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vazorg [7]
4 years ago
11

Find the value of x to the nearest degreea. 30b. 60c. 70d. 85

Mathematics
2 answers:
Step2247 [10]4 years ago
8 0
\tan(\theta) =  \dfrac{\text{opp}}{\text{adj}}

\tan(x) =  \dfrac{\text{19}}{\text{11}}

x = \tan^{-1} \bigg(\dfrac{\text{19}}{\text{11}} \bigg)

x = 60 \textdegree \text{ (nearest whole number) }

Answer: Option B
NARA [144]4 years ago
5 0
X = arctan(base /  height)

x = arctan(19/11)

x = 59.93

x = 60
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Answer:

Step-by-step explanation: How do you find the 3rd angle of a triangle?

Image result for im not sure on how to do this If one angle of a triangle is 30° more than twice another angle, and the third angle is equal to the sum of the first two angles, find the measure of each angle.

The three angles of any triangle add up to 180 degrees. Since you know two angles (35 and 40), add them together, then subtract the total from 180 to determine the degree of the third angle.

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3 years ago
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Step-by-step explanation:

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3 years ago
Solve for x. Round to the nearest tenth if necessary.
timofeeve [1]

Answer: 41.1

Step-by-step explanation:

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Looking at the figure, we see 47°. The labelled angles are adjacent and the hypotenuse. Therefore, we use CAH or cosine.

cos(47)=\frac{28}{x}             [multiply both sides by x]

xcos(47)=28           [divide both sides by cos(47)]

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5 0
3 years ago
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a shape with rotational symmetry can be rotated around a point so that all of its characteristics are maintained
kirza4 [7]

The correct answer to this is “True”.

Symmetry signifies balance and form. An object with rotational symmetry will still look the same after a rotation. Since it maintains its shape and figure after being rotated, therefore its characteristics such as length of the diagonals, the angles of each corner, or parallelism of opposite sides will remain the same.

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After allowing 20% discount on the marked price with 13%
saveliy_v [14]

<u>Answer:</u>

The marked price of the article is 22,600

<u>Explanation: </u>

Given, selling price of an article SP = Rs. 18080

To calculate marked price MP, the formula used is  

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Discount D = 20%

Substituting the given values

SP = \mathrm{MP}\left(1-\frac{20}{100}\right)

18080 = \mathrm{MP}\left(1-\frac{1}{5}\right)

18080=\mathrm{MP}\left(\frac{4}{5}\right)

\mathrm{MP}=\frac{18080 \times 5}{4}

MP = Rs. 22,600

Therefore the marked price of the article is 22,600

6 0
3 years ago
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