APatel

15            13.2

----    =    --------

100             x

Cross Multiply...

15x = 1320

Divide Both Sides By 15

X=88

So 88%

Oh wait nvm.

SOLUTION:

We note that j(x) is defined unless one or more of the denominators x+8, x^2+8, x^3+8 is equal to 0.
 

We have x+8=0 if x= -8, x^3+8 and if x= (cube root of -8)= -2. There is no real x for which x^2+8=0. Therefore, the domain of j(x)consists of all real x except and -8 and -2. As a union of intervals, this is...

(-∞ ,-8)∪(-8,-2)∪(-2,∞)

Oh right... Thank You

Sorry for the inconvenience, but your answer, 30, is incorrect.

I looked through your great explanation to see if I can figure out what you did wrong, but I came out empty-handed. I you please try again, I would be very thankful. 

Again sorry.

First find each day's ratio...

Mon.

15:7

Tues.

18:9

Wed.

14:14

Thurs.

15:6

Fri.

9:19

Now simplify each

Mon.

15:7

Tues.

1:2

Wed.

1:1

Thurs.

5:2

Fri.

9:19

 Then you can tell it is Thursday.

Is It Hard? Now You Know How I Feel. I'm Only A Sixth Grader! And I Get All These Hard Questions!

all right triangles

density = mass/volume

It means that a number has an exponet

for example - 2^2 = 2²

If you know my grammar is messed up, why don't you know what 1+1 is and 1*1 is?