Estimate 12.56+12.69 using front-end estimation.
a. about $25.30
b. about $2...
Mathematics, 04.12.2019 17:31 Tirone
Estimate 12.56+12.69 using front-end estimation.
a. about $25.30
b. about $26.30
c. about $26.80
d. about $23.80
Answers: 2
Mathematics, 21.06.2019 23:50
How are algebraic expressions evaluated using substitution?
Answers: 1
Mathematics, 22.06.2019 03:30
Nina has prepared the following two-column proof below. she is given that ∠oln ≅ ∠lno and she is trying to prove that ol ≅ on. triangle oln, where angle oln is congruent to angle lno step statement reason 1 ∠oln ≅ ∠lno given 2 draw oe as a perpendicular bisector to ln by construction 3 ∠leo ≅ ∠neo transitive property of equality 4 m∠leo = 90° definition of a perpendicular bisector 5 m∠neo = 90° definition of a perpendicular bisector 6 le ≅ en definition of a perpendicular bisector 7 δole ≅ δone side-angle-side (sas) postulate 8 ol ≅ on cpctc nina made two errors in the proof. identify and correct the errors.
Answers: 3
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