What is the function y=-(x+2)(x+9) in vertex form?
1 answer:
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Answer:
The cost of 12 trading cards are less than $12 so we can say that unit price of the card is lesser than $1.
Unit price per card is $0.46.
Step-by-step explanation:
Given:
Cost of 1 package of trading card = $5.52
Number of trading card in a package = 12
We need to explain how can we tell that the unit price per card is less than $1.
Also We need to unit price per card.
Solution:
Now we can see that;
Cost of 1 package of trading cards is $5.52
And we know that;
1 package contains 12 trading cards.
It means that;
Cost of 12 trading cards is $5.52.
From above we can say that;
If the cost of 12 trading cards were $12 or more than $12 than we would say that unit price of the card is $1 or greater than $1 respectively.
But the cost of 12 trading cards are less than $12 so we can say that unit price of the card is lesser than $1.
Now we will find the unite price per car.
12 trading cards =$5.52
1 trading card = Cost of 1 trading card.
Using Unitary method we get;
Cost of 1 trading card =
Hence Unit price per card is $0.46.
Here you go!! It's always best to graph these questions, if you have graph paper near.
If not there are online graphing websites to use!! :))
ANSWER: Choice D (4th answer)
If not there are online graphing websites to use!! :))
ANSWER: Choice D (4th answer)