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Vika [28.1K]
3 years ago
6

An orbiting satellite has seven solar cells, which function independently of each other. During a mission, each cell fails with

a probability of 0.3. What is the probability that there will be adequate power output for the mission if 7. All 7 cells must be active?
Mathematics
1 answer:
Makovka662 [10]3 years ago
4 0
The due date is 2pm, dolololo
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elena55 [62]
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2 years ago
The manager of a theater noted that for every 10 admission tickets sold, the theater sells 3 bags of popcorn at $2.25 each, 4 so
Shalnov [3]

Answer:

$1.475 is the average amount of snack sales per ticket sold.

Step-by-step explanation:

We are given the following in the question:

Number of popcorn bags sold = 3

Cost of  a popcorn bag = $2.25

Total cost of popcorn bag = 2.25\times 3 = $6.75

Number of soda sold = 4

Cost of  a soda = $1.50

Total cost of soda = 1.50\times 4 = $6.00

Number of candy bars sold = 2

Cost of  a candy bar = $1.00

Total cost of candy bars =  1.00\times 2 = $2.00

Total sales =

Total cost of popcorn + Total cost of soda + Total cost of candy bar

= 6.75 + 6 + 2\\=\$14.75

\text{Average} = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Average amount of snack sales per ticket sold =

\dfrac{\text{Total sales}}{\text{Number of tickets}} = \dfrac{14.75}{10} = 1.475

Thus, $1.475 is the average amount of snack sales per ticket sold.

5 0
3 years ago
Find cos θ if csc θ = 2 and θ is in quadrant II.
natita [175]
Cosecant is one of the six trigonometric identities which is equal to the reciprocal of sine function. In this case, theta is equal to sin -1 = 1/2 equal to 30 degrees. Since this is in quadrant II, the angle is 180 - 30 or 150 degrees. cos 150 is equal to -0.866 or -ssqrt 3 over 2.
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What is the slope of the line?
Charra [1.4K]

Answer:

1/3

Step-by-step explanation:

using rise over run we can see that the fall, or rise is 1 and the run is three. this means that it is 1(fall) over 3(run) 1/3 hope this helped ya :)

8 0
2 years ago
Three angles of a regular pentagon are 60(degrees),120(degrees)and80(degrees).The remaining angles are congruent.Find the size o
mash [69]
U would just add then together
3 0
3 years ago
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