3a+4+b+2a+5+b Simplified the expression

Mathematics

2 answers:

Masteriza [31]2 years ago

6 0

Answer:

5a + 9 + 2b

Step-by-step explanation:

(3a + 2a) + (4 + 5) + (b + b)

5a + 9 + 2b

Shkiper50 [21]2 years ago

3 0

Add
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5
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9

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Answer:

The height of the bullding is 717 ft

Step-by-step explanation:

Right Triangles

The trigonometric ratios (sine, cosine, tangent, etc.) are defined as relations between the triangle's side lengths.

The tangent ratio for an internal angle A is:

$\displaystyle \tan A=\frac{\text{opposite leg}}{\text{adjacent leg}}$

The image below shows the situation where Ms. M wanted to estimate the height of the Republic Plaza building in downtown Denver.

The angle A is given by his phone's app as A= 82° and the distance from her location and the building is 100 ft. The angle formed by the building and the ground is 90°, thus the tangent ratio must be satisfied. The distance h is the opposite leg to angle A and 100 ft is the adjacent leg, thus:

$\displaystyle \tan 82^\circ=\frac{h}{100}$