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Which substance can not be broken down by a chemical change ? 1) Na(s) 2) NaCl(s) 3) NaCl(aq) 4) H2O(l)
answered
Sep 16, 2023
Chemistry
college
7
votes
58.6k
views
HELP ME PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
answered
Jun 21, 2023
Mathematics
high-school
6
votes
120k
views
What exaclty is a mutation?
answered
Jun 10, 2023
Biology
college
2
votes
171k
views
Simplify the expression
answered
Apr 11, 2023
Mathematics
high-school
1
vote
546
views
4+6x=16 how to solve it
answered
Apr 3, 2023
Mathematics
high-school
12
votes
190k
views
PLEASE HELP I NEED IT What is an equivalent expression for 1.5(3x + 4) + 0.25(6x + 8)?
answered
Nov 20, 2022
Mathematics
college
10
votes
169k
views
:> I need hep with this math thingyyyyyyyyyyyy
answered
Oct 9, 2022
Mathematics
middle-school
2
votes
127k
views
21 miles equal how many feet
answered
Jul 6, 2022
Mathematics
college
2
votes
98.6k
views
How many moles are in 6.20 x 10^24 molecules of H2O?
answered
Jun 23, 2022
Chemistry
high-school
3
votes
88.4k
views
Yooooooooooooo whats up everyone
answered
May 16, 2022
Social Studies
high-school
1
vote
84.4k
views
How does the interaction between Robin Hood and Little John change one or both characters? They both learn that fighting never solves anything. They both learn that it's important to let go of the past.
answered
May 1, 2022
History
middle-school
1
vote
166k
views
-2(-1x + 5y) + 3(2x - 6y) Use distributive property and combine like terms to solve *
answered
Mar 17, 2022
Mathematics
high-school
7
votes
69.4k
views
Brewsters, a ice cream company, has been fairly successful in its market. Lydia sees an opportunity for profit and enters the market. After producing her profit-maximizing level of output, she finds that
answered
Feb 8, 2022
Business
college
5
votes
158k
views
Solve the system of linear equations by substitution 6x-9=y y=-3x
answered
Feb 8, 2022
Mathematics
high-school
5
votes
170k
views
The probability of picking a red marble is 1/5 what are the odds of getting a red marble?
answered
Dec 25, 2021
Mathematics
high-school
6
votes
191k
views
A circle has a radius of 5. An arc of 162 degrees. What is the length of the arc?
answered
Dec 18, 2021
Mathematics
college
3
votes
235k
views
Scientific evidence shows that Earth's diameter, and thus overall size, does not change. This evidence goes against which two theories? A. Expanding Earth B. Plate tectonics O c. Contracting Earth D. Continental
answered
Nov 17, 2021
Chemistry
middle-school
2
votes
26.2k
views
120 yards equal how many inches? Show details.
answered
Sep 30, 2021
Mathematics
middle-school
2
votes
75.7k
views
Why is Dr. Ward being interviewed by the House of Lords Committee?
answered
Sep 22, 2021
History
high-school
5
votes
201k
views
Why did the King most likely give this speech on the steps of the Lincoln Memorial? Group of answer choices so that the speech would be better heard by the audience to show his respect for national monuments
answered
Sep 5, 2021
English
college
2
votes
94.2k
views
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