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bezimeni [28]
3 years ago
6

Explain the rule that goes with the pattern 2,6,18,54,162

Mathematics
2 answers:
iris [78.8K]3 years ago
7 0
The rule is times 3.
2*3=6
6*3=18
and so on
katovenus [111]3 years ago
4 0
You multiply it by 3 each time. hope this helps you
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What are the values of a1 and r of the geometric series?
tester [92]

Answer:

r = 1/3

= 1

Step-by-step explanation:

1 + 1/3 + 1/9 + 1/27 + 1/ 81

In this series a is the first  term = 1

r is the common ratio = 2nd term/1st term = 3rd term/ 2nd term

r = 1/3 ÷ 1 = 1/9 ÷ 1/3

r = 1/3

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4 0
3 years ago
Ok this is stressin me out anyone know this
Levart [38]
X=7.
9x-7y=63
9x-7 x 0=63
9x - 0=63
9x=63
X=7.

Y=-9
9 x 0 -7y=63
8 0
2 years ago
Justify each statement with a property of equality, a property of congruence, or a
LenKa [72]

Reflexive property of Equality is your answer!

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3 0
3 years ago
The fish population of Lake Collins is decreasing at a rate of 3% per year. In 2004 there were about 1,300 fish. Write an expone
Sergeu [11.5K]
For this case we have a function of the form:
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y = 1083
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y = 1300 * (0.97) ^ x
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6 0
3 years ago
Read 2 more answers
Factors of x3 – 9x2 + 5x – 45 by grouping
kati45 [8]
Important:  Use the symbol "^" to denote exponentiation:

<span>x3 – 9x2 + 5x – 45        NO
</span><span>x^3 – 9x^2 + 5x – 45    YES

Look at the first 2 terms.  They can be rewritten as x^2(x-9).  Then look at the last 2 terms.  They can be rewritten as 5(x-9).  So, x-9 is the common factor here.   Thus, the original expression becomes:

(x^2-5)(x-9).

Note that x^2-5 can be factored, so that the final 3 factors are:

(x-sqrt(5)), (x+sqrt(5)), (x-9).</span>
8 0
3 years ago
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