12/12/14

express using positive exponents
 express using positive exponents   xy-9
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12/12/14

Having trouble with absolute value inequalities in the numerator
Problems such as    |4y + 12|  _______   > 4       3   and    |3y + 12| _______    > 3        4
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12/12/14

why we take only one sign from plus or minus after applying square root in trignometery
My teacher give me the homework to find answer of this question i want to know the logic behind this act in trignometry  
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12/12/14

What does the y intercept of the graph tell you?
The cost of manufacturing DVDs is given by C=20000+5x, where x is the number of DVDs manufactured.  What does the y intercept of the graph tell you?
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12/12/14

Need help with 'use a combination of rules for exponents to simplify'
(tz^-4)-3 ______ (t^-2z)
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12/12/14

a math student interviewed 50 students. 41 liked peanut butter sandwiches. 35 said they liked jelly sandwiches and 30 liked both. how many liked neither.
Peanut butter and jelly question
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12/11/14

a cell phone costs $120 dollars.The price is reduced 30% for sale.How much is the discount ?
i have no decription i would just love if you can answer this
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12/11/14

A group of 100 Students took a quiz.
Thier avg was 76 points.  Boys avg was 80.  Girls avg. was 70. How many girls took the quiz
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12/11/14

Could you please list the steps involved with solving this word problem?
C's catering office is planning an office reception. The office administrator has requested a candy mixture that is 25% chocolate. C. has available mixtures that are either 50% chocolate or 10%... more
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12/11/14

Which of the following is the domain of the function G(F(x))?
F(x) = x + 4, G(y) =  G(F(x)) =    A. All numbers less than -4   B. All numbers greater than -4   C. All numbers greater than or equal to... more
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12/11/14

Which of the following is the domain of the function G(F(x))?
F(x) = x + 3, G(y) = -6- 1 G(F(x)) = -6- 1   A. All numbers less than or equal to -1   B. All numbers greater than or equal to -3   C. All numbers... more
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12/10/14

(10/3) x (1/2) cubed x (1/2) to the 7th power=
I know the order of operations is parenthesis, exponents, multiplication, division, addition and subtraction, but I am not sure I am doing what is correct.  The answer I have .117 or 15/128....what... more
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12/10/14

Solve for x
17-x-3=16-8x   Write the exact answer using base-10 logarithms
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12/10/14

Multiply the following and express your answer in appropriate scientific notation: (4.6 times 10^(-50)) times (1.9 times 10^(5))
I do not how to work this problem!
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12/10/14

(^5-3iota)square
(√5-3¡)²
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12/10/14

a jar contains $8.75 in nickels, dime, quarters.
If there are two times as many dimes as there are nickels, and 10 more dimes than quarters, how many of each coins are in the jar?
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12/09/14

How can I round 57.62811813689564 to the nearest tenth? Answer back fast please?
Hi can you please tell me how to do this and how because I'm having trouble, thanks!
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12/09/14

A number is 90 less than its square. Find all such numbers.
Solve the problem. Use the five-step problem-solving approach. A number is 90 less than its square. Find all such numbers.
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12/09/14

Find the nth term of the sequence
-1/3, 2/9, -3/27, 4/81, -5/243, ...
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12/09/14

With the roots 2, and 6 + i, find the simplest polynomial expression
How would you solve this?
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12/09/14

Equation of Conics
Write the equation of the conic in standard form and indicate which conic it is  x^2 + 4y^2 - 6x + 16y + 21=0   This is what I did    (x^2 - 6x + 9) - 4(y^2 + 4y +4)=-21 + 9 - 4   (x-3)^2  -... more
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12/09/14

Physical or Chemical ?
How can I tell if the equations are Physical or Chemical ?   A) C7H8N4O2(s) = C7H8N4O2(l)   B)NaOCl(aq) + 2NH3(aq) = N2H4(l) + NaCl(aq) +H2O(l)
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12/09/14

Find the equation of the tangent line to y=ln |x| at x=1and x=-1
the equation of the tangent line
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12/09/14

Calculate the average (arithmetic mean) from the given number of data values and the sum of the data values.(rounded to the nearest tenth)
here is the data:     number of data values: 33sum of the data values: 962.5   here are the possible answers:     A)29 EliminateB)29.0 C)29.1 D)29.2 E)30.0
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12/08/14

Solve for x: 3|2x - 2| + 6 = 18.
please help me fast
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