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hlannette7005
16.07.2019 •
Mathematics
Evaluate 13 + ab, when a = 2.5 and b = 3. a. 46.5 b. 20.5 c. 18.5 d. 19.5
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Ответ:
So the equation becomes 13 + axb
Lets fill a and b in:
13+(2.5)(3)
In the order of operations (or PEMDAS),we must multiply first.
2.5 x 3 =7.5
Then the equation becomes:
13 + 7.5
No you just add to get your answer which is (B)20.5
Hope this helps!
Ответ: