Saturday
October 25, 2014

Posts by myles


Total # Posts: 23

Gr. 12 Physics
A pilot must fly his plane to a town which is 200km from his starting point in a direction 30degrees N of E. He must make the trip in 1/2 h. An 80km/h wind blows in a direction 30degrees E of S. Find the speed of the plane relative to air. I found the speed of the plane ...
September 30, 2012

Chemistry HELPP!!!!!!
We did an experiment and I don't really know how to calculate this question. If you could show me how to do one, then I could do the rest. INFORMATION: HCl = 0.1404 M We placed 0.5 g Ca(OH)2 in 100 mL of the following solutions: Flask A: Distilled Water (8.5 mL of HCl ...
March 26, 2012

Geometry
In ^DEF, the bisector of <F divides the opposite sides into segments that are 4 and 9in long. The side of the triangle adjacent to the 4 in. segment is 6in long. To the nearest tenth of an inch, how long is the third side of the triangle?
February 21, 2012

Geometry
The altitude of the hypotenuse of a right triangle divides the hypotenuse into segments of lengths 14 and 8. What is the length of the altitude?
February 21, 2012

geometry
What is the geometric mean of 7 and 12?
February 21, 2012

geometry
Please Help. MNOP~Qrst with a scale factor of 5:4. MP=85mm. What is the value of QT?
February 19, 2012

Geometry
Please help. The scale factor of ^RST to ^DEC is 3:13. What is the scale factor of ^DEC to ^RST?
February 19, 2012

Geometry
thanks
February 19, 2012

Geometry
Please help. The scale factor of ^RST to ^DEC is 3:13. What is the scale factor of ^DEC to ^RST?
February 19, 2012

Geometry
Please Help. You make a scale draing of a garden plot using the scale 2in.= 17ft. If the length of a row of vegetables on the drawing is 3 in.,how long is he actual row?
February 19, 2012

geometry
Can someone help? Your make a scale drawing of a tree using the scale 5 in. =27 ft. If the tree is 67.5 ft tall, how tall is the scale drawing?
February 18, 2012

chemistry
how would i use 2180 as a c1 or c2?
February 15, 2012

chemistry
Calculate the volume of 2,180 ppm Pb(NO3)2 solution required to prepare 1.2550 L of a 0.0021 M Pb2+ solution.
February 15, 2012

chemistry
Calculate the volume (mL) of 2.06 M magnesium phosphate solution require to prepare 46.20 mL of 2.3998 %w/v solution of Mg3(PO4)2
February 15, 2012

physics
a very bright source of red light has much more energy than a dim source of blue light, but the red light has no effect in ejecting electrons from a certain photosensitive surface. why is this so?
April 18, 2011

algebra 1
how do you graph quadractic function
April 17, 2011

biology
the unique properties of water make life possible on earth, select three properties of water and: a) for each propery, identify and define the property and explain it in terms of the physical/chemical nature of water b) for each property,describe one example of how the ...
December 12, 2010

chemistry
From data below, calculate the total heat (J) needed to convert 0.298 mol of gaseous ethanol (C2H6O) at 401°C and 1 atm to liquid ethanol at 25.0°C and 1 atm.
October 6, 2010

chemistry/thermochem
The bond enthalpy of F2(g) is 156.9 kJ/mol. Calculate ÄH°f for F(g). 1 kJ/mol
October 6, 2010

SCIENCE
WHICH PROCESS PRODUCES MOST OXYGEN IN ATMOSPHERE PHOTOSYNTHESISI OR TRANSPIRATION WHICH GAS DOES PHOTOSYNTHESISI PRODUCE OXYGEN OR CARBON DIOXIDE GRAS--GRASSHOPPER-SNAKE-HAWK IF APART OF A FOOD WEB WOULD MORE MORE ARROWS POINT TOWARD OR AWAY FOR THE SECOND LEVEL CONSUMER WHY
October 28, 2009

MATH/SCIENCE
which process proceds most of the oxygen in earths atmosphere phototsynthesis or transipation what gas does photosyntheses produce carbon dioxide or oxygen grasss-grasshopper--snake--hawk if apart of the food web qouls mORE ARROWS POINT TOWARD OR AWAY FROM 2ND LEVEL
October 28, 2009

Math
82 or is it 34
November 5, 2007

Math
8x6-7x2=
November 5, 2007

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