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3 years ago

A slow burning candle will burn 1.5 inches in 40 min how many inches will the candle burn in 4 hours

Mathematics

1 answer:

Semenov [28]3 years ago

8 0

9 inches

4 hours = 240 minutes
240/40 = 6
1.5 * 6 = 9

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How to solve this problem step by step. Make brainliest answer if its done. Please

sladkih [1.3K]

D is halfway between A and B

so the coordinates of D are (2,2)

E is halfway between A and C so the coordinates of E are (-1,1)

now you need to find the gradient/slope of DE and BC using the formula:

$\frac{y2 - y1}{x2 - x1}$

<h3>Gradient of DE: </h3>

SUB IN COORDINATES OF D AND E

$\frac{1 - 2}{ - 1 - 2}$

therefore the gradient of DE is 1/3.

<h3>Gradient of BC:</h3>

SUB IN COORDINATES OF B AND C

 $\frac{ - 2 - 0}{ - 3 - 3}$ 

therefore the gradient of BC is -2/-6 which simplifies to 1/3.

<h3>therefore, BC and DE are parallel as they both have a gradient/slope of 1/3 and parallel lines have the same gradient</h3>

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Assoli18 [71]

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Step-by-step explanation:

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3 years ago

How do I graph y=-6/5x

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Step-by-step explanation:

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