math
posted by wan .
as well as addition,subtraction,division and multiplication.Sally invents the operation Q. when you see Q between two numbers,you double the sum of their squares. The value of 5Q12 would be ?

2(5^2+12^2) = 2*169 = 338
Respond to this Question
Similar Questions

math
115100+3*5= 115100+3*5...Use BEDMAS (Bracket, Exponent, Division/Multiplication, Addition/Subtraction). So you would first do 3*5 which is 15. So you'd have: 115100+15 And then from there solve to get 30. It's PEMDAS Raj!! P  PARENTHESSE … 
Math
using the numbers 241272...in any addition subtraction division or multiplication combination, i have to come up with the sum of 24. Help. 
Very easy math
my teacher told me that the inverse of addition was subtraction and that the inverse of subtraction was addition... could you prove it to me x = (1)x ((1)x)^1 I don't see how I'm suppose to get + x by taking the inverse of x i've … 
6TH GR. ALGEBRA
EXTENDING THE LESSON If you add any two rational numbers, the sum is always a rational number. So, the set of rational numbers is closed under addition. Is the set of rational numbers closed under subtraction. multiplication,and division … 
math
How can you make 34 by only using the digits 1, 2, 3, and 4? 
math
How can you make 7 by only using the digits 1, 2, 3, and 4? 
math
What inverse operation is needed for the first step in solving the equation 12+5x=22? 
math
using exactly four 4s and only addition, subtraction, multiplication, and division, write an expression that equals each of the numbers from 1 to 10. you do not have to use all the operations, and numbers such as 44 are permitted 
Algebra
To solve the following system of equations by elimination, which operation would you perform first? 
Math
Using two examples for each operation (addition, subtraction, multiplication and division), use two fractions which will equal 2/5.