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Harlamova29_29 [7]
3 years ago
8

What's P(A and B) mean

Mathematics
1 answer:
il63 [147K]3 years ago
6 0
Answer: It expresses that the probability of those two independent events, is the product of the two individual probabilities.
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Solve 4q = 52
mr_godi [17]

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4q = 52

Divide sides by 4

\frac{4q}{4}  =  \frac{52}{4}  \\

Simplification

q = 13

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8 0
2 years ago
Complete the table below by calculating the commission and adding it to the price of the stock.
asambeis [7]

We calculate the commission and adding it to the price of the stock to get total cost.

No       Price              Total Commission                         Total cost

100    $26.25         0.06 x $2,625 = $157.50     2625 + 157.50 =2782.5

100    $19.32         0.06 x $1,932 = $115.92         1932 + 115.92 =2047.92

40     $9.77          0.06 x $390.80 = $23.45      390.80 + 23.45= 414.25

200   $5.39          0.06 x $1,078 = $64.68        1,078 + 64.68 = 1142.68      

100    $33.44       0.06 x $3,344 = $200.64      3,344 + 200.64 = 3544.64


3 0
3 years ago
Read 2 more answers
In two or three sentences explain how you would solve for the real solutions of the following equation: please help asap!!
g100num [7]

the real solutions for the equation x^{3}=-64 are -

x=4,2+-2\sqrt{3i}

Step-by-step explanation:

   x^{3} = - 64

   x^{3} +64  = 0

   We can write 64 as  4^{3}

  x^{3} + 4^{3} = 0

  using the identity  ( x^{3}+y^{3} = (x+y)(x^{2} -xy+y^{2} ) )

we get,

  = (x+4) (x^{2} -x*4+4^{2} )

  = (x+4)(x^{2} -4x+16)    ....................(1)

 solving the quadratic equation  ,

   x^{2} -4x+16 =0

solutions of this quadratic equation can be obtained by

   x=-b +- \sqrt{b^{2}-4ac } /2a

let use y for factors

x=-(-4x)+-\sqrt{(-4x^{2} )-4*x^{2} *16}  / 2*x^{2}

x=4x+-\sqrt{16x^{2} -64x^{2} } /2x^{2}

x=4+-\sqrt{16-64}/2

x=4+-4\sqrt{3i} /2

<u />x=2+-2\sqrt{3i}    ..................(2)

from the equation 1 we have,

x-4=0

which gives solution x=4

and from equation 2 we got  x=2+-2\sqrt{3i}

so the real solutions for the equation x^{3}=-64 are -

x=4,2+-2\sqrt{3i}

3 0
2 years ago
Which expression is equivalent to the given expression? Assume the denominator does not equal zero.
bulgar [2K]
D
For these type of problems download photo math
It’ll be faster than here with steps!
8 0
2 years ago
<img src="https://tex.z-dn.net/?f=3%5E%7B3%7D%20%2B%206%282%20%2B%20%5Cfrac%7B3%7D%7B6%7D%20%29" id="TexFormula1" title="3^{3} +
Drupady [299]

Answer:

24

Step-by-step explanation:

9+6(2+3/6)

9+6(2+1/2)

2+1/2 = 2.5

9+6(2.5)

9+15

24

8 0
2 years ago
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