165 Answered Questions for the topic Variables

03/25/17

How do you simplify 2y-(x-y)
 I've been having trouble with parentheses, please help!
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Variables

03/02/17

three times the larger of two numbers is equal to four times the smaller. the sum of the numbers is 21. find the numbers
three times the larger of two numbers is equal to four times the smaller. the sum of the numbers is 21. find the numbers
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Variables

02/26/17

Its hard g=2+4x solve for x what are the steps
I am having a hard time understanding I was giving this question without any understanding what it is that im suppose to do first
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02/23/17

What is m in this expression: 3.4m=20.4
What is m? 3.4m=20.4
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01/05/17

Simplify this fraction
simplify sqrt20k^2m  (all of the numbeRs are under the radical. please break it down and explain it. 
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12/17/16

Write the expression with only positive exponents. Assume all variables represent non-zero numbers.
-n-7
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Variables Linear Relations

12/11/16

When a tow truck is called, the cost of the service is $10, plus $2 per mile that the car must be towed. Define your variables
variables  independent and dependent  x and y chart  graph   
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12/07/16

The sum of two numbers is 8. The sum of the cubes of the same numbers is 20. What are the two numbers and what is their sum when they are squared?
The numbers don't have to be whole numbers, and I'm pretty sure they can be negative as well
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Variables

12/01/16

Find What K stands for?-12k=-60?
i need ti find the awnser to this . and i cant get it
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Variables

10/23/16

Multiple Choice
Cor6 which of the following would you expect a negative correlation? A) the number of grams of sugar in a dessert and the number of calories in the dessert. B) the length of a person's legs and... more
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Variables

10/23/16

Word Problem
A cell phone company charges a monthly fee of $50 for a phone plus a monthly service charge of $30. Write an algebraic rule to represent the phone company's total charges per month (use the... more
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Variables Math Help

10/14/16

What's the value of 8j-3k?
If 2/3j-1/4k=5/2, what's the value of 8j-3k?
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Variables

09/20/16

least common denominators with variable
9/x+7 and 1/2-x
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Variables

09/05/16

Solve the equation for the indicated variable.
1. (f-3)/d=r+2, for d   2. (q/r)-6=q, for r 
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Variables

09/05/16

Solve the equation for the indicated variable. Help!
1. f-3/d=r+2, for d   2. q/r-6=q, for r
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Variables

09/05/16

Solve?? Help
1. Kinetic energy, K, equals the product of 1/2, the mass of an object, m, and the square of its velocity, v. Write a formula for kinetic energy. Then solve your formula for v.   2. In a circle,... more
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Variables

09/02/16

Solve the formula for the indicated variable.
    1.  Quadratic Formula: ax2 + bx + c = 0, for b    2. Pythagorean Theorem: a2 + b2 = c2, for a   3. Formula for the surface area of a cone: S=3.14rs+3.14r2, for s
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Variables Math Problem

08/26/16

what is the answer to ab/9 divided by b/3
  its a math problem with variables.
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08/25/16

For the following variables, would the distribution of scores approximate a normal curve?
For the following variables, would the distribution of scores approximate a normal curve? Please explain why and if its not going to have a normal curve, what distribution shape is it really likely... more
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07/30/16

If m^2 - n^2 > 0 and m + n < 0 , which of the following MUST be true? ~ (Answer choices are in Description!)
A) m - n > 0 B) n - m > 0 C) n - m < 0 D) m - n < 0 E) n2 - m2 >0
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06/17/16

I am having trouble working a geometric equation backwards with ratios on the base length and height
I am stuck trying to properly simplify this equation to make it workable on my own. (volume equation for pyramids)   6=(1/3)Bh   Where the height has a 2:3 ratio to the base length. i.e. h=2x... more
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06/15/16

Can you simplify it this way?
(ks*m2 )/s   To   (k*m2)/s2
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06/08/16

How can I solve this?
Square root of 64w^6
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06/02/16

What is the system of equations to be used in the following problem?
A food truck sells salads for $6.50 each and drinks for $2.00 each. The food truck's revenue from selling a total of 209 salads and drinks in one day was $836.50. How many salads were sold that day?
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Variables Algebra 2 Exponents

05/18/16

how do you simplify a cubed variable?
ex. 3x^3+27x   thank you for any help
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