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Darina [25.2K]
2 years ago
15

Find an explicit rule for each geometric sequence using subscript notation. Use a calculator and round your answer to the neares

t tenth if necessary.
The fourth term of the sequence is 234. The sixth term is 104.

The explicit rule for the geometric sequence is an =
Mathematics
1 answer:
BigorU [14]2 years ago
7 0

Answer:

Hence the explicit rule is a(n) 1184.625.

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the water temperature of a swimming pool is 76f. the temperature is currently 74f. which graph shows how much the temperature ne
Nikolay [14]

Answer:

Bacteria, algae and other organisms thrive under warm water conditions this is obviously harmful not just for athletes but the general public in a commercial swimming pool, for competitive pools the water should be no higher than 82°F (28°C), for recreational pools the recommended maximum is 84°F (29°C).

Step-by-step explanation:

3 0
3 years ago
An English professor assigns letter grades on a test according to the following scheme. A: Top 9% of scores B: Scores below the
sergeinik [125]

Answer:

The minimum score required for an A grade is 83.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 72.3 and a standard deviation of 8.

This means that \mu = 72.3, \sigma = 8

Find the minimum score required for an A grade.

This is the 100 - 9 = 91th percentile, which is X when Z has a pvalue of 0.91, so X when Z = 1.34.

Z = \frac{X - \mu}{\sigma}

1.34 = \frac{X - 72.3}{8}

X - 72.3 = 1.34*8

X = 83

The minimum score required for an A grade is 83.

5 0
2 years ago
Rachel's cell phone company charges $0.10 per minute. She used 350 minutes last month and paid $84. writ and solve a linear equa
dimaraw [331]

Answer:

79

Step-by-step explanation:

cuz,
x equals the number of minutes so use the y slope formula

0.10(x)+the intercept = y
0.10(350)+the intercept = 84
35+the intercept = 84
the intercept = 49
so the equation is
0.10(x)+49 = y
or
1/10(x)+49 = y
1/10(300)+49=y
30+49=y
79=y
so the answer is 79 dollars

4 0
2 years ago
What else would need to be congruent to show that ABC DEF by SAS?
s2008m [1.1K]
A) Angle A has to be congruent to Angle D
8 0
3 years ago
Read 2 more answers
Which is the better deal: 8 ounces of shampoo for $0.89 or 12 ounces for 1.47.
Otrada [13]
8 Ounces of shampoo for $0.89
6 0
3 years ago
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