3 years ago

2. Which postulate or formula must you usa

Mathematics

1 answer:

stepan [7]3 years ago

7 0

You need to do BEDMAS.

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Y=-x+3 y = -2.x +7 = 5.

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Step-by-step explanation:

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Solve for X. Round your answer to the nearest tenth.

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Reagan and Nathan are 40 miles apart on a bike trail when they start pedaling toward each other on their b bicycles. Reagan ride

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Answer:

They meet in 2.22 hours.

Step-by-step explanation:

We can find the time at which Reagan and Nathan meet by equaling the time as follows:

$v_{R} = \frac{x_{R}}{t}$

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$v_{N} = \frac{x_{N}}{t}$

$x_{N} = v_{N}t$ (2)

Where R is for Reagan and N for Nathan.

Knowing that:

$x_{R} + x_{N} = 40 mi$

By adding equations (1) and (2) we have:

$x_{R} + x_{N} = v_{R}t + v_{N}t$

$t = \frac{x_{R} + x_{N}}{|v_{R}| + |v_{N}|} = \frac{40 mi}{8 mi/h + 10 mi/h} = 2.22 h$

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I hope it helps you!

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3 years ago

Read 2 more answers

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using Pythagorean theory.

equate it to the hypotenus.

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