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3 years ago

Please look at the picture;; I thought it was Y=7x-48 and I’m not sure what to do

Mathematics

1 answer:

erica [24]3 years ago

3 0

9514 1404 393

Answer:

y = 7x -48

Step-by-step explanation:

Your answer is correct. You just need to write it in the box without the "y =".

The 2-point form of the equation for a line is ...

y = (y2 -y1)/(x2 -1x)(x -x1) +y1

y = (8 -(-6))/(8 -6)(x -6) +(-6)

y = 14/2(x -6) -6

y = 7x -42 -6

y = 7x -48

You probably want your answer to look like ...

$y=\boxed{7x-48}$

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Mold grows on bread and every day it doubles by the eighth day the entire bread is covered with mold when was half the bread cov

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Answer:

The mold will cover half the area as much are one day before it.

Step-by-step explanation:

Given:

Every day the mold on bread grows doubles

And by 8th day entire bread covered with it.

To Find:

When was half the bread covered by mold.

Solution:

It is said that area covered by mold doubles on each day

Total days taken to cover entire bread are 8

Let Area of bread be A

So Area covered (A) corresponds to 8 days with doubling.

So on previous day it should What ever area on 8th day/2

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Similar on 6th day A(7)/2

So on 5ht day =A(6)/2 ,4th= A(5)/2, on 3rd= A(4)/2, on 2nd=A(3)/2

On 1st =A(2)/2

So we required Area= half of total.

<em>One day before the 8th day will be 7th day</em>

<em>on that day it will cover half are so that on next day will cover the double of the previous area consumed.</em>

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Answer:

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