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Umnica [9.8K]
2 years ago
14

When two events are​ independent, the probability of them both occurring is simply the product of their individual probabilities

of occurring?
Mathematics
1 answer:
Sholpan [36]2 years ago
5 0
Yes this is correct.

If event A and event B are independent, then 
P(A and B) = P(A)*P(B)

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4x^2-5x-15=0 how to find the vertex and y intercept
mezya [45]
ax^2+bx+c=0\\\\the\ vertex:\left(\frac{-b}{2a};\frac{-(b^2-4ac)}{4a}\right)\\\\y-intrcept=c\\=======================================\\\\4x^2-5x-15=0\\\\a=4;\ b=-5;\ c=-15\\\\\frac{-b}{2a}=\frac{-(-5)}{2\cdot4}=\frac{5}{8};\ \frac{-(b^2-4ac)}{4a}=\frac{-[(-5)^2-4\cdot4\cdot(-15)]}{4\cdot4}=-\frac{265}{16}\\\\\boxed{the\ vertex:\left(\frac{5}{8};-\frac{265}{16}\right)}\\\\\boxed{y-intercept:-15}
5 0
3 years ago
3.
grandymaker [24]

Answer:

The Answer is is option B.

6 0
2 years ago
Terri brought 1.74 meters of rope. Gracie brought 1.64 meters of rope. Who brought more rope
vredina [299]

Answer: Terri brought 10 more centimeters of rope than Gracie.

Step-by-step explanation:

8 0
3 years ago
What is the missing reason in the proof?
IrinaVladis [17]

We can identify that the missing reason in the proof is: Definition of Congruent angles.

<h3>How to give proof of a congruent triangle?</h3>

We know that an angle measure of 90° of ∠ABC in the triangle means that it is a right angle triangle.

We also see that ∠ADB is also a right angle and is equal to 90°.

Now, since they have exactly the same measure, these angles are congruent. Then we can say that the angles are congruent and as such:

∠ABC ≅ ∠ABD

Thus, we can identify that the missing reason is: Definition of Congruent angles.

Read more about Triangle proof at; brainly.com/question/1248322

#SPJ1

3 0
1 year ago
Idk sooo please help
borishaifa [10]

Answer:

20 points

Step-by-step explanation:

Points:

  • 21, 13, 14 and x for the last game

Average:

  • (21+13+14+x) / 4 = 17
  • 48 + x = 4*17
  • 48 + x = 68
  • x = 68 - 48
  • x = 20

They must score 20 points

6 0
3 years ago
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