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Mathematics 19 Online
OpenStudy (anonymous):

Can someone check my work to see if it's correct?

OpenStudy (iwillrektyou):

I can try. May I see it?

OpenStudy (anonymous):

1. Solve the following problem: -25 + 37 = A) 62 B) -62 C) 12 *** D) -12 2. Solve the following problem: 17 + 50 - 100 = A) -33 *** B) 33 C) 167 D) -167 3. Rewrite the following expression using the Distributive Property. 5(2x - 8) A) -30x B) 10x - 40 C) 10x + 40 *** D) 10x - 8 4. Simplify the following expression: 3(5 - 12) + 4/2 A) -19 B) 19 C) -23 D) -8.5 *** 5. Simplify the following expression: -16 - 8/2 + 25/5 + 1 A) -18 *** B) 6 C) 10 D) -6

OpenStudy (iwillrektyou):

1 and 2 are correct. However, for 3, 5 is distributed into -8, so it would be B) 10x - 40.

OpenStudy (anonymous):

@iwillrektyou Thanks. Are 4 & 5 correct as well?

OpenStudy (iwillrektyou):

#4 is A, because the equation is like this: 3(5-12) + 4/2 --> 15 - 36 + 2 --> -21 + 2 = -19

OpenStudy (iwillrektyou):

For #5: -16 - 8/2 + 25/5 + 1 --> -16 - 4 + 5 + 1 --> -20 + 5 + 1 --> -15 + 1 = -14 Hmmm... Let me check that again, because -14 isn't a choice.

OpenStudy (iwillrektyou):

I am unsure o #5, because none of the choices seem to be correct. I apologize for not being to answer for that question.

OpenStudy (anonymous):

@iwillrektyou No problem. Thanks so much for your help! :)

OpenStudy (iwillrektyou):

Thank you for your patience! :)

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