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irakobra [83]
3 years ago
12

Polygon ABCDE and polygon FGHIJ are similar. The area of polygon ABCDE is

Mathematics
2 answers:
Anestetic [448]3 years ago
8 0

Answer:

b 125

Step-by-step explanation:

first you know that you have 2 and 5 as similar numbers you both square them so that they become a ratio of area which is 4/25 after you do 4/25=20/x and you do cross multiply then you find 125. hope that helped understand.

Vladimir79 [104]3 years ago
8 0

Answer:

B.

Step-by-step explanation:

o find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothem. Here is what it means: Perimeter = the sum of the lengths of all the sides. Apothem = a segment that joins the polygon's center to the midpoint of any side that is perpendicular to that side.

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Valentin [98]
13 factored out is 13x - 39 add 39 to both sides it equals 13x=78 and 78 divided by 13 is 6 the anwser is x=6
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2 years ago
The area of a triangle is 11.5 square in the base is 23 in what is the height in inches
coldgirl [10]

Answer:

Height = 1 inch

Step-by-step explanation:

area of triangle = 1/2 x base x height

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       23/23 = height

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6 0
2 years ago
Read 2 more answers
Two months later,The Jensen family takes their moms sedan on a different trip.When she fills the tank,Sally’s mom records the mi
riadik2000 [5.3K]

Answer:

18.04 gallons

Step-by-step explanation:

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If each gallon of gas costs $3.99, then we have to find the volume of the sedan's tank in gallons.

Now, $3.99 is the cost of 1 gallon of gas.

Hence, $71.98 will be the cost of \frac{71.98}{3.99} = 18.04 gallons.

Therefore, the volume of the tank is 18.04 gallons. (Answer)

8 0
3 years ago
457 m as a fraction of 5.4 km
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6 0
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Can anyone help me solve these linear systems using substitution?
vivado [14]

The system of the linear systems of equation using substitution is;

  • x = 2, y = 2
  • x = -20, y = -1

<h3>Linear equation</h3>

3x-y=4

x+2y=6

from (2)

x = 6 - 2y

substitute into (1)

3x-y=4

3(6 - 2y) - y = 4

18 - 6y - y = 4

- 6y - y = 4 - 18

-7y = -14

y = 2

Substitute into

x+2y=6

x + 2(2) = 6

x + 4 = 6

x = 6 - 4

x = 2

2. 2x-y= -39

x+y= -21

From (2)

x = -21 - y

substitute into

2x-y= -39

2(-21 - y) - y = -39

-42 - 2y - y = -39

- 2y - y = -39 + 42

- 3y = 3

y = 3/-3

y = -1

substitute into

x+y= -21

x + (-1) = -21

x - 1 = -21

x = -21 + 1

x = -20

3. 2x+y =11

6x-5y =9

Learn more about linear equation:

brainly.com/question/4074386

#SPJ1

6 0
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