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Ainat [17]
3 years ago
15

What are the like terms in this expression? 9a - 3b + 4ab

Mathematics
1 answer:
sergey [27]3 years ago
6 0
There are no like terms
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-1 - I

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DISTRIBUTIVE PROPERTY. 3p-6q=3(______) the answer is p-6 but HOW?!!?!!!??
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The correct answer is p-2q It is not p-6
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How many times does a person blink in 1.5 min
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About 22-30 times in 1.5 minutes
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Jane is studying the weather in Alaska. she recorded the temperature for four days in January, in degrees Fahrenheit, as shown i
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a and c

Step-by-step explanation:

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2 years ago
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A friend has a 83% average before the final exam for a course. That score includes everything but the final, which counts for 25
Klio2033 [76]

Answer:

\mathrm{Best\:course\:grade\:possible:\:}87.25\%,\\\mathrm{Minimum\:score\:on\:final\:to\:earn\:at\:least\:a\:75\%\:for\:the\:course:\:}51\%

Step-by-step explanation:

Assuming the maximum score for the final is 100\%, we can multiply each score by its respective course weight and add them together to give a final score. If your friend did receive this maximum score of 100\%, their overall grade for the course would be:

83(1-0.25)+100(0.25)=\fbox{$87.25\%$}.

To find the minimum score they need to earn a 75% for the course, we set up the following equation:

83(1-0.25)+x(0.25)=75, where x is the minimum score she needs.

Solving, we get:

62.25+x(0.25)=75,\\x(0.25)=12.75,\\x=\fbox{$51\%$}.

8 0
2 years ago
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