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Luba_88 [7]
3 years ago
12

How much power is produced by a flashlight that has a voltage of 12 volts and a current of 6.5 × 10-2 amps?

Mathematics
2 answers:
mezya [45]3 years ago
4 0

<u>Answer:</u>

The power produced by the flashlight is 0.78 watts

<u>Step-by-step explanation:</u>

We are given that a flashlight has a voltage of 12 volts and a current of 6.5 × 10^-2 amps and we are to find its power.

We know the formula of power:

<em>Power = I × V</em>

where <em>I</em> is the current and <em>V</em> is the voltage.

Substituting the values in the above formula:

Power = 6.5 × 10^-2 × 12

Therefore, the power produced by the flashlight is 0.78 watts.

Jlenok [28]3 years ago
3 0

Answer:

0.78 Watts is correct answer.

Step-by-step explanation:

Formula:  

P=V*I  

=12*(6.5*10^-2)  

= 12*0.065  

=0.78 Watt.  

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If 25 students took an exam and 4 of them failed, what percent of them passed?
lisabon 2012 [21]

If 25 students took an exam and 4 of the students that took the exam failed, what percent of the students passed?

To find out how many students passed, we can subtract 4 from 25 and we will get a difference of 21.

The fraction \frac{21}{25} represents the number of students who passed the exam out of all the students.

To find out what percent of the students passed, we can turn \frac{21}{25} into a percent.

21 ÷ 25 = 0.84

0.84 × 100 = 84%

Therefore, 84% of the students who took the exam passed.

5 0
4 years ago
Evaluate the following when a= 1 ,b=3,and c =27 ( a) 6a^2+ 2bc-2c^1/3​
Dennis_Churaev [7]

Answer:

6a^2+ 2bc-2c^1/3 <u>= 162</u>

Step-by-step explanation:

  • a = 1
  • b = 3
  • c = 27

\rm 6 {a}^{2}  + 2bc - 2 {c}^{ \frac{1}{3} }

= 6 {(1)}^{2}  + 2(3)(27) - 2( {27)}^{ \frac{1}{3} }

\rm  = 6 + 162 - 2 ( \sqrt[3]{27} )

\rm  = 168 - 2(3)

\rm = 168 - 6

\boxed{\rm  = 162}

5 0
3 years ago
2(x+5)=3x+1 <br> How do I solve this
elena55 [62]

Answer:

x = 9

Step-by-step explanation:

2(x+5)=3x+1

Distributive Property

2x+10=3x+1

Subtract 2x from both sides

10=x+1

Subtract 1 from both sides

9=x

Correct form: x=9

7 0
3 years ago
How to solve it and to get the answear​
Vesnalui [34]

Answer:

7. 5832

Step-by-step explanation:

Volume Formula: Length times Height times Width

7. 18*18*18=5832

(Sorry don't know other one)

4 0
3 years ago
Matrics Assisment<br>Q.4) If A = [1 5 ; 4 6] and B = [8 2 ; 0 4] then find BA.​
larisa [96]

ans=[822;3232]

Step-by-step explanation:

I think the ans will be =[822;3232]

I hope it will help u.

8 0
3 years ago
Read 2 more answers
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