Answer:
that will be 2130,1
Step-by-step explanation:
Elimination:
-4x+y=6
-5x-y=21 ...and then u add them together so its;
(the y cancelled out so its 0) x =27
plug in the 27 to any x...
-4(27) + y = 6
-108+y=6
add -108 on both sides so its...
y= -102
(27, -102)
Hope this helped :)
Answer:
I can't see three but I'll answer the first two.
Step-by-step explanation:
Number one: The first, third, and fifth options are correct,
Number two: A is correct because if you divide 3/4 you get 0.75. Check by multiplying 0.75 for one by 4 and you get three dollars.
So for three, one pound of pears costs two dollars. That is consistent with the graphs. Pick the answer that states that the best.
Answer:10.5
Step-by-step explanation: I hope this helps
1) The population
Is the set of all the terms that the teacher taught this semester and which he wrote down on the note cards and put in the paper bag.
2) The sample is every set of five cards that is selected by each student.
3) I think the sample is representative because all ther terms have the same probability of being selected.
Further, given that the cards are replaced every time all the students will face the same population when they are going to select a sample.
