Questions on Algebra: Inverse operations for addition and multiplication, reciprocals answered by real tutors!

Tutors Answer Your Questions about Inverses (FREE)

Question 462380: Can someone show me how to solve using the addition and multiplication principles?
2 + 5x < 42

Click here to see answer by MathLover1(20849)

Question 462380: Can someone show me how to solve using the addition and multiplication principles?
2 + 5x < 42

Click here to see answer by stanbon(75887)

Question 462896: 12x - 1 = 3 + 5x
Click here to see answer by rfer(16322)

Question 463985: Put into reduced ratio form;
4 1/2 miles to 1 3/10 miles
Click here to see answer by algebrahouse.com(1659)

Question 464316: a-0.9=0.3
Click here to see answer by stanbon(75887)

Question 464355: For the function f (x) = 7x + 9, determine whether f (x) is one-to-one. If so, find the formula for the inverse and give the domain and range for f -1.
Click here to see answer by lwsshak3(11628)

Question 443183: Can you please help me with this question?
Solve using the addition and multiplication principles:
6-4x> 1-3x
Thanks!
Click here to see answer by shammar(2)

Question 464621: Multiply -9/5 x (9/8)
Click here to see answer by jorel1380(3719)

Question 464637: Solve using the multiplcation principle. Simplify

-5/6x= -9/10
Click here to see answer by rfer(16322)

Question 464756: y=8 what is its perpendicular
Click here to see answer by richard1234(7193)

Question 464814: Please help me find the reciprocal of: 2.13
Click here to see answer by aortiz12499(3)

Question 465996: what is this 7 X 8 = 8 X 7
Click here to see answer by sofiyac(983)

Question 466497: Beginning & Intermediate Algebra: Please explain in simple terms, what does the addition/subtraction and multiplication/division properties means?
How do I know what to substract or add in linear equations?
Which number to add or subtract on both sides and how do I know when to do either?
Also what is the definition of a slope on a graph?
Click here to see answer by richard1234(7193)

Question 467300: hi i really need help with these problems I would greatly appreciate it if you could help..
#1)the multiplicative inverse of 1 over 3 is..
1)1/3
2)-1/3
3)3
4)-3
#2)-6(a-7) state the name of the property used
#3)the quotient (9.2 x 10 exponent 6) & (2.3 x 10 exponent 2)
thank you for you time.
Click here to see answer by jorel1380(3719)

Question 467756: how can I learn algebra in a short time.?
how can I learn algebra in a short time

Click here to see answer by Alan3354(69443)

Question 470563: solve using addition and multiplication principle
show work
24 > 10 - 2x
Click here to see answer by robertb(5830)

Question 470560: solve using the multiplication principle
-2x < -8
Click here to see answer by robertb(5830)

Question 472002: -10=-14v+14v

Click here to see answer by MathLover1(20849)

Question 472806: Evaluate the following function or inverse; then write the ordered pair f(x)=3x+1 and f^-1=x-1/3
f(0)
Click here to see answer by stanbon(75887)

Question 474361: can you tell me how to slove the quadratic equation -1x^2+12x-32 step by step
Click here to see answer by Alan3354(69443)

Question 474361: can you tell me how to slove the quadratic equation -1x^2+12x-32 step by step
Click here to see answer by josmiceli(19441)

Question 474931: Please help me solve this. What would be the answer to this equation.
5x^-2y^10 over 2x^-1(-3x^-3y^-1)^-2

Click here to see answer by mananth(16946)

Question 477037: if a number is subtracted from twice its reciprocal, The result is -23/5.What is the number.
Click here to see answer by nerdybill(7384)

Question 477189: Which value of x is not allowed in this fraction x^2
______
1+2x
I was shown the answer but don't understand why. The explanation didn't make sense, so I am looking for someone else who can explain why the answer is what it is.
Click here to see answer by Alan3354(69443)

Question 477888: What is the inverse of f(x)=(x-7)^3
I know you change out f(x) to y: y=(x-7)^3
Then swap x and y: x=(y-7)^3...But now I am stuck as to what numbers will come back over with y..Can you help?
Click here to see answer by mangopeeler07(462)

Question 479631: the sum of a number and its reciprocal is 34/15
Click here to see answer by MathLover1(20849)

Question 479950: what is a counter example for the reciprocal of each natural number is a natural number
Click here to see answer by tinbar(133)

Question 479953: what is a counterexample for the opposite of each whole number is a whole number
Click here to see answer by tinbar(133)

Question 481128: The one-to-one function is defined by
f(x) = x/(8-9x)
Find f^-1, the inverse of f . Then, give the domain and range of f^-1 using interval notation.
Click here to see answer by stanbon(75887)

Question 482432: what do you do to find the reciprocal of a number?
Click here to see answer by stanbon(75887)

Question 482440: x + 3 = m
How do you find the value of x?
Click here to see answer by richard1234(7193)

Question 482596: How do I answer this?: .75=x-275/80
Click here to see answer by Theo(13342)

Question 484955: use the commutative law of multiplication to write an equivalent expression
a(s+3)
Click here to see answer by Tatiana_Stebko(1539)

Question 484954: use the associative law of addition to write an equivalent expression
8r+(s+t)
Click here to see answer by Tatiana_Stebko(1539)

Question 484960: simplify. please show all your work. write your final answer exactly as a fraction in lowest term
35/110
Click here to see answer by Tatiana_Stebko(1539)

Question 484957: find the prime fractorization of 594
show all your work
Click here to see answer by Alan3354(69443)

Question 485178: 3r +1.5=r+4.5
Click here to see answer by rfer(16322)

Question 485641: how to write 5 more than the product of a number and 3
Click here to see answer by Theo(13342)

Question 487294: my step-daughter saw an algebra problem that had an exclamation point ( ! )in the expression looking like this ... 4! ... with an answer that the teacher said was correct. What does the ! mean in algebra?
Click here to see answer by josmiceli(19441)

Question 487402: 1 simplify 0/8
2 simplfy
-7y - (-4y + 8)
Click here to see answer by unlockmath(1688)

Question 489113: simplify
(-3w)*3
Click here to see answer by rfer(16322)

Question 489117: perform the indicated operation and, if possible simplify. show all of your work
-28/39 / 20/9
Click here to see answer by rfer(16322)

Question 489123: perform the indicated operation and, if possible simplify. show all of your work
3/4-{-5/8}
Click here to see answer by rfer(16322)

Question 489126: perform the indicated operation and, if possible simplify. show all of your work
1/11+{-5/6}
Click here to see answer by rfer(16322)

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