1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
frozen [14]
3 years ago
7

Find the area of a triangle with sides a = 5 b = 8 and c = 11

Mathematics
2 answers:
Ann [662]3 years ago
5 0
That would be a Area of 18.33
galben [10]3 years ago
4 0
The area would be 18.33
You might be interested in
Someone please help me will give BRAILIEST!!!!!!
Misha Larkins [42]
The answer would be 1/5
8 0
3 years ago
Consider writing onto a computer disk and then sending it through a certifier that counts the number of missing pulses. Suppose
Furkat [3]

Answer:

a) 0.164 = 16.4% probability that a disk has exactly one missing pulse

b) 0.017 = 1.7% probability that a disk has at least two missing pulses

c) 0.671 = 67.1% probability that neither contains a missing pulse

Step-by-step explanation:

To solve this question, we need to understand the Poisson distribution and the binomial distribution(for item c).

Poisson distribution:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}


In which

x is the number of sucesses


e = 2.71828 is the Euler number

\mu is the mean in the given interval.

Binomial distribution:

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

Poisson mean:

\mu = 0.2

a. What is the probability that a disk has exactly one missing pulse?

One disk, so Poisson.

This is P(X = 1).

P(X = 1) = \frac{e^{-0.2}*0.2^{1}}{(1)!} = 0.164


0.164 = 16.4% probability that a disk has exactly one missing pulse

b. What is the probability that a disk has at least two missing pulses?

P(X \geq 2) = 1 - P(X < 2)

In which

P(X < 2) = P(X = 0) + P(X = 1)

In which

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}&#10;

P(X = 0) = \frac{e^{-0.2}*0.2^{0}}{(0)!} = 0.819

P(X = 1) = \frac{e^{-0.2}*0.2^{1}}{(1)!} = 0.164&#10;

P(X < 2) = P(X = 0) + P(X = 1) = 0.819 + 0.164 = 0.983

P(X \geq 2) = 1 - P(X < 2) = 1 - 0.983 = 0.017

0.017 = 1.7% probability that a disk has at least two missing pulses

c. If two disks are independently selected, what is the probability that neither contains a missing pulse?

Two disks, so binomial with n = 2.

A disk has a 0.819 probability of containing no missing pulse, and a 1 - 0.819 = 0.181 probability of containing a missing pulse, so p = 0.181

We want to find P(X = 0).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{2,0}.(0.181)^{0}.(0.819)^{2} = 0.671

0.671 = 67.1% probability that neither contains a missing pulse

8 0
3 years ago
If the scale factor of my dilation is 4 , what is happening to my shape ?
anygoal [31]

Answer:

The shape is the same

Step-by-step explanation:

we know that

A dilation is a non rigid transformation, that change the size but not the shape of the original  figure

so

If the dilation scale factor is 4, the figure size increases by 4, but the shape remains the same

4 0
3 years ago
Students have 40 minuets to complete 50 questions on the aspire ___ test
Murljashka [212]
I believe the answer to this is C. English.
3 0
3 years ago
Read 2 more answers
MATHHHHH!!!! HELP ME OUTTT
Xelga [282]

Answer:a

Step-by-step explanation:hhehenndherndur

8 0
3 years ago
Other questions:
  • I am 5 more than 6 times 10?what number am i?
    11·2 answers
  • ¡ HELP Plz !<br> Rewrite this equation in standard form.<br> y=-8x+2/7
    5·1 answer
  • Use the grouping method to factor x3 + x2 + 2x + 2.
    5·2 answers
  • Graph the first six terms of a sequence where a, = 4 and r = 2.
    15·1 answer
  • Jaylen has decided to purchase a $14,750 car and would like to finance it for
    10·1 answer
  • Abe, Bob, Carl, Dan and Earl are going to stand in line for a photo. What is the probability that the boys will stand in alphabe
    6·1 answer
  • Does the graph shown below represent y as a linear function of x?
    10·1 answer
  • 3-5b=3-b-4b <br> no solution, one solution,<br> infinitely many solutions
    5·1 answer
  • 200,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000+1
    9·1 answer
  • (100 Points) Given f of x is equal to 10 divided by the quantity x squared minus 7x minus 30, which of the following is true?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!