2 years ago

The graph below shows distance to time for one of Anna's swimming races. What is Anna's average speed.

Mathematics

1 answer:

DedPeter [7]2 years ago

7 0

Answer:

Step-by-step explanation:

In this case, on each coordinate point, distance/time = 2.

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Okay, here we have this:

Considering the provided information, we are going to calculate the requested value, so we obtain the following rule of three:

$\begin{gathered} \frac{x}{35mL\text{ of water}}=\frac{250g\text{ of plaster}}{100g\text{ of plaster}} \\ x=\frac{250g\text{ of plaster}}{100g\text{ of plaster}}\cdot35mL\text{ of water} \end{gathered}$

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Finally we obtain that 87.5mL of water should be used for 250g of plaster.

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