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sladkih [1.3K]
2 years ago
7

ILL GIVE BRAINLIEST!!!!!

Mathematics
2 answers:
Anna11 [10]2 years ago
4 0

Answer:

1. 2x^2+5x+3   2.3x^2-13x-10    3.10^2+12x+2

Step-by-step explanation:

trust

and plz mark brainliest

coldgirl [10]2 years ago
3 0

Answer:

The answer to question 3 is : 2x^2 + 5x + 3

Step-by-step explanation:

The FOIL method is multiplying the first variables, the outside variables, the inside variables and the last variables.

(2x + 3)(x + 1)

F = 2x times x = 2x^2

O = 2x times 1 = 2x

I = 3 times x = 3x

L = 3 times 1 = 3

2x^2 + 5x + 3

I'll leave the rest to you. You got this!

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Answer:

There is a 0.175% chance of finding such a person who has all three characteristics.

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Step-by-step explanation:

A crime has been committed and after analyzing the evidence, police has found out that:

  1. The criminal's blood type is a type found in only 10% of the population.
  2. The criminal's footprint is a size 13 men's shoe and only 7% of the population wears such shoe size.
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We required to find out the probability of selecting a random person who would match all of these characteristics.

Since it is given that the three characteristics are independent of each other then the required probability is  

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or

There is a 0.175% chance of finding such a person who has all three characteristics

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