
4. (6a^ 2/7b^3)-^2


Click here to see answer by Fombitz(32388) About Me 

Question 328314: Simplify the following algebraic expression. Please show all necessary work.
1. 200^0 / 400
2. (u^8 z^7)/ z ^-3 u^-2
3. - ( 3 a ^ 6 b ^ 4 ) ^ 3
4. (6a^ 2/7b^3)-^2


Click here to see answer by Fombitz(32388) About Me 

Question 328589: how can i simplify :
(-3x^2 + 4x - 7 ) + (2x^2 - 7x + 8)?

Click here to see answer by solver91311(24713) About Me 

Question 328714: What is the LCD of fractions with the denominators 6, 4, and 5?
Click here to see answer by Edwin McCravy(20060) About Me 
Question 328714: What is the LCD of fractions with the denominators 6, 4, and 5?
Click here to see answer by rapaljer(4671) About Me 

Question 328711: Convert the fraction to a decimal.
3/20

Click here to see answer by mananth(16946) About Me 

Question 328710: Change the mixed number to an improper fraction.
5 3/5

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Question 328709: Change this improper fraction to a mixed number.
157/10

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Question 328708: Translate the word statement to a numerical statement.
Seven times the difference of 6 and 2

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Question 328612: I do not understand how to multiply this expression,(16x-4)/(x^2+2x )*(6x^2+13x+2)/(16x^2-1). thank you in advance
Click here to see answer by Fombitz(32388) About Me 

Question 329076: 2b+3
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Question 329204: If Jack is three times as old as his sister Judy, which of the following expressions represents Jack’s age if Judy is j years old?
(A) 3j > j (B) 3j (C) j + 3 (D) 3 - j (E) 1/3j

Click here to see answer by stanbon(75887) About Me 

Question 329226: Please simplify this expression:
5y4(y5)2

15y7(y2)3

Click here to see answer by stanbon(75887) About Me 

Question 329172: evaluate: -7x-x^2 x=-5
Click here to see answer by nyc_function(2741) About Me 

Question 330071: simplify the expression,and identify the varibles, coefficients, and any constant terms in the simplified expression.
7x^2y - 6 - 4xy^2 + 9x^2y - 9
I am really confused if someone could please help me.
Thanks

Click here to see answer by mananth(16946) About Me 

Question 330068: simplify the expression, and identify the varibles, coefficents,and any constant terms in the simplified expression.
n^3 + 9n^4 - 10n^2 - n^4 - 8n^3

I do not understad this problem if someone could help me please. It is really confusing me.
Thanks

Click here to see answer by mananth(16946) About Me 

Question 330106: What is the difference in elevation between the top of a mountain 8,867 ft above sea level and a point in a valley 248 ft below sea level?
Click here to see answer by Fombitz(32388) About Me 

Question 330108: Let x = -5, y = 6, and z = -2
Evaluate the expression to find E
E = x2 + y2

Click here to see answer by privani(34) About Me 

Question 330102: Translate the phrase to an algebraic expression. If no variable is given, use x as the variable.
P increased by p

Click here to see answer by Fombitz(32388) About Me 

Question 330104: Simplify the expression.
|-14|

Click here to see answer by Fombitz(32388) About Me 

Question 330107: Let x = -3, y = 7 and z = -1
Evaluate the expression to find D
D = xyz

Click here to see answer by Fombitz(32388) About Me 

Question 330187: Can you please help me with this [-4 + (-7 + 4)] + (-6 + 9)
Click here to see answer by hanah(4) About Me 

Question 330214: I have tried to figure these problems out can someone please help me Thanks.
(5a^3 - 4a^2) + (4a^3 + 9a^2)

Click here to see answer by Fombitz(32388) About Me 

Question 330265: Please help me solve
-(-9 + 3y) =

Click here to see answer by stanbon(75887) About Me 

Question 330267: How do you solve this problem. This is hard can someone please help me
3/4 x 5 + 7x^3-6-3x^3-1/2 x 5

Click here to see answer by Fombitz(32388) About Me 

Question 330339: solve for x: -2 (x - b) - (5a - x) = a + b
Click here to see answer by rfer(16322) About Me 

Question 330444: Solve the system by the elimination method
5x+2y=-7
7x-3y=13
What is the solution of the system?
(___,____) (Type the order pair. Use integers or fractions for any numbers in the expression)

Click here to see answer by mananth(16946) About Me 

Question 330550: aura took three biology exam and has an average score of 88. her second exam was ten points better than her first, and her third exam was four points better than her second exam. what were her three exam scores ?
Click here to see answer by solver91311(24713) About Me 

Question 330679: x/9+x/15
Click here to see answer by Fombitz(32388) About Me 

Question 330806: Need help to solve this problem (-5)^2=25 and show the steps
Click here to see answer by Fombitz(32388) About Me 

Question 330808: A 17-foot ladder reaches a window 15 feet above the ground. How far from the wall is the base of the ladder?
Click here to see answer by rfer(16322) About Me 

Question 330807: Approximate the irrational number with a rational number to two decimal places.
√20

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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(32388) About Me 

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(19441) About Me 

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

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) About Me 

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(22740) About Me 

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(2983) About Me 

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(12844) About Me 

Question 331567: x= -3, y=5, z=1
Click here to see answer by Alan3354(69443) About Me 

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840