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iragen [17]
3 years ago
14

Someone please help me quick because I’m really confused and it you can can you explain it

Mathematics
2 answers:
tekilochka [14]3 years ago
8 0

\bf \begin{array}{ccll} apps&seconds\\ \cline{1-2} 8&12\\ x&60 \end{array}\implies \cfrac{8}{x}=\cfrac{12}{60}\implies \cfrac{8}{x}=\cfrac{1}{5}\implies 40=x \\\\[-0.35em] ~\dotfill

\bf \begin{array}{ccll} miles&seconds\\ \cline{1-2} \frac{1}{10}&\frac{1}{2}\\\\ x&1 \end{array}\implies \cfrac{~~\frac{1}{10}~~}{x}=\cfrac{~~\frac{1}{2}~~}{1}\implies \cfrac{~~\frac{1}{10}~~}{\frac{x}{1}}=\cfrac{1}{2} \\\\\\ \cfrac{1}{10}\cdot \cfrac{1}{x}=\cfrac{1}{2}\implies \cfrac{1}{10x}=\cfrac{1}{2}\implies 2=10x\implies \cfrac{2}{10}=x\implies \cfrac{1}{5}=x

kogti [31]3 years ago
7 0

Answer:

4.) 40 Apps can be downloaded in 1 minute

5.) 0.2 or 2/10 of a miles can be traveled in 1 second

Step-by-step explanation:

4.)

So 12 seconds is = to 1/5 of a minute

So the question asks for 1 minute

This means that we need to perform 1/5 *5 to get 1 minute

If we multiply 5 to 1/5 minutes, we also need to multiply 5 to the apps

8 * 5 = 40

So that is how we solved the answer.

So DeAndre can download 40 Apps in 1 minute.

5.)

So he traveled 1/10 miles in 1/2 or 0.5 seconds.

This means we can multiply the seconds by 2 to get 1 second.

0.5 * 2 = 1

If we multiply the seconds by 2 we also need to multiply the miles traveled by 2.

So (1/10) * 2

The 2 can be rewritten as (2/1) because 2/1 is the same as 2

(2/1) * (1/10)

So we multiply straight out and get 2/10 miles traveled which can be simplified to 1/5 miles traveled.

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