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pochemuha
3 years ago
9

In a triangle the ratio of angles is 2:3:4 find the angles​

Mathematics
1 answer:
Dmitry [639]3 years ago
6 0

Answer:

40,60,80

Step-by-step explanation:

2x+3x×4x=180

9x=180

x=20

2x=40

3x=60

4x=80

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Identify each sequence as arithmetic or geometric. Explain your answer, and write an explicit formula for the
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Answer:

Geometric Sequence

Step-by-step explanation:

In this case it is Geometric Sequence as it has a common ratio of 5

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so if we take the third term we will calculate as follows:

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Step-by-step explanation:

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2 years ago
The dean of a college is interested in the proportion of graduates from his college who have a job offer on graduation day. He i
ser-zykov [4K]

Answer:

A. D

B. χ2 > 3.841

C. χ2 = 3.4806

D. 0.0621

Step-by-step explanation:

Question A: The hypotheses the dean should use are:

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b) H0 : π1 - π2 ≤ 0 versus H1 : π1 - π2 > 0.

c) H0 : π1 - π2 ≠ 0 versus H1 : π1 - π2 = 0.

d) H0 : π1 - π2 = 0 versus H1 : π1 - π2 ≠ 0.

Answer: (d)

H0 : π1 - π2 = 0 versus H1 : π1 - π2 ≠ 0.

(B). Referring to the scenario above, the null hypothesis will be rejected if the test statistic is ________.

Answer: χ2 > 3.841

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Answer: χ2 = 3.4806 (using the formula)

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6 0
3 years ago
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