# Posts by blueridge

Total # Posts: 11

**Math**

I know that and I thanked you for correcting me. We all make mistakes, right?

**Math**

The equation is set up correctly. Good job! Let's see: 17 + 2n = 101....Original Equation Subtract 17 from both sides. 2n = 101 - 17 2n = 84 Now divide both sides by the coefficient 2 to find the value of n. n = 84/2 n = 42 Is this true? Let's plug 42 for n in the ...

**Math**

Yes, I totally missed some of the wording. Yes, Quidditch is right for question 1. Good looking out, Quidditch! blueridge

**Math**

We have this: 7 + 2(5 - 2 * 3 ^ 2) USE PEMDAS...Do you know what PEMDAS stands for? Work out the inside of the parentheses first. Inside we have this guy: 5 - 2(3)^2 5 - 2(9) 5 - 18 -13 We now have this: 7 + 2(-13) 7 - 26 = -19 Done! ================= NEXT: Name the sets of ...

**algebra**

Use this formula: (a + b)(c + d + e) = ac + ad + ae + bc + bd + be ============================ Steps to solve your question: 1-Each terms of the left side polynomial, which is this guy (-.096t^4+3t^3-27t^2+91t+1700), should be distributed through the second polynomial, ONE AT...

**Math**

What exactly in terms of math are you having trouble with? Do you have a question(s)?

**Math/Chemistry**

This question has been answered. Like I said before, you need to be more specific.

**Math**

Regression curve is a study taught in advanced statistic courses. The simplest form of regression is fitting a line to data. Suppose I want to predict a tiger's height from its age. I can find the equation of the "best" line that relates height to age, and I can ...

**Math**

This question is not clearly stated. Many shapes have lines that decrease and/or increase just the same. A line that decreases reveals a decreasing function; a line that increases reveals an increasing function.

**algebra**

I just want to add that whenever they ask you to solve for a letter, any letter, it means to isolate the letter just like Ms. Sue easily did. Do you see that l has been isolated on the left side of the equation? This is very important to keep in mind in any math course. Also, ...

**Algebra**

For question one use: P( A or B) = P(A) + P(B) - P(A and B) The rule for OR takes into account those values that may get counted more than once when the probability is determined. Let P = probability Let A = biographies Let B = reference book Can you finish?

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