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Zanzabum
3 years ago
7

Determine if the function is one-to-one. A decreasing line intercepting the y axis at 0, 5.

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
8 0
<span>Determine if the function is one-to-one. A decreasing line intercepting the y axis at 0,4</span>
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lakkis [162]
The measure of FHG is 64°.
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3 years ago
What is the probability that both of Eduardo's partners for the group project will be girls? StartFraction 9 Over 65 EndFraction
tester [92]

Answer:

StartFraction 24 Over 65 EndFraction

Step-by-step explanation:

Total number of students = 26

Number of boys = 10

Number of girls = 26-10

=16

Eduardo has to pull two names out of the hat without replacing them.

First name

Probability= Favourable outcome/Total outcome

Probability of girls=16

Total probability=26

Eduardo has to pull two names out of the hat without replacing them.

Probability= Favourable outcome/Total outcome

=16/26

=8/13

For the second name:

Without replacement of the first hat

Probability of girls=16-1=15

Total probability=26-1=25

Probability= Favourable outcome/Total outcome

=15/25

=3/5

Probability of both of Eduardo's partner for the group project will be girls=8/13*3/5

=24/65

StartFraction 24 Over 65 EndFraction

4 0
3 years ago
Let X be a random variable with probability mass function
Naya [18.7K]

Answer:

a. g(x) = ln(x).

b. g(x) = x*e^{xt}

Step-by-step explanation:

By the definition, the expected value of a random variable X with probability mass function p is given by \sum P(X=x)\cdot x where the sum runs over all the posible values of X. Given a function g, the random variable Y=g(X) is defined. Note that the function g induces a probability mass function P' given by P'(Y=k) = P(X=g^{-1}(k)) when the function g is bijective.

a. Note that for 1/3ln(2)+1/6ln(5) by choosing the function g(x) = ln(x) the expression coincides with E(g(x)), because if Y = g(x)  then E(Y) = P'(Y=1)*ln(1)+P'(Y=2)*ln(2)+P'(Y=5)*ln(5) = P(X=1)*ln(1)+P(X=2)*ln(2)+P(X=5)*ln(5).

b. On the same fashion, the function g(x) = xe^{xt} fullfills the expression of E[g(X)]

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3 years ago
Question 1: The flag of a country contains an isosceles triangle.​ (Recall that an isosceles triangle contains two angles with t
schepotkina [342]

Answer:The flag of a country contains an isosceles triangle (recall that an isosceles triangle contains two angles with the same measure) if the measure of the third angle of the triangle is 20 degrees more than twice the measure of either of the other two angles and find the measure of each angle of the triangle (Recall that the sum of the measures of the angles of a triangle is 180 degrees)

Step-by-step explanation:

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3 years ago
And im back at it again I wuv chu all take my points. What is 9x2+3? I cant figure it out for my math quiz :&lt; pwease halp.and
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Answer:

21!

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18+3=21

Step-by-step explanation:

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