F(x) = 8 - 4x has one solution.

Mathematics

2 answers:

Phantasy [73]3 years ago

6 0

Answer:

it is NOT "x". The answer is "N"

Step-by-step explanation:

Serhud [2]3 years ago

5 0

Answer:

Step-by-step explanation:

A polynomial of degree n appears to have<u> n </u>solutions.

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The price of a cup coffee was 2.40 yesterday. Today, the price fell to 2.15 find the percentage decrease. Round the answer to th

irakobra [83]

ANSWER

The percentage decrease is 10.4%.

EXPLANATION

To calculate percentage decrease, use the formula,

Percentage decrease

$= \frac{new \: price - old \: price}{old \: price} \times 100\%$

Yesterday the price of coffee was 2.40. This is the old price.

Today the price is 2.15. This is the new price.

$= \frac{2.15 - 2.40}{2.40} \times 100\%$

$= \frac{ - 0.25}{2.40} \times 100\%$

$= - 0. 10416667 \times 100\%$

$= - 10.416667\%$

To the nearest tenth, we have:

$- 10.4\%$

Therefore the percentage decrease is 10.4%.

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3 years ago

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