Answer:
They are both right becuase if you just take away 1 from 20 and 10 you get 2 and 1. For the 4:2 one take away 1 and mutiply by 2 equalling 4:2 but they are still the same thing.
Step-by-step explanation:
Answer:
y = 35x
and 350
Step-by-step explanation:
This problem's quite similar to the last question with the only difference being the 2nd row changed
So I <em>think </em>that the answers should be the same
Hello do 9+46=684 there you go to find sum 69
I am doing with Question Number 2
Let the two numbers be 'x' and 'y'.
According to the question, the product of two numbers is 14.

So, xy=14 (Equation 1)
Now, one of the numbers is 3 ½ times the other.
So, 
(Equation 2)
Substituting the value of 'x' from equation 2 in equation 1, we get



So, y= 2 and -2
So,
and 
x=7 and -7
Numbers are 2,7 and -2,-7.
Sum of numbers 2 and 7 = 9
Sum of numbers -2 and -7 = -9.
Answer:
15 joules
Step-by-step explanation:
SUBTRACT 3 FROM 18
18 JOULES-3 JOULES=15 JOULES
HOPE IT HELPS