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attashe74 [19]
3 years ago
10

A 10-ounce box of cereal sells for $3.30. A larger box advertises, "10% more-free!" and sells for the same price. What is the co

st per ounce of the
larger box?​
Mathematics
1 answer:
sergij07 [2.7K]3 years ago
7 0

Answer:

30 cents

Step-by-step explanation:

The box would have 11 oz. (10x1.1)

$3.30/11=30cents

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The complete question is;

when graphed on a coordinate plane, Bumby avenue can be represented by the equation y = -4x - 7. Primrose Avenue can be represented by the equation 8x + 2y = 17. Are these two parallel?

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Option D: They are not parallel because their slopes are opposite reciprocals

Step-by-step explanation:

Bumby avenue is represented by the equation y = -4x - 7 while Primrose Avenue can be represented by the equation 8x + 2y = 17.

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Where m is the slope and c is the y - intercept.

This means the slope of bamby is - 4 while that of Primrose is 8.

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Now, -4 is an opposite reciprocal of 8/-2.

But an opposite reciprocal means that both lines on the graph are perpendicular to each other.

Thus, option C is wrong because they are not parallel.

So correct option is D.

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