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denpristay [2]
3 years ago
8

An airplane is flying at a height of 2miles above ground. Distance along the ground from airplane to airport is 5 miles. What is

the angle of depression from airplane to airport?
Mathematics
1 answer:
Artemon [7]3 years ago
3 0
I believe it’s 23.30m.
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The area of a squared lawn and rectangular vegetable garden are equal.The perimeter of lawn is 24 m and its side is twice the br
rjkz [21]

Answer:

g=12

Step-by-step explanation:

4(2y)=24

8y=24

y =  \frac{24}{8}

y=3

{4y}^{2}  = yg

Since we know the value of y we substitude

{4 \times 3}^{2}  = 3g

36=3g

g=12

6 0
2 years ago
When solving the equation 4(3x+2)-9=8x+7, Emily wrote 4(3x+2)=8x+16 as her first step. Which property justifies Emily's first st
nataly862011 [7]
The Addition Property of Equality justifies Emily's first step. She added 9 to both sides, canceling out the minus 9 while keeping the equation equal.
6 0
3 years ago
Which functions have an axis of symmetry of x = -2? Check all that apply. A. f(x) = x^2 + 4x + 3 B. f(x) = x^2 - 4x - 5 C. f(x)
Snowcat [4.5K]

Answer:

A. f(x) = x^2 + 4x + 3

D. f(x) = -2x^2 - 8x + 1

Step-by-step explanation:

The axis of symmetry is found by h = -b/2a  where ax^2 +bx +c

A. f(x) = x^2 + 4x + 3

  h = -4/2*1 = -2    x=-2

B. f(x) = x^2 - 4x - 5

h = - -4/2*1 = 4/2 =2  x=2  not -2

C. f(x) = x^2 + 6x + 2

h =  -6/2*1 = -3/2 =  x=-3/2  not -2

D. f(x) = -2x^2 - 8x + 1

h = - -8/2*-2 = 8/-4 =-2  x=-2  

E. f(x) = -2x^2 + 8x - 2

h = - 8/2*-2 = -8/-4 =2  x=2  not -2

7 0
3 years ago
Write an equation of the line passing through the point A(8, 2) that is perpendicular to the line y = 4x−7.
Kay [80]

Answer:

y = - 1/4 + 4

Step-by-step explanation:

y = 4x - 7

Slope = 4

Slope of the perpendicular line = -1/4

Point (8,2)

(b) y-intercept: 2 - (-1/4)(8)

= 2 + 2 = 4

4 0
2 years ago
Can I get some help with this problem?
vesna_86 [32]
The correct answer is a because all you do is expand it it's just the same thing but longer
8 0
2 years ago
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