3 years ago

Solve for r. 42<6-3r<_24 Pls help it’s due today

Mathematics

1 answer:

Alika [10]3 years ago

7 0

Answer:

r < -12 and r > -6

Step-by-step explanation:

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Solve the following systems by the addition method 4x - y =3 2x+3y = 18

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Hello :
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3 years ago

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Korolek [52]

Answer:

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2 years ago

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Sveta_85 [38]

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3 years ago

Read 2 more answers

A person breathes 2.5 x 10^-4 in about cubic meters of air per second. How long does it take to breathe in 2.5 cubic meters of a

Ipatiy [6.2K]

Answer:

10⁴ seconds

Step-by-step explanation:

Given that,

A person breathes $2.5\times 10^{-4}$ in about cubic meters of air per second.

We need to find time taken to breathe 2.5 cubic meters of air.

In 1 sec = $2.5\times 10^{-4}$ m³ of air breathe

Let in x seconds, 2.5 m³ of air taken by the person.

$x=\dfrac{2.5}{2.5\times 10^{-4}}\\\\x=10^4\ s$

Hence, in 10⁴ seconds 2.5 m³ of air is taken by the person.

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3 years ago