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inessss [21]
3 years ago
11

20 points Find SW (Triangle Proportionality Theorem)

Mathematics
2 answers:
Leya [2.2K]3 years ago
4 0

Answer:

i think its 20 to  48

Step-by-step explanation:

lys-0071 [83]3 years ago
4 0

Answer: 20 - 48

Step-by-step explanation: i just saw the other dude

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I WILL GIVE U BRANLIEST What is the coefficient of x^2 in the simplified product of
Vikki [24]

Answer:

-14

Step-by-step explanation:

Okay first we must simplify the expression.

so this:(3x^2 + x-2)(x - 5)

becomes this:3x^3-14x^2-7x+10

then we look at the coefficient of x^2 and we see that it's -14

3 0
2 years ago
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-5/4x+2/5=-13/30. What is the solution to ths equation
uysha [10]
2/3 is the answer to this problem.
8 0
3 years ago
Use the "mixed partials" check to see if the following differential equation is exact.
Nadya [2.5K]

Answer:

The equation is exact

F(x,y) = 3x4/4  - 3xy -y2

Step-by-step explanation:

The step by step explanation and to ascertain the exactness of the differential equation is as shown in the attached file.

3 0
2 years ago
You are standing on top of a building looking down at your friend who is getting chased by a zombie. The building is 150 feet ta
Naddika [18.5K]

Answer:

a) 125.865 ft

b) 321.676 ft

c) 195.811 ft

Step-by-step explanation:

Given:-

- The height of the building, H = 150 ft

- The angle of elevation ( friend - top of building ), θ1 = 50°

- The angle of elevation ( zombie - top of building ), θ2 = 25°

Find:-

a) How far away is your friend from the building

b) How far away is the zombie from the building

c) How far away is the zombie from your friend

Solution:-

- We will consider the two right angle triangles with similar height ( H ) which denotes the height of the building.

- The distance your friend is from the building is ( x1 ) and looks up to the top of the building with angle of elevation of ( θ1 ).

- We can apply the trigonometric ratio for the right angle triangle formed between your friend, foot of the building and you ( on top of the building ):

                    tan ( θ1 ) = H / x1

                    x1 = H / tan ( θ1 )

                    x1 = 150 / tan ( 50° )

                    x1 = 125.865 ft    ... Answer ( a )

- The distance zombie is from the building is ( x2 ) and looks up to the top of the building with angle of elevation of ( θ2 ).

- Similarly, apply the appropriate trigonometric ratio for the right angle triangle formed between zombie, foot of the building and you ( on top of the building ):

                    tan ( θ2 ) = H / x2

                    x2 = H / tan ( θ2 )

                    x2 = 150 / tan ( 25° )

                    x2 = 321.676 ft    ... Answer ( b )    

- The distance between your friend and the zombie ( s ) can now be determined from subtracting the distance of your friend from the building from distance of the zombie from the building:

                    s = x2 - x1

                    s = 321.676 - 125.865

                    s =  195.811 ft    ... Answer ( c )              

8 0
3 years ago
8(3+4-1)+2 to the 2 power.<br><br> I need help
Travka [436]

Answer:

2500

Step-by-step explanation:

[8*(3+4-1)+2]^2

First calculate the number inside the round parenthesis as this operation as priority:

3+4-1=6

Then multiply this by 8 because now the multiplication has the highest priority:

8*6=48

Now you can add the 2 to the number you got:

48+2=50

Finally square the number obtained to get the answer:

50^2= 2500

4 0
2 years ago
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