What type of sequence is this? * 9, 14, 19, 24, 29, ..

Mathematics

1 answer:

dlinn [17]3 years ago

8 0

Answer:

an arithmetic sequence

Step-by-step explanation:

I think it's because it adds 5 each time and in arithmetic sequences there's a common difference, so it'd be an arithmetic sequence :)

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What is the next term of the geometric sequence? 72,36, 18,

Stolb23 [73]

Answer:

Step-by-step explanation:

To find the common ratio, take the second term and divide by the first

36/72 = 1/2

To find the next term, take the last term and multiply by the common ratio

18*1/2 = 9

7 0

4 years ago

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The lengths of Brian's isopods were 16 mm, 14 mm, 6 mm,

Ilia_Sergeevich [38]

Answer:

72 mm total and 10.29 mm average.

Step-by-step explanation:

16 mm

14 mm

6 mm

3 mm

18 mm

5 mm

10 mm

72 mm total length

Divide by 7: 72/7 = 10.29 mm

6 0

3 years ago

A researcher wished to compare the effect of two stepping heights (low and high) on heart rate in a step-aerobics workout. A col

Alinara [238K]

Answer:

The answer is "between 0.10 and 0.05".

Step-by-step explanation:

For sample 1:

$n_1 = 25\\\\\bar{x_1} = 90.00\\\\ s_1 = 9\\\\$

For sample 2:

$n_2 = 25\\\\ \bar{x_2} = 95.08\\\\ S_2 = 12\\\\$

Calculating the null and alternative hypotheses:

$H_O : \mu_1 = \mu_2 \\\\ H_Q : \mu_1$

Calculating the test statistic:

$Z= \frac{90-95.08}{ \sqrt{\frac{9^2}{25}+\frac{12^2}{25}}} \\\\ =\frac{-5.08}{ \sqrt{\frac{81}{25}+\frac{144}{25}}}\\\\=\frac{-5.08}{ \sqrt{\frac{81+144}{25}}}\\\\=\frac{-5.08}{ \sqrt{\frac{225}{25}}}\\\\=\frac{-5.08}{ \frac{15}{5}}\\\\=\frac{-5.08}{3}\\\\= -1.693$