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steposvetlana [31]
3 years ago
14

Evaluate the tangent of 28° rounded to four decimal places.

Mathematics
2 answers:
Ainat [17]3 years ago
4 0

Answer:

tangent( 28°) = 0.5317.

Step-by-step explanation:

Given : tangent of 28° ,

To find : Evaluate  rounded to four decimal places.

Solution : We have given that

tangent( 28°) = 0.53171....

Rounded to four decimal place = 0.5317.

Therefore,  tangent( 28°) = 0.5317.

DIA [1.3K]3 years ago
3 0
Tangent is a trigonometric function that is equal to the ratio of the lengths of the opposite side and the adjacent side. Using calculator, we yield an answer which is equal to 0.5317 which is already in four decimal places. 
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A right cone has a radius of 13 cm and a slant height of 20 cm. Find its surface area.
devlian [24]

Answer:

A=1347.7\ cm^2

Step-by-step explanation:

Given that,

Radius of a cone, r = 13 cm

Slant height of the cone, l = 20 cm

We need to find the surface area of the cone. The formula for the surface area of the cone is given by :

A=\pi rl +\pi r^2

Put all the values,

A=\pi r(l + r)\\\\A=\pi \times 13(20 + 13)\\\\A=1347.7\ cm^2

So, the surface area of the cone is 1347.7\ cm^2.

5 0
3 years ago
Let the function f be defined as f(x)= 5x^2 - 7(4x+3). What is the value of f(3)
Katen [24]

Answer:

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Step-by-step explanation:

Plug in 3 for x

f(x) = 5x² - 7(4x + 3)

f(x) = 5(3²) - 7(4(3) + 3)

Follow PEMDAS. First, solve the parenthesis

3² = 9

4(3) + 3 = 12 + 3 = 15

f(x) = 5(9) - 7(15)

Multiply

f(x) = 45 - 105

Simplify. Subtract

f(x) = 45 - 105

f(x) = -60

f(x) = -60 is your answer

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4 0
3 years ago
A​ person's rectangular dog pen for his dog must have an area of 200 square feet.​ Also, the length must be 12 feet longer than
kherson [118]

Answer:

width = 9.36 ft

length = 21.36 ft

Step-by-step explanation:

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3 years ago
18.( +4). 56 solución​
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Answer:joe mom

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Step-by-step explanation:

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3 years ago
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miss Akunina [59]
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3 years ago
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