Which of the following is closest to the average(arithmetic mean)number of cardi

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问题 Which of the following is closest to the average(arithmetic mean)number of cardinal sightings for the 4 seasons?

选项 A、12
B、14
C、16
D、18
E、20

答案 E

解析 The average(arithmetic mean)number of cardinal sightings for the 4 seasons is

, or 19.75. Of the answer choices given, 20 is closest to 19.75.
Thus the correct answer is Choice E.
This explanation uses the following strategies.
Strategy 4: Translate from a Figure to an Arithmetic or Algebraic Representation
Strategy 9: Estimate

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Which of the following is closest to the average(arithmetic mean)number of cardi

Forwhichofthefollowingbirdspeciesisthestandarddeviationofthenumbers

In1993theaverage(arithmeticmean)pricepercardforallgreetingcardssoldw

Whenthedecimalpointofacertainpositivedecimalnumberismovedsixplaces

Thedistributionofthenumbersofhoursthatstudentsatacertaincollegestud

[img]2015m7x/ct_egreqm_egreqtbz1_0049_20153[/img]Whichofthefollowingisclos

Basedontheinformationgiven,whichofthefollowingstatementsaboutInternet

ThenumberofInternetusersintheUnitedStateswasapproximatelyhowmanytim

Iftisanintegerand8m=16t,whichofthefollowingexpressesmintermsof

Fortherectangularsolidbelow,findthefollowing.(a)Surfaceareaofthesoli

ThecirclewithcenterObelowhasradius4.Findthefollowing.(a)Circumferenc

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[originaltext]W:Oh,whatanuisance!M:Hey,Julia.What’sthematter?Youdon

三角形桁架的内力分布不均匀，其特点是()。A.弦杆内力两端小、中间大；腹杆内

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