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Anna71 [15]
2 years ago
15

Look at the following sequence.

Mathematics
1 answer:
expeople1 [14]2 years ago
6 0

Answer:

r \:  =  \:   \boxed{ \bold{\frac{2}{3} }}

Step-by-step explanation:

  • Calculate the ratio of the progression by dividing a term of it by the immediately preceding one.

r \:  =  \:  \frac{36}{54}  \\  \\ r \:  =  \:  \frac{24}{36}  \\  \\ r \:  =  \:  \frac{16}{24}

  • We simplify the fractions:

r \:  =  \:  \frac{2}{3}  \\  \\ r \:  =  \:  \frac{2}{3}  \\  \\ r \:  =  \:  \frac{2}{3}

Since the ratio is the same, that is the common ratio.

<h3><em><u>MissSpanish</u></em></h3>

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ExtremeBDS [4]

Answer:

  • (3√2 - √10)/4

Step-by-step explanation:

<u>Simplify, rationalize the denominator</u>

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3 0
3 years ago
PLEASE HELP I WILL MARK BRAINLY
Delicious77 [7]

Answer:

a only

Step-by-step explanation:

its a negative change b is a positive and there is no "a and c" choice listed

6 0
3 years ago
The batteries produced in a manufacturing plant have a mean time to failure of 30 months, with a standard deviation of 2 months.
Oduvanchick [21]

Answer:

The population mean.

Step-by-step explanation:

29.9 is the <u>sample</u> mean.

8 0
4 years ago
A group of friends goes out to lunch and decides to split the bill. Their bill is $32.50, plus they want to leave a 20% tip. The
Ilya [14]

Answer:

9.75

Step-by-step explanation:

6.5= 20% of 32.50

32.50+6.5= 39

39/4 = 9.75

5 0
3 years ago
What are the solutions of the equation x4−10x2+9=0? Use u substitution.
PSYCHO15rus [73]

Answer:

Step-by-step explanation:

X^4 - 10X^2 + 9 =0    This factors. It just looks odd.

(x^2 - 1)(x^2 - 9) = 0

x^2 - 1 = (x + 1)(x - 1) = 0

x = 1 and x = - 1

x^2 - 9 = (x + 3)(x - 3) = 0

x = 3

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The correct answer is C (third one down).

7 0
3 years ago
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