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Sergeeva-Olga [200]
2 years ago
14

PLS HELP ASAP I DONT HAVE TIME FOR THIS, IT ALSO DETECTS IF ITS RIGHT IR WRONG

Mathematics
2 answers:
lora16 [44]2 years ago
5 0

Answer:

150°so the correct answer is B

Step-by-step explanation:

180- ef =180°-30°=150°

dezoksy [38]2 years ago
4 0

Answer:

150°

Step-by-step explanation:

180-30 = 150

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In a class test of 15 questions, (+4) marks are given for every correct answer, (– 2) marks are
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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

4x – 2z = A

x + y + z = 15

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

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Then the value of y will be

3 + y + 7 = 15

           y = 5

More about the linear system link is given below.

brainly.com/question/20379472

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3 0
2 years ago
Elena walked 12 miles. Then she walked 0.25 that distance. How far did she walk all together? Select all that apply. A: 12+0.25∙
vovangra [49]

Answer:

Step-by-step explanation:

If Elena walk 12 miles, and then 0.25 that distance

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3 years ago
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