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Ghella [55]
2 years ago
6

X is a discrete random variable. The table below defines a probability distribution for X.

Mathematics
1 answer:
leva [86]2 years ago
3 0
0.21jbvghhjjjjhhhyyhhhhhhjjjj
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Help Please 20 POINTS <br> Which expressions are equivalent to the following?
o-na [289]

Answer:

\large\boxed{5x(6x-x-2)}\\\\\boxed{-5(-6x^2+x+2)}\\\\\boxed{5(2x+1)(3x-2)}

Step-by-step explanation:

30x^2-5x-10=5(6x^2-x-2)=5(-1)(-6x^2+x+2)=-5(-6x^2+x+2)\\\\30x^2-5x-10=30x^2+15x-20x-10=15x(2x+1)-10(2x+1)\\\\=(2x+1)(15x-10)=(2x+1)(5)(3x-2)=5(2x-1)(3x-2)

4 0
3 years ago
S=[E,F,G,H,J] identify the ways to select two members from s allowing the repetition
Fofino [41]

Answer: There are 25 ways to select two members.

Step-by-step explanation:

Since we have given that

S={E,F,G,H,J}

Number of elements = 5

We need to select two members from S allowing the repetition.

We will use "Fundamental theorem of counting":

There are 5 choices for the first member.

There are 5 choices for the second member.

So, Number of ways would be

5\times 5\\\\=25

Hence, there are 25 ways to select two members.

8 0
3 years ago
Find the distance between the point (2, 3) and the line 4x + 3y = 10 (round your answer to the nearest tenth).
Monica [59]

Explanation

Let's first graph the elements:

Using the distance formula we get:

d=\frac{|4(2)+3(3)-10|}{\sqrt{4^2+3^2}}d=\frac{|7|}{\sqrt{25}}=\frac{7}{5}=1.4

4 0
1 year ago
If x2 + mx + m is a perfect-square trinomial, which equation must be true?
Volgvan
Your answer is x² + 2x + 1
7 0
3 years ago
Read 2 more answers
In ∆abc, m∠cab = 2x and m∠​acb = x + 30. if line segment a b is extended through point b to point d, m∠​cbd = 5x − 50. what is t
Allisa [31]
The answer is option "3, 40".

<span>m∠cab = 2x
m∠​acb = x + 30
m∠​cbd = 5x − 50
Now,
</span>m∠cab + m∠​acb = m∠​cbd 
2x+x+30 = 5x-50
2x+x-5x = -50-30
-2x = -80
x = 40


7 0
2 years ago
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