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3 years ago

A random number generator is used to select a number from 1 to 100, what is the probability of selecting the number 129?

Mathematics

2 answers:

xxTIMURxx [149]3 years ago

7 0

0 because it is classified as impossible event

zloy xaker [14]3 years ago

3 0

The probability of selecting the number 129 is impossible because the numbers the number generator can give are from 1 to 100. 129 is not in that selected range. So it is impossible.

Hope this helps!
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gulaghasi [49]

Answer:

D. 4,050

Step-by-step explanation:

this is very simple multiply the number of flowers by the number of boxes

25 x 162 = 4,050

Hope this helps! :D

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3 years ago

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Write a rule that generates the Fibonacci sequence.

xeze [42]

Answer:

$\large\boxed{F_1=1,\ F_2=1}\\\boxed{F_n=F_{n-1}+F_{n-2},\qquad n\geq3}$

Step-by-step explanation:

$\text{The Fibonacci sequence:}\\\\1,\ 1,\ 2,\ 3,\ 5,\ 8,\ 13,\ 21,\ 34,\ 55,\ ....\\\\F_1=1\\F_2=1\\F_3=F_2+F_1\to F_3=1+1=2\\F_4=F_3+F_2\to F_4=2+1=3\\F_5=F_4+F_3\to F_5=3+2=5\\F_6=F_5+F_4\to F_6=5+3=8\\F_7=F_6+F_5\to F_7=8+5=13\\F_8=F_7+F_6\to F_8=13+8=21\\\vdots\\F_n=F_{n-1}+F_{n-2}$

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3 years ago

Solve <br> 2z = modulus of z + 2i

Marta_Voda [28]

I assume the equation is

$2z=|z|+2i$

then let $z=x+iy$ .

$2x+2iy=\sqrt{x^2+y^2}+2i$

$2x+2i(y-1)=\sqrt{x^2+y^2}$

The right side is real-valued and positive, and only on the left side do we have an imaginary term, which tells us

$2(y-1)=0\implies y=1$

Then

$2x=\sqrt{x^2+1}$

$4x^2=x^2+1$

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but again we omit the negative solution, so that

$\boxed{z=\dfrac1{\sqrt3}+i}$

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3 years ago

When Lauren left her house in the morning her cell phone battery was partially charged the charge remaining in Lawrence battery

balandron [24]

Answer: Intercept of the equation = (9,0)

Charge remaining in Lauren's battery is 0 after 9 hours( since Lauren left her house)

Step-by-step explanation:

Given: When t= the number of hours since Lauren left her house, the charge remaining in Lauren's battery, as a percentage, can be modeled by the equation B=63-7t .

To find the x-intercept, put B =0 (as x denoted the independent variable , here independent variable is 't')

Hence, the x-intercept of the equation = (9,0)

i.e. Charge remaining in Lauren's battery is 0 after 9 hours( since Lauren left her house)

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3 years ago

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12345 [234]

Answer:

Below.

Step-by-step explanation:

325/18

= 18.055... minutes

= 18 minutes to nearest minute.

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