Find an Online Tutor Now

158 Answered Questions for the topic Variables


Math Linear Equations, Finding two variables

A test has twenty questions worth 100 points. The test consists of True/False questions worth 3 points each and multiple choice questions worth 11 points each. How many multiple choice questions... more
Variables Precalculus Algebra


A Mixture of Chocolate

A grocer sells milk chocolate at $2.70 per pound, dark chocolate at $4.60 per pound, and dark chocolate with almonds at $5.60 per pound. He wants to make a mixture of 50 pounds of mixed chocolates... more
Variables Calculus Exponents


Stuck on Calc Question

Hello! I am stuck on this problem and am maybe overthinking it. I need to find t^(4)(n) for the function t(n)=3n^(-1/3) + 2n^(5/3)
Variables Fractions Isolating


isolating denominator with fractions on both sides and all variables

S/B = M/F Solve for B, I've spent the last few hours watching videos and trying to find someone who can explain how to do this but for some reason I can't find any good explanations. I've just... more

How do you find a variable in an equation?

2x+3x+(-14) = 34+2x-14 True or False and how do you find these variables step by step?


The total rainfall for two days was 11.9 inches. The first day's total was 5.4 inches less than the second day's. How much rain fell on each day?

I was thinking of addition and subtraction being included in this question. Please help me. I know variables are included.


Solve the literal equation for the variable: r+zb=m

In the equation, solve for z.


Solve each literal equation for the variable: e-a/4=k

In the equation, solve for a.
Variables Math Algebra 1


My question is : 9y-8x=2ny+7

for the ny part, I don’t know how to separate the two to get rid of the n.... show steps pls I need to see if I’m solving it right. Thx


How do I find the two variables and what is the objective function?

The employees of a warehouse work 8-hour shifts. There are two different shifts the employees can work, the day shift from 8AM to 4PM or the second shift from 2PM to 10PM. Employees earn $11.50 per... more
Variables Sas


How to read variable names in a SAS data set?

Are there any statements\\functions capable of get the name of variables? Preferrably putting them into a column of another data set, a text field or a macro variable. **E.g.** **- Data set... more
Variables Python Exception


How do I check if a variable exists?

I want to check if a variable exists. Now I'm doing something like this: try: myVar except NameError: # Do something.Are there other ways without exceptions?
Variables Solar Oven


What is the constant,Independent Variable, and Dependent Variable in the making of a solar oven

What is something that will not change in the experiment, What is something that is changed or controlled in a scientific experiment, and What is something that will be tested and measured in a... more
Variables Math Algebra 1


What is x/5 + 3 = 2


What is the y coordinate of the solution of the system?

What is the y coordinate of the solution of the system?x+5y=73x- 4y=40What is the value of x ?
Variables Algebra 2 Solve


What is the y coordinate of the solution of the system?

What is the y coordinate of the solution of the system?4x-y=-21y=x+6What is the value of y ?


How old am I if 500 reduced by 3 times my age is 221?

Please help I am confused.
Variables Math Equations


Determine the solution to the system pf equations below? (Substitution)

------------ x=9+y x+4y-6------------


Need to understand a simplification problem for a literal algebraic equation

Quite a simple question to be honest. I am trying to solve R = (D+a-b) /b for b.An online tool that I have been using to help me out states that the first step in solving this equation is to... more
Variables Exponents Functions


When substituting a variable in a term with an exponent, how do I write and solve it?

IE: -2x^2 Do I do: -2(x)^2, -2(x^2) or (-2x)^2 I say this because of a problem I have that says "h(x)=-4x^2 -2x+5"
1 3 4 5 6 7

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.


Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.