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xenn [34]
3 years ago
10

Find the 11th term of the arithmetic sequence an=-12 + 4(n-2)a11=__​

Mathematics
1 answer:
Naddik [55]3 years ago
7 0

Answer:

24

Step-by-step explanation:

1) lets substitute 11 in the place of "n"

so

an=-12+4(11-2)

an=-12+4(9)

an=-12+36

an=24

hope this helps

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7 0
3 years ago
In a large population, about 10% of people do not like the taste of cilantro, an herb used in cooking. A researcher takes a rand
bogdanovich [222]

Answer:

0.0019390

Step-by-step explanation:

10% of people do not like the taste of cilantro

A researcher takes a random sample of 15 people and surveys whether they like cilantro

Use the binomial distribution to compute the probability that exactly 6 of the people in the sample do not like cilantro.

Probability of success = 0.10 = p

Probability of failure = 0.9 =q

n = 15

r = 6

Formula : P(X=r)=^nC_rp^r q^{n-r}

P(X=6)=^{15}C_6 (0.1)^6 (0.9)^{15-6}

P(X=6)=\frac{15!}{6!(15-6)!} (0.1)^6 (0.9)^{15-6}

P(X=6)=0.0019390

Hence  the probability that exactly 6 of the people in the sample do not like cilantro is 0.0019390

3 0
3 years ago
How do i find the missing base of a trapezoid?
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7 0
3 years ago
I need help with this questions.
kkurt [141]

#10 )  6/x = 5/11       OR     6/x = 9/19.8  

           5x = 66                   9x = 118.8

             x = 13.2                    x = 13.2


#11  )  original photo is 5 inches by 7 inches, multiply that , = 35 ( area of original photo )

new photo is "3 times larger" so 5 become 15 and 7 become 21 , multiply that which gives you 315 (area of enlarged photo )

take the enlarged photo's area divided by the original photo's area which gives you 9


#12 )   6/8 = x/12

            72 = 8x

               9 = x

#13  )   set equal to find segment TR :  4/10 = 6/x

                                                                   4x = 60

                                                                      x = 15

then find the perimeter of triangle by P = a + b + c

                                                              P = 10 + 12 + 15

                                                              P = 37

3 0
3 years ago
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