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vladimir1956 [14]
3 years ago
13

11. An AC waveform has a peak voltage of 50 VAC. What's the

Mathematics
1 answer:
cricket20 [7]3 years ago
8 0

Answer:

Option B - 35.4 VAC

Step-by-step explanation:

Formula for peak voltage is;

V_p = V_rms × √2

Making V_rms the formula, we have;

V_rms = (V_p)/√2

We are given:Peak voltage: V_p = 50 VAC

Where 50 VAC means 50 Volts AC power

Thus;

V_rms = 50/√2

V_rms ≈ 35.4 VAC

So option B is correct

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kari74 [83]
If they sold 89 calendars over 4 weeks, the 'equation' would look like (x = average calendars sold over 4 weeks):
x =  \frac{89}{4}

If you solve it, you get:
22 \frac{1}{4}

Which is equal to 22.25. Hope this helps!
5 0
3 years ago
Which option is correct?
bogdanovich [222]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
Determine the value of z for the system of equations.
Zolol [24]

the answer id d because it's 3 z's so you times that by 4 and you get d.4

6 0
4 years ago
Read 2 more answers
Suppose that y is inversely proportional to square root of x.
FromTheMoon [43]

Answer:

i) k = 36.8

ii)y = 36.8/square root of x

iii)y = 1.4

Step-by-step explanation:

If y is inversely proportional to square root of x;

then the two variables are related by,

y = k/ square root of x

i)Value of k when...x = 8 and y = 13,

substitute into the equation above..so as to find the value of k

13 = k/square root of 8

;k = 13 × square root of 8

;k = 36.8

ii)Then substitute the value of k with...36.8

y = 36.8/square root of x

iii)If x = 27...then y =;

y = 36.8/27

y = 1.4

7 0
3 years ago
A coin contains 9 grams of nickel and 161616 grams of copper, for a total weight of 25 grams.
JulsSmile [24]

Answer:

64percents

Step-by-step explanation:

25-9=16 grams - weight of copper

(16/25)*100=64 percents

7 0
3 years ago
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