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3 years ago

Convert 30% to a fraction in simplest form.

Mathematics

2 answers:

vladimir1956 [14]3 years ago

6 0

3/10 because 30 of 100 is 30/100 and didve by 10 and you get 3/10

Aloiza [94]3 years ago

5 0

To convert 30% as a fraction you need to make 30% a decimal first
30% as a decimal is 0.3
then convert 0.3 to a fraction which is 3/10
Hope this helped!!

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Which of the following is the conjugate of the expression below when x> -3?

harina [27]

Answer:

$7+\sqrt{x+3}$

Step-by-step explanation:

The conjugate of a radical expression is obtained by changing the sign of the middle term.

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The conjugate of $7-\sqrt{x+3}$ is simply;

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2 years ago

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3 years ago

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3 years ago

What value of ‘W’ satisfies 8(w+4)=38+7w A. 8 B.6 C.11 D. 4.5

dlinn [17]

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2 years ago

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inessss [21]

Answer:

P(Y=1|X=3)=0.125

Step-by-step explanation:

Given :

p(1,1)=0

p(2,1)=0.1

p(3,1)=0.05

p(1,2)=0.05

p(2,2)=0.3

p(3,2)=0.1

p(1,3)=0.05

p(2,3)=0.1

p(3,3)=0.25

Now we are supposed to find the conditional mass function of Y given X=3 : P(Y=1|X=3)

P(X=3) = P(X=3,Y=1)+P(X=3,Y=2) +P(X=3,Y=3)

P(X=3)=p(3,1) +p(3,2) +p(3,3)

P(X=3)=0.05+0.1+0.25=0.4

$P(Y=1|X=3)=\frac{P(X=3,Y=1)}{P(X=3)} =\frac{p(3,1)}{P(X=3)}=\frac{0.05}{0.4}= 0.125$

Hence P(Y=1|X=3)=0.125

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3 years ago