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

Algebra ->  Expressions -> Questions on Algebra: Evaluation of expressions, parentheses answered by real tutors!      Log On


   



Tutors Answer Your Questions about expressions (FREE)


Question 358306: how do i write two different expressions to find the total cost of horsebackriding.
Suppose you pay $15 per hour to go horseback riding. You ride 2 more hours today and plan to ride 4 more hours this weekend.


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

Question 358347: u+4=4u-8

Click here to see answer by unlockmath(1688) About Me 

Question 358394: 3x+[2x-4y(6-4x]+2y-(-3-x+3y)
Click here to see answer by mananth(16946) About Me 

Question 358604: I have a word problem to translate into an algebraic expression and I would like help. The word problem states that by the end of the 2001 season, Michael Jordan had averaged 31.5 points per game over the course of his career of 930 games. Write an expression showing how many points (p) in total he had scored to average 31.5 per game. Thank you.
Click here to see answer by ewatrrr(24785) About Me 

Question 359204: 4x2 + 3y + 5xy + 10. cut by 3/4

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

Question 359454: 3+y for y=7
Click here to see answer by user_dude2008(1862) About Me 

Question 359673: 1/x^2-1/y^2/1/y^3-1/xy^2 simplify this complex rational expressions
Click here to see answer by Fombitz(32388) About Me 

Question 359687: u+5/8v^2u^2-u-6v/8v^2u^2
Click here to see answer by Fombitz(32388) About Me 

Question 359947: Please help me solve this.. I am goin over my daughters homework,and I am completely stumped.
[(-3 x -8)+(4 x -6)](5 x -8)
The x represents "times/multiply"

Click here to see answer by rfer(16322) About Me 
Question 359947: Please help me solve this.. I am goin over my daughters homework,and I am completely stumped.
[(-3 x -8)+(4 x -6)](5 x -8)
The x represents "times/multiply"

Click here to see answer by scott8148(6628) About Me 

Question 359920: how to solve for 2+ (a/-4)= 3/5 please show steps
Click here to see answer by rfer(16322) About Me 

Question 360240: Hello,
I am trying to solve this problem, I am doing radicals and rational exponents and I am having problems solving to questions that needs to be done by tomorrow morning could someone please help with these two problems? First problem is 25^-3/2 and the second problem is (-27x^9)^1/3.
Thanks very much for your help!

Click here to see answer by edjones(8007) About Me 

Question 360481: Having trouble with knowing where to start solving this problem
4[5-/3-(2*5)/]

Click here to see answer by rfer(16322) About Me 

Question 361083: 15 - 2 x 5 + 8
Was this problem solved correctly?

15 - 10 + 8
15 - 18
-3
First multiplied 2 x 5
Then I added -10 + 8
Then I subtracted 15 - 18
the answer I got is -3

Click here to see answer by rfer(16322) About Me 

Question 361509: 6-4d=16-9d
Click here to see answer by rfer(16322) About Me 

Question 361867: Find the quotient and the remainder of expression
(3x3+x-2)/(x+1)

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

Question 362169: What are the steps do to a problem such as:
(23^3)^7 (7^2)

Click here to see answer by HasanSahin(52) About Me 

Question 362224: The problem in the book is 16 + T < 42 and the object is to figure out the value of T...however, I am not coming up with an answer less than 42. Please help :)
Click here to see answer by edjones(8007) About Me 

Question 362747: How do you simplify the expression:
1 over 2

Click here to see answer by Manny Pacquiao(82) About Me 

Question 362838: what is the number of gallons in 21 quarts?
Click here to see answer by Manny Pacquiao(82) About Me 

Question 363579: Factor completely if possible.
p(p – m) – 7(m – p)

Click here to see answer by stanbon(75887) About Me 
Question 363579: Factor completely if possible.
p(p – m) – 7(m – p)

Click here to see answer by ewatrrr(24785) About Me 

Question 363620: Divide:
(15x^3+22x^2+25x)/(5x-1)

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

Question 364668: what is y-3=-8, what value y??
Click here to see answer by ewatrrr(24785) About Me 

Question 365093: I am in college Prealgebra and Introductory Algebra. This Greek to me and I seriously need some help. I am not understanding very well. I can figure out most of my homework, but on test I freeze and fail them. The question I have is how do you work a problem like -4x = 20-(-4) ?
Click here to see answer by irla(2) About Me 
Question 365093: I am in college Prealgebra and Introductory Algebra. This Greek to me and I seriously need some help. I am not understanding very well. I can figure out most of my homework, but on test I freeze and fail them. The question I have is how do you work a problem like -4x = 20-(-4) ?
Click here to see answer by ewatrrr(24785) About Me 

Question 361396: How do I simplify the expression -3(4y)?
Click here to see answer by irla(2) About Me 

Question 365294: I have to write the verbal phrase as an algebraic expression. Let n represent the number.
What is 4 fewer than the cube of a number?

Click here to see answer by Alan3354(69443) About Me 

Question 365589: (11/5-1 2/3)-(-4/9 18)Evaluate?

X-1/40=11/40 Solve ?

-7/3y=5 Solve?
Subtract 4 1/8 from difference of 4 5/8 and 3 1/4 ?

Click here to see answer by rfer(16322) About Me 
Question 365589: (11/5-1 2/3)-(-4/9 18)Evaluate?

X-1/40=11/40 Solve ?

-7/3y=5 Solve?
Subtract 4 1/8 from difference of 4 5/8 and 3 1/4 ?

Click here to see answer by ewatrrr(24785) About Me 

Question 365701: its say to evaluate each expression
bc^3-ad for a=-2

Click here to see answer by jim_thompson5910(35256) About Me 

Question 365710: x^4+3x^3-x^2+6 for x=-3
Click here to see answer by jim_thompson5910(35256) About Me 

Question 365706: it says to evaluate each expression
bc^3-ad for a=-2,b=3,c=-4,and d=4

Click here to see answer by jim_thompson5910(35256) About Me 

Question 365720: it says evaluate each expression
a^2b for a=-2,b=3

Click here to see answer by jim_thompson5910(35256) About Me 

Question 365859: Evaluate the following limits or show they do not exist:
a) lim x→0 +%28sin%28x%29%29%5E2%2F%28x%281-cos%28x%29%29%29++
b) lim x→0 ++%28sin%28ax%29%29%2F%28sin%28bx%29%29+ where a,b are nonzero real numbers
c) lim x→1 +%28x%5E3-1%29%2Fabs%28x%5E3-1%29+
d) lim x→2 +%281-2%2Fx%29%2F%281-4%2Fx%5E2%29+

Click here to see answer by robertb(5830) About Me 

Question 366165: OK. I need help on solving 2 step equations.
My problem is: -15x=-5(3x=7) I know your first step is adding or subtracting the constant but there isnt one! Please help me!

Thank you!

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

Question 366195: 8x - 9x +2(-3x - 4) if x= -8
Click here to see answer by ichudov(507) About Me 

Question 366239: 30=5(r/5-3)
Click here to see answer by Fombitz(32388) About Me 

Question 367327: solve by elimination method
5r=9s=-26
9r+5s=38

Click here to see answer by Alan3354(69443) About Me 

Question 367643: Hi,
I can't seem to find the number of fencing needed to the question below. Help please?

Find how many feet of fencing it will take to surround a yard measuring 12 feet by 15 feet?

Thank You!!

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

Question 368096: Write a verbal expression for each algebraic expression.
81+2x

Click here to see answer by robertb(5830) About Me 
Question 368096: Write a verbal expression for each algebraic expression.
81+2x

Click here to see answer by nyc_function(2741) About Me 

Question 368253: Here is the question:
16(3x+2)^3+12(3x+2)^2-88(3x+2)
Answer: 12x(3x+2)(12x+19)
I cannot figure out how to get the 19!

Click here to see answer by jim_thompson5910(35256) About Me 

Question 368593: (3x3)3 is equivalent to:
9x9
you do distrubute properties.
3(3x3)=(3x3)x(3x3)
which is 9x9

Click here to see answer by emileyzing(4) About Me 

Question 368777: Evaluate the expression for 2m+n where m = -3 and n = -6
Click here to see answer by rfer(16322) 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