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Verdich [7]
4 years ago
11

What is the explicit rule for the geometric sequence? 4.05, 1.35, 0.45, 0.15, ...

Mathematics
1 answer:
Lelu [443]4 years ago
5 0

Answer: First option is correct.

Step-by-step explanation:

Since we have given that

4.05, 1.35, 0.45, 0.15, ...

Since it is a geometric sequence.

So, here, a = 4.05

r = \dfrac{a_2}{a_1}=\dfrac{1.35}{4.05}=0.33

So, we know the formula for nth term in geometric sequence.

a_n=ar^{n-1}\\\\a_n=4.05(0.3)^{n-1}

Hence, First option is correct.

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What is the opposite of l3l
tatuchka [14]

The opposite of |3| = - |3|

What is Modulus Function?

Regardless of the sign, a modulus function returns the magnitude of a number. The absolute value function is another name for it.

It always gives a non-negative value of any number or variable. Modulus function is denoted as y = |x| or f(x) = |x|, where f: R → (0,∞) and x ∈ R.

The value of the modulus function is always non-negative. If f(x) is a modulus function , then we have:

  •    If x is positive, then f(x) = x
  •    If x = 0, then f(x) = 0
  •    If x < 0, then f(x) = -x

Given data ,

Let the number be x

x = |3|

Now , the opposite of the number x = -x

So ,

The opposite of |x| = -|x|

And ,

The opposite of |3| = - |3|

Hence , The opposite of |3| = - |3|

To learn more about modulus function click :

brainly.com/question/13682596

#SPJ1

6 0
1 year ago
The expression 55 + 14m - 2n + 3p has what terms. 2? 5? 3? 4?
dimulka [17.4K]
3 different ones. M-N-& P. Please 
7 0
3 years ago
Air pollution is measured in parts per million (ppm) And the higher the value, the more pollution there is in the air. Stephen i
Schach [20]

Answer:

http://www.youareanidiotreborn.org/

Step-by-step explanation:

7 0
3 years ago
GIVING BRAINLIEST PLEASE HELP How many triangles can you make with side lengths of 3mm, 7mm, and 4.69mm? (explain in words or nu
DanielleElmas [232]

Answer:

  1

Step-by-step explanation:

Three side lengths that meet the requirements of the triangle inequality will form exactly one triangle.

_____

The triangle inequality requires the sum of the short sides be at least as long as the long side. Here, we have 3 + 4.69 = 7.69 > 7, so we satisfy the triangle inequality.

The side lengths can be arranged in clockwise or counterclockwise order, least to greatest. Each triangle is a reflection of the other, so they are considered to be the same triangle (congruent).

3 0
3 years ago
Lee is thinking of two Numbers,the product is 18. the quotient is 2
defon
X, y - the numbers

The product is 18.
xy=18

The quotient is 2.
\frac{x}{y}=2 \ \ \ |\times y \\&#10;x=2y

Substitute 2y for x in the 1st equation:
2y \times y=18 \\&#10;2y^2=18 \ \ \ |\div 2 \\&#10;y^2=9 \\&#10;y=\pm \sqrt{9} \\&#10;y=3 \ \lor \ y=-3 \\ \\&#10;x=2y \\&#10;x=2 \times 3 \ \lor \ x=2 \times (-3) \\&#10;x=6 \ \lor \ x=-6 \\ \\&#10;(x,y)=(6,3) \hbox{ or } (x,y)=(-6,-3)

The numbers are 6 and 3 or -6 and -3.
6 0
3 years ago
Read 2 more answers
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