3 years ago

Does someone knows how to solve this?Completing the Square:x^2-6x=15

Mathematics

1 answer:

Mnenie [13.5K]3 years ago

4 0

The answer to your question is

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3 years ago

Read 2 more answers

Mary is standing out on the balcony of her apartment which is 40 feet above the ground and looks up at a 31° angle to see her fr

Sergio [31]

Answer:

52 feet

Step-by-step explanation:

This situation can be represented by the attached figure as in the answer area.

Let M be the location of Mary.

Let S be the location of Sue.

Distance between apartments is given as 20 feet.

Distance between ground and balcony of Mary is 40 feet.

There is a right angled $\triangle MOS$ .

$\angle OMS = 31^\circ$

To find:

The distance SO + 40 feet.

We can use tangent ratio here in right angled $\triangle MOS$ .

$tan\theta = \dfrac{Perpendicular}{Base}$

$tan31^\circ = \dfrac{SO}{MO}\\\Rightarrow tan31^\circ = \dfrac{SO}{20}\\\Rightarrow SO=20\times 0.6\\\Rightarrow \bold{SO=12\ ft}$

Height of Sue above ground = 40+12 = <em>52 feet</em>

7 0

3 years ago

Does someone knows how to solve this?Completing the Square:x^2-6x=15​

Does someone knows how to solve this?Completing the Square:x^2-6x=15