Sunday

April 20, 2014

April 20, 2014

Total # Posts: 19

**math**

How many different integers, n, are there such that the difference between 2 x n squared and 7 is less than 1? The supposed answer is 6 but i have NO idea how thats possible??

**Chemistry**

how did you find OH? we aren't allowed to use a calculator and the answer book is saying the pH is 7, not 12

**chem HARD**

thank you!!!

**chem HARD**

can anyone explain to me why LiCO3 is NOT a lithium compound? and what exactly is needed for lithium compounds?? thanks!

**chem**

thanks! where is the 136 coming from tho??

**chem**

sodium chloride (relative molecular mass = 58.5) had a solubility of 36.0 g per 100g of water. the density of the solution is 1.13 g/ml. which of the following calculations would give te solubility in moles per liter? A) 36.0 x 10/58.5 b) 36.0 x 10 x 1.13/(58.5 x 136) c) 36.0 ...

**Maths**

Can you please tell me what TU means at the top of my sums eg., and do I put the sums answer in the circle between the sums and add the answer onto the next sums answer? TU TU 23 15 16+ 0 17+ ___ __ ___ __

**math**

Let d be the difference between terms. Let x be the first term. The second term will be x + d. The third term will be x + 2d. Fourth term will be x + 3d. But the fourth term is 20, so x + 3d = 20. Continue this until you get the eighth term. Write an equation about the eighth ...

**Math Systems**

problem 1 in the equation x - y = 1, solve for x in terms of y. replace x in either of the other two equations and you will be able to solve for x. Now, you can go back to any of the three equations and replace x with the value you found and solve for y. Check that your soluti...

**math**

Reduce 10/20 then cross multiply.

**math**

substitute -3 for every x in f(x) and simplify.

**math**

notice in 2, 9, 16, 23, .... each number is seven more than the previous one did you have a question about 6, 12, 9, 18, ... ?

**math**

Please Check that the given information is complete. There is not information right now to answer your question.

**math**

First make a table to show input and output. IN. OUT 0. 2 1. 4 2. 6 .. .. Notice that the difference between outputs is 2. But 2 times each input does NOT give the correct output. However, if you add 2 to the product of 2 and input, you get the correct output. Therefore, the r...

** SraJMcGin-biology**

just wanted to say thankyou :)

**biology**

1.explain how the code that is found in the organism`s genes works 2.describe how the genetic code controls the production of proteins 3.find diagrams to help explain thankyou!

**science**

what other features ncan a gas that is collourless at room temperature have??

**year 7 music**

explanation of musical chords and an example. thanks for help.

**Physic**

an someone please help me out on this... An ideal transformer has 50 turns in its primary and 250 turns in its secondary. 12 V ac is connected to the primary. Find: 1. The volts ac available at the secondary 2. Current in the 10 device connected to t he secondary 3. P...

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