diazsindy
12.10.2020 •
Mathematics
Ms. Smith decides to give a test worth 90 points and contains 25 questions. Multiple choice questions are worth 3 points and word problems are worth 4 points. How many multiple choice questions are on the test?
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Ответ:
2/3-4/36
24/36-4/36
20/36 also same as 4/9 (D)
2. It's B. (-3*(2*7)=(-3*2)*7
3. -4+(-6)*(-3)
-4+18
-14 (b)