Does the infinite geometric series diverge or converge? Explain.

Mathematics

1 answer:

enot [183]3 years ago

6 0

Answer:

C- It Converges, it has a sum

Step-by-step explanation:

Geometric Series Quiz Part 1

1-D NO

2-D 0.972

3-A 12 FEET

4-C 250

5-A 10En=1 (N+2)

6-D 165

7-A 1,365

8-A 19,662

9-C 12,276

10-A 138,037.53

11-C It Converges, it has a sum.

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Solve and graph the inequality. −x4−6≥−8 {"version":"1.1","math":"-x4-6≥-8"} Question 6 options: x ≤ 8 x < –4 x > 8 x ≥ –8

aleksandrvk [35]

1. Answer: x < –4
The question is a bit ambiguous since x4 can be interpreted as x^4. Since there was no option for −x^4−6 ≥ −8 , I will solve the question assuming that the original question was −x(4−6)≥−8
−x(4−6)≥−8 −x(-2)≥−8 ---> multiply x with -2 2x≥−8 ----> divide by 2x≥−4
2. Answer: x≥ -11
To solve inequality using > or < sign, you must be careful because multiplying the inequality with -1 will cause the sign to change direction(< will become > or vice versa). In this case, will solve the question without multiplying it with -1

6.7 ≥−0.2x + 4.5 ----> move -0.2x to left, 6.7 to right
0.2x ≥ 4.5 - 6.7
0.2x ≥ -2.2
x≥ -11

8 0

3 years ago

Read 2 more answers

You are planning a survey of starting salaries for recent computer science majors. In the latest survey by the National Associat

Ad libitum [116K]

Answer:

A sample size of at least 228 must be needed.

Step-by-step explanation:

We are given that in the latest survey by the National Association of Colleges and Employers, the average starting salary was reported to be $61,238. Assume that the standard deviation is $3850.

And we have to find that what sample size do we need to have a margin of error equal to $500 with 95% confidence.

As we know that the Margin of error formula is given by;

<u>Margin of error</u> = $Z_\frac{\alpha}{2} \times \frac{\sigma}{\sqrt{n} }$