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xxTIMURxx [149]
3 years ago
10

Find the sum Adding and Subtracting Polynomials (2n2−5n−6)+(−n2−3n+11)=

Mathematics
2 answers:
AnnyKZ [126]3 years ago
7 0
<h2><em><u>EXPLANATION :-</u></em></h2>

= (2 {n}^{2} - 5n - 6) + (  - {n}^{2} - 3n  + 11)

= 2 {n}^{2}  - 5n - 6 -  {n}^{2} - 3n  + 11

= 2 {n}^{2} -  {n}^{2}  - 5n - 3n - 6 + 11

= (n²-8n+5)→Answer

I hope that it answer your question...

<u>Mark me Brainliest</u>

Anika [276]3 years ago
6 0
Collect like terms
2n2 i’m gonna assume is 2n^2
and n2 is 2n
2n^2-10n+5
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Find the probability of each event.
jeka57 [31]

Using the binomial distribution, it is found that there is a 0.0108 = 1.08% probability of the coin landing tails up at least nine times.

<h3>What is the binomial distribution formula?</h3>

The formula is:

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

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

The parameters are:

  • x is the number of successes.
  • n is the number of trials.
  • p is the probability of a success on a single trial.

In this problem:

  • The coin is fair, hence p = 0.5.
  • The coin is tossed 10 times, hence n = 10.

The probability that is lands tails up at least nine times is given by:

P(X \geq 9) = P(X = 9) + P(X = 10)

In which:

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

P(X = 9) = C_{10,9}.(0.5)^{9}.(0.5)^{1} = 0.0098

P(X = 10) = C_{10,10}.(0.5)^{10}.(0.5)^{0} = 0.001

Hence:

P(X \geq 9) = P(X = 9) + P(X = 10) = 0.0098 + 0.001 = 0.0108

0.0108 = 1.08% probability of the coin landing tails up at least nine times.

More can be learned about the binomial distribution at brainly.com/question/24863377

#SPJ1

5 0
2 years ago
Pls help with this math problem
sukhopar [10]

Answer:

y = 1500 - 63x. See the attached for a graph.

Step-by-step explanation:

Each withdrawal will total $63, which includes $60 cash and a $3 fee. Then x withdrawals will total 63x dollars. This amount is subtracted from the initial account balance of 1500 to give the amount remaining.

If y represents the account balance, the equation can be written as

... y = 1500 -63x

The graph will have a y-intercept of 1500, and a slope of -63.

7 0
3 years ago
I do all things in zero sums in my head is that possible to be a zero?
elixir [45]
Yes but it dose depend on the problem
6 0
3 years ago
Read 2 more answers
2 1/5 + 1 3/5 = ??? Plz help
jok3333 [9.3K]

Answer:

3 \frac{4}{5}

Step-by-step explanation:

1) Add the whole numbers first.

3  + \frac{1}{5}  +  \frac{3}{5}

2) Join the denominators.

3 +  \frac{1 + 3}{5}

3) Simplify.

3 \frac{4}{5}

hence, the answer is 3 4/5.

5 0
2 years ago
Determine the explicit formula in the sequence 11, 14, 19, 26, 35
slamgirl [31]

Answer:

Pattern is you add odd numbers, as in 1, 3, 5, 7, 9, etc.

Step-by-step explanation:

11 + 3 = 14

14 + 5 = 19

19 + 7 = 26

26 + 9 = 35

hope this helps

3 0
2 years ago
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