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Dmitrij [34]
2 years ago
12

What is the value of n?

Mathematics
1 answer:
Inessa05 [86]2 years ago
4 0

Answer:

Step-by-step explanation:

Yo figure it out there is a 90* and a 60*. first solve for m then multiply m by 36 so the equation is 36m = n

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A rectangular enclosure is to be created using 82m rope.
atroni [7]
Let
x-----> the length of rectangle
y-----> the width of rectangle

we know that 
perimeter of rectangle=2*[x+y]
perimeter of rectangle=82 m
82=2*[x+y]---> divide by 2 both sides---> 41=x+y--> y=41-x---> equation 1

Area of rectangle=x*y
substitute equation 1 in the area formula
Area=x*[41-x]----> 41x-x²

using a graph tool
see the attached figure

the vertex is the point (20.5,420.25)
that means
 for x=20.5 m ( length of rectangle)
the area is 420.25 m²

y=420.25/20.5----> 20.5 m

the dimensions are
20.5 m x 20.5 m------> is a square

the answer part 1) 
<span>the dimensions of the rectangular with Maximum area is a square with length side 20.5 meters
</span>
Part 2)<span>b) Suppose 41 barriers each 2m long, are used instead. Can the same area be enclosed?
</span>divide the length side of the square by 2
so
20.5/2=10.25--------> 10 barriers
the dimensions are 10 barriers x 10 barriers
10 barriers=10*2---> 20 m

the area enclosed with barriers is =20*20----> 400 m²

400 m² < 420.25 m²
so

the answer Part 2) is 
<span>the area enclosed by the barriers is less than the area enclosed by the rope
</span>
Part 3)<span>How much more area can be enclosed if the rope is used instead of the barriers
</span>
area using the rope=420.25 m²
area using the barriers=400 m²

420.25-400=20.25 m²

the answer part 3) is
20.25 m²

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=2%20%20%5Ctimes%201%20%5C%5C%206%5C%20%20%5Ctimes%203" id="TexFormula1" title="2 \times 1 \\
boyakko [2]

Answer:

2 *1 =2

6*3=18

Step-by-step explanation:

5 0
3 years ago
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NO DUMB ANSWERS PLZZ!!! GIVING A LOT OF POINTS!!! QUICK
Mila [183]

Answer:

50 in^2

Step-by-step explanation:

Area = area of rectangle - 2 * (area of the 2 spaces)

= 10*12 - 2(5*7)

= 120 - 70#=- 50 in^2.

5 0
3 years ago
If a ∥ b and e ∥ f, what is the value of y? 87 88 91 92
kap26 [50]
If a || b  and e|| f
then
x + 1 = y
y + z = 180
z = x - 3
x = 91 and y = 92 and z = 88

answer is 92
3 0
3 years ago
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The scale on a map is 1:200000. What is the distance on the map in cm for a real distance of:
Tju [1.3M]
The answer to your question is A
8 0
2 years ago
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