Answer:
1273.4
Step-by-step explanation:
1273.39
thousands, hundreds, tens, ones . tenths hundredths
We are rounding the 3 so we look at the 9
9 is greater than or equal to 5 so we will round the 3 up
1273.4
Answer: x=3/4 x=-4
Step-by-step explanation:
(4x-3)(x+4)=0
4x-3=0
4x-3+3=0+3
4x=3
Divide both parts of the equation by 4:

x+4=0
x+4-4=0-4
x=-4
Answer:
y = -2.5x + 5
Step-by-step explanation:
10x + 4y = 20
Subtract 10x from both sides.
4y = -10x + 20
Divide both sides by 4.
y = -2.5x + 5
Answer:
-x-3y
Step-by-step explanation:
-5x+6y-9y+4x
-5x+4x+6y-9y
-x-3y