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just olya [345]
2 years ago
9

Given a1 = 1/4 and a common ratio of 8,find the 9th term in the sequence.​

Mathematics
1 answer:
sergey [27]2 years ago
8 0
<h2>PLEASE MARK ME AS BRAINLIEST PLEASE</h2><h3>a1=-256</h3><h3 /><h3>r= -1/4</h3><h3 /><h3>Approximated the sum of the first 17 terms to the nearest tenth. Sum= -204.8</h3>
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Pls help................
Sedaia [141]

Answer:

3 centimeters

Step-by-step explanation:

given ratio is

18 km : 1 cm

Now if km is multiplied by 3, the cm should also be multiplied by 3.

=> 18 x 3 : 1 x 3

=> 54 km : 3 cm

4 0
2 years ago
Read 2 more answers
Ine school librarian said, "We have 10 more than 3 times as many books as we had 5 years 830
professor190 [17]

Answer:

subtract 1510 by 830 and your answer will be..... thats for u too decide sir/mam

5 0
4 years ago
the ratio of boys to girls in mr bakers class is 2 to 3 if there are 30 total students in the class how many more girls are in t
Archy [21]
I believe there would be 6 more girls than boys.
5 0
4 years ago
The sample of eight companies in the aerospace industry, referred to in Exercise 36, was surveyed as to their return on investme
Vera_Pavlovna [14]

Answer:

Sample Variance = 6.008

Sample standard deviation = 2.451

Step-by-step explanation:

We are given the following in the question:

10.6, 12.6, 14.8, 18.2, 12.0, 14.8, 12.2, 15.6

Formula:

\text{Variance} = \displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}  

where x_i are data points, \bar{x} is the mean and n is the number of observations.  

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{110.8}{8} = 13.85

Sum of squares of differences = 42.06

s^2 = \dfrac{42.06}{7} = 6.008

Standard Deviation =

s = \sqrt{s^2} = \sqrt{6.008} = 2.451

6 0
3 years ago
A spinner is divided into 10 equal parts and numbered from 1 through 10. What is the probability of spinning a number less than
r-ruslan [8.4K]
You can count from 6-10 and you would get c) 5/10
5 0
3 years ago
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