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Mathematics 7 Online
OpenStudy (acespeedfighter):

Evaluate the expression 3.14(a^2 + ab) when a = 4 and b = 2. (Input decimals only, such as 12.71, as the answer.) (4 points)

OpenStudy (mayankdevnani):

\[\large \bf 3.14(a^2+ab)\] plug a=4 and b=2 \[\large \bf 3.14(16+8)\]

OpenStudy (mayankdevnani):

solve it

OpenStudy (acespeedfighter):

ok

OpenStudy (acespeedfighter):

24 + 3.14?

OpenStudy (mayankdevnani):

24*3.14 not addition

OpenStudy (acespeedfighter):

oh ok sorry

OpenStudy (acespeedfighter):

75.36 You can search for any mathematical expression, using functions such as: sin, cos, sqrt, etc. You can find a complete list of functions here. RadDeg x! Inv sin ln π cos log e tan √ Ans EXP xy ( ) % AC 7 8 9 ÷ 4 5 6 × 1 2 3 − 0 . = +

OpenStudy (acespeedfighter):

so am i right?

OpenStudy (mayankdevnani):

yeah! 75.36 is correct

OpenStudy (acespeedfighter):

yay

OpenStudy (mayankdevnani):

yayy

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