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Tpy6a [65]
3 years ago
6

The nth term of a sequence is 2n - 6

Mathematics
2 answers:
Reil [10]3 years ago
8 0

Answer:

Step-by-step explanation:

hello : let  An = 2n - 6

1) the first three terms are :

the first term is :  when   n= 1              A1 =2(1)-6 = 2-6 = -4

the second term is :   when   n= 2     A2 = 2(2)-6 = 4-6 = -2

the third term is : when  n= 3            A3 = 2(3)-6 = 6-6=0

2) the tenth term is : when n= 10       A10=2(10)-6 =20-6=14

Serjik [45]3 years ago
6 0

Answer:

Step-by-step explanation:

2n - 6

a) n = 1 ;   2n - 6 = 2*1 - 6  = 2 - 6 = -4

  n = 2 ;   2n - 6 = 2*2 - 6 = 4 - 6 = -2

  n = 3 ;   2n - 6 = 2*3 - 6 = 6 - 6 = 0

b) n=10;  2n - 6 = 2*10 - 6 = 20 - 6 = 14

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Factor completly: x^2-2x-24
melisa1 [442]
<span>x^2-2x-24 = (x - 6)(x + 4)

cause
</span>(x - 6)(x + 4)
= x^2 - 6x + 4x - 24
= x^2 - 2x - 24

answer
(x - 6)(x + 4)

hope it helps
4 0
3 years ago
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I need help solving these problems
cestrela7 [59]

Answer:

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3 years ago
The number of bacteria on a piece of toast triples every
Illusion [34]

Answer:

You begin with 1 bacteria, and after 1 hour it has tripled so you now have 1 x 3=3.

Next hour, it triples again so you now have 1 x 3 x 3=9

You can see the pattern shows that the number of bacteria is multiplying every hour by a factor of 3. An exponent denotes how many times we are multiplying a number by itself, for example: 34 means we are multiplying the number 3 a total of 4 times (3 x 3 x 3 x 3).

Therefore the question is requiring us to triple the number of bacteria every hour for 24 hours, which means we are multiplying by 3 a total of 24 times. This gives us:

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6 0
3 years ago
NO LINKS!! Please help me with this problem​
Anastaziya [24]

Answer:

  y²/324 -x²/36 = 1

Step-by-step explanation:

Where (0, ±b) are the ends of the transverse axis and y = ±(b/a)x describes the asymptotes, the equation of the hyperbola can be written as ...

  y²/b² -x²/a² = 1

<h3>Application</h3>

Here, we have transverse axis endpoints of (0, ±18) and asymptotes of y = ±3x, so we can conclude ...

  b = 18

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The equation of the hyperbola in standard form is ...

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7 0
2 years ago
2-(4p+3)=-3(p+2)-(2p+3)
statuscvo [17]
Ultimately, you want the <em>variable</em> p on one side of the equals sign, and the <em>value</em> of p on the other.

First, get rid of the parenthesis by <em>distributing.

</em>There is an invisible -1 in front of the first and last set of parenthesis, and a one times any number is the number itself, so you are essentially distributing the negative sign. 
<em>
</em>So you have:     2-4p-3 = -3p-6-2p-3
<em>
</em>Next, <em>Combine like terms.
</em>
Can you take it from there?<em>

</em>
8 0
3 years ago
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