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Arte-miy333 [17]
2 years ago
14

Which expression is equivalent to (1/2(cos(pi/5)+ i sin(pi/5)))^5

Mathematics
1 answer:
mylen [45]2 years ago
3 0

Answer:

B

Step-by-step explanation:

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2 years ago
If the probabilities that an automobile mechanic will service 3, 4, 5, 6, 7, or 8 or more cars on any given workday are, respect
Readme [11.4K]

Answer:

P(X\geq 5)=0.69

Step-by-step explanation:

We need to find the probability that the mechanic will service  or more cars.

It's a simpler one given that we have the probabilities of servicing 4 or less cars.

P(at least 5 cars) is given by subtracting the probabilities of servicing both 3 and 4 cars.

P(X\geq 5)=1-p(x=4)-p(x=3)\\P(X\geq5)=1-0.12-0.19\\P(X\geq5)=1-0.31\\=0.69

5 0
3 years ago
Solve for y: 3d = 7y + 5
pogonyaev

Answer:

d = \frac{7y+5}{3}

Step by step explanation:

3d = 7y+5

<em>Divide both sides by 3</em>

<em />\frac{3d}{3}<em>= </em>\frac{7y}{3}+ \frac{5}{3}

<em>Simplify</em>

\frac{7y+5}{3}

7 0
2 years ago
Horatio transferred a balance of $2600 to a new credit card at the beginning
4vir4ik [10]

Answer:

Step-by-step explanation:

2600(1+0.043/12)^6(1+0.137/12)^7

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