Answer:
Step-by-step explanation:
[−1,1] and [0, ]
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Write the expression (4x-2)•(2x+7) in the standard form of a quadratic expression, ax squared +bx+c. What are the values of the
1 answer:
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Combine like terms on the right side:
Add 9 to both sides:
Divide both sides by 5 to get x by itself:
The value of x is 7.
Add 9 to both sides:
Divide both sides by 5 to get x by itself:
The value of x is 7.
It is given that the cost price of the MP3 player is $60 and the selling price is $105.
The markup is given by the formula:
Markup =
=
= 1.75 × 100
= 175%
Yes, the classmate is correct.
Hence, the markup is 175% and the classmate is correct.