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ValentinkaMS [17]
3 years ago
10

A stamp collector has 55 stamps from the United States, 30 stamps from Canada, and 15 from Mexico. If he were to close his eyes

and randomly select 20 from his collection, about how many would you expect to be from Mexico?
Mathematics
1 answer:
Vinvika [58]3 years ago
5 0
6% chance I think but I’m not sure
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Factor the greatest common factor: −5k2 20k − 30. −1(5k2 − 20k 30) −5(k2 − 4k 6) −5k(k2 − 4k 6) −5(k2 4k − 6)
Leno4ka [110]

The greatest common factor−5k2 20k − 30 is  -5(k^{2} -4k-6).

<h3>What is meant by the greatest common factor?</h3>
  • The most common factor in mathematics is the highest number that may divide evenly into two other numbers.
  • The largest factor that splits both numbers is the greatest common factor. List the prime factors of each integer before calculating the greatest common factor. One 2 and one 3 are shared by those aged 18 and 24. We multiply them to obtain the GCF. Therefore the GCF for 18 and 24 is 2 * 3 = 6.
  • The biggest positive integer that divides evenly into all the numbers with no remainder is the greatest common factor (GCF, GCD, or HCF) of a collection of whole numbers.

To find the greatest common factor:

−5k2 20k − 30.

Factor the expression:   5(-k^{2} +4k-6)

Factor the expression:   5(-k^{2} -4k+6)

Multiply the monomials: 5(k^{2} +4k+6)

The greatest common factor: -5(k^{2} -4k-6).

The greatest common factor−5k2 20k − 30 is -5(k^{2} -4k-6).

To learn more about The greatest common factor, refer to:

brainly.com/question/219464

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Step-by-step explanation:

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In  five hours

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in half an hour

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5 0
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Company charges 10 cent per kilowatt an hour of electricity. How much does it cost to operate a chandelier with five 75 watt lig
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Answer:

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