Friday
December 6, 2013

Posts by leah

Total # Posts: 326

math
Pivot the system about the element in row 2, column 1. –5 5 –7 10 4 4

math
pivot the system about the element in row 2, column 1: -5 5 l -7 10 4 l 4

Chemistry
A solution contains a mixture of Cl- and Br- ions. Can both be positively identified? Briefly explain and write appropriate equations to support your answer.

math
A = _,b = 12yd,h = 16 yd

math
what is A = 37.5 cm 2,b = 8 in.;h =

chemistry
a certain solution contains 0.35 mol of HCl in 1200 mL of water. What is the pH of the solution?

Math

maths
Chris wants to put a concrete path and a fence around his rectangular garden. The concrete path will be 1 meter wide and the fence will go around the edge of the path. The garden itself measures 5meter by 8 meters. A) calculate the perimeter of thr fence. B)Calculate the area ...

math
A music store offers a prize to a computer who can guess the closest, the number of jelly beans that fill a litre jar on the counter. Estimate the number of jelly beans in the jar if 1 jelly bean is approximately 2cm long (h) by 1.5cm in diameter(d)

Math
Space C has a base of 20 feet and a height of 24 feet and the two sides are both 26 feet (it is a parrallogram).... Space c will be tiled and used for an eating area. Each tile measures 1 square foot and cost \$2. How much will it cost to tile the floor?

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