THIS QUESTION IS WORTH 33 POINTS!! PLEASE PLEASE HELP ME

Mathematics

2 answers:

3241004551 [841]3 years ago

6 0

It's less than a whole number like 2/1 times 1/2 is 2/2 or 1

emmainna [20.7K]3 years ago

5 0

Product means multiply, so multiplying a fraction and a whole number is like this:

3/4 * 4 = 3

Whatever you do, the fraction will always be less than the initial whole number.

#1 is your correct answer.

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3 years ago

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3 years ago

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4 0

2 years ago

Applying Rate of change

olga nikolaevna [1]

$\bf \begin{array}{ccllll}
minutes(x)&Mbs\ left(y)\\
-----&-----\\
2&38.4\\
8&9.6
\end{array}\\\\
-----------------------------\\\\
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\impliedby \textit{rate of change}
\\\\\\
m=\cfrac{9.6-38.4}{8-2}\implies m=-\cfrac{24}{5}\iff m= -4.8$

now, notice, the rate of change for downloading is negative, because, "y" is decreasing, namely the Mbs to be downloaded, are less and less and less as the minutes go by, because the file is almost fully downloaded

so is -4.8

now... at 8minutes, there are 9.6Mbs to download
bear in mind that 9.6 is just 4.8 * 2
that simply means, another minute, another 4.8 Mbs, and another minute and another 4.8 Mbs and the file is done

so, the file downloaded really in 10minutes

now, we know the rate is -4.8 or -24/5, let us nevermind the sign for now

since we know the file is downloading at 24Mbs in 5minutes, a rate of 24/5

how much is it for 10 minutes? well 10 is really just 5 * 2

so if it downloads at a rate of 24Mbs per 5mins, in 10 minutes it downloaded 24*2 or 48Mbs

7 0

3 years ago