All Answers 358512 Answers

x-(20%*x)=530.36

(80%*x)=530.36

We need to get 80%*x back up to 100%*x.

What # can we multiply to 0.80 to get 1

0.80*#=1

0.80*1.2=1

1=1

Now ,back to the problem.

0.80x=530.36

0.80x*1.2=530.36*1.2

x=636.432

Sin (2x) = ?

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We can use a trig sum formula here

Sin(2x) = Sin(x+x) = Sin(x)Cos(x) + Sin(x)Cos(x) = 2*Sin(x)Cos(x)

A rectangular sorts pitch is 25m longer than it is wide and has an area of 3150cm(squared) a) If X represents the width of the pitch, express both the length and area in terms of X.

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The length would just be (X + 25) m

The area is W * L = 3150 m²    

=  X (X + 25) = 3150 m²

that mongoose is a spy

log4(16)

That could take up a complete chapter in a text book.

Do you have a specific example ?

You're going to have to tell us, or me at least, what that F(2/5) means.

Thanks Gib  

You can factor this as 

33a⁹ - 11a¹¹  =  3*11*a⁹ - 11*a⁹*a²  =  11*a⁹*(3 - a²)

Hello Melody,

Me, ma and pa want to thank you for your kindness; why even Jerry truly enjoys your sincere words of apology

You are a very nice person and I hope that both you and Sir Wallace live a wonderful life full of both happiness and oranges

"You don't always need pupils to be beautiful" -Jerry the Walrus

I wish you both the best

Gib

13 is 10% of 130, but you should use a calculator

37927905658195296, but you should use a calculator and do it yourself.

To find one side  if you know the other and the area is simple;

follow this simple equation:

A-L₁=L₂

where:

A= area

L₁= length of known side.

L₂= length of unkown side.

I rememer it this way

If you put one back to front c on top of a normal one you make an s

and 2 * 90 degrees make 180 degrees.

Does that make sense?

A million thanks :)

Let me add something to Melody's answer.....

And supplementary angles add to 180 degees

To remember the difference between the two...note that 90 comes before 180 and "c" comes before "s"

Well, we could write a linear equation for this...... Note, there might be other possibilties, as well.

Calling the two data points  (1, 125) and (.7, 325), the "slope" of this line is

(325 - 125) / (.7 - 1) =  (200) / (-.3) = -2000/3

So the equation becomes

y - 125 = (-2000/3) (x -1)

y = (-2000/3)x +(2000/3) + 125

y = (-2000/3)x + (2375/3)

And that's it ... 

The picture wasn't there and now it is! Spooky!

Complementary angles add up to 90 degrees. 

Nice pic!!

The top surface area is given by (3/4)pi(8cm)²

The bottom is the same...so we have 2(3/4)pi(8cm)²  = (3/2)pi(8cm)²  = 96pi cm²

The curved surface area is given by (3/4)(2)(pi)(8cm)(6cm) = (3/2)pi(48)cm² = 72pi cm²

Then, we have two rectangles "inside" whose total area is 2(8cm)(6cm) = 96 cm²

So the total surface area = [96pi cm² + 72pi cm² + 96 cm² ] = [168pi + 96] cm²

And if we use 3.14 for pi, we have [168(3.14) + 96'] cm²  ≈ 623.52 cm²

I think the word you are looking for is composite.  These are positive numbers that have more than 2 factors.  That is, they are divisable by something other than 1 and themselves. 1 is neither prime or composite.  

I probably should google it but if my definition is inaccurate, someone will correct me.

@@ End of Day Wrap - Friday 2/5/14   Sydney, Australia Time 22:09

Hi everyone,

There were lots of fabulous answers today from CPhill, Kitty<3, Zzackery, Jeydenlewis497, username, Jomama, Bertie, BluePhoenix912, theactualguy, Alan and DavidQD. Thank you all, you are all wonderful! A really nice thank you was also given by chilledz3non.  

Gib took exception to my post yesterday and demanded an apology.  It is here - I hang my head in shame.

A question that I personally would like take another look at was;

Here are some of the problems that we are experiencing;

1) There seems to be a problems with the picture inserts.  Sometimes they are there and sometimes they disappear.  I think they are related to the ones in Hogwart's.  

2) Inappropriate, profanity posts were a major problem today.  I have to write another letter to Andre this weekend and I will ask him if there is some software he can implement to make this less of a concern.  

3) Some of the posts could not be opened - they just went off to 'page not found' eg "_^2,*2^_"

4) Our profile pages are still appearing on the 'Answer' page.

I think that is it for this evening.

Enjoy the rest of your Thursday/Friday.

Melody     

Here is a unique view of semantics Expression(s)