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valentinak56 [21]
3 years ago
13

the diagram shows a triangle 3x-1,3x and 4x-1. The perimeter of the triangle is 70 cm. The area of the triangle is a^2 cm. What

is the value of a?
Mathematics
1 answer:
pychu [463]3 years ago
8 0

Answer:

4x

Step-by-step explanation:

45

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108 - 271 + 215-_____= -103
kupik [55]
108-271+215-_____=-103
Im going to combine the first thee numbers and replace the blank with a variable, lets use x. 
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now I am going to subtract 52 on both sides to get the variable alone
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Im going to multiply both sides to eliminate the negitive in the variable
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If you want to check just plug 155 into the blank
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so after checking work the blank is equal to 155.


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