Questions on Algebra: Negative and Fractional exponents answered by real tutors!

Tutors Answer Your Questions about Exponents-negative-and-fractional (FREE)

Question 153309: can you please help me indicate if the line is parallel, perpendicular, or neither. (((3x+y=5 -x+3y=6)))
Click here to see answer by Edwin McCravy(20060)

Question 153314: can you please help me solve and check the following using the substitution method. (((x+3y=23 3x-2y=3)))
Click here to see answer by mangopeeler07(462)

Question 153314: can you please help me solve and check the following using the substitution method. (((x+3y=23 3x-2y=3)))
Click here to see answer by checkley77(12844)

Question 153307: can you please help me indicate if the following set of lines is parallel, perpendicular, or neither. (((y= 2x-5 y= 2x+5)))
Click here to see answer by mangopeeler07(462)

Question 153311: can you please help me solve and check using the substitution method. (((3x+y=5 -2x+3y=4)))
Click here to see answer by Edwin McCravy(20060)

Question 153422: -4-[-(-5)]+|-6| i have no idea how to do this problem

Click here to see answer by stanbon(75887)

Question 153507: can you please help me decide if the following is paralles, perpendicular, or neither: (((3x+y=5 -x+3y=6)))
Click here to see answer by josmiceli(19441)

Question 153508: can you please help me: (((Graph the equation x-y=6)))
Click here to see answer by Fombitz(32388)

Question 153534: 1/81 to the exponent of -3/4
Click here to see answer by stanbon(75887)

Question 153513: can you help me solve and check this problem using substitution method: (((x=1/5y 3x+2y=26)))
Click here to see answer by Fombitz(32388)

Question 153509: can you please help me: (((Graph the function y=f(x)=x^2)))
Click here to see answer by Alan3354(69443)

Question 153596: What is the product of the cube of (-4/3) and square of (-3/2) ?
Click here to see answer by Alan3354(69443)

Question 153903: 1/5b= -8 what does b equal
Click here to see answer by nerdybill(7384)

Question 154039: How do i simplify (6xy^2)(-8x+ 9y)

Click here to see answer by checkley77(12844)

Question 154616: Trying to help my son
Could you please give my step by step We are not sure if we turn it into an improper fraction to solve
1 5/12 - 3 1/4 =

Last question
20+2 (3 X -5squared +30)
20 + 2 ( would the -5squred be positive or negative and why
Click here to see answer by scott8148(6628)

Question 154659: can you please help me solve this problem and show all work using the 5-step method: (((When the digits of the two digit number are reversed, the new number is 9 more than the original number, and the sum of the digits of the original number is 11. What is the original number?))
Click here to see answer by stanbon(75887)

Question 154656: can you please help me solve by either the substitution or the additon-or-subtraction method: (((2m=n-3 3m-2n-9)))
Click here to see answer by Alan3354(69443)

Question 154657: can you please help me solve this problem and show all work using the 5-step method: (((A sailboat travels 20 miles downstream in 3 hours. It returns in 4 hours. Find the speed of the sailboat in still water and the rate of the current.)))
Click here to see answer by checkley77(12844)

Question 154724: Could you please help me with this question?
Is the value of this question positive or negative?
-2^2
Thank You
Click here to see answer by checkley77(12844)

Question 154724: Could you please help me with this question?
Is the value of this question positive or negative?
-2^2
Thank You
Click here to see answer by Alan3354(69443)

Question 154748: what is the third root of a times the 5th root of a? (I cant type in radical symbols.
Thanks! Ian
Click here to see answer by stanbon(75887)

Question 154843: can you please help me solve by the addition-or-subtraction method: (((12a-5b=18 15a-5b=30)))
Click here to see answer by checkley77(12844)

Question 154842: can you please help me solve by additon-or-subtraction method: (((2x+y=18 2x-y=22)))
Click here to see answer by Fombitz(32388)

Question 154844: can you please help me solve this problem and show all work using the 5 step method: (((Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. How old is each now?)))
Click here to see answer by stanbon(75887)

Question 154868: can you please help me solve this problem: (((The amount of money that a salesperson makes varies directly as the toal maount of sales made. If the salesperson receives $7500 for selling a house for $120000, how much will he or she make if he or she sells a house for $150000?)))
Click here to see answer by jojo14344(1513)

Question 155074: Can you please help me solve by graphing:(((2x+y=5 3x-y=10)))
Click here to see answer by checkley77(12844)

Question 155068: Can you please help me solve by graphing: (((3x+2y=8 6x+4y=16)))
Click here to see answer by checkley77(12844)

Question 155065: Can you please help me solve by graphing: (((2x=y+1 2x-y=5)))
Click here to see answer by checkley77(12844)

Question 155064: can you help me solve by graphing: (((3x+y=5 -2x+3y=4)))
Click here to see answer by checkley77(12844)

Question 155095: Please solve: -square root 78
Click here to see answer by Hollander(1)

Question 155504: Simplify
(5^3)^-8
Type exponential notation with positive exponents
Click here to see answer by jim_thompson5910(35256)

Question 155506: Divide and Simplify
6^8/6^3
Type exponential notation with positive exponents
Click here to see answer by jim_thompson5910(35256)

Question 155866: can you please help me solve the following inequalities and graph the solution: (((2x+7>5)))
Click here to see answer by checkley77(12844)

Question 155872: can you please help me solve: (((3x+1<_-2 or 2x+3>_5)))
Click here to see answer by stanbon(75887)

Question 155871: can you please help me solve: (((-6<_3+x<4)))
Click here to see answer by stanbon(75887)

Question 156213: please help my daughter.
What is the difference between the following..
5^3, -5^3, (-5)^3, and finally -(-5)^3. I have never been good with arithmatic, and cannot seem to figure out what is positive, and negative, or how to come to any conclusions here. I know some answers will be +125, but which are negative and why?
Click here to see answer by checkley77(12844)

Question 156363: can you please help me: (((Given the pair of inequalities, y>x+1 y<3/2x+3 graph their solution set)))
Click here to see answer by stanbon(75887)

Question 156362: can you please help me graph: (((y_>2x+1)))
Click here to see answer by SAT Math Tutor(36)

Question 156357: can you please help me solve: ((([x-4]>3)))
Click here to see answer by gonzo(654)

Question 156360: can you please help me graph: (((x+y<1)))
Click here to see answer by gonzo(654)

Question 156712: I can't remember how to work a fraction using numbers and letters example
9x over 7 divided by ten over 3x
Click here to see answer by josmiceli(19441)

Question 157237: Help me solve this
negative T over 2 is greater than 3 over 2
What is T?
Click here to see answer by nerdybill(7384)

Question 157236: Help me solve this
negative T over 2 is greater than 3 over 2
What is T?
Click here to see answer by SAT Math Tutor(36)

Question 157500: Please help my daughter solve this problem:
(5x^-1/9y^-6)^-5 (5x to the negative 1divided by 9y to the negative 6 all raised to the negative 5)
Your help will be most greatly appreciated. Thank you and have a good day!
Click here to see answer by checkley77(12844)

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