Answer:
Identity element property
Step-by-step explanation:
The property that justifies the step 3 is the identity element property.
Mathematically, the identity element is that number such that performing an arithmetic operation such as addition or multiplication with the number gives back the number we started with
For addition, the identity element is 0
while for multiplication, the identity element is 1
Answer:
B. Ethan is correct because all proportional relationships form a straight line and go through the origin and linear functions are linear, but they don’t all go through the origin so they are not always proportional.
Step-by-step explanation:
So a proportional relationship is just a special kind of linear relationship, i.e., all proportional relationships are linear relationships (although not all linear relationships are proportional).
Answer:
2x+7y
Step-by-step explanation:
<u>3x</u>+5y<u>-x</u>+2y =
<u>3x-x</u> = 2x
5y+2y = 7y
3x+5y-x+2y = 2x+7y
We want to divide whole sand into scoops, so we have to divide 4/5 by 1/20. Lets do this
We know that if we want to divide 2 fraction we can multiply first by inverse of second fraction instead of dividing.,so:
scoops - its our result.
Answer: T=1/2 Y + -5/2
Step-by-step explanation:
y=2t+5
2t+5 +-5= y +-5
2t=y-5 2t/2=y-5/2
t=1/2y+-5/2
= t=1/2y + -5/2
