Chemistry
If you add enough water to 175.0 mL of a .15 M NaCl solution until the final volume is 350.0 mL, what will the molarity of the diluted solution be?
Math
You have 12 square tiles,each tile measures 1 foot on each side,how many non congruent rectangles can you make ?,each rectangle must use ll 12 tiles
math
A pad of loose-leaf paper is $0.40 less than a notebook. Together they cost $1.80. How much does the loose-leaf paper cost?? The notebook?
Math
Thank you
Math
My answer is 14 +14+9 1/2+9 1/2 and when I add them together I get 47 feet fencing mr Lopez needs to buy
Math
Mr lopez is putting up fence around his garden that is the shape of a rectangle,if the longer sides is 14 feet and the shorter sides is 9 1/2 feet long ,how much fencing should he buy.
collegemath
How high is a wall that cast A 7ft shadow at the same time a 5ft flag pole casts a 5ft shadow
Physics
A horizontal spring is lying on a frictionless surface. One end of the spring is attaches to a wall while the other end is connected to a movable object. The spring and object are compressed by 0.074 m, released from rest, and subsequently oscillate back and forth with an angu...
Physics
A rocket in a fireworks display explodes high in the air. The sound spreads out uniformly in all directions. The intensity of the sound is 3.14 x 10-6 W/m2 at a distance of 121 m from the explosion. Find the distance (in m) from the source at which the intensity is 1.80 x 10-6...
Physics
In a room that is 2.69 m high, a spring (unstrained length = 0.28 m) hangs from the ceiling. A board whose length is 2.22 m is attached to the free end of the spring. The board hangs straight down, so that its 2.22-m length is perpendicular to the floor. The weight of the boar...
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