Dorcas

Most popular questions and responses by Dorcas
1. chemistry

describe how you prepare a 250cm3 of 0.5M solution Na2C03.indicate the variouse laboratory apparatus you will use

2. Math

Construct triangle ABC in which/AB/=7cm,/AC/=9.5cm and B angle A C=120degree. Measure/BC/

3. Math

R is partly constant and partly varies with E when R=530,E=16000 and when R=730,E=3600. i)find the formula which connects R&E i)find R when E=1300.

4. chemistry

describe how you prepare a 250cm3 of 0.5M solution Na2C03.indicate the various laboratory apparatus you will use

5. physics

a train slows from 108km/h with a uniform retardation of 5m/ssquare how long will it take to reach 18km/h and what is the distances

6. Home economics

What are d use of computer in home economics

7. jrotc

what can i include in my essay about general macArthurs speech about duty,honor,country

8. chemistry

If the density of pure acetic acid is 1.005g/cm, what is it molarity

9. math

The scale on a map is 1 inch equals 5 feet . What is the distance between two points on the map that are 8.5 inches apart on the map?

10. english

what is the word that has similar in meaning with good?

11. english

what is the word similar in meanng with occasionally?

12. math

the aquarium's height is 11 inches, width is 8 inches, and length is 20 inches, he wants to replace the water. how much water does the aquarium hold?

13. remainder theorem and factor theorem

X^3+4x^2a-6xa^2+7a^3÷3x-a

14. AP Gov:US

List three problems of decentralized power that existed under the Articles of Confederation. For each problem you listed, indentify one solution that the Constitution provided to address the problem.

15. mahs

calculate the range for 20,44,18,16,27,20,14,18,22,27,16

16. math

i need help with algebra

17. math

what is the value of x if 4:x=24:28

18. maths

what is the mean for 20,14,18,16,27,20,14,18,22,27,16

1. math

Please i didn't very well understand the answer can we explain once again? Thanks

posted on October 29, 2018
2. physics

time of flight t =2* 2hg =2*2*100/10 =2* 200/10 =2* 20 =2*4.47 =8.945

posted on October 14, 2018
3. physics

give me hint for solving it

posted on February 15, 2017
4. maths

7.1km/hr

posted on February 9, 2017
5. physics

5km

posted on February 9, 2017
6. physics

325

posted on October 11, 2016
7. Chemistry

1.7M

posted on February 8, 2013