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denis23 [38]
2 years ago
15

A triangle has side lengths of (10x + 7y) centimeters, (3x + 3z) centimeters, and (8z +10y) centimeters. Which expression repres

ents the perimeter, in centimeter of the triangle?
a:20yz+21xz
b:13x+10y+18z
c:6xz+18yz+17xy
d:13x+17y+11z​
Mathematics
1 answer:
Kay [80]2 years ago
8 0

Answer:

(D) 13x + 17y + 11z

is right answer

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If he answered 3 questions correctly, then the number of questions is got wrong is 7 and the number of questions that he did not attempt is 5.

<h3>What is the linear system?</h3>

A linear system is one in which the parameter in the equation has a degree of one. It might have one, two, or even more variables.

In a class test of 15 questions, (+4) marks are given for every correct answer, (– 2) marks are given for every incorrect answer, and 0 marks are given for questions that are not attempted. Punit scored (– 2) marks.

If he answered 3 questions correctly, then the number of the question are got wrong and the number of the question that he did not attempt.

Let x be the correct question and y be the incorrect question, z be the number of questions that he did not attempt, and A be the number of the total score. Then we have

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If A = -2 and x = 3, then we have

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More about the linear system link is given below.

brainly.com/question/20379472

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