Answer Key
University
High SchoolCourse
MPM1D | Principles of MathematicsPages
2
Academic year
2023
anon
Views
22
Hwk: Pg. 82: #9. π΄ = 2Οπβ r=4cm h=15 cm Substitute/Replace r by 4 and h by 15 in π΄ = 2Οπβ π΄ = 2Οπ β = 2 Ο 4 ( ) 15 ( ) = 120 Ο The curved surface area of the cylinder with r=4cm and h=15 cm is 120Ο ππ 2 11. πΌπ = 100π π a) m=16, p=14 πΌπ = 100 π π = 100 Γ16 14 = 1600 14 = 800 7 = 114. 3 b)Similarly m=13, p=15 Mastery Test #1 will be on Monday Operations with integers (addition, subtraction, multiplication, division) Order of operations Substitution (Evaluating expressions)
Evaluate the following expressions and hand in your solutions a) 2 ( ) 5 ( ) 7 ( ) = β 10 ( ) β 7 ( ) = 70 b) β20 10 + 8 β2 = β 2 ( ) + β 4 ( ) =β 2 β 4 =β 6 c) β 1 β 5 + 9 β 2 + 3 =β 1 β 5 β 2 + 9 + 3 =ββ 8 + 12 = 4 d) β 4 + 6 ( ) β 3 β 7 ( ) = 2 β β 4 ( ) = 2 + 4 = 6 e) β 8 ( ) + β 7 ( ) + + 14 ( ) β β 1 ( ) =β 8 β 7 + 14 + 1 =β 15 + 15 = 0
Hwk Solutions: Operations with Integers
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