2 years ago

Write an equation to represent each function.

Mathematics

1 answer:

gladu [14]2 years ago

8 0

Answer:

y = 12x

Step-by-step explanation:

(0, 0)

(1, 12)

Use the slope formula:

y2 - y1/x2 - x1

12 - 0/ 1 - 0

= 12

It passes through the origin so there is no y-intercept.

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Step-by-step explanation:

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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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The second option

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1 year ago

Two lines, a and b, are represented by the equations given below:

professor190 [17]

Answer:

-5,-11 because it satisfies both equations

Step-by-step explanation:

Plug -5 into both equations and you get -11

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