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viva [34]
2 years ago
12

Each of the equal sides of an isosceles triangle is 5 times the third side. The perimeter of the triangle is 121 inches. Find th

e sides of the triangle.
Mathematics
1 answer:
Nikitich [7]2 years ago
3 0

Answer:

The third side is 11 inches

the other 2 sides are 55 and 55 inches.

Step-by-step explanation:

X + 2(5x) = 121

x + 10x = 121

11x = 121

x = 121/11

x = 11

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There would be 80 women.
Here's the work:
120 divided by 3 = 40 
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8 0
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If y varies directly as x, and y is 18 when x is 5, which expression can be used to find the value of y when x is 11?
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3 0
3 years ago
Alvin's age is two times Elga's age. The sum of their ages is 63. What is Elga's age?
lawyer [7]

Answer: Alvin = 42 yrs , Elga = 21 yrs

Step-by-step explanation:

Let Elga's age be x , and Alvin's age be y ,since Alvin is two times Elga's age , then

Alvin's age = 2x , that is

y = 2x ............... equation 1

The sum of their ages is 63 implies

x + y = 63 .............. equation 2

Solving the resulting linear equations by substitution method.

Substitute equation 1 into equation 2 , we have

x + 2x = 63

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x = 63/3

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Therefore : Elga is 21 years old , then Alvin will be 21 x 2, which will be 42

8 0
3 years ago
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