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

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Question 917533: 2(5+3)=
Click here to see answer by rfer(16322) About Me 

Question 917540: Write an math expression for the following question.
Each week hector send 2 emails to his friend Chet. He also send emails to other friends each week. Write an expression to show how many emails hector sends each week.
Thank you

Click here to see answer by Hawksfan(61) About Me 

Question 918330: simplify the given expression 1/7(7x+21)-1/2(8x-6)
Click here to see answer by rfer(16322) About Me 

Question 920328: How do you solve y(2y-3y+6)
Click here to see answer by MathLover1(20850) About Me 

Question 920786: (5x^2 -20)/(10x^2 +10x-20)
Click here to see answer by Fombitz(32388) About Me 

Question 920988: -3x-y=10 how do we put in slope intercept form?
Click here to see answer by josgarithmetic(39623) About Me 

Question 921011: What is the multiplicative inverse of (1\3x+5) and 1\3?
Click here to see answer by MathLover1(20850) About Me 

Question 921003: What is the multiplicative inverse of (1\3x+5) and 1\3?
Click here to see answer by ewatrrr(24785) About Me 

Question 921338: The length of a field in yards is a function y of the length x in feet. How do you write a function rule for this situation.

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

Question 921365: to make 6 squared subtracted by 3 multiple by 8 + 2 =14 true , where would the parenthesis go ?

Click here to see answer by MathLover1(20850) About Me 

Question 921608: (a)x^4+3x^2+1 and (b)4-x^4 What is the degree of the sum of (a) and (b)?
Click here to see answer by MathLover1(20850) About Me 

Question 921607: (a)x^4+3x^2+1 What is the degree of (a)?
Click here to see answer by MathLover1(20850) About Me 

Question 921609: (a)x^4+3x^2+1 and (b)4-x^4
Multiply (a) and (b)

Click here to see answer by MathLover1(20850) About Me 

Question 922373: What is 8x5+{15+[8-(3+2)]}

Click here to see answer by MathLover1(20850) About Me 

Question 922412: Find this product. Enter your answer in scientific notation.
(5.6 X 10^-9) (2 X 10 ^-3)

Click here to see answer by ewatrrr(24785) About Me 
Question 922412: Find this product. Enter your answer in scientific notation.
(5.6 X 10^-9) (2 X 10 ^-3)

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

Question 923381: the sum of 1/5 of a number and 3 is equal to 1/2 of the other number. what is the number?
Click here to see answer by ewatrrr(24785) About Me 

Question 923673: (2.965x10^7)·(5x10^3)

Click here to see answer by MathLover1(20850) About Me 

Question 923973: Place parenthesis into the equation to make it true
143=13x5+6

Click here to see answer by MathLover1(20850) About Me 

Question 924288: Evaluation expressions
- 2/5) - ( - 4/3

Click here to see answer by MathLover1(20850) About Me 

Question 924884: (5x^4 +4x^3 -1) - (7x^2 -6x +6) = ?
Click here to see answer by ewatrrr(24785) About Me 

Question 924827: Please help! [6-(5-4(5-7)+2)]+6
Click here to see answer by ptaylor(2198) About Me 

Question 925000: Where do parentheses go on the equation
5×2+4+3=45

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

Question 925066: Tim needs to take out a loan to purchase a motorcycle. At one bank, he would pay $3500 initially and $85 each month for the loan. At another bank, he would pay $2750 initially and $110 each month. After how many months will the two loan payments be the same?
Click here to see answer by TimothyLamb(4379) About Me 

Question 927022: What is the evaluated expression of 5*(3+1)3*4 ?
Click here to see answer by MathLover1(20850) About Me 

Question 927710: i nedd help with my homework it is 6.1 independent practice expressions equations and inequalities?
Click here to see answer by Alan3354(69443) About Me 

Question 929164: How do you evaluate the expressions below for the given value? 3(2x+1) for x=-8
Click here to see answer by Fombitz(32388) About Me 

Question 929698: Simplify each expression.
i22
I have the answer = i2 = -1
I just don't know how my professor got that answer.

Click here to see answer by MathLover1(20850) About Me 

Question 929815: If a=-3 and b =4 , evaluate 2a^2 +4ab
Click here to see answer by Edwin McCravy(20060) About Me 

Question 929977: Solve this problem.8(3n+5)=-32
Click here to see answer by TimothyLamb(4379) About Me 

Question 930379: Having a few problems!
transpose
y=7+x/14
when x is the subject.
Hope you can assist

Click here to see answer by MathLover1(20850) About Me 

Question 930434: where do the parenthesis go on the following problems if the last part is what should only equal up to if the parenthesis are in a certain place
Click here to see answer by Edwin McCravy(20060) About Me 

Question 930571: 1. A motorboat went 70 miles in 4 hours when traveling at full speed upstream on a river whose current flows at the rate of 6 miles per hour. How fast can the boat travel in still water?
2.A messenger traveling 65 miles per hour pursues a truck which has a start of 2 hours and overtacks it in 3 hours. Find the trucks’ speed?

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

Question 930598: each statement illustrates the use of one of the
following properties or definitions. Indicate which one.
Commutative (+) Inverse (+)
Commutative (*) Inverse (*)
Associative (+) Subtraction
Associative (*) Division
Distributive Negatives (Theorem 1)
Identity (+) Zero (Theorem 2)
Identity (*)
8 - 12 = 8 + (-12)

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

Question 930601: change to rational exponent form. Do not
simplify.
∛17^2

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

Question 931076: -q+13=
Click here to see answer by Alan3354(69443) About Me 

Question 931771: Use the distributive property to rewrite the expression 3(x + 5) without parentheses.
Click here to see answer by TimothyLamb(4379) About Me 

Question 932075: both circles have the same center and the radius of the larger circle is R. if the radius of the smaller circle is 3 units less than R, which of the following represents the area of the shaded region?

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

Question 933387: the sum of b and 11
Click here to see answer by MathLover1(20850) About Me 

Question 934027: What equivalent expression is equal to c 12/8?
Click here to see answer by Techpriest(29) About Me 
Question 934027: What equivalent expression is equal to c 12/8?
Click here to see answer by MathTherapy(10555) About Me 

Question 934333: help solve this
4+C over 4Y squared

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

Question 934891: Find the sum:[1^1/2] [2^1/2] [3^1/2] ... [n^1/2]
Click here to see answer by AnlytcPhil(1807) About Me 

Question 935507: A man has 350 watches. He sells 10 watches everyday. Write an algebraic expression to show the no of watches he would be left with after t weeks
Click here to see answer by Fombitz(32388) About Me 

Question 899443: 2{[3(y-4)+19]-[2(5y-3)+2]}
Click here to see answer by tommyt3rd(5050) 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