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You just have to outdo me - don't you.

Typical male - what a show off      !!!!       :))))) 

There is a "how do I type fractions" thread in the sticky notes.  Look there :)

I don't memorise those ratios.  I have 'memorised' this triangle.

It is an equilateral triangle of side length 2 that has been split down the middle.

You can 'see' that cos 30 = sqrt3/2

Yep.....

Yep it really is that simple :))

No...the sine of 30 (degrees) = 1/2  !!!

10*cos(30) = about 8.66

Yes i thought that too :)

Sounds yummy don't you think CPhill?

"Fawn Dos".....sounds kind of cheesy.....

She looks tasty but she is virtual so she'd taste like virtually nothing.  :(((

Pity - looking at her makes my mouth water.  She looks easy to catch too  :((

Mama, you do have a delectible baby :)))

Each 9th of the book's price must be $1.60

And he needs 7 more

So.....7 x 1.60 = $11.20

$3.20 is 2/9  so

$3.20/2=$1.60 is 1/9 so

$1.60*9=$14.40 is 9/9

Oh I didn't need to know that :)

I have 2/9 so I need 7/9 then I will have the whole lot

$3.20/2=$1.60 is 1/9 so

$1.60*7=$11.20

He needs another $11.20

OR I could have said

$14.40-$3.20=$11.20

The meaning of the question is very unclear.   

Uh....7 hours ???

The numbers 2, 5 and 6 all need to be multiplied by one more power to form a perfect square of products.

Thus....  2 x 5 x 6 = 60

√[2^9 * 3^14  * 5^15 * 6^3 * 60] = √[2^10 * 3^14  * 5^16 * 6^4] = 984150000000

I bet this baby llama is tasty! I don’t have any baby llama recipes, though.

I do have baby dear recipes; I call them “fawn dos.” 

Yum!

It means "to the power of". Used for exponents. For example 4^2 would be the same as $${{\mathtt{4}}}^{{\mathtt{2}}}$$

Very nice, geno.......I was gonna' look at this one.....but when I saw all those parentheses.....uh, no.......now, after seeing your answer, I realize it's not as bad as all that.....

There are two ways that I can think of:

1)  Graphing:  answers  =  1.0897554  and  3.9102446

2)  Quadratic formula:    ((7+(4*(3^(1/2))))^(t^2-5 t+5))+((7-(4*(3^(1/2))))^(t^2-5 t+5))=14

      Notice that, on the left side, you have two equal terms, the equation can be reduced to:

       2*((7-(4*(3^(1/2))))^(t^2-5 t+5))=14

      which becomes:  (7-(4*(3^(1/2)))^(t^2-5 t+5)=7

      Take the log of both sides:  log(7-(4*(3^(1/2)))^(t^2-5 t+5)  =  log(7)

       --->   (t^2-5 t+5) * log(7-(4*(3^(1/2)))  =  log(7)

       --->  (t^2-5 t+5)  =  log(7) / log(7-(4*(3^(1/2)))

       --->  t^2-5 t+5  =  0.9774385152

       --->  t^2-5 t+ (5 - 0.9774385152)  =  0

       --->  a = 1,  b = -5,  c = (5 - 0.9774385152)

       Placing these values into the quadratic formula gives the same results.

really? its not that tricky? hahaha thanks ! i'm thinking too much i guess thanks :)

Yes!

Peruvian llama steaks taste great. Yummy Mmmm

Not like Peruvian guinea pigs. They really are not worth the effort.  

Don't worry mama and buba.

I won't allow anyone to eat any forum llamas   

They would be virtually tasteless anyway  

I look so pretty

The probability will be  .09 x .09  = .0081  = .81 %

PEMDAS is correct, Parenthesis, Exponents, Multiplication and Division (left to right), and finally Addition and Subtraction (left to right).

Another way to remember it is Please Excuse My Dear Aunt Sally. 

Llama on!

MamaLlama 

I truly enjoy llama. My favorite is Peruvian Llama Casserole.

The trick is to feed the llama large amounts of papaya for about three weeks before slaughtering, then make sure it is fully bleed out before butchering.This makes it very tender.

Prepared properly this is true gourmet fare.

Obtuse angle (obtuse angle), is an angle that greater than the right angle (90 °) is smaller than a straight angle (180 °) . Obtuse angle is formed by two rays.(180>x>90)

 so 180>9x+27>90 

     20>x+3>10 (both side divede by 9)

     17>x>7

 so it could have three  anwser B 12.3 , C 16.9  A.7.1

 but assume you typed the question wrong it,s an acute angle  refers to an angle that  greater than 0 ° but less than 90 ° 

 so 90>27+9x>0

     63>9x>-27

    7>x>-3

 then , there is only one anwser  D 6.8

is it right?