Valentine

Most popular questions and responses by Valentine
1. chemistry

CaO(s) reacts with SO2(g) according to the following equations: CaO9(s)+So2(g)--> CaSO3(g). A 8.85g mixture containing CaO(s) is placed in a 3.00-L container. The container is filled with SO2(g) to a pressure of 749 torr, at 20.0 degree Celsius. After the

2. math

Using a ruler and a pair of compasses only, construct triangle ABC in which angle BAC is 45 degrees, side AB is 7cm and side AC is 9cm. Locate P, inside the triangle ABC, which is 5cm from A and equidistant from B and C

3. MATH

PROVE THAT sin3Asin6A+sinAsin2A/sin3Acos6A+sinAcos2A

4. algebra

The base of a triangle is 8 cm greater than the height. The area is 64 cm^2. Find the height and the length of the base.

5. algebra

Jack usually mows his lawn in 4 hours. Marilyn can mow the same yard in 5 hours. How much time would it take for them to mow the lawn together?

6. algebra

Television sets. What does it mean to refer to a 20-in TV set or a 25-in TV set? Such units refer to the diagonal of the screen. A 10-in TV set also has a width of 8 inches. What is its height?

7. HELP! URGENT! (geometry)

Helen stands 66 m away from the base of the tree. If the line of sight makes an angle of 30 with the top of the tree with respect to the horizon. What is the height (h) of the tree?

8. algebra

Amy paid \$87.27 for a pair of running shoes during a 15%-off sale. What was the regular price?

9. math

the solution is (2/3,-1/2)(-3,-8) and he formula is f(x)=mx+b given the slope and one point

10. Life orientation

Three checks and balanced that are in place in south africa that control and regulate media?

11. Math

Helen stands 66 m away from the base of the tree. If the line of sight makes an angle of 30 with the top of the tree with respect to the horizon. What is the height (h) of the tree?

1. Early Literacy

Cause of language diversity may be trade,education,culture and tradition ,life style,different species

posted on October 24, 2018
2. Math

1:C 2:B 3:A 4:C 5:D is 100% correct

posted on March 1, 2017
3. Math for Ms. Sue please! Last math questions!

ALL OF THE ABOVE ARE WRONG THANKS GUYS BECAUSE OF YOU I GOT 2 OUT OF 7 the real answers are 1:D 2:A 3:C 4:A 5:B 6:A 7:C and I didn't have eight questions I only had 7 but these are for lesson 10 unit 2 Similar shapes

posted on February 24, 2017
4. ROCKS :D just want to make sure.

Santana and Pam are 100% right B B B A

posted on February 21, 2017
5. math

jeni jedi is correct

posted on February 16, 2017
6. social studies

James is right the Answers are 1:D 2:C 3:D 4:A

posted on February 13, 2017