Answer:
2) 2
Step-by-step explanation:
Subtract each equation from each other
x + 2y = 9
<u>-x+ y = -3</u>
<u>3y </u>= <u>6</u>
3 3
So y = 2
Answer:
3
Step-by-step explanation:
Answer: c > 20
Step-by-step explanation:
add ten to both sides
After you have multiplied but you have all these numbers, look to see how many decimal places the numbers you have multiplied.
Lets say you multiply:
23.45
x 2.1
= 49.245
Because your first number had 2 decimal places and your second number had 1 decimal place you add that and that is how many decimal places your product has. In this case there is three.
