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S_A_V [24]
3 years ago
7

Find the probability that a randomly selected light bulb will last between 750 and 825 hours.

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
4 0
The probability that is recieved out of the lightbulb is a 750:825. If you divise these numbers, then you find that it becomes .9091
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A NASA spacecraft measures the rate R of at which atmospheric pressure on Mars decreases with altitude. The result at a certain
AysviL [449]

Answer:

R = 0.0000498 \frac{KJ}{ m m^3}=0.0000498 \frac{KJ}{m^4}=4.98x10^{-5}\frac{KJ}{m^4}

Step-by-step explanation:

For this case we have the following value:

R = 0.0498 \frac{Kpa}{Km}

We can convert this first to \frac{Kpa}{m} like this:

R=0.0498 \frac{Kpa}{Km} *\frac{1km}{1000m}=0.0000498 \frac{Kpa}{m}

Now we use the fact the the pressure is defined as P =\frac{F}{A}, whre P is the pressure, F the force and A the area, so then Kpa= \frac{KN}{m^2} and then we can replace this:

R=0.0000498 \frac{KN}{m^3}

Now from definition of work we know that W= Fd where W is the work, F the force and d the distance, so then is equivalent KN =\frac{KJ}{m}

And if we replace this into the equation we got:

R = 0.0000498 \frac{KJ}{ m m^3}=0.0000498 \frac{KJ}{m^4}=4.98x10^{-5}\frac{KJ}{m^4}

4 0
4 years ago
Pls help ASAP math help
Alisiya [41]

Answer:

$13.30

Step-by-step explanation:

The discount itself would be $6.65 because 1/3 time $19.95 equals $6.65

then to find the total price after discount you subtract,

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final answer is $13.30

6 0
3 years ago
Will mark the brainliest... <br><br> Which triangles could not be similar to triangle ABC ?
lora16 [44]
The first and the third triangle
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avanturin [10]

Answer:

5. z=49

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17÷338 <br> what is the remainder
Luba_88 [7]

Answer:

Step-by-step explanation:

= 19 R 15

= 19 15/17

338 divided by 17 equals

19 with a remainder of 15

Solution:

   0 1 9

1 7 {3 3 8

 − {0    

   3 3  

 − 1 7  

   1 6 8

 − 1 5 3

     1 5

⊂_ヽ

 \\ _

    \( •_•) F

   < ⌒ヽ A

  /   へ\ B

  /  / \\ U

  レ ノ   ヽ_つ L

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 / /| U

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 | |、\

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3 years ago
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