# Posts by joel

Total # Posts: 310

**Algebra**

6x²y³ + 9x²y³ 15x²y³ ------------- = ---------- 3x²y² 3x²y² = (15/3) (x²/x²) (y³/y²) = 5y Just want it to know if is correct, but don't y³ + y³ = 2y³? I'm confused now. Can someone ...

**fractions**

Jacob is making a recipe and requires 3/8 cups of water for stew. He needs to double the recipe . Find your answer in simplest form

**CHemistry**

Which one of the following is expected to be the strongest Lewis acid? Fe, Fe+, Fe2+, Fe3+ Which do you think would accept electrons the easier? Fe(s) or Fe^+? Do that same kind of logic on the others one by one.

**Chemistry**

If an equal number of moles of the weak acid HOCN and the strong base KOH are added to water, the resulting solution will be acidic, basic or neutral? There is a complicated answer and a sensible answer. Both arrive at the same answer. But here is the logic for the sensible--I...

**Algebra HW**

Find the vertex of the function y = –x2 + 2x + 8. it shows me different points as the answer. Im not sure how to find that point. Here are the points: (1,7) or (1,9) or (4,-2) or (-1,-9) Answered in a previous post. Here it is again: Here's a quick way to find the ...

**Albebra**

Find the vertex of the function y = –x2 + 2x + 8. It is where the derivative -2x + 2 = 0. Since you probably haven't learned about derivatives, do it this way: Rewrite is as -x^2 +2x +8 = -(x-1)^2 + 7 Now look at the form of the formula on the right. It can never be ...

**Algebra**

Which expression simplifies to –1? A. 7 + w B. x - 2 C. 3 - y ------ ----- ----- w + 7 x + 2 y - 3 D. 4 + z ----- -4 + z A

**Algebra 1**

how do i graph x + y = 1 put y on one side y=-x+1 im doing an online test and its asking me to find the equation that matches the graph. But im not sure how to figure it out. well the graph should have a negative slope with 1 as y-intercept look for a graph with those tips. it...

**Social Studies**

What is Nunavut's nickname and motto? Scroll down to the weather section of this site for Nunavut's nickname. (Broken Link Removed) This site has its motto. http://homeschooling.about.com/library/blcanumotto.htm

**microeconomics**

Question 4. (50 points) In an auction in the market for wholesale electricity, producers of electricity submit bids for each generator that they operate. The bid is the minimum price the operator of the generator is willing to accept for before it will turn it on to supply ...