3 years ago

Help me with this please and thank you

Mathematics

1 answer:

Furkat [3]3 years ago

8 0

Answer:

give me time i'll solve it

Step-by-step explanation:

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Viefleur [7K]

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3 years ago

Which number is not a rational number? -5 times 4/11 root31 7.608 18.46 continuing

rewona [7]

I think its the second one, the answer does not have a definite and, and cannot be put into a ratio.

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3 years ago

Read 2 more answers

The total source voltage in the circuit is 6-3i V. What is the voltage at the middle source

Bezzdna [24]

Answer:

The voltage at the middle source is $(2-4\mathbf{i})\ V$

Step-by-step explanation:

Voltage Sources in Series

When two or more voltage sources are connected in series, the total voltage is the sum of the individual voltages of each source.

The figure shown has three voltage sources of values:

$2 + 6\mathbf{i}$

$a + b\mathbf{i}$

$2 - 5\mathbf{i}$

The sum of these voltages is:

$V_t=4+a+(6+b-5)\mathbf{i}$

Operating:

$V_t=4+a+(1+b)\mathbf{i}$

We know the total voltage is $6-3\mathbf{i}$ , thus:

$4+a+(1+b)\mathbf{i}=6-3\mathbf{i}$

Equating the real parts and the imaginary parts independently:

4+a=6

1+b=-3

Solving each equation:

a = 2

b = -4

The voltage at the middle source is $(2-4\mathbf{i})\ V$

5 0

3 years ago

U/5 + 6 = 2

Aloiza [94]

Answer:

D. -20

Step-by-step explanation:

$\frac{u}{5} +6=2$

$\frac{u}{5} =-4$

$u=-4(5)$

$u=-20$

Hope this helps!

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2 years ago

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Answer:

y = 4

Step-by-step explanation:

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3 years ago