Answer:
The third option is a function
Step-by-step explanation:
A function is a relation in which every x value is paired with exactly one y value, meaning that x values cannot repeat within a relation. The 1st and 4th options have repeating X's, and the 2nd option does not have ordered pairs, only integers.
Answer:
Step-by-step explanation:
Since, the radius of the balloon 4 days ago = 5,
⇒
Now, if the radius is decreased by 0.5 cm each day,
Then the current radius of the balloon = 5 - 4 × 0.5 = 5 - 2 = 3 cm,
⇒
Thus, the ratio of the current volume of the balloon to the volume of the balloon 4 days ago
⇒ Option A is correct.
Your goal of this problem is to find the total amount of cards and stamps and then subtract 35 stamps from that number.
To do this, you first must find your total stamps.
3 binders x 25 stamps = ________ Total Stamps
Now find your total cards.
5 binders x 24 cards = ________ Total Cards
Now take these two totals and add them to find your grand total of items.
______ Total Cards + _______Total Stamps = ________ Grand Total
Now take your grand total and subtract 35 from it to find your answer.
_______ Grand Total - 35 stamps = _______Answer!!! :)
First, find the common denominator, which in this case, would be 24, so 5/8 turns into 15/24 and y+2/12 turns into 2y+4/24. Then, because they both have the same denominator, they cancel each other out so the equation is simplified to 2y+4=15. Then, you subtract 4 from both sides of the equation and get 2y=15. Finally, you would divide both sides by 2 and end up with y=7.5