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MA_775_DIABLO [31]
2 years ago
9

The first two terms of an arithmetic sequence are 7 and 11. Which of the following is the value

Mathematics
1 answer:
ddd [48]2 years ago
7 0

Answer:

123

Step-by-step explanation:

Add 4 enough times to 11 and you will get there.

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What is an equation of the line that passes through the points (1, -7) and (-4, 8)?
melomori [17]
<h2>Answer:    y + 7  =  -3 (x - 1)</h2>

Step-by-step explanation:

The slope of the line (m) = (y₂ - y₁) ÷ (x₂ - x₁)  

                                       

                                          =  (- 7 - 8) ÷ ( 1 - (- 4))

                                         =    - 15  ÷  5

                                         =  - 3

We can now use the point-slope form to write the equation for this line:

        y - y₁ = m(x - x₁) where (x₁ , y₁) = (1, -7)

             y - (-7) =  -3 ( x  -  1)

              y + 7  =  -3 (x - 1)

3 0
3 years ago
8-2b=-2(b=-3;b=0;b=5)
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3 years ago
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1. The probability of telesales representative making a sale on a customer call is 0.15.
Mumz [18]

Answer:

1c

 n = 33

1d

 n = 19

Step-by-step explanation:

From the question we are told that

   The  probability of telesales representative making a sale on a customer call is  p = 0.15

     The mean is  \mu  =  5

Generally the distribution of sales call  made by a  telesales representative follows a binomial distribution  

i.e  

         X  \~ \ \ \  B(n , p)

and the probability distribution function for binomial  distribution is  

      P(X = x) =  ^{n}C_x *  p^x *  (1- p)^{n-x}

Here C stands for combination hence we are going to be making use of the combination function in our calculators  

Generally the mean is mathematically represented as

     \mu =  n*  p

=>  5= n *  0.15

=>  n = 33

Generally the least number of calls that need to be made by a representative for the  probability of at least 1 sale to exceed 0.95 is mathematically represented as

      P( X \ge 1) = 1 - P( X < 1 ) > 0.95

=>    P( X \ge 1) = 1 - P( X =0 ) > 0.95

=>    P( X \ge 1) = 1 - [ ^{n}C_0 *  (0.15 )^0 *  (1- 0.15)^{n-0}] > 0.95

=>    1 - [1  *  1*  (0.85)^{n}] > 0.95

=>    [(0.85)^{n}] > 0.05

taking natural  log of both sides

n = \frac{ln(0.05)}{ln(0.85)}

=>  n = 19

3 0
2 years ago
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Ksju [112]
It would be B.
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7 0
2 years ago
What is the common ratio in the following geometric sequence?
sesenic [268]

Answer:

Correct answer:  q = 4

Step-by-step explanation:

Given:

3, 12, 48, 192, .....

First term       b₁ = 3

Second term b₂ = 12

Third term     b₃ = 48

Fourth term   b₄ = 192

Common ratio or quotient is:

q = b₂ / b₁ = b₃ / b₂ = 12 / 3 = 48 / 12 = 4

q = 4

God is with you!!!

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3 years ago
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