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March 27, 2017

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Posts by Francisco

Total # Posts: 18

Science
Dicot is to two seed leaves as blank is to one seed leaf.
March 27, 2017

Statistics
The mean grade in this class last semester was 78.3, and the variance was 49 . The distribution of grades was unimodal and symmetrical. Using this information determine the probability that “Joe”, a random student you know nothing about, other than the fact that they...
February 25, 2016

calculus
The radius of a right circular cylinder is given by sqr( t + 6) and its height is 1/6 sqr(t) , where t is time in seconds and the dimensions are in inches. Find the rate of change of the volume with respect to time.
February 23, 2016

CHEMISTRY
^H FOR CS2+3O>CO2+2SO2
December 17, 2015

fibers and fabrics
To remove a coffee stain from a cotton shirt, you should
October 15, 2015

Algebra
how to find th equation that passes though (1,3) and (8,5) is there a formula to find the answer>
January 20, 2015

physics
A car traveling in a straight line has a velocity of 3.19 m/s at some instant. After 5.4 s, its velocity is 12 m/s. What is its average acceleration in this time interval?
September 29, 2014

math
Thank you
February 11, 2014

math
648 = 9x ÷9 ÷9 72 = X
February 11, 2014

math
A pole 12 feet tall casts a shadow 9 feet long. How tall is a tree that casts a shadow 54 feet long?
February 11, 2014

4th grade math
8×6×2×1 I think
February 11, 2014

Physics
The modern Boeing 747 passenger jet airplane cruises at a speed up to 900 km/hr, at an altitude of 11,000 m. The cabin pressure is maintained equivalent to the atmospheric pressure at an altitude of 2,000 m. This is called the "cabin altitude". The pressure as a ...
January 27, 2013

Physics
On a particular airplane wing, air flows over the upper surface with a speed of 115 m/s and along the bottom surface with a speed of 90 m/s during flight. If the area of the wing is 140 m^2, what is the lift force on the wing? Air density is 1.29 kg/m3.
January 27, 2013

science/physics
A 230kg ball moving at velocity of 25m/s collides with a 420 kg ball that is not moving. What is the final velocity after contact
February 5, 2012

math
9+8log9 (9X)=81
December 6, 2010

Economics
it will increase, and then decrease
November 11, 2009

4th grade
i need help with a sentence in future tense (it clins to branches and twigs)
January 26, 2009

floral design
What should wedding-floral consultants always do?
November 9, 2007

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