Answer:
i think it's A if I'm wrong then wow
Answer:
Step-by-step explanation:
hello :
the system is : x+ y =4 ...(*)
2x - y = -1...(**)
add(*) and (**) : 3x=3 so : x=1
put this value into (*) : 1+y=4 so : y=3
one solution : (1 , 3)
Answer:H2+Br2-->2HBr
Step-by-step explanation:
The amount of atoms on the left side must be equal to the amount of atoms on the right side for each element.
On the left you got 2xH and 2xBr.
This means you must have the same amount on the right.
2HBr =2xH + 2xBr
Hello there,
The word "product" mean's to multiply.
So we are going to do 5 x 10.
This will give us 50 because when we do
10+10+10+10+10 is give's us 50. That is
what multiplication mean's.
Hope this helps
Your correct answer will be 50 card's
~Jurgen