Answer:
about 0.0143 microfarads
Step-by-step explanation:
The effective capacitance of capacitors in series is the reciprocal of the sum of their reciprocals:
1/(1/0.02 +1/0.05) = 1/(50+20) = 1/70 ≈ 0.0143 . . . microfarads
Answer:
C. 
Step-by-step explanation:
Let x represent number of miles.
We have been given that a taxi cab charges $1.50 for the flat fee and $0.50 for each mile.
The cost of riding x miles would be 
and the total cost of riding x miles would be 
.
Since Sharon has only $25 to spend on the taxi ride, so the cost of riding x miles on taxi must be less than or equal to 25.
We can represent this information in an inequality as:
Therefore, option C is the correct choice.
Answer:
Proved that DF = FE.
Step-by-step explanation:
See the given diagram attached.
In triangle Δ DEF, we have to prove DF = FE when ∠ 3 = ∠ 4.
The proof is like followings :
1. ∠3 = ∠4, Reason: Given
2. ∠1 and ∠3. Reason: They are supplementary.
∠2 and ∠4. Reason: They are supplementary.
3. ∠1 = ∠2. Reasons: Two Angles Supplementary to Equal Angles are Equal to Each Other.
4. DF = EF. Reason: Opposite sides of equal angles. (Answer)
Step-by-step explanation:
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Answer:
2
Step-by-step explanation:
4*2=8 and 8+4=12
