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marta [7]
2 years ago
5

What is the 8th term of a(n)=6•3^(n-1)

Mathematics
1 answer:
faltersainse [42]2 years ago
6 0

Answer:

13122

Step-by-step explanation:

a(n) = 6 * 3^(n -1)

a(8) = 6* 3^7

3^7 = 2187

a(8) =6 * 2187

a(8) = 13122

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Can you guys pls help me with this question
maw [93]

Answer:

the third option

Step-by-step explanation:

108/9 = 12

8 0
2 years ago
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Work out the sum of 1 6 , 4 5 and 2 3 . give your answer as a mixed number in its simplest form.
Tcecarenko [31]

The sum of numbers is = 1 \frac{19}{30}

First find the least common denominator of 1/6, 4/5, and 2/3. The least common denominator of that list is: 30.

= 1/6 + 4/5 + 2/3

= \frac{5+24+20}{30}

= 49 / 30

The sum of numbers in mixed fraction  = 1 \frac{19}{30}

<h3>What is mixed fraction?</h3>

A fraction represented with its quotient and remainder is a mixed fraction. For example, 2 1/3 is a mixed fraction, where 2 is the quotient, 1 is the remainder. So, a mixed fraction is a combination of a whole number and a proper fraction.

To learn more about mixed fraction from the given link

brainly.com/question/414559

#SPJ4

6 0
2 years ago
HELP PLEASE ANSWER THIS <br><br>50 times 5​
rjkz [21]
100
Bsjevdjdvdhdvdjdgduydjrey
4 0
2 years ago
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Find the slope of the line whose equation is 7x-2y=4
borishaifa [10]

Answer:

\huge\boxed{\text{Slope: } \frac{7}{2}}

Step-by-step explanation:

In order to find the slope of this equation, we can convert it into slope-intercept form, where we can find the slope more easily.

Slope intercept form is usually in the form y=mx+b, where m is the slope and b is the y-intercept.

Let's algebraically manipulate this problem so we solve for y.

  • 7x - 2y = 4
  • -2y = 4 - 7x <em>(Subtract 7x from both sides)</em>
  • y = -2 + \frac{7}{2}x <em>(Divide both sides by -2)</em>
  • y = \frac{7}{2}x-2 <em>(Rearrange the equation</em>)

From here, we can now see our equation is y = \frac{7}{2}x-2, in the form y=mx+b. Since m is the slope, and \frac{7}{2} is m, our slope is \frac{7}{2}.

Hope this helped!

6 0
3 years ago
Read 2 more answers
Accrotime is a manufacturer of quartz crystal watches. Accrotime researchers have shown that the watches have an average life of
kirza4 [7]

Answer:

a

   P(X <  24 )=  21.186\%  

b

    x =  19.78 \  months

Step-by-step explanation:

From the question we are told that

 The mean is   \mu  =  26 \  months

 The standard deviation is  \sigma  =  4 \  months

 Generally 2 year is  equal to  24 months

Generally the percentage of total production will the company expect to replace is mathematically represented as

      P(X <  24 )=  P(\frac{X - \mu }{ \sigma} <  \frac{24 - 26}{4}  )

Generally  \frac{X - \mu}{\sigma } =Z (The  \ standardized \  value  \  of  \  X )

     P(X <  24 )=  P(Z <  -0.8  )

Generally from the z-table  

       P(Z <  -0.8) =  0.21186

So

       P(X <  24 )=  0.21186

Converting to percentage

      P(X <  24 )=  0.21186  * 100

=>    P(X <  24 )=  21.186\%  

Generally the duration that should be the guarantee period if  Accrotime does not want to make refunds on more than 6% is mathematically evaluated as

    P(X <  x) =  P(\frac{X - \mu }{\sigma}  < \frac{x - 26}{4} )= 0.06

=> P(X <  x) =  P(Z < \frac{x - 26}{4} )= 0.06

From the normal distribution table the z-score for  0.06 at the lower tail  is

       z = -1.555

So

    \frac{x - 26}{4} = -1.555

=> x =  19.78 \  months  

7 0
3 years ago
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