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WHAT AREYOU TALKING ABOUT!!!!!!!!!!!!!!!!!!!! 999999999999

49 hello

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x^2 + 10x = 12    subtract 12 from both sides

x^2 + 10x - 12 = 0      using the quadratic formula, x ≈1.0828     and x ≈ -11.083

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x^2 + 10x = 12, it has the following values of x:

x = -5-sqrt(37)  and  x = sqrt(37)-5

This is known as a "see-saw" problem

8 * 10  = 4 * x

80  = 4x   divide both sides by 4

20 = x   =   the number of hours it takes 4 men

3 and 6

P = 11t     where t is the number of teams and P is the number of players.....here's  a graph......

https://www.desmos.com/calculator/3ht5qqwls0

You see a bunch of lines at very top right-hand corner? Press that and you will see a drop-down list. Then select "fractions". Good luck.

[4*30+5]/[17+8]  =

[120 + 5] / [25]  =

125/ 25

5

Well now, that depends on what level you are asking.

How about 

A car travels between two towns at an average speed of 50 km/hours and returns at an average speed of 100km/hour.

What is the average speed overall?       :)

7 * 7 = 49                         

4(30+5) /(17+8)

Close enough

Here's another approach

16^2*(16^-3)^2*4^38

--------------------------- = 16^x                 what is x

(16^(-1)*2^12)  

Notice that    2^12   = (2^2)^6  = 4^6   

And   4^38 / 2^12 =   4^38 / 4^6   =  4^32 =  (4^2)^16  =   16^16 .....  so we have

[16^2  * [ (16)^(-3)]^2 * 16^16]  /  16^(-1)   =

[16^(2) [16^(-6) * 16^16] / 16^(-1)  =

16^(12) / 16^(-1)  =

16^13     so  x must = 13

Hi!  :D

10 X  3.1415926.......=31.415926..........etc.

pi = 3.14 (Approx

3.14*10 = 31.4 (Approx

pi = 3.14 (Approx

3.14*10 = 31.4 (Approx

GET A LIFE  

All the factors of 432=2^4 X 3^3

let us set the the two numbers as: x and y, so we have,

x + y=84, so x=84 - y

x=3y, we substitute,

84 - y=3y

84=4y

y=84/4

y=21 and x=21 X 3=63
 

u/5=-26   multiply both sides by 5

u = -26(5)   = -130