3 years ago

Simplify 5p/3q + 4p^2/q

Mathematics

1 answer:

Amanda [17]3 years ago

8 0

The answer is 5p+12p^2/qQ over 3q

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scoundrel [369]

Answer:

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2 x + 4 y = 6. 3 x minus 4 y = 9.

Step-by-step explanation:

2x + 4y = 6

3x - 4y = 9

4y = 3x - 9

2x + 3x - 9 = 6

5x = 15

x = 3

4y = 3(3) - 9

4y = 0

y = 0

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Four resistors are connected in series such that their total resistance is 50ohm . If the resistance of resistors is 5 ohm , 10o

Katyanochek1 [597]

<h2>Answer:</h2>

$\boxed{R_{4}=20\Omega}$

<h2>Step-by-step explanation:</h2>

If resistors are in series, so the current $I$ is the same in all of them. In this problem we have four resistors. So, we can get a relationship between the Equivalent resistance of series combination and the four resistors as follows:

$R_{eq}=R_{1}+R_{2}+R_{3}+R_{4}$

$R_{eq}$ is the total resistance $50\Omega$ . Moreover:

$R_{1}=5\Omega \\ R_{2}=10\Omega \\ R_{3}=15\Omega$

Therefore:

$50=5+10+15+R_{4} \\ \\ R_{4}=50-(5+10+15) \\ \\ R_{4}=50-30 \\ \\ \boxed{R_{4}=20\Omega}$

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3 years ago