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

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Question 116152: 11p3 evaluate expression
Click here to see answer by jim_thompson5910(35256) About Me 

Question 116082: simplify
9x + 3y - (5x + y)

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Question 116172: In how many ways can a student work 7 out of 10 questions on an exam?
Click here to see answer by checkley71(8403) About Me 

Question 116089: Write an equation. Solve algebraically, the check
Twelve times a number is equal to 216. what is the number?

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Question 116089: Write an equation. Solve algebraically, the check
Twelve times a number is equal to 216. what is the number?

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

Question 116086: What is the simple interest when $1,000 is invested at 4 1/4% for 2 years?
Click here to see answer by checkley71(8403) About Me 

Question 116087: Write an algebraic expression for each verbal expression.
a number increased by 20 (X+20)________
the quotient of b divided by 7 (B/7)_________

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Question 116085: Use the formula C= 5/9 (F-32 degrees) to find the Celsius temperature that is equivalent to the 59 degrees Fahrenheit.
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Question 116083: How far will Jim run in 12 seconds, if his speed is 42.4 feet per second?
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Question 116257: twenty-five more than r
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Question 116299: Simplify:
5(2a + b) - (a + 3b)

Click here to see answer by bucky(2189) About Me 

Question 116343: Please help.
Use your calculator to evaluate the following expression if x = 8.48 and
y = -3.71 and z = -4.19. Round your answer to the nearest tenth. x - yz
Thanks
JMS

Click here to see answer by SHUgrad05(58) About Me 

Question 116525: the balences of two investments are changing at steady rates. one investment of $1450 is decreasing by $105.75 each month. the other investment of $825 is increasing by $144.25 each month. write and solve an equation to find how many months it takes the balances of the investments to be the same.
Click here to see answer by stanbon(75887) About Me 

Question 116568: Solve
3x - 4(5 + x) = x + 8

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Question 116564: Simplify
2 + 5(3)
________
7

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

Question 112633: PLEASE EXPLAIN.

Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 20m and the area is 224m^2, find the length of the other base.

Click here to see answer by BurningFlame_marc(77) About Me 

Question 116527: 3.15x + 9.4 + 12 + 12 + 5.5x
Click here to see answer by awang1996(50) About Me 

Question 117255: Multiply. a^4 b^2 x ab^3
Click here to see answer by HyperBrain(694) About Me 

Question 117282: Subtract
(4a-3b)-(a-5b)

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

Question 117281: Add
(-5xy + 2xyz) + (xy - 3xyz)

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Question 117280: simplify

54m third power/9m fourth power

Click here to see answer by checkley71(8403) About Me 

Question 116523: 5.1x - 11.4 = -0.9x - 17.4
Click here to see answer by awang1996(50) About Me 

Question 117774: Use the properties of addition and multiplication to complete the statement.
5 * (12 + 3) = 5 * _____ + 5 * 3
Thank you.

Click here to see answer by psbhowmick(878) About Me 

Question 117853: ax=b for x
Click here to see answer by jim_thompson5910(35256) About Me 

Question 117890: simplify
(-1) fifth power

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Question 117893: (2c-3d) - (-7c-2d)
Click here to see answer by MathLover1(20850) About Me 

Question 117892: simplify
5y + y + 2y

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Question 117891: simplify
m(9m to the fourth power)

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Question 117889: Simplify

-10 + (-30)

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Question 117888: simplify
10-6(2)/1+ -5

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Question 117888: simplify
10-6(2)/1+ -5

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

Question 117887: subtract
(4a-3b) - (a-5b)

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Question 117886: simplify
(s to the third power t)2nd power

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Question 118012: Write the equation of each line. Give the answer in standard formusing only integers as the coefficients.
The line through (2,-3) that is perpendicular to the line y=-3x+12
The answer is x-3y=11
How do I work the problem to find the answer given?

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

Question 117279:
simplify
%28s%5E3%29%5E2

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Question 117278: (3 and 2 second power) (-4 and 2 second power)
Click here to see answer by MathLover1(20850) About Me 

Question 118105: I need to learn how to factor completly
3x^2 + 17x + 10

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

Question 118190: Hello, I have 2 questions to ask. First off, I am in the sixth grade and I understand the rules of algebra, I just don't get what (v squared and p cubed are). Is there any way you can help me understand or show me what it is?
Please and thanks!
~Little Nah-Nah

Click here to see answer by bucky(2189) About Me 

Question 118369: 3n^2 - 4m if n = -2 and m = 5
Click here to see answer by jim_thompson5910(35256) About Me 

Question 118626: Simplify the expression
3y-(6y+2)(-y)

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Question 118747: If x - 3(x-2)= 4(x + 1)-8,then x =
Please help

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Question 118748: Please help with this question - 4x - 15 < 25 is eqivalent to ?
thank you

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Question 118750: Please solve2/x - 1/5 =
Thank you

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Question 118904: 1. Use multiplying by 1 to find an expression equivalent to 9/2 with a denominator of 12a?
2. Collect like terms? 23/3x+7/3y-4/3x+7/3y
3. Remove parentheses and simplify? 9h=6j-4(9h-9j=7K)

4. Simplify? 2{[5(y-5)+19]-[2(2y-3)+5]}

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

Question 119154: Hello and thanks for being available to help me.. Can you please help solve an equation for X and walk me through the steps ( a breakdown so I can work my way backwards to understand what you have done?
2x( -2(2-x) = -3 ( x- 1)
solve equation for X
Again , thanks
Brandi Whitley

Click here to see answer by jim_thompson5910(35256) 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