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3 years ago

7

( x − 6 )^2 = -4 X =?

1 answer:

grandymaker [24]3 years ago

8 0

There is 2 answers + and -. The i represents a imaginary number... the answer is 6+2i, 6-2i.

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An airplane is flying at a height of 5 kilometers above the ground. The distance along the ground from the airplane to the airpo

Cerrena [4.2K]

$\rule{70mm}{2.9pt}$

$\large \sf{✟ \: Problem \: ✟} :$

An airplane is flying at a height of 5 kilometers above the ground. The distance along the ground from the airplane to the airport is 7 kilometers. What is the angle of depression from the airplane to the airport? (Write the answer to the nearest degree.)

$\rule{70mm}{2.9pt}$

$\large \sf{✟ \: Solution \: ✟} :$

✞ Step 1 ✞: Identify what is asked in the problem.

❒ The angle of depression from the airplane to the airport.

✞ Step 2 ✞: Use appropriate trigonometric ratio to solve the problem.

❒ Since the two legs of the right triangle are part of the problem, hence we use tangent ratio:

$\qquad \qquad \bigstar \: \: \boxed{\tt{ \quad \tan A \degree = \frac{5}{7} \quad}}$

✞ Step 3 ✞: Solution and interpretation.

$: \qquad \large \implies \tt{ \tan A = \frac{5}{7} }$

$: \qquad \large \implies \tt{A = \tan^{ - 1}(\frac{5}{7} )}$

$: \qquad \large \implies \tt{A = 35.54 \approx \pmb{36 \degree}}$

$\rule{70mm}{2.9pt}$

$\large \sf{✟ \: Answer \: ✟} :$

Hence, the angle of depression from the airplane to the airport is approximately 36°.

$\rule{70mm}{2.9pt}$

$\large \bold{✰ \: MrHarold \: ࿐}$

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2 years ago

A regular polygon is defined to be a(n) _____ polygon with congruent sides and congruent angles

Solnce55 [7]

Answer:

Step-by-step explanation:

A regular polygon is defined to be a convex polygon with congruent sides and congruent angles.

Convex means that all interior angles are less than 180 degrees. However, if all interior angles are equal, the polygon has to be convex.

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4 years ago

Dividing of Polynomials

Serjik [45]

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3 years ago

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Afina-wow [57]

There is not enough information to compare the mode. d

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3 years ago

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Solve for x: 7x + 15 = 38<br><br> twenty-three sevenths <br> fifty-three sevenths <br> 23<br> 53

VARVARA [1.3K]

X= 23/7 so twenty-three sevenths

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3 years ago