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4vir4ik [10]
2 years ago
8

The school orchestra has 25 woodwinds, 20 percussionists, 15 strings and 40 brass instruments.

Mathematics
2 answers:
alexandr402 [8]2 years ago
6 0
What are the options
tankabanditka [31]2 years ago
4 0

Answer: select all what that apply?

Step-by-step explanation:

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How do I solve equation 24=2a + 6
algol [13]

Answer:

9

Step-by-step explanation:

24 - 6 = 18 divided by 2 is 9 so a must be 9

8 0
3 years ago
PLEASE HELP PLEASE WILL GIVE BRAINLIEST!!!!!!! A retain arithmetic sequence has the following explicit formula for the nth term:
SashulF [63]

In the given question,the given explicit formula is

a_{n) = 4+(n-1)(7)

Which is of the form

a_{n} = a +(n-1)(d)

So the constant difference is 7 here.

Now for the recursive formula

To find the next term, we need to add 7 to the current term, that is

a_{n} = a_{n-1} +7

So the correct option is B

7 0
3 years ago
Write a mixed number for t so 2 3/4 is more than 2 3/4
mixas84 [53]

11/4 is improper but I'm not sure about mixed number can you make it more simple to understand?

6 0
3 years ago
What is the domain for f(x) =26-2x?
anastassius [24]
Domain of f = R .............
7 0
2 years ago
In a recent survey, 60% of the community favored building a health center in their neighborhood. If 14 citizens are chosen, find
andreev551 [17]

Answer:

Probability that exactly 5 of them favor the building of the health center is 0.0408.

Step-by-step explanation:

We are given that in a recent survey, 60% of the community favored building a health center in their neighborhood.

Also, 14 citizens are chosen.

The above situation can be represented through Binomial distribution;

P(X=r) = \binom{n}{r}p^{r} (1-p)^{n-r} ; x = 0,1,2,3,.....

where, n = number of trials (samples) taken = 14 citizens

         r = number of success = exactly 5

        p = probability of success which in our question is % of the community

              favored building a health center in their neighborhood, i.e; 60%

<em>LET X = Number of citizens who favored building of the health center.</em>

So, it means X ~ Binom(n=14, p=0.60)

Now, Probability that exactly 5 of them favor the building of the health center is given by = P(X = 5)

        P(X = 5) = \binom{14}{5} \times 0.60^{5} \times (1-0.60)^{14-5}

                      = 2002 \times 0.60^{5} \times 0.40^{9}

                      = 0.0408

Therefore, Probability that exactly 5 of them favor the building of the health center is 0.0408.

4 0
3 years ago
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