Answer:
Step-by-step explanation:
Yes a function because passes vertical line
Domain: (-3,2)
Range: (-5,4)
Round brackets because the value is not inclluded via a closed circile (we have a open ciricle in the question)
IF I remember correctly:
A circle is 360 degrees.
360-280=80
Y=80
110 80
—- • ——
7 x
Cross multiply
110x=560
X=approximately 5.1
Plz don’t report I’m not sure if I did it right.
Only use this as a last choice or if u have several try
Answer:
The cost of hardbook is $9 and cost of paperback is $5.
Step-by-step explanation:
Let x be the price for hardback book and y be the price for paperback book.
Mr. Yamamoto purchased 42 new hardcover books and 64 new paperback books, which cost a total of $698.
We can write the equation as:
He also purchased 42 new hardcover books and 58 new paperback books, which cost a total of $668.
We can write the equation as:
We have to use the elimination method to solve the two equations.
We eliminate x by subtracting the two equations.
Thus, the cost of hardbook is $9 and cost of paperback is $5.
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