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3 years ago

NEED ANSWER ASAP!!!!!!!!!

Mathematics

1 answer:

Kamila [148]3 years ago

6 0

Answer:

10,000

Step-by-step explanation:

f = feet above ground

r = rate of descent

m = minutes

f = 30000 - r · m

f = 30000 - 20000m

After five minutes:

f = 30000 - 2000(5)

f = 30000 - 10000

f = 20000

After five minutes the plane is at 10,000. feet.

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IrinaVladis [17]

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150 m/s

Step-by-step explanation:

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3 years ago

Enter the answer to the nearest tenth. Another home business has an average income of $1.200.00 per month with a standard deviat

Nonamiya [84]

Answer: -1.7

Step-by-step explanation:

Given : Another home business has an average income of $1.200.00 per month with a standard deviation of $100.00.

i.e. $\mu=\$1200.0$

$\sigma=\$100.00$

Let x represents the monthly income.

Since . $z=\dfrac{x-\mu}{\sigma}$

For x= 1030 , we have

$z=\dfrac{1030-1200}{100}=-1.7$

Hence, the required z-score = -1.7

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3 years ago

I had $3.00. My Mom gave me $10.00. My Dad Gave me $30.00. My Aunt & Uncle gave me $100.00. I had another $7.00. How much di

zysi [14]

Answer:

150

Step-by-step explanation:

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7 0

3 years ago

erica earned 30,000 bonus points on her computer assignment this is ten times as many points as she earned last week how many bo

alisha [4.7K]

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3 0

3 years ago

In a particular course, it was determined that only 70% of the students attend class on Fridays. From past data it was noted tha

siniylev [52]

Answer: Probability that students who did not attend the class on Fridays given that they passed the course is 0.043.

Step-by-step explanation:

Since we have given that

Probability that students attend class on Fridays = 70% = 0.7

Probability that who went to class on Fridays would pass the course = 95% = 0.95

Probability that who did not go to class on Fridays would passed the course = 10% = 0.10

Let A be the event students passed the course.

Let E be the event that students attend the class on Fridays.

Let F be the event that students who did not attend the class on Fridays.

Here, P(E) = 0.70 and P(F) = 1-0.70 = 0.30

P(A|E) = 0.95, P(A|F) = 0.10

We need to find the probability that they did not attend on Fridays.

We would use "Bayes theorem":

$P(F\mid A)=\dfrac{P(F).P(A\mid F)}{P(E).P(A\mid E)+P(F).P(A\mid F)}\\\\P(F\mid A)=\dfrac{0.30\times 0.10}{0.70\times 0.95+0.30\times 0.10}\\\\P(F\mid A)=\dfrac{0.03}{0.695}=0.043$

Hence, probability that students who did not attend the class on Fridays given that they passed the course is 0.043.

8 0

3 years ago