3 years ago

A 2-yard piece of ribbon costs $8.46. What is the price per foot?

Mathematics

1 answer:

pogonyaev3 years ago

6 0

Answer:

1.41 per foot

Step-by-step explanation:

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Answer:

See explanation

Step-by-step explanation:

Assuming the given polynomial is

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We then rewrite in decreasing powers of u, to get:

$- 7 {u}^{3} + 12 {u}^{2} + 3u + 1$

The leading term is

$- 7 {u}^{3}$

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2 years ago

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Answer:

X = 9 or x = -9

Step-by-step explanation:

We want to solve the quadratic equation

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We shall use the square root method

Let us add 4 to both sides to get:

${x}^{2} - 4 + 4 = 77 + 4$

${x}^{2} = 81$

We take square to get:

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