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 267922: (a-3b)squared
Click here to see answer by palanisamy(496) About Me 

Question 268027: choose some values of x and evaluate the expression for those values
1/(x-5)>10

Click here to see answer by CharlesG2(834) About Me 

Question 268433: can you tell me how to work the following problem? find the value of x: x+ 2 3/4= 3 7/8
Click here to see answer by Alan3354(69443) About Me 
Question 268433: can you tell me how to work the following problem? find the value of x: x+ 2 3/4= 3 7/8
Click here to see answer by drk(1908) About Me 

Question 268223: Which set of factors of the number 420 has the least possible sum?Which set of factors of the number 420 has the greatest possible sum?Be sure that the two sets of factors both have a product of 420?
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 268972: Can you explain how to get from (9((x+9)/7)-7) to ((9x+32)/7)? I keep coming up with (((9x+81)/7)-7). What step am I missing?
Click here to see answer by persian52(161) About Me 

Question 269016: what is sticanometry
Click here to see answer by persian52(161) About Me 

Question 269179: What is the evaluation of the following expression when q = 13?
q-10

Click here to see answer by shannon2189(1) About Me 

Question 269245: 9x - 8 = 64
Click here to see answer by cornball3440(16) About Me 

Question 269160: multiply -4*(-5)*(-4)*(-7)
Click here to see answer by persian52(161) About Me 
Question 269160: multiply -4*(-5)*(-4)*(-7)
Click here to see answer by JBarnum(2146) About Me 

Question 269181: You deposit $70 in a savings account that pays an annual interest rate
of 3%. How much simple interest would you earn in 2.5 years?

Click here to see answer by checkley77(12844) About Me 

Question 269180: What is the evaluation the following expression when x = 4.2.
34.5x

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

Question 269701: How would you solve this problem?
2(19-17)^3-3(-7+9)^2

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

Question 270214: Simplify
2(x^2 - 1) - 3(x + 5)
Please show me how to do this. Thank you.

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

Question 270873: what is 2u^2v^2/22u simplified?
Click here to see answer by JBarnum(2146) About Me 
Question 270873: what is 2u^2v^2/22u simplified?
Click here to see answer by checkley77(12844) About Me 

Question 270918: what is one way in parentheses to make 8?
Click here to see answer by JBarnum(2146) About Me 

Question 271010: a algebraic expression for five times a number using the letter x
Click here to see answer by rfer(16322) About Me 

Question 271008: a algebraic expression for a number increased by nine using the letter x
Click here to see answer by solver91311(24713) About Me 

Question 271009: a algebraic expression for the product of seven and a number using the letter x
Click here to see answer by oberobic(2304) About Me 

Question 271013: a algebraic expression for a number divided by fifteen using the letter x
Click here to see answer by oberobic(2304) About Me 

Question 271018: a algebraic expression for the quotient of a number divided by two using the letter x
Click here to see answer by rfer(16322) About Me 

Question 271015: a algebraic expression for a number plus one-half using the letter x
Click here to see answer by drk(1908) About Me 

Question 271345: How do I add -4/5 + (-3/4)?
Click here to see answer by LarissaRichardson(34) About Me 
Question 271345: How do I add -4/5 + (-3/4)?
Click here to see answer by solver91311(24713) About Me 

Question 272059: how do i simplify this expressionn 6x-5x+x-3+2x?
Click here to see answer by checkley77(12844) About Me 

Question 272285: 3q + 2q - q =
Click here to see answer by edjones(8007) About Me 

Question 272565: what does it mean to evaluate a problem such as 9 to negative power of 2
Click here to see answer by JenniferTutors(83) About Me 

Question 273173: A total of k passengers went on a bus trip. Each of the n buses that were used to transport the passengers could seat a maximum of x passengers. If one bus had 3 empty seats and the remaining buses were filled, which of the following expresses the relationship among n, x, and k?

(A) nx – 3 = k (B) nx + 3 = k (C) n + x + 3 = k (D) nk = x + 3 (E) nk = x – 3

Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 273808: 1. Simplify: -5-7a-(3a+2)
2.Evaluate: a.b
a. (a+1).b
b. -a.b
c. a.b
d. a.(b+1)
3.Identify the expression:
4(u+8v)
a. Square
b. Quotient
c. Sum
d. Product

Click here to see answer by JBarnum(2146) About Me 

Question 274325: I need help on try to figure out how to evaluate an expression 48 over 2x + 4
Click here to see answer by jim_thompson5910(35256) About Me 

Question 274339: I need help on try to figure out how to evaluate an expression 48 over 2x + 4

note:x=1 x=2 x=3 x=4

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

Question 274411: factor the expression 5z(z-6) + 4(z-6)
Click here to see answer by Earlsdon(6294) About Me 

Question 274433: 16d > -64
Click here to see answer by stanbon(75887) About Me 

Question 274554: in a field with 12 fruit trees, each tree produces 30 bushels of fruit.
if x additional tress are planted, the total number of bushels of fruit produced is represented by the expression (12+x)(30-2x).
which of the following simplifified expressions also represents the total number of bushels?
a) 360-2x^2
b)360+2x^2
C)360+6x-2x^2
d)360+54x+2x^2

Click here to see answer by jen1973(1) About Me 

Question 274703: Evaluate the factorial expression
(n+5)!/n+5

Click here to see answer by stanbon(75887) About Me 
Question 274703: Evaluate the factorial expression
(n+5)!/n+5

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

Question 275665: 16 increased by a number
Click here to see answer by JBarnum(2146) About Me 

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) About Me 

Question 275768: how do i solve y=0-8 ?

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

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) About Me 

Question 276523: Evaluate
2x-y if x=-3 and y=-5

Click here to see answer by checkley77(12844) About Me 

Question 276526: 5(2r+6)-30 if r=2
Click here to see answer by checkley77(12844) About Me 

Question 276545: 9x+10(6x-1) if x=8
Click here to see answer by nyc_function(2741) 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