Mathematics, 21.09.2020 14:01 angeljohnson2081
Resistors. An electrical engineer has two boxes of resistors, with four resistors in each box. The resistors in the first box are labeled 10 ohms, but in fact their resistances are 9, 10, 11, and 12 ohms. The resistors in the second box are labeled 20 ohms, but in fact haveresistances of 18, 19, 20, and 21 ohms. The engineer chooses one resistor from each box and determines the resistance of each. Answer the following:
A. List all possible outcomes in the sample space.
B. List all outcomes in the event B, the event that the second resistor has a resistance less than 19.
C. List all outcomes in the event C, the event that the sum of the resistances is equal to 28.
D. List all outcomes in B∪C.
E. List all outcomes in B(complement) ∩C .
Answers: 3
Mathematics, 21.06.2019 16:30
International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?
Answers: 2
Mathematics, 21.06.2019 17:30
Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.
Answers: 2
Mathematics, 21.06.2019 21:00
Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n − 1) + 4; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n − 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2; n > 1 i will award !
Answers: 1
Resistors. An electrical engineer has two boxes of resistors, with four resistors in each box. The r...
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