Answer:
$0.80
Step-by-step explanation:
-3 (1x + 1y = 3.2)
3x + 1y = 8
----------------
-3x - 3y = -9.6
+
3x + 1 y = 8
-------------------
0x -2y = -1.6
÷ -2
-----------------
y = 0.8
one hamburger costs $0.80
Answer:
4.344
Step-by-step explanation:
Multiply.
Hello! You can answer this question by using the distributive property. Basically
a(b+c) = a(b) + a(c)
Let's apply it to this expression:
5x(x-4)
=5x(x)-5x(-4)
Answer:
0.8646
Step-by-step explanation:
The digit in the hundred-thousandths place is 9, so is greater than 4. That means the digit in the ten-thousandths place is increased by 1 when the number is rounded.
0.864595 rounds to 0.8646