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ziro4ka [17]
3 years ago
8

How do I solve the equation 18=2/5f

Mathematics
1 answer:
Colt1911 [192]3 years ago
3 0
18=2/5f divide each side by 2/5 gving you
 f=18/.4= 45

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In a parallel circuit, ET = 240 V, R = 47 kΩ, and XL = 50 kΩ. What is the reactive power?
Fittoniya [83]

Answer:

Reactive power is 1.152 VARs

Step-by-step explanation:

We are given that in a parallel circuit,E_{T}=240V,R=47kΩ and X_{L}=50kΩ.

reactive power means the dissipating power resulting from inductive and capacitive loads measured in volt-amperes reactive(VAR).Since our circuit has inductor only, reactive power will be power dissipated from inductor.

Current through inductor=\frac{E_{T}}{X_{L}} =\frac{240}{50}=4.8milli amps=0.0048 A

Reactive power = (current flowing through inductor)X (Voltage across inductor)

Hence reactive power = 0.0048 X 240=1.152 VARs

7 0
4 years ago
Expand and simplify (x+3)(x+5) plsss
Law Incorporation [45]

Answer:

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Step-by-step explanation:

Use the distributive property of equality to multiply and get:

x^2+5x+3x+15

Simplify by combining like terms to get your end result:

x^2+8x+15

8 0
3 years ago
If you have 60 and get 45 as discount how much the percentage
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Let x% be the percentage
60×(1-x%)=45
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7 0
4 years ago
The perimeter of a rectangular balcony is 32 feet. The balcony is 12 feet long. How wide is it?
wlad13 [49]

Answer:

4 feet wide because to find the perimeter you add all the numbers around

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