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Sedbober [7]
2 years ago
12

Mike’s doctor recommended that he increase the time he exercises each day from 20 minutes to 30 minutes. By what percent did the

number of minutes increase?
Mathematics
2 answers:
dimaraw [331]2 years ago
7 0

Answer:

1 dsd

Step-by-step explanation:

juin [17]2 years ago
7 0

Answer:

It increased by 10%

Step-by-step explanation:

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What is the reactance of a 25 mF capacitor when the applied frequency is 400 Hz?
LuckyWell [14K]

The Reactance of a Capacitor is t<u>he resistance it has when alternating current (A/C) with a specific frequency (f) passes through it. </u>This is measured in ohms (Ω) and its formula is:


X_{C}=\frac{1}{2\pi fC}   (1)



Where:


X_{C} is the Reactance in ohms (Ω)

f is the frequency of the alternating current in Hertz (Hz)

C is the Capacitance of the Capacitor in Farad (F)



In this case we have a 25 mF capacitor with an applied frequency of 400 Hz.


Note 1mF=1*10^{-3}F=0.001F



Well, with the given data we have to solve (1):


X_{C}=\frac{1}{2\pi(400Hz)(25*10^{-3}F)}    

Then:


XC=0.0159 Ω   This is the Reactance of the Capacitor



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3 years ago
Slope-intercept form (-3,-4);=-5x+5
Harlamova29_29 [7]

Answer:

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8 0
2 years ago
How to solve -2(v-2)=-3-2v i need it step by step
Goryan [66]

Answer:O0

Step-by-step explanation:

2*(v-2)-(-3-2*v)=0

STEP

1

:

Equation at the end of step 1

(0 - 2 • (v - 2)) - (-2v - 3) = 0

STEP

2

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Equation at the end of step 2

7 = 0

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3

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Equations which are never true:

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3 0
3 years ago
Read 2 more answers
If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system
olya-2409 [2.1K]

Answer:

b) If the graphs of the linear equations in a system are parallel, there is no solution to the given system of equation.

Step-by-step explanation:

Parallel Lines:

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Now, if the graphs of the linear equations in a system are parallel

⇒ By the definition, both the graphs have NO INTERSECTING POINT.

⇒There is not even one common point available to the given system of  

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Hence, There is no solution to the given system of equation.

7 0
3 years ago
What is y+2=-4(X-6) in Ax+By=C form
PSYCHO15rus [73]
Y+2=-4x+24
2=-4x-y+24
-22=-4x-y
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3 years ago
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