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galina1969 [7]
4 years ago
5

I have an ordered pair which is (5,-4) and the y-intercept which is -2 how do i find the slope

Mathematics
1 answer:
MArishka [77]4 years ago
8 0

Remark

So far what you know is that

y = mx - 2

Now all you need do is use the point to solve for m

y = - 4

x = 5                           Substitute

- 4 = m(5) - 2              Add 2 to both sides

-4 + 2 = 5m - 2 + 2

- 2 = 5m                      Divide both sides by 5

-2 / 5 = 5/5 m

- 0.4 = m

Answer: y = - 0.4x - 2 or

Answer: y = - (2/5)x - 2

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The first step in solving 5 = 2 + is to subtract 2 from both sides of the equation.
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3 years ago
find the greatest three digit prime number where each of the digits is prime and the sum of all three digits is also prime
sasho [114]

Answer:

The number is: 775

Step-by-step explanation:

The prime numbers from 1-9 are: 2,3,5,7

To form the greatest three digit prime number where each of the digits is prime and the sum of all three digits is also prime:

  • we have to start the number from 7 as the greatest prime number is 7.
  • the next digit has to be also 7 so that the number remains bigger.
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      so we take the digit 5 and the sum will be 19(7+7+5) which is a prime  

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3 0
3 years ago
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What is P(2 or divisor of 9)?<br> please explain!
Dmitrij [34]

The probability that a divisor of 2 or 9 is chosen when the spinner is spun once is 2/3.

<h3>What is the probability?</h3>

Probability determines the chances that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.

P(2 or divisor of 9) = section that has a divisor of 2/ total number of sections + section that has a divisor of 2/ total number of sections

1/3 + 1/ 3 = 2/3

To learn more about probability, please check: brainly.com/question/13234031

#SPJ1

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