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MAVERICK [17]
3 years ago
5

andi did a test. the test had 20 questions. for each correct answer he gains 5 points and if he errs he loses 2 points. andy ans

wers the questions and at the end is evaluated with 51 points. what is the number of his correct answers?
Mathematics
2 answers:
Elanso [62]3 years ago
8 0

Answer:

10.2

Step-by-step explanation:

because 51 divide by 5 is 10.2 i am not sure

Bess [88]3 years ago
7 0
I guess it’s 10.2 because 1q=10 marks
And 10q = 50 marks
So may be 10 or 10.2 is the correct ans
Hope this may help u
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Answer:

5

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3 years ago
Does someone know how to do this? Pls I will give u brainliest if u do it
Papessa [141]

Answer: LP=15

Step-by-step explanation:

Ok triangle ΔNPL is congruent to ΔNML because they share side LN so side LN = LN

Angle LNP and LNM are right angles so they are congruent.

Sides PN and MN are marked congruent.

With that information we can use SAS to say those triangles are congruent.

This means that side LP=LM

so 10x-5=7x+1

Now we solve

10x-5=7x+1\\10x-5+5=7x+1+5\\10x=7x+6\\10x-7x=7x-7x+6\\3x=6\\\frac{3x}{3} =\frac{6}{3} \\x=2

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3 years ago
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Step-by-step explanation:

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