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wolverine [178]
3 years ago
11

5. What is the principal square root of -25? -5 No Real Number 51/5​

Mathematics
1 answer:
wlad13 [49]3 years ago
5 0

Answer:

no real number

Step-by-step explanation:

no square root of neg. num.

if my anwser helps please mark as brainliest.

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What does T equal to?
GarryVolchara [31]

Answer:

4/3

Step-by-step explanation:

t^3=64/27

=4^3/3^3

=index same

t =4/3

8 0
2 years ago
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vovangra [49]
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otez555 [7]

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3 years ago
Photos and videos have become an important part of the online social experience, with more than half of Internet users posting p
klasskru [66]

Answer:

0.82

Step-by-step explanation:

Given:

<em>A</em> be the event that an Internet user posts photos taken by themselves.

<em>B</em> be the event that an Internet user posts photos taken by themselves.

P(A) = 0.47

P(A) = 0.28

P(A or B) = P(A\cup B) = 0.52

To find:

Conditional probability that an Internet user posts photos given that they post videos.

OR

P(A/B) = ?

Solution:

<em>Formula </em>to be used to find the required conditional probability:

P(A/B) = \dfrac{P(A \cap B)}{P(B)}

For this, P(A \cap B) is required.

<em>Formula</em>

P(A \cup B) = P(A) + P(B) - P(A \cap B)

0.52=0.47+0.28-P(A\cap B)\\\Rightarrow P(A\cap B)=0.23

Now, the required conditional probability is:

P(A/B) = \dfrac{P(A \cap B)}{P(B)}\\\Rightarrow P(A/B) = \dfrac{0.23}{0.28}\\\Rightarrow \bold{P(A/B)} = 0.82}

So, the answer is <em>0.82</em>.

5 0
3 years ago
Can you determine the factors of x^2 - 8x - 12?
Alex73 [517]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

1:SPLIT THE MID FACTOR
<span>X^2+8X+12
</span><span> X^2+6X +2X+12 [12=6*2
</span><span> 8=6+2
</span>
2:TAKE COMMON FACTORS FROM 1ST TWO AND <span>LAST TWO FACTORS
</span><span>X^2+6X +2X+12 EQUALS
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</span>
<span>3: TAKE (X+6) AS COMMON FACTOR
</span><span> X(X+6)+2(X+6) EQUALS
</span><span>(X+6) {X+2}</span>
7 0
3 years ago
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