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schepotkina [342]
3 years ago
6

Fred has 204 books he donates 2/11 how many books did he donate

Mathematics
1 answer:
Tomtit [17]3 years ago
4 0

Answer:

37 books

Step-by-step explanation:

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Which point is an x interception of the quadratic function f(x)=(x-8)(x+9)
viva [34]

f(x)=(x-x_1)(x-x_2)\\\\(x_1,\ 0),\ (x_2,\ 0)-x\ interceptions

\text{We have}\ f(x)=(x-8)(x+9)=(x-8)(x-(-9))\\\\\text{therefore your answer is:}\\\\(8,\ 0),\ (-9,\ 0)

6 0
3 years ago
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=HSSSSSSSSSSSSSS7H772E7H7777777777777777777777777777777777777777777777777777777
kari74 [83]

Answer:

dfdfdfdfdfdfdfdfdfdfdfdf

Step-by-step explanation:

dfdfdfdfdfdf

4 0
2 years ago
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A student answers a multiple-choice examination question that offers four possible answers. Suppose the probability that the stu
Salsk061 [2.6K]

Answer:

The value is P(A | W) =  0.941

Step-by-step explanation:

From the question we are told that

The probability that the student knows the answer to the question is P(A) =  0.8

The probability that that the student will guess is P(G) =  0.2

The probability that that the student get the correct answer given that the student guessed is P(W /G) =  0.25

Here W denotes that the student gets the correct answer

Generally it a certain fact that if the student knows the answer he would get it correctly

So the probability the the student got answer given that he knows it is

P(W | A) =  1

Generally from Bayes theorem we can mathematically evaluate the probability that the student knows the answer given that he got it correctly as follows

P(A | W) =  \frac{ P(A) *  P(W | A )}{ P(A) *  P(W | A) + P(G) * P(W| G)}

=> P(A | W) =  \frac{ 0.8 *  1}{ 0.8 *  1+ 0.2 * 0.25}

=> P(A | W) =  0.941

4 0
3 years ago
Can someone please help me with this?
mash [69]

Answer:

see explanation

Step-by-step explanation:

∠c = ∠ a = 47° ( vertical angles )

∠c and ∠b form a straight angle and are supplementary, thus

∠c + ∠b = 180, that is

47 + ∠b = 180 ( subtract 47 from both sides )

∠b = 133°

∠d = ∠b = 133° ( vertical angles )

That is a = c = 47° and b = d = 133°

The sum of the 4 angles = 133° + 47° + 47° + 133° = 360°

360° is the sum of the angles round a point , hence answer is correct

3 0
3 years ago
Ayudaaaaaaaaaaaaaaaaaaa! Por favor
KiRa [710]

Answer:

Step-by-step explanation:

diameter~d=\sqrt{9^2+5^2} =\sqrt{106} \\r=\frac{\sqrt{106} }{2} \\area=\pi (\frac{\sqrt{106} }{2} )^2=53\pi /2 \approx 83.21~square~units.

3 0
2 years ago
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