Mathematics, 26.08.2019 08:20 kayleevilla
Arlene is showing her work in simplifying β7.9 + 8.2 β 3.4 + 2.1. identify any errors in her work or in her reasoning. write feedback to arlene explaining the mistake she made and how to correct her work.
step
work
reasoning
β7.9 + 8.2 β 3.4 + 2.1 original problem
1 β7.9 + 8.2 + (β3.4) + 2.1 additive inverse
2 β7.9 + (β3.4) + 8.2 + 2.1 associative property
3 (β7.9 + (β3.4)) + (8.2 + 2.1) commutative property
4 β11.3 + 10.3 simplify
5 β1 simplify
i feel like it has to do with 2 okennedy sent a letter to khrushchev declaring that the united states would not permit offensive weapons to be delivered to cuba, and demanded that the soviets dismantle the missile bases already under construction or completed, and return all offensive weapons to the u. s.s. r. the letter was the first in a series of direct and indirect communications between the white house and the kremlin throughout the remainder of the crisis. r 3 but idk
Answers: 1
Mathematics, 21.06.2019 17:00
Find the value of the variable and the length of each secant segment.
Answers: 1
Mathematics, 21.06.2019 19:00
Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.
Answers: 1
Mathematics, 21.06.2019 20:00
Which sums are equal to 1hold 6/8? choose all answers that are correcta.1/8+6/8b.12/8+2/8c.8/8+1/8+1/8+1/8+1/8+1/8+1/8d.8/8+6/8
Answers: 1
Arlene is showing her work in simplifying β7.9 + 8.2 β 3.4 + 2.1. identify any errors in her work or...
Social Studies, 12.09.2021 16:30
English, 12.09.2021 16:30
Biology, 12.09.2021 16:30
English, 12.09.2021 16:30
Mathematics, 12.09.2021 16:30
English, 12.09.2021 16:30
English, 12.09.2021 16:30
World Languages, 12.09.2021 16:30