dannibite23
dannibite23 dannibite23
  • 15-04-2016
  • Mathematics
contestada

if
4+4 =20
5+5=30
6+6=42
7+7=56
then
9+9=?

Respuesta :

jefreyperez
jefreyperez jefreyperez
  • 15-04-2016
9+9=90 i hope its right.
Answer Link
killercroc
killercroc killercroc
  • 15-04-2016
9+9= 72 first they added 12 then added 14 then i added 16 and got 72 

hope this helped 

Answer Link

Otras preguntas

how do I solve m=y2-y1/x2-x1, solve for y2?
Donnel practiced the piano 3 hours longer than Marcus. Together they practiced the piano for 11 hours. How many hours did each boy practice??
4(5n-7)=10n+2 9(x+3)=4x-3
Which events led to change in Europe and Asia during the late Middle Ages? Choose all answers that are correct. a. Fewer people lived in cities or towns, so fa
the most common cause of desertification is
The midpoint of sm is (5,-11). One endpoint is S(3,5). What are the coordinates of endpoint M?
You are traveling down the interstate averaging 50 mph. How much time has passed when you have traveled 120 miles?
If a is an integer, when is a/b always equal to an integer?
Complete the pattern 6,500,000 65,000
What is 12r-8-12 when combining like terms?