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Pavlova-9 [17]
3 years ago
11

Please ANswer ASAP & show all work. If you put an incomplete or absurd answer I WILL report you.

Mathematics
1 answer:
bogdanovich [222]3 years ago
7 0

Answer:

  • 1 ft²

Step-by-step explanation:

The scale factor = 1 : 20

<u>The area is the product of two dimensions, so the area of the model part to actual part is:</u>

  • 1 ² : 20 ² =
  • 1 : 400

<u>If the actual plane has wing area of 400 ft², then the model will have wing area:</u>

  • 400 ft² / 400 = 1 ft²
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*10 POINTS*
Lelechka [254]

Answer:

Joe is 10 years old.

Step-by-step explanation:

x = Joe’s age

4x = 40

x = 40/4

x = 10

7 0
3 years ago
Point E is located at (2, −3), and point F is located at (−2, −1). Find the y-value for the point that is 3 over 4 the distance
12345 [234]

The ratio of the two point is the coordinate at the plane where the two point are divided at the fixed amount of length. The<em> y</em> value of the point that is 3/4 distance from point E to point F is -1.5. thus the option 4 is the correct option.

Given information-

The coordinates of the point E is (2,-3).

the coordinates of the point F is (-2,-1).

As the 3/4 the distance from the point E is the point F is means the points which divides the line EF in the ratio of 3/1.

<h3>Ratio of two point</h3>

The ratio of the two point is the coordinate at the plane where the two point are divided at the fixed amount of length.

Suppose the ratio m:l are the ratio of the two points (x_1,y_1) and (x_2,y_2). Then the coordinate of the point which divide the line at this ratio can be given as,

(x,y)=\left ( \dfrac{mx_2+lx_1\tiems}{m+l} ,\dfrac{my_2+ly_1}{m+l}  \right )

Put the values,

(x,y)=\left ( \dfrac{3\times (-2)+1\times(2)}{3+1} ,\dfrac{3\times (-1)+1\times(-3)}{3+1}  \right )

(x,y)=(-1,-1.5)

Thus the<em> y</em> value of the point that is 3/4 distance from point E to point F is -1.5. thus the option 4 is the correct option.

Learn more about the ratio of the two points here;

brainly.com/question/7102971

6 0
2 years ago
the cost c in dollars for the care and maintenance of a horse and carriage is c= 15x+2000, where x is the number of rides. they
olga nikolaevna [1]
Cost = 15x + 2000
Earning = 35x

At break even, cost = earning

35x = 15x + 2000
20x = 2000
x = 100

100 rides are needed to break even.
8 0
3 years ago
Estimate the value of 2/5
Verizon [17]
D. 2.0 I think it's the correct answer...
7 0
4 years ago
Five more than one third of a number is -2. Find the number
Art [367]
1/3x + 5 = -2 is the way to set up the equation…. You got this!
7 0
3 years ago
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