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astra-53 [7]
3 years ago
11

An important factor in solid missile fuel is the particle size distribution. significant problems occur if the particle sizes ar

e too large. from production data in the past, it has been determined that the particle size (in micrometers) distribution is characterized by f(x) = 3x−4, x> 1, 0, elsewhere. (a) verify that this is a valid density function. (b) evaluate f(x). (c) what is the probability that a random particle from the manufactured fuel exceeds 4 micrometers?

Mathematics
1 answer:
bogdanovich [222]3 years ago
5 0

Answer:

See solution below.

Step-by-step explanation:

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5/8 -0.5 evaluate each expression. Write answer as a decimal
gregori [183]

Answer:

0.125

Step-by-step explanation:

0.5 =1/2

Now

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6 0
2 years ago
If possible may someone help me please?
Orlov [11]

Answer:

Given, ∠MNP=107 degree.

Therefore, ∠QPN= 107 degree. [as, MN=PQ]

We know, sum of four angles of a quadrilateral is 360 degree.

And as MN=PQ, ∠NMQ=∠MQP.

Therefore, ∠MQP= {360 degree-( 107degree+ 107 degree)}/2

                             =( 360 degree-214 degree)/2

                            = 146 degree/2

                            =73 degree.

hope this will help you.

                           

Step-by-step explanation:

4 0
2 years ago
a certain job can be done in 20 hours by 4 people. how many people are needed to do the same job in 10 hours?
maxonik [38]
If it takes 4 people to get a job done in 20 hours, then in 10 hours, it will take 2 people to complete the same job.
To find out how many people are needed to do this job in 10 hours, we can see that we got to 10 hours by dividing 20 by two so, to see how many people are needed to complete this same job in ten hours, we would just divide 4 people by 2 which is 2 people.
So, in conclusion, if it takes a certain job to be done in 20 hours by 4 people, then it would take 10 hours for that same job to be completed by 2 people.
Glad I could help!
7 0
2 years ago
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dusya [7]

Answer:

B.

Step-by-step explanation:

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