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4 years ago

I'm just lost on what to do with this

Mathematics

1 answer:

eimsori [14]4 years ago

7 0

Do you think you can get a better picture and ill be able to help you out

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Anna is planning on making a circular garden. If the diameter of the garden is 21 meters, what is the circumference?

Ksenya-84 [330]

The answer is A. 65.94m

3 0

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

5 0

3 years ago

Given: Circle C is constructed so that CD = DE = AD; CA is a radius of circle C.

LenKa [72]

Answer:

because AE touches the circumference of circle c.

Step-by-step explanation:

we know that CA is a radius of circle C. so we know that A touches the circumference.

so if the line kept going, it still woulnt go through the circle, only touch the circumference. which is what a tangent is

8 0

3 years ago

How do you write 63 as a product of prime factors and ascending order?

JulijaS [17]

3²×7................................................

4 0

3 years ago

Find the measure of

Sophie [7]

The answer would be 92 for both.

Explanation: the ) like marking in both symbolizes that both

5 0

3 years ago