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kumpel [21]
3 years ago
8

to decorate a cake, you make a shade of green icing using 3 drops of yellow food coloring for every 4 drops of blue food colorin

g. if you use 12 drops of yellow food coloring, how many drops of blue food coloring would you need?
Mathematics
1 answer:
VikaD [51]3 years ago
7 0
16 drops of blue food coloring 
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On each round, Ann and Bob each simultaneously toss a fair coin. Let Xn be the number of heads tossed in the 2n flips which occu
CaHeK987 [17]

Answer:

P=\frac{2n!}{m!*(2n-m)!}*0.5^{2n}

Step-by-step explanation:

In a coin toss the  probability of tossing a head is 0.5 (50% head/50% tails)

If n is the number of rounds and 2n the number of coins tossed (one for each player), the probability of having m heads tossed is:

R=\frac{2n!}{m!*(2n-m)!}

R is the number of cases (combination of coins tossed) that gives a m number of heads. Each case has a probability of P_{case}=0.5^{2n} so:

P=\frac{2n!}{m!*(2n-m)!}*0.5^{2n}

<u>For example, to toss 4 heads in 5 rounds: </u>

  • n=5
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P=\frac{10!}{4!*(10-4)!}*0.5^{10}

P=\frac{10*9*8*7*6!}{4!*6!}*0.5^{10}

P=\frac{10*9*8*7}{4!}*0.5^{10}

P=\frac{10*9*8*7}{4!}*0.5^{10}=0.205

8 0
3 years ago
There is a bag filled with 6 blue and 5 red marbles.
s344n2d4d5 [400]

Answer:

1/11

Step-by-step explanation:

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What is the measure of the angle in degrees? (Write number in answer only)
masha68 [24]

Answer:

it is 35 degrees

Step-by-step explanation:

I am sure of it

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Answer:

Step-by-step explanation:

Add and then multiply the one left

6 0
3 years ago
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k0ka [10]

Answer:

like:-

1/9x20 = <u>2 2/9</u>

1/9-20 = <u>19 8/9 </u>

Step-by-step explanation:

<h3><u>I'm not sure</u></h3>

3 0
2 years ago
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