A 20-Meter Line Is Used to Tether a Helium-Filled Balloon

question 173

Multiple Choice

A 20-meter line is used to tether a helium-filled balloon.Because of a breeze, the line makes an angle of approximately 85° with the ground.Use a trigonometric function to write an equation involving the unknown quantity. ​

• A) (where h is height.)
• B) (where h is height.)
• C) (where h is height.)
• D) (where h is height.)
• E) (where h is height.)

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Definitions:

ANOVA Table

A table that summarizes the results and components of variance from an analysis of variance test.

Null Hypotheses

A statistical hypothesis that assumes no effect or no difference in the case being studied.

Alternative Hypotheses

Hypotheses that are considered to be true if the null hypothesis is found to be false, indicating there is a statistical significance.

Sales

Transactions involving the exchange of goods or services for money, measuring the performance and success of a business.