Question

I need help with this questions.

Answer 1

#10 )  6/x = 5/11       OR     6/x = 9/19.8  

           5x = 66                   9x = 118.8

             x = 13.2                    x = 13.2

#11  )  original photo is 5 inches by 7 inches, multiply that , = 35 ( area of original photo )

new photo is "3 times larger" so 5 become 15 and 7 become 21 , multiply that which gives you 315 (area of enlarged photo )

take the enlarged photo's area divided by the original photo's area which gives you 9

#12 )   6/8 = x/12

            72 = 8x

               9 = x

#13  )   set equal to find segment TR :  4/10 = 6/x

                                                                   4x = 60

                                                                      x = 15

then find the perimeter of triangle by P = a + b + c

                                                              P = 10 + 12 + 15

                                                              P = 37