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zepelin [54]
3 years ago
11

PLEASE HELP ME I AM HORRIBLE AT TRIGONOMETRY!!! TRIANGLES ARE SO HARD!!!

Mathematics
1 answer:
OleMash [197]3 years ago
8 0

Answer:

A construction worker may use trigonometry when building the roof of a house. They may have to calculate the right angle that hypotenuse must sit at so water doesn't build up on the roof and cause leaks.

(this may be more of an architect's job, as they are the ones that design the houses)

or

An air traffic controller may use trigonometry to find how long it will take an airplane to land/how far the airplane is from the ground while it is in the sky (hypotenuse), based on its height from the ground (opposite) and the distance away from the runway it is (adjacent). They can also calculate the angle of elevation of the airplane from the tower they work in.

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What is the y-intercept of the graph of x=9y-5
levacccp [35]

Answer:

(0,5/9)

Step-by-step explanation:

5 0
3 years ago
The line 2x + 3y - k = 0 bisects the line segment joining the points A(4, -3) and B(-2, 5). Find the value of k.​
lisabon 2012 [21]

Answer:

5

Step-by-step explanation:

The midpoint of segment AB is (1, 1).

Substituting these coordinates into the equation of the line,

2(1)+3(1)-k=0 \\ \\ 5-k=0 \\ \\ k=5

3 0
2 years ago
When given h(x)=-x+4, solve for x when h(x)=0
kow [346]

Answer:

x=4

Step-by-step explanation:

h(x)=-x+4

h(x)-0+4

h(x)=4

7 0
3 years ago
Plz help i give brainliest and points
Harlamova29_29 [7]

Answer:

b) 1 / 4

c) -3

Step-by-step explanation:

b) line passing through points (0,-1) (4,0)

slope = (y2 - y1) / (x2 - x1)

= (0 - (-1) ) / (4 - 0)

= 1 / 4

c) line passing through points (-1,2) (0, -1)

slope = (y2 - y1) / (x2 - x1)

= (-1 - 2) / (0 - (-1) )

= -3 / 1

= -3

8 0
3 years ago
(-4/9)(-5/8) multiply
Setler79 [48]
Multiply numerators:
-4*-5=20

Multiply denominators:
9*8=72

20/72= 10/36
10/36= 5/18

Final answer: 5/18
8 0
3 years ago
Read 2 more answers
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