3 years ago

PLEASE HELP !

Mathematics

1 answer:

ki77a [65]3 years ago

4 0

Answer:C and E

Step-by-step explanation:

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P=s1+s2+s3 solve for s3

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P=s1+s2+s3

Move +s1 to the other side. Sign changes from +s1 to -s1

P-s1=s1-s1+s2+s3

p-s1=s2+s3

Move s2 to the other side. Sign changes from s2 to -s2

p-s1-s2=s2-s2+s3

p-s1-s2=s3

Answer: p-s1-s2=s3

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3 years ago

A certain new type of business succeeds 60% of the time. Suppose that 3 such businesses open (where they do not compete with eac

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Answer:

0.216

Step-by-step explanation:

Given that a certain new type of business succeeds 60% of the time.

3 such businesses are tested for success.

Since these three businesses open (where they do not compete with each other, so it is reasonable to believe that their relative successes would be independent). we can say X no of successful businesses is Binomial

with p = 0.6 and n =3

Required probability

=The probability that all 3 businesses succeed is:

= $P(X=3)\\= 0.6^3\\= 0.216$

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3 years ago

A slow boat to china travels at a constant speed of 17.25 miles per hour for 200 hours. how far was the voyage?

tensa zangetsu [6.8K]

Answer:

3450 miles

Step-by-step explanation:

Multiply the number 17.25 by 200 since the boat is traveling for 200 hours and each hour is 17.25 miles to get 3450 miles which is your answer.

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3 years ago

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Let U be a square matrix such that Upper U Superscript Upper TUequalsI. Show that det Uequalsplus or minus1. Assume that Upper U

bogdanovich [222]

Answer:

See explaination

Step-by-step explanation:

Please kindly check attachment for the step by step solution of the given problem.

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3 years ago

what is the approximate percent increase when the population of a town increases from 12,089 to 15,025? round the population amo

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Answer:

The approximate percentage is 25%.

Step-by-step explanation:

The initial population was = 12089 rounded off to 12000.

The final population is = 15025 rounded off to 15000.

Change in population = $15000-12000=3000$

So, the approximate percent increase is =

$\frac{3000}{12000}\times100$

= 25%.

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3 years ago

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