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Calculate the change in length on a copper (Coefficient of linear expansion for copper is 17 * 10-6 / oC) rod that is 25 meters that undergoes a temperature change of 15 o.
answered
Jul 20, 2020
Physics
college
4
votes
193k
views
Cl2 +2KI + 2KCI+12 is an example of which type of reaction? -single-displacement -synthesis -decomposition -combustion
answered
Jan 2, 2020
Chemistry
middle-school
4
votes
125k
views
When 4a-9b=22 and b= -2, what is the value of a? A.-10/3 B.-14/9 C.1 D.4 E.10
answered
Nov 30, 2019
Mathematics
middle-school
4
votes
19.1k
views
9. List five nouns of foreign origin that retained their original plural endings. Write the noun in singular and plural form.
answered
Nov 22, 2019
English
college
3
votes
84.8k
views
During the early 1800s, what factor most contributed to the south having an agricultural economy?
answered
Aug 17, 2019
History
college
3
votes
234k
views
The two energy containing compounds created in the light-dependent reactions that are used in the light-independent reactions are ________ and _________.
answered
Aug 7, 2019
Biology
middle-school
4
votes
195k
views
Which event in japanese history is a direct result of the japanese government signing this treaty?
answered
Jun 11, 2019
History
high-school
2
votes
103k
views
The sequence an = 1(3)^(n − 1) is graphed below: Find the average rate of change between n = 1 and n = 3. A)1/3 B) 1 C) 3 D) 4
answered
Jan 6, 2019
Mathematics
college
1
vote
140k
views
What is the rate of change of an object’s velocity per unit of time known as?
answered
Dec 28, 2018
Physics
high-school
4
votes
89.8k
views
Which property of polynomial addition says that the sum of two polynomials is always a polynomial
answered
Dec 27, 2018
Mathematics
college
6
votes
69.2k
views
How does our culture influence our behavior
answered
Oct 17, 2018
History
high-school
2
votes
230k
views
What is a change that improves a species chance of survival ? a.variation b.adaptation c.genetics d.phenotype
answered
Aug 27, 2018
Biology
middle-school
1
vote
137k
views
Suppose that your experimental formula is mg2o3. what are the implied charges on the ions in mg2o3? do these charges agree with those expected from trends in the periodic table? explain.
answered
Jun 23, 2018
Chemistry
college
4
votes
39.8k
views
Which sentence is grammatically correct? Question 8 options: Yo tener que limpio la casa. Yo tengo que limpiar la casa. Yo tengo limpiar la casa. Yo tengo limpio la casa
answered
Jun 8, 2018
Spanish
high-school
7
votes
235k
views
Use operations of decimal, fraction, and percent numbers to model the following scenarios. In your final answer, include only an equation or proportion modeling the scenario. Do not solve the problems.
answered
Mar 18, 2018
Mathematics
middle-school
6
votes
65.8k
views
Which of the following represents a statistical question
answered
Dec 19, 2017
Mathematics
middle-school
2
votes
224k
views
When Mary is late coming home from work, John decides that it's because she has lost interest in their relationship. This situation illustrates the _______ effect. a. framing B. anchoring C. 20-20 hindsight
answered
Nov 17, 2017
Advanced Placement (AP)
high-school
2
votes
179k
views
A company estimates expenditures of $1.1 million in the first year, $1.4 million in the second year, $1.7 million in the third year, and so on. Assuming this trend continues, what is the expected expenditure
answered
May 19, 2017
Mathematics
high-school
7
votes
74.9k
views
The visible shape or configuration of something.
answered
May 10, 2017
Arts
high-school
3
votes
215k
views
80% of _____ games is 32 games AND 75% of ____ peaches is 15 peaches
answered
Jan 19, 2017
Mathematics
middle-school
0
votes
107k
views
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