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3 years ago

Need the answer asap!! thank you!!!

Mathematics

1 answer:

Masteriza [31]3 years ago

7 0

Answer: C

Positive and between 0.0 and 0.5

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An unfair coin with Pr[H] = 0.75 is flipped. If the flip results in a head, a student is selected at random from a class of si

Agata [3.3K]

Answer:

72.73% probability of selecting a girl, given the flip resulted inheads

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Coin resulted in heads

Student is selected at random from a class of six boys and sixteen girls.

Desired outcomes:

16 girls, so $D = 16$

Total outcomes:

16+6 = 22, that is, 22 students, so $T = 22$

Probability:

$P = \frac{16}{22} = 0.7273$

72.73% probability of selecting a girl, given the flip resulted inheads

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3 years ago

Last year the profit for a company was $327,000. This year's profit decreased by 3.7%. Find this year's profit.

lesantik [10]

Answer: $314,901

Step-by-step explanation: 3.7% of $327,000 is $314,904

6 0

2 years ago

Which table shows a proportional relationship between x and y?

notsponge [240]

Answer:

c. number shows the proportional relationship between x and y...

4 0

3 years ago

Fx) = -3x² + 2x - 7, then f(-1) =

Fantom [35]

Given:

The function is

$f(x)=-3x^2+2x-7$

To find:

The value of f(-1).

Solution:

We have,

$f(x)=-3x^2+2x-7$

Putting x=-1, we get

$f(-1)=-3(-1)^2+2(-1)-7$

$f(-1)=-3(1)-2-7$

$f(-1)=-3-9$

$f(-1)=-12$

Therefore, the value of f(-1) is -12.

3 0

3 years ago

3/4x+2-1/3x=12<br> What is the answer?

mash [69]

Answer:

x=24 or 25

Step-by-step explanation:

90% is x=24

89.999999 repeat% is x =25

6 0

2 years ago