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Answers by Sarker

Answers by Sarker
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An insulated calorimeter contains 100 g of water at 10 °C. A salt is added to the solution, causing the temperature to drop by 3 °C. Is the heat of solution for the salt endothermic or exothermic?
answered Jun 17, 2021
1 vote
39.8k views
Solve the system 3x - y = 2 and y = x - 1. A. (-2, 2) B. (1/2, -1/2) C. (2, -2) D. (-1/2, 1/2)
answered Apr 25, 2021
3 votes
82.2k views
(-3,7) and (0,-2) find the slope Show steps please
answered Mar 30, 2021
1 vote
56.9k views
If Mike runs 3/5 of a mile in 1/15 of an hour, how many miles would he walk in a full hour?​
answered Mar 4, 2021
2 votes
143k views
SOLVE AND EXPLAIN! b + m = 400?
answered Feb 24, 2021
3 votes
6.1k views
The manager increased the wages by 15 percent (change into passive)
answered Jan 12, 2021
3 votes
180k views
From the sum of a2−2ab+b2 and 2a2+2ab+b2 subtract the sum of a2−b2 and a2+ab+3b2 Every 2 in this problem is meant to be a power of 2
answered Nov 25, 2020
5 votes
193k views
What two numbers add to 5 and multiply to -3
answered Jun 20, 2020
1 vote
206k views
Find the roots of this equation 7xsquare - 5x - 2 = 0
answered Jun 6, 2020
4 votes
16.7k views
SEE PHOTO. Based on the diagram, all of the following are true except... A) cos38 = 24/x B) sin52 = 24/x C) cos38 = x/34 D) cos52 = x/24
answered May 6, 2020
3 votes
203k views
Vanguard has an overall (composite) WACC of 10%, which reflects the cost of capital for its average asset. Its assets vary widely in risk, and Vanguard evaluates low-risk projects with a WACC of 8%, average-risk
answered May 4, 2020
4 votes
39.5k views
Which of the following demonstrates the Commutative Property of Multiplication? (3 points) 3(4a − 2) = 12a − 6 3(4a − 2) = (4a − 2) ⋅ 3 12a − 6 = (4a − 2) ⋅ 3 (3 ⋅ 4a) − 2 = 3(4a − 2)
answered Oct 8, 2019
3 votes
47.9k views
at the sewing store, ava bought a bag of buttons. 21 in all. 21 of the buttons were large. what percentage of the buttons wre large
answered Sep 23, 2019
2 votes
55.6k views
Look at the table of values below. x y 1 3 2 7 3 11 Which equation is represented by the table?
answered Sep 6, 2019
1 vote
182k views
Marlon needs to add a code that indicates the information he will be including on a page. Which of the following codes should he use? A. B. C. D. I think its letter choice, A.
answered Jul 19, 2019
3 votes
64.2k views
A member of an assembly, in a parliamentary sense, is a person having the right to
answered Jan 8, 2019
3 votes
32.1k views
The sun, a pebble dropped in water, and an earthquake can each be a _________ of waves. a. source b. medium c. transmitter d. transporter
answered Feb 21, 2018
5 votes
116k views
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