2 years ago

What is 25 divided by 28

Mathematics

2 answers:

Drupady [299]2 years ago

7 0

0.89285714285*5

It keep going.

solong [7]2 years ago

5 0

0.8928571 that's the answer welcome

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Write 72,312 in standard form

Lapatulllka [165]

Seventy- two thousand three hundred twelve

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3 years ago

Write the formula for the parabola that has x-intercepts (1.3,0) and (-1.3,0), and y intercept (0,169)

stepan [7]

It is 3.25/5.40 I think

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3 years ago

Please help me solve this question !

AlexFokin [52]

(d) 18/48

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2 years ago

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dem82 [27]

Answer:

The second answer is correct.

Step-by-step explanation:

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2 years ago

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

Bezzdna [24]

Answer:

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

Step-by-step explanation:

<u>Voltage Sources in Series</u>

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 $(2-4\mathbf{i})\ V$

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2 years ago