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Musya8 [376]
3 years ago
13

• A pressure control apparatus contains 3 electronic tubes. The apparatus will not work unless all tubes are operative. If the p

robability of failure of each tube during some interval of time is 0.04, what is the corresponding probability of failure of the apparatus?
Mathematics
1 answer:
german3 years ago
7 0

Answer:

Therefore, the probability is P=0.000064.

Step-by-step explanation:

We know that a  pressure control apparatus contains 3 electronic tubes. The apparatus will not work unless all tubes are operative. If the probability of failure of each tube during some interval of time is 0.04.

We calculate the  probability of failure of the apparatus.

We get:

P=0.04\cdot 0.04\cdot 0.04\\P=0.000064

Therefore, the probability is P=0.000064.

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Genrish500 [490]

Answer:

8x < 16 it shows the solution of the compound inequality

7 0
3 years ago
the perimeter of a rectangle is 54 feet, and the length is 13 feet more than the width. Find the width of the rectangle, in feet
zubka84 [21]

Answer:

The width of the rectangle is <u>7 feet</u>.

Step-by-step explanation:

Given:

The perimeter of a rectangle is 54 feet, and the length is 13 feet more than the width.

Now, to find the width of the rectangle.

Let the width be x.

So, the length is 13+x.

Perimeter = 54 feet.

Now, to get the width we put formula:

Perimeter=2(length+width)

54=2(13+x+(x))\\54=2(13+x+x)

54=2(13+2x)

54=26+4x

<em>Subtracting both sides by 26 we get:</em>

28=4x

<em>Dividing both sides by 4 we get:</em>

7=x\\x=7\ feet.

Therefore, the width of the rectangle is 7 feet.

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3 years ago
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= (x-1)(3x-2)
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If y=7 and x=2 and you change x to equal 5, y would now be 10.

x=5
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Explain how finding 7x20 is similar to similar to finding 7x2000.then find each product
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They are both similar because you just have to multiply 7 x 2 and then add the zeros. 7 x 20 is 140 and 7 x2000 is 14000
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