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3 years ago

Can you show me how to do the problem pleaseq

Mathematics

2 answers:

Masteriza [31]3 years ago

5 0

2.0076* 10^4

move the decimal 4 places to the right

20076.

20076 < 26970

Virty [35]3 years ago

4 0

When you move it to the right 4 times, it becomes 20,076 which is less than 26,970.

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3 years ago

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Let x represent time spent in running.

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$\text{Distance}=\text{Speed}\times\text{Time}$

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Eudora took one of her jet-packs and flew to her school at an average speed of 76 km, so distance covered by jet-packs would be $76(2-x)$ .

We are told that Eudora traveled a total distance of 120 km. We can represent this information in an equation as:

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$-64x+152=120$

$-64x+152-152=120-152$

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Divide both sides by $-64$ :

$\frac{-64x}{-64}=\frac{-32}{-64}$

$x=0.5$

Therefore, Eudora spent 0.5 hours in running.

Upon substituting $x=0.5$ in expression for time spent in flying jet-packs, we will get:

$2-x\Rightarrow 2-0.5=1.5$

Therefore, Eudora spent 1.5 hours flying using her jet-pack.

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