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3 years ago

AAA PRECISO PRA AMANHA

Mathematics

1 answer:

ANTONII [103]3 years ago

6 0

Desce 3 , sobe 5 pra esquerda, joga um 2 pra lá, e tbm desce sua tia quicando na minha banana! MUAHAHA

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A box of candy hearts contains 52 hearts, of which 19 are white, 10 are tan, 7 are pink, 3 are purple, 5 are yellow, 2 are orang

laiz [17]

<u>Answer-</u>

a. Probability that three of the candies are white = 0.29

b. Probability that three are white, 2 are tan, 1 is pink, 1 is yellow, and 2 are green = 0.006

<u>Solution-</u>

There are 19 white candies, out off which we have to choose 3.

The number of ways we can do the same process =

$\binom{19}{3} = \frac{19!}{3!16!} = 969$

As we have to draw total of 9 candies, after 3 white candies we left with 9-3 = 6, candies. And those 6 candies have to be selected from 52-19 = 33 candies, (as we are drawing candies other than white, so it is subtracted)

And this process can be done in,

$\binom{33}{6} = \frac{33!}{6!27!} =1107568$

So total number of selection = (969)×(1107568) = 1073233392

Drawing 9 candies out of 52 candies,

$\binom{52}{9} = \frac{52!}{9!43!} = 3679075400$

∴P(3 white candies) = $\frac{1073233392}{3679075400} =0.29$

Total number of ways of selecting 3 whites, 2 are tans, 1 is pink, 1 is yellow, and 2 are greens is,

$\binom{19}{3} \binom{10}{2} \binom{7}{1} \binom{5}{1} \binom{6}{2}$

$=(\frac{19!}{3!16!}) (\frac{10!}{2!8!}) (\frac{7!}{1!6}) (\frac{5!}{1!4!}) (\frac{6!}{2!4!})$

$=(969)(45)(7)(5)(15)=22892625$

Total number of selection = 3 whites + 2 are tans + 1 is pink + 1 is yellow + 2 greens = 9 candies out of 52 candies is,

$\binom{52}{9}=\frac{52!}{9!43!} =3679075400$

∴ P( 3 whites, 2 are tans, 1 is pink, 1 is yellow, 2 greens) =

$\frac{22892625}{3679075400} = 0.006$

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3 years ago

If f(x) = ||x|| , find f (-1/4)

spin [16.1K]

Anything that is absolute value is just that same number

therefore the answer is 1/4

hope this helps

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3 years ago

Show a way to count 170 to 410 using tens and hundreds circle at least 1 benchmark number

Lostsunrise [7]

What is a benchmark number?

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3 years ago

A net of a building block is shown below. What is the total surface area of the building block? *

777dan777 [17]

Answer:

where

Step-by-step explanation:

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2 years ago

1,000 POINTS!!!!!!!!! I NEED HELP ASAP

babunello [35]

Answer:

x ≥ -4

Step-by-step explanation:

-3x + 2 ≤ 14

Subtract 2 from each side

-3x+2-2 ≤ 14-2

-3x ≤ 12

Divide each side by -3 . Remember that dividing by a negative flips the inequality.

-3x/-3 ≥12/-3

x ≥ -4

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3 years ago