158 Answered Questions for the topic Variables

06/16/20

#### 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

05/04/20

Variables Sas

04/12/19

#### 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

04/03/19

#### 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

02/24/19

#### 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

01/25/19

01/11/19

#### 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

01/11/19

#### 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 ?
Variables

12/11/18

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

Variables Math Equations

12/08/18

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

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

10/10/18

#### 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

09/25/18

#### 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"

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

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

#### OR

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