Well lets look at this
First figure out: How many milliliters are in a liter: 1000
Ok now you need half a liter so how would you figure out how many milliliters that is?
Divide by 2: 1000 ÷ 2 = 500
So 500 milliliters are needed for half a liter
There are 180 degrees total in a triangle and the tell you one angle is 90. So you solve the equation 4x+6x=90. So x=9
You combine like-terms hoped that help
Answer:
observational study
Step-by-step explanation: