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3 years ago

Help me Find the area of

Mathematics

2 answers:

Serhud [2]3 years ago

7 0

This is how I'd do it. Divide the shape into 2 different shapes, both would have the same area formula A=lw. so shape 1(the top one) would be A1=41*51=_____
The area for the 2nd one (the bottom one) would be A=64*38=______
Then, you just add up the results ;)
Hope that helps :)

andriy [413]3 years ago

3 0

I believe the answer is 4,523. Correct me if im wrong

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The equation 6.32=k2 shows that buying 2 bags of apples would cost 6.32. how much is it for one bag

seropon [69]

Answer:

3.16

Step-by-step explanation:

You would divide the 6.32 by 2 to get the amount for one bag

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3 years ago

Christian can paint a car in 6 hours. Carter can paint the same car in 3 hours. If they work together, how long will it take to

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2 years ago

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What function is x=2 mapped to 32?

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The correct answer is…… Yo Mum

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2 years ago

Thirty percent of the students at a local high school face a disciplinary action of some kind before they graduate. Of those "fe

inna [77]

Answer:

Not independent

Step-by-step explanation:

For two events to be independent, they must not effect each other. For two independent events, changes in one of the event do not cause any change on the other event.

To explain it in terms of probability, let's first define and calculate the probabilities:

P(F) : Probability of facing felony

P(C) : Probability of going to college

P(F ∩ C) : Probability of facing felony and going to college

P(F° ∩ C): Probability of not facing a felony and going to college

Assume we have 100 students:

Faced felony = 0.3 * 100 = 30

Faced felony and go college = 30 * 0.4 = 12

Not faced felony = 0.7 * 100 = 70

Not faced felony and go college = 0.6 * 70 = 42

Total of going to college = 12 + 42 = 54

So P(C) = 54 / 100 = 0.54

If P(F)*P(C) = P(F ∩ C), then these two events are independent. If not, they are not independent.

Let's calculate the probabilities:

As given in the question, 30% of students face felony so P(F) = 0.3

P(C) = P(C ∩ F) + P(C ∩ F°) = 0.12 + 0.42 = 0.54

P(F) = 0.3

P(F ∩ C) = 0.12

P(F)*P(C) = 0.3 * 0.54 = 0.162 which ic not equal to P(F ∩ C). Therefore, these events are not independent.

5 0

3 years ago

Ramen noodles. There are 20 ramen noodle packages in a bag. There are 10 beef flavored, and the other 10 are chicken flavored. W

Elina [12.6K]

Answer:

0.789

Step-by-step explanation:

Number of beef flavored Ramen noodles = 10

Number of chicken flavored Ramen noodles = 10

Total number of noodles = 20

Number of ways to select 3 packages:

$_{20}C_3= \dfrac{20\times 19\times 18}{3\times 2\times 1}=1140$

Number of ways to select two beef flavored Ramen noodle = $_{10}C_2$ = 45

Number of ways to select one chicken flavored Ramen noodle = 10

Number of ways to select two chicken flavored Ramen noodle = $_{10}C_2$ = 45

Number of ways to select one chicken flavored Ramen noodle = 10

Total number of ways so that one chicken and one beef Ramen selected = 450 + 450 = 900

Formula for probability of an event E can be observed as:

$P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}$

Required probability is:

$\dfrac{900}{1140} = 0.789$

8 0

2 years ago