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andrey2020 [161]
3 years ago
5

A student flipped a coin ten times to simulate the probability of a baby being a girl or a boy. The results are below. What can

you conclude?
Girl-8
Boy-2
a.) A coin toss does not appropriately simulate the situation.
b.) There is a 20% chance that a newborn baby is a boy.
c.) For the experimental probability to be more closely align with the theoretical probability of 1/2, then more trials should be conducted.
Mathematics
1 answer:
Greeley [361]3 years ago
4 0

Answer:

C) the more trials conducted, the closer together the results become

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Solve the system using elimination: -3x - 3y = 12 -9x + 3y = -24<br><br>The answer is not (-1,-3)
FinnZ [79.3K]

Answer:

{x = 1, y = -5

Step-by-step explanation:

Solve the following system:

{-3 x - 3 y = 12 | (equation 1)

{3 y - 9 x = -24 | (equation 2)

Swap equation 1 with equation 2:

{-(9 x) + 3 y = -24 | (equation 1)

{-(3 x) - 3 y = 12 | (equation 2)

Subtract 1/3 × (equation 1) from equation 2:

{-(9 x) + 3 y = -24 | (equation 1)

0 x - 4 y = 20 | (equation 2)

Divide equation 1 by 3:

{-(3 x) + y = -8 | (equation 1)

{0 x - 4 y = 20 | (equation 2)

Divide equation 2 by 4:

{-(3 x) + y = -8 | (equation 1)

{0 x - y = 5 | (equation 2)

Multiply equation 2 by -1:

{-(3 x) + y = -8 | (equation 1)

{0 x+y = -5 | (equation 2)

Subtract equation 2 from equation 1:

{-(3 x)+0 y = -3 | (equation 1)

{0 x+y = -5 | (equation 2)

Divide equation 1 by -3:

{x+0 y = 1 | (equation 1)

{0 x+y = -5 | (equation 2)

Collect results:

Answer:  {x = 1 , y = -5

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4 years ago
13 is 29% of what number?
Zielflug [23.3K]

13/23% = 1300/23 (56.52)

<em>Therefore, 13 is 29% of 1300/23 (56.52)</em>

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PLEASE HELP FAST!<br> my two problems are in the photo.
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Answer:

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Step-by-step explanation:

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You have large,medium, and small books in the ratio of 7:6:3 and you have a total of 32 books how many small books do you have
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6 is the amount you have

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Answer:

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Step-by-step explanation:

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