Friday
December 6, 2013

Posts by Carrie

Total # Posts: 255

Algebra
I am having to graph this linear equation. y=-2x+4 This is what I know. The y-intercept is 4 and the slope is -2. So I would start at the y-axis at 4, then would I go down 2 units and over to left one or go up 2 units and to the right one. Dont know how to graph it.

Algebra
Equation: 2x/5-x/3=5 (2x/5 and x/3 is a fraction) I know that you are suppose to combine like terms, like x, but don't know what I need to do, since they are fractions. Help please.

Algebra 2
A car enters a interstate highway 15 mi north of the city. The car travels due north at an avrage speed of 62.5 mph. Write an equation to model the car's distance from the city after traveling for h hours.

Algebra
Okay. I thought this was true, but was confused. Thanks for clearing this up for me. And also for a fast response.

Algebra
Solve this equation: -4x^2=0 Lost what to do to solve this equation, especially with the exponent of 2.

Math
Ok. Can you explain how this is so? Just so I know and understand.

Math
Write a brief scenario that can modeled with a linear equation. AND Summarize a situation modeled by a quadratic equation. I am completly lost with these two questions. I understand the difference between these two functins but don't know how to come up with a scenario or ...

Math
Given that P(A)= 1/36, what are the odds against A occuring? I found this formula in my chapter odds against A= 1-P(a)/P(a) Would it be 1-1/36 over 1/36? Or how do I go about it?

Math - # theory
1.8984375 E-20 is on a calculator. What is the 20th digit to the right of the decimal. I need to know how to work it, not the answer.

geometry
commutative

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