I need help with #21
1 answer:
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Answer:
4.87 ft
Step-by-step explanation:
The height of the skylight =
The height of the blue △ - the height of the red △
Let <em>b</em> ft be the height of the blue △.
sin 60° =
<em>b</em> = 25 sin 60°
Let <em>r</em> ft be the height of the red △.
tan 40° =
<em>r</em> = 20 tan 40°
The height of the skylight
= 25 sin 60° - 20 tan 40°
= 4.87 ft (rounded to the nearest hundredth)
Answer:
- Both are correct
Step-by-step explanation:
<u>Paul used the following identities:</u>
<u>Anthony used the identity:</u>
The percentages in this problem are defined as follows:
- 155 poems: 100% of 155 poems.
- 31 poems: 20% of 155 poems.
- 186 poems: 120% of 155 poems.
A percentage is calculated as the division of the number of desired outcomes by the number of total outcomes, which is then multiplied by 100% to convert the proportion to a percentage.
From the tape diagram given at the end of the answer, the total number of outcomes is given as follows:
155 poems.
Hence the percentage of 155 poems is of:
155/155 x 100% = 100%.
The percentage of 31 poems is of:
31/155 x 100% = 20%.
The percentage of 186 poems is of:
186/155 x 100% = 120%.
<h3>Missing Information</h3>The tape diagram is given by the image shown at the end of the answer.
More can be learned about percentages at brainly.com/question/24877689
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