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

Tutors Answer Your Questions about expressions (FREE)

Question 627980: Write the slope-intercept equation for the line with slope 4/5 and y-intercept (0, -1) and graph the line. Submit your graph to the Dropbox. Please show all of your work.
Click here to see answer by mananth(16946)

Question 628232: real numbers -3+(-3 1/4)-(-3 3/8)= EVALUATING EXPRESSIONS 3(1/5)+4(4+5)=
Click here to see answer by Alan3354(69443)

Question 628385: simplify
12-1/9 / 4/3+(1/2)^2
Click here to see answer by jim_thompson5910(35256)

Question 628388: Simplify xy-y^2-(3xy+2y^2+y)

Click here to see answer by jim_thompson5910(35256)

Question 628437: simplify, please show all of your work.
6b^2-4b+3b^4-(7b^3+b^4-4b)

Click here to see answer by physchemath(1)

Question 629783: value of expression of 5n when n is 2 and when n is 4?
Click here to see answer by solver91311(24713)

Question 629795: the average of four numbers is 40. the third is 12 more than the second. the second is five times the first. the fourth is 8 less than the first. find the numbers.
Click here to see answer by Charles3475(23)

Question 629801: The six departments of a company, consisting of 22, 32, 18, 16, 10, and 12 employees have an equal monthly salary of $7,200,$7,600,$6,900,$8,200,$7,800, and $7,200, respectively. What is the mean monthly salary of all the employees of the company?
Click here to see answer by solver91311(24713)

Question 629799: a sample of 15 supremarkets reported the following prices of sugar per kilo. $24, 24.50,25,24.50,23.50,24.25,24.50,24,22.75,23,23.50,23.75,24.25,24. Find the average price of sugar per kilo.
Click here to see answer by solver91311(24713)

Question 630032: n-9 n-35
--- - ------
36 108
Click here to see answer by stanbon(75887)

Question 630703: WHAT IS ANS. OF THE GIVEN NO. f(x)=2x-3 and g(x)=x^2+2x+4 evaluate f(1)-g(2)

Click here to see answer by sachi(548)

Question 630958: I have just begun and want to make sure I'm doing this right
I get a little confused with the plus and minus back and forth
-5(a + 3b) � 2(4a � 4b)
Click here to see answer by Alan3354(69443)

Question 632065: 62 individuals were surveyed.19 said they watched basketball only.27 said they watched both basketball and volleyball.How many watched volleyball only?
Click here to see answer by ewatrrr(24785)

Question 632078: Multiply:
(x-1)(x^3+x^2+x+1)
Multiply:
(x-1)(x^4+x^3+x^2+x+1)
Thanks so much for your help :) ALSO I PUT THE WRONG TOPIC AND COULD NOT CHANGE IT! SHOULD BE EXPONENTS NOT GRAPHS!! Sorry for the confusion!
Click here to see answer by ewatrrr(24785)

Question 632467: -77+2xy+3x+7(-2xy+4x)+(-2y)+100-(-4y)
Click here to see answer by jim_thompson5910(35256)

Question 632776: -4t^2+3t^3-4(2t^3-7t^2)
i am trying to break this down. i somewhat know where to start. mysticangel0367@yahoo.com

Click here to see answer by stanbon(75887)

Question 633121: x-2y=-4
Click here to see answer by Alan3354(69443)

Question 633105: Evaluate & show work.
(4x)/(10^2), for x=3
Click here to see answer by 55305(86)

Question 633470: What is the answer to x+5=7
Click here to see answer by wilft1(217)

Question 633594: Factor
35x^2-18x-8
Click here to see answer by ewatrrr(24785)

Question 633636: evaluate x+19 when x=9
Click here to see answer by MathLover1(20850)

Question 633636: evaluate x+19 when x=9
Click here to see answer by IFY(62)

Question 633841: Evaluate the expression please.
6.3+2

5+4.6
Click here to see answer by checkley79(3341)

Question 633874: -(-3y-y)-5(5u-4y)
Click here to see answer by stanbon(75887)

Question 633915: Solve for a using the addition and multiplication principles: 14-6a= -2a+3

Click here to see answer by jim_thompson5910(35256)

Question 634112: can you please help me with -(8d - 3w)
Click here to see answer by ewatrrr(24785)

Question 634374: Solve the equation Quantity 4 x plus 8 all over 2 = −10 for x. Please show your work and solution in the space provided.
Click here to see answer by checkley79(3341)

Question 635068: whats the answer to (3/5) 3 as an exponent
so 3 over 5 and 3 as an exponent also the 3&5 are in parenthesis

Click here to see answer by richwmiller(17219)

Question 635246: You are ordering T-shirts from a catalog. each T-shirt costs $15. The cost of shipping is $6 no matter how many your order. The total cost is $111. How many T-shirts did you order?
Click here to see answer by Tatiana_Stebko(1539)

Question 635253: What is 'The quotient of a number and three is nine'?
Click here to see answer by Alan3354(69443)

Question 635596: 21 + 3w + 18y
Click here to see answer by jim_thompson5910(35256)

Question 635785: simplify -2(3x)^2
Click here to see answer by MathLover1(20850)

Question 636187: A group of sailors is planning to share equally the cost of a $45,000 sailboat. When four sailors dropped out of the group, the cost per sailor increased by $3,000. How many sailors were in the original group =
Click here to see answer by stanbon(75887)

Question 636198: (36a/3) x (9/6a) =
I got= 18a^2
Click here to see answer by MathTherapy(10555)

Question 636375: translate 8 less than s to an algebraic expression
Click here to see answer by jim_thompson5910(35256)

Question 636195: 27a9bc4 / (-18a3b7c8)
which one is correct?
- 9a6 / 6b6c4
9a6 / 6b6c4
- 27a9bc4 / 18a3b7c8
- 6a6 / 9b6c4
Click here to see answer by KMST(5328)

Question 636609: The sum of two integers is sixteen. Five tiems the smaller integer is eight more than three times the larger integer. Find the larger integer.
Click here to see answer by lwsshak3(11628)

Question 636615: k + 4 + k^2 -5k + 8
------- ------ --------------- =
k + 1 1 - k k^2 -1
Click here to see answer by stanbon(75887)

Question 637098: 8(6-5)=

Click here to see answer by jim_thompson5910(35256)

Question 637096: Hi- how do you solve these two problems while using "FOIL"?
1.
(3X+2)(X+7)

2.
(X-5)(2X-6)
Click here to see answer by jim_thompson5910(35256)

Question 637186: -5a^2-2ab+4b^2-2(2a^2-3b^2=
Click here to see answer by jim_thompson5910(35256)

Question 637412: Hi,
Can the following be factorise'd further?
16abc + 24abc - 4ac
4a ( 4bc + 6b -c )
- Should I be factoring 4bc + 6b - c further ?

16ab - 16as - 24pt + 24ps
16a(b-s) - 24p(t-s)
- Should I be factoring this further ?

Click here to see answer by Edwin McCravy(20060)

Question 637435: what are the steps too 4/2+8*2^3-4
Click here to see answer by stanbon(75887)

Question 637435: what are the steps too 4/2+8*2^3-4
Click here to see answer by checkley79(3341)

Question 637434: what are the steps too 4/2+8*2^3-4
Click here to see answer by MathLover1(20850)

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