Questions on Algebra: Operations with Signed Numbers answered by real tutors!

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Tutors Answer Your Questions about Signed-numbers (FREE)


Question 11111: how do you evaluate this expression.3*2+5/9
Click here to see answer by HyperBrain(694) About Me 

Question 106078: 15x2+2x-8=0
Click here to see answer by MathLover1(1183) About Me 

Question 95315: WRITE A VERBAL EXPRESSION!
23F
5M^2+2
X^3/Y^4



Click here to see answer by HyperBrain(694) About Me 

Question 39670: Find the inverse of teh relation f={(-5,1),(1,-5),(0,2)}
Click here to see answer by HyperBrain(694) About Me 

Question 106895: 5. find 32% of 600?
6. 14%of what number is 9.8?
7. what number is 24% of 90?
8. 150% of 0.6 is what number?
9. 750 is what percent of 150?
10. 48 is 300% of what number?
11. 2 is what percent of 500?
12. find 0.5% of 12?
13. find 160% of 85?
14. what number is 265% of 24?
15. 150 is what percent of 25?
16. 98 is 5% of what number?
17. Marcia bougth $80 in groceries. What is her final cost after sales tax of 6.5% is added?
18. Mr. Perez paid 14% of his income in taxes. if his taxes were $7686, what was his income?

Click here to see answer by MathLover1(1183) About Me 
Question 106895: 5. find 32% of 600?
6. 14%of what number is 9.8?
7. what number is 24% of 90?
8. 150% of 0.6 is what number?
9. 750 is what percent of 150?
10. 48 is 300% of what number?
11. 2 is what percent of 500?
12. find 0.5% of 12?
13. find 160% of 85?
14. what number is 265% of 24?
15. 150 is what percent of 25?
16. 98 is 5% of what number?
17. Marcia bougth $80 in groceries. What is her final cost after sales tax of 6.5% is added?
18. Mr. Perez paid 14% of his income in taxes. if his taxes were $7686, what was his income?

Click here to see answer by Edwin McCravy(2920) About Me 

Question 106925: If you could help me with this it will be greatfully appreciated and i will donate to your site as soon as possible.
i tryed to do these problems over and over and i really just dont get it.
its really confusing thank you.
Kacey

1. find 60% of 150?
2. what number is 40% of 95?
3. 21 is 70% of what number?
4. find 20% of 120?
5. find 7% of 80?
6. 63 is 60% of what number?
7. 12 is 30% of what number?
8. 90 is 45% of what number?
9. what number is 27% of 50?
10. what number is 70% of 122?
11. what number is 12% of 85?
12. find 14% of 150?
13. 26 is 65% of what number?
14. what number is 67% of 140?
15. 108 is 90% of what number?
16. fidn 34% of 85?
17. 50 is 25% of what number?
18. what number is 95% of 90?
19. 21 is 35% of what number?
20. find 22% of 55?
21. find 14.5% of 500?
22. 4 is 0.8% of what number?

1. 72 is what percent of 90?
2. find 10% of 240?
3. 90 is what percent of 360?
4. find 8% of 120?

Click here to see answer by checkley75(3666) About Me 

Question 106182: I tried to solve this problem in many ways, please help
problem (2.2^2)^3 =
my answer 2.2=4
(4^2)=16
16^3=4096
then
(2.2^2)^3
(4.2)
(8)^3
512


Click here to see answer by solver91311(5072) About Me 

Question 106971: YES I HAVE A QUESTION THEY GAVE ME A PROBLEM TO SLOVE AND THEY NEVER EXPLAINED HOW TO SLOVE IT ? DISTRIBUTING OPERATIONS 1). FIND THE AREA ____ * _____ =
2). FIND THE AREA OF THE TWO PARTS : ( _____ * 120 )+ ( _____* 120 ) = OR (____*____ ) * 120 = I DON'T UNDER STAND HOW TO DO THIS AT ALL

Click here to see answer by MathLover1(1183) About Me 

Question 67449This question is from textbook
: 5. each number trick below is generated by the same number trick.
First sequence: 3, -1, -3, -12, -4, 3
Second sequence: 10, 6, 18, 9, 3, 10
Third sequence: 5, …
A. describe this number trick in words
B. complete the third sentence
C. write a sequence of expressions for this number trick
This question is from textbook

Click here to see answer by HyperBrain(694) About Me 

Question 108789: how do you solve 4x+8=12x-32 step by step?
4x=12x-40

Click here to see answer by jose1985(1) About Me 
Question 108789: how do you solve 4x+8=12x-32 step by step?
4x=12x-40

Click here to see answer by Fombitz(2113) About Me 

Question 109581: I am taking on-line classes through Axia College University of Phoenix I print off my math chapter materials so I do not have ISBN #.

My question is this:
The kinetic energy of a particle of mass m is found by taking one-half of the product of the mass(m)and the square of the velocity(v). Write an expression an expression for the kinetic energy of a particle.
I am not sure where to begin on this one, All I have been able to do is this: 1/2(m) + (v)^ I do not think this is correct. I would greatly appreciate any help with this one.
Thank you for your input, Barb Neely

Click here to see answer by edjones(3292) About Me 

Question 109624: This problem is one that I think I may have done right could you check it for me please.
Here it is: Write the following phrases, using symbols; The sum of m and n, divided by the difference of m and n.
What I put was this, (m + n)/(m - n). Is this correct?

Click here to see answer by ptaylor(1578) About Me 

Question 109877: I am taking on-line college classes through Axia College University of Phoenix and we print off our syllabus for our classes so I do not have a ISBN #. A problem that I have is a word problem:
Science and Medicine; It is estimated that the Earth is losing 4000 species of plants and animals every year. If S represents the number of species living last year, how many species are on Earth this year?
Would I be correct in this answer; S/365 (the 365 representing number of days in a year)

Thank You for your help,
Barb Neely

Click here to see answer by jim_thompson5910(13787) About Me 
Question 109877: I am taking on-line college classes through Axia College University of Phoenix and we print off our syllabus for our classes so I do not have a ISBN #. A problem that I have is a word problem:
Science and Medicine; It is estimated that the Earth is losing 4000 species of plants and animals every year. If S represents the number of species living last year, how many species are on Earth this year?
Would I be correct in this answer; S/365 (the 365 representing number of days in a year)

Thank You for your help,
Barb Neely

Click here to see answer by MathLover1(1183) About Me 

Question 109876: I would like to ask a question on a math problem and my answer which I have for it. I would appreciated your input on this.
Question is: The quotient when 3 more than a number is divided by 3 less than that same number.
My answer for this is: +3/-3
I would appreciate your input on this on whether I am correct.I do not have a textbook with a ISBN #, as I do on-line classes for Axia college of University of Phoenix, so I print off our syllabus for class.
Thank You, Barb Neely

Click here to see answer by jim_thompson5910(13787) About Me 

Question 109995This question is from textbook mathematics concepts and skills
: can you help meon this problem
-10+(4)+25+(-8)
This question is from textbook mathematics concepts and skills

Click here to see answer by tutorcecilia(2042) About Me 

Question 111015: I wold greatly appreciate some help with this word problem that I have been working on.
Here is the question: 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^, find the length of the other base.
What I have for the equation so far is this; L=1/2h(B+A) does this make any sense on what I have so far

Click here to see answer by checkley71(8405) About Me 

Question 111030: I would like to check my answer to this problem. Here is the number problem: The sum of two consecutive integers is 145. Find the two integers.
What I have come up with is this: x+x+1=145; 72,73
Am I right on this solution?
Thank You for your help, Barb Neely

Click here to see answer by stanbon(26259) About Me 

Question 111384: Hi, I seem to be stuck on a problem I can only get so far on this, I would appreciate your help please. Here is the question; Business and Finance. The Randolphs used 12 more gallons of fuel oil in October than in September and twice as much oil in November as in September. If they used 132 gal for the 3 months, how much was used during each month?
I know that evenly the 3 months used 44 gal of oil fuel, but trying to figure this out is probably so simple but I keep confusing myself on this for some reason. Any help would be appreciated.
Thank You, Barb Neely

Click here to see answer by edjones(3292) About Me 

Question 111401: 4x+13=-9-3(x+9);x=-7
Click here to see answer by MathLover1(1183) About Me 

Question 111402: 4x+13=-9-3(x+9);x=-7
Click here to see answer by BrittanyM(80) About Me 

Question 111692: this problem I am working on seems so long in solving I was wondering if I need to show each step in this complicated fraction.
Problem is: 6x-1/5 - 2x/3 = 3
what i have so far is this; 3(6x-1)-5*2x/5*3=3
3(6x-1)-10x/5*3=3
(3*6x-3)-10x/5*3=3
(18x-3)-10x/5*3=3
I am not sure if I am on the right track with this one,I would appreciate your help please,
Thank You, Barb Neely

Click here to see answer by malakumar_kos@yahoo.com(315) About Me 

Question 112801: how do you do albrega in expressions and simplying
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Question 115255: How many yards of material from a 24-yard length of cloth remain after 3 pieces, each 3 1/2 yards long, and 5 pieces, each 2 1/4 yards long are removed. Can you please show me how to solves these type of questions?
Click here to see answer by stanbon(26259) About Me 
Question 115255: How many yards of material from a 24-yard length of cloth remain after 3 pieces, each 3 1/2 yards long, and 5 pieces, each 2 1/4 yards long are removed. Can you please show me how to solves these type of questions?
Click here to see answer by MathLover1(1183) About Me 

Question 115549This question is from textbook
: 2/3t=-1/5This question is from textbook

Click here to see answer by jim_thompson5910(13787) About Me 

Question 115547This question is from textbook
: 2(-5)-3(-4)
I tied doing this one in a line, but I came up with 28, which is not one of the options for the answer.
This question is from textbook

Click here to see answer by scott8148(3382) About Me 

Question 115646: Combine like terms. 5w – 6w
Click here to see answer by jim_thompson5910(13787) About Me 
Question 115646: Combine like terms. 5w – 6w
Click here to see answer by edjones(3292) About Me 

Question 115805: Evaluate a(b+c) if a = 9, b = 3, and c = 7.
Click here to see answer by Nihat Routsong(11) About Me 

Question 115802: 15 + -35 - -35 =
Click here to see answer by Nihat Routsong(11) About Me 

Question 115806: Write in order from least to greatest.
1, 3, -3

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Question 115804: 63 - 12 + 4 x 3 =
Click here to see answer by checkley71(8405) About Me 

Question 115803: 4 (-3) + 4
___________
8-4

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Question 115801: Perform th3 operations
63 - 12 + 4 x 3 =

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Question 116592: simplify
(4x3power y4power)(3x2nd power y)

Click here to see answer by MathLover1(1183) About Me 

Question 116588: Simplify
12 + 4 x 10

Click here to see answer by jim_thompson5910(13787) About Me 

Question 117431:
solve
7/y = 5/8

Click here to see answer by bucky(1732) About Me 

Question 117433: Multiply
(m-4n)(m-4n)

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Question 117433: Multiply
(m-4n)(m-4n)

Click here to see answer by bucky(1732) About Me 

Question 117435: -20b 2nd power/3a times 15a 3rd power/5b
Click here to see answer by MathLover1(1183) About Me 

Question 117434: Simplify
5x 4power - 2n 2nd power - (-x fourth power - x 2nd power)

Click here to see answer by jim_thompson5910(13787) About Me 

Question 117632: Hii. Well i was assighned a Essay to do that has to be about 1-2 pages of why do we get a positive number when deviding a negative number by a negative number? and a feww examples and add diagrams and stuff. And i didnt really find any answers online. do u think you could help me?
Click here to see answer by stanbon(26259) 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