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astra-53 [7]
3 years ago
12

What is the value of x? Enter your answer in the box

Mathematics
1 answer:
USPshnik [31]3 years ago
8 0
It is equilateral triangle, so the 3 sides have the same length

5x - 22 = 4x - 10
5x - 4x = -10 + 22
x = 12

The value of x is 12
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I need help with this question
SVEN [57.7K]
It is c. Because the original slope is -3 and perpendicular is opposite. So the perp slope is 1/3. C is the answer.
6 0
3 years ago
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
ReWarding Brainly foR correct Answer
serious [3.7K]

Answer:

1 and 4 are statistical questions

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
What are the coordinates for point G?
aliina [53]

Answer:

G: (-2, 0.5)

Step-by-step explanation:

the "X" is -2 and then the "Y" is 0.5 because it is between 0 and 1, so we could the that Y-axis is being added by 0.5 each time.

5 0
3 years ago
60% of a sum of money is $134. Use this fact to work out 30%
Lady_Fox [76]

Answer:

$ 67

Step-by-step explanation:

60% ............... $134

30% ................$ x

x = 30×134/60 = 134/2 = $ 67

3 0
3 years ago
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