# just

Popular questions and responses by just
1. ## Math

Jeff is putting a fence around his rectangular yard. It is 50 feet long and 30 feet wide. The fence posts must be 10 feet apart. How many posts does he need? Draw a picture

2. ## ap chem

a solution is prepared by dissolving 4.87 g of sodium dichromate in 25.0 ml of water. (d=1.00g/mL).calculate a. the mass percent of sodium dichromate in the solution. b. the mass percent o water in the solution. c the mole fraction of sodium dichromate in

3. ## maths

solve quadiratic inequalitiy using product propertise 6xsq -x+3

4. ## PRECAL!

Prove: (3cosx + 4sinx)^2 + (4cosx - 3sinx)^2=5 ...this is all under the square root sign. this is what i did please check. i multipied both binomials. but i get cos square x..and sincosx ..how do i combine them..please help! In this case, after multiplying

5. ## ap chem

I was absent for this info and im stuck. A)calculate the pH in an acid-base titration when 10.00mL o 1.000 m NaOH is added to 50.00 mL of 1.000m HNO2. Ka=6.0x10^-4 B) How many grams of NaC2H3O2 must be added to 500mL o 0.200m HAc to produce a buffer with

1. ## Language Help me

B C A A B 100%

posted on December 14, 2018
2. ## One Last Help

1.C 2.C 3.A 4.B 5.D 100%

posted on December 13, 2018
3. ## Life orientation

Ur all idiots

posted on May 29, 2018