Let Sydney's age be x
Christine's age is 2x
Sum of their age is 54
x + 2x = 54
3x = 54
x = 18
Sydney is 18 years old.
Answer:i think its 183
Step-by-step explanation
1560 devided by 85= 18.3 but just take away the decimal
Answer:
8
Step-by-step explanation:
6(6)-20-32(1/4)
36-20-8
16-8
8
The exact answer is 12 root 2, but you can also say approximately 17.
I got this by finding the square root of 369, and then 81. After finding these values, you get the equation...
a^2 + 9^2 = 369
a^2 + 81 = 369
a^2 = 288
And then I just found the square root of 288
Answer:
Step-by-step explanation:
