Mathematics
Mathematics, 23.11.2019 12:31, gonzalesalexiaouv1bg

Answer asap, i'm on the clock, !

part d

three students evaluated three different expressions using the real number properties and the order of operations. answer each question based on the processes they used and their results.

student 1: 5 - 2(4 + 9) - 11
5 - 2(4) - 2(9) -11
5 - 8 - 18 -11
5 + (-8) + (-18) + (-11)
-3 + (-18) + (-11)
-21 + (-11)
-32
student 2: -9 + (6 + 9) - 42
-9 + (9 + 6) - 42
(-9 + 9) + 6 - 42
0 + 6 - 42
0 + 6 - 16
0 + 6 + (-16)
6 + (-16)
-10
student 3: -4(14) - 32 - 2 ∙ 0
-4(10 + 4) - 32 - 2 ∙ 0
-4(10) - 4(4) - 32 - 2 ∙ 0
-40 - 16 - 32 - 2 ∙ 0
-40 - 16 - 9 - 2 ∙ 0
-56 - 9 - 2 ∙ 0
-65 - 2 ∙ 0
-67 ∙ 0
0

question: multiple choice

which of the students used the commutative property to simplify their expression? select all that are true.

student 1
student 2
student 3
none of the students

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 22.06.2019 00:00, jhenifelix
Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.
Answers: 1
image
Mathematics, 22.06.2019 00:10, abelSeattle
Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.
Answers: 3
image
Mathematics, 22.06.2019 02:30, stressedstudent6402
Chosen according to the volume of oil it can haul, as shown in at a railway yard, locomotives are used to haul containers carrying the table. locomotive capacity a450 0 -750 cubic feet cg35 750-1,500 cubic feet br73 1,500-2,500 cubic feet yh61 2,500-3,500 cubic feet & the four cylindrical containers listed in the table need to be hauled. cylinder length (ft.) diameter (ft.) fill level a 40 , 12 half b 24 8 full c 16 16 full 6 12 full d match each container to the locomotive needed to haulit a450 cylinder a yh61 cylinder d
Answers: 2
image
Mathematics, 22.06.2019 03:40, Hakika
Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?
Answers: 3
Do you know the correct answer?
Answer asap, i'm on the clock, !

part d

three students evaluated three diff...

Questions in other subjects:

Konu
Computers and Technology, 29.07.2019 12:20
Konu
Mathematics, 29.07.2019 12:20