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Are you still there trying to figure out the problem and if you are thank you again!!

40% off  means that everyting is worth 60%  of its original price

y = .60x

Omgosh ty so much I really do apreaciate it!!!!!!!!!!!!!!!!!!!!!!!!

Hey, Im here to help, give me a few ill be back in a bit with the soultion 

240 = (1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240) > 20 (divisors)

We  know  the adjacent side  to the angle and we are looking for the opposite side (the height)....so we have :

tan 50°  =   opp  / 61     multiply both sides  by  61

61 *tan 50°   =  opp   ≈  72.7 ft

8 

This has been asked before

a)  We could have two primes that divide the integer 

Suppose that the number can be prime-factored into  a^m * b^n

So

(m + 1) ( n + 1)  =  20

And  m, n    could be  (in some order)   

3, 4  or

1, 9

b )   We could have three primes that divide the integer

Suppose that the integer  can be prime-factored into  a^k * b *m * c ^n

So

(k + 1) (m + 1) ( n + 1)  = 20

And k, m, n   could be  (in some order)

1, 1, 4

Credit to CPhill for answer

You guys are being unfair, this is a help section after all. 

The answer to 3 is\({x=-(((tx)/6)), x=-(((sqrt(26)*i-3)/5)), x=((sqrt(26)*i+3)/5)}\) if im not mistaken

how may tables were there?

That's some never right there.

Y = (x+3)^2 -5            Vertex = -3,-5     symmetry axis    x = -3 

Well then....YOU solve them and don't cheat!

13 P 3  =  1716

Answer:

Here is a start.....   the last column    has to equal 1/9   (which is 11 1/9 %)

    so it could be   

4

4

1

3

5

1

9

7

2

8

8

2

etc ......      then ya just have to work around with it.....it will take some time....

D is the answer. 

If 1 is to 15

2 is to 30

4 is to 60

so 5 must be to 75

y=(5/3)

x=(-20/3)

Start in upper left corner where 3 is      this can only   be 1   2    3    because the total can only go up to 9      33% of 9 = 3

    start with that.....then the square below become 6     so the total = 9

       then work across   60% of what = 3      60% of 5 = 3    so the upper right becomes  2      (2+3 =5)

             then work the bottom row    etc  

Thanks very much! I think i get it now! 

and could you help me on this harder one plz #7

Thank you how did you get that answer?