Associative Property of Addition
Detailed Explanation:
This property states that when three or more numbers are added, the sum is the same regardless of the grouping of the addends or the order of the numbers.
Answer:
E. 4/9
Step-by-step explanation:
Let the time when all three were working together is given by t hours.
Hence,
Tom worked for hours and has done part of the job.
Peter worked for hours and has done part of the job.
John worked for t hours and has done part of the job.
As they are completing 1 job, we can equate the equation:
=>
=>
=>
=>
=>
Hence, Peter has done
=
=
Hence, option E is the answer.
Answer:
the answer is C
Step-by-step explanation:
source:Dude trust me
Answer:
Step-by-step explanation: Volume = length x width x height. You only need to know one side to figure out the volume of a cube. The units of measure for volume are cubic units. Volume is in three-dimensions. You can multiply the sides in any order. Which side you call length, width, or height doesn't matter.
Answer:
x=1, y=-1. (1, -1).
Step-by-step explanation:
-x+2y=-3
-8x-3y=-5
----------------
-8(-x+2y)=-8(-3)
-8x-3y=-5
------------------------
8x-16y=24
-8x-3y=-5
-----------------
-19y=19
y=19/-19
y=-1
-x+2(-1)=-3
-x-2=-3
-x=-3+2
-x=-1
x=1
(1, -1)