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Rasek [7]
3 years ago
13

A plane is descending towards a runway in Chicago. The plane is flying at an altitude of 7 miles and is 190 miles from the runwa

y, as measured from the ground. What angle will the plane's path make with the runway?
Mathematics
1 answer:
KengaRu [80]3 years ago
3 0

height = 7 miles, base dimension is 190 miles

 to find the angle on the ground up to the plane

 use arctan(7/190)

acrtan on a calculator is tan^-1


arctan(7/190) = 2.1099 degrees. Round off as necessary

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7 0
3 years ago
Find the missing side lengths. Leave your answers as radicals in simplest form. Please help!! Due today
Nataly_w [17]

Answer:

m = 10\sqrt 3

n = 10

Step-by-step explanation:

Required

Find m and n

Considering the given angle, we have:

\sin(60) = \frac{Opposite}{Hypotenuse}

This gives:

\sin(60) = \frac{m}{20}

Make m ths subject

m = 20 * \sin(60)

\sin(60) =\frac{\sqrt 3}{2}

So, we have:

m = 20 *\frac{\sqrt 3}{2}

m = 10\sqrt 3

Considering the given angle again, we have:

\cos(60) = \frac{Adjacent}{Hypotenuse}

This gives:

\cos(60) = \frac{n}{20}

Make n the subject

n = 20 * \cos(60)

\sin(60) =\frac{1}{2}

So, we have:

n = 20 *\frac{1}{2}

n = 10

5 0
2 years ago
6. NO CALCULATOR (except for checking) [VIPP #5] Solve the linear equation. Write solutions in set notation or in sentence form.
GrogVix [38]

Answer:

X_2

Step-by-step explanation:

X_2/5+2X+1/2= 12x_1/10

6 0
3 years ago
Tell whether the lines through the given points are parallel, perpendicular, or neither.
ira [324]

Answer: Line 1: (2, 3) , (4, 12)

m = (12 - 3)/(4 - 2) = 9/2  This is the slope of the line

y = (9/2)x + b

3 = (9/2)(2) + b

3 = 9 + b

b = -6

y = (9/2)x  - 6

 

Line 2: (5, 10) , (14,8)

m = (8 - 10)/(14 - 5) = -2/9

this slope is the opposite sign, and inverse of the first equation's slope.  Therefore, the line is perpendicular.

y = mx + b

8 = (-2/9)(14) + b

8 = -28/9 + b

11.11 = b

y = (-2/9)x + 11.11

Step-by-step explanation: Hope this helps :)

7 0
2 years ago
I need some help please
Mama L [17]

Answer: 4

4 is the correct answer




5 0
3 years ago
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