Marley
Most popular questions and responses by Marley
maths (trigonometry)
please solve these if possible Q1. If sinx +siny=3(cosycosx) then the value of sin3x/sin3y. Q2. If sina ,cosa,and tan a are in g.p.then cos cubea+cos square a is equal to
asked on June 6, 2011 
science(physics)
the sum of three forces f1=100n, f2=80n, f3=60n acting on a particle is zero. The angle between f1 and f2 is: Please solve
asked on June 9, 2011 
science(physics)
a force f= 3i+cj+2k acting on a particle causes displacement , d=4i+2j+3k. If the work done is 6 joule then the value of c. Plz. Solve
asked on June 10, 2011 
Math
If the product represented by 128! is divisible by 18^n, what is the largest possible value of n?
asked on November 24, 2016 
maths (trigonometry)
how can we calculwte the value of Cot 70 degree+4 cos 70 degree
asked on June 9, 2011 
Math
You have been asked to build a ramp for Dan’s Daredevil Motorcycle Jump. The dimensions you are given are indicated below. Find the height and incline in feet. Round to the nearest foot One side is 200 ft.The angle between the hypotenuse and the side of
asked on October 24, 2014 
maths (trigonometry)
how can we calculate the value of Sec50 degree+tan 50 degree
asked on June 9, 2011 
geometry
Angles BAC and Angle CAD are supplementary angles. Find the measures of each angle if the measure of Angle BAC is 10x + 16 and the measure of Angle CAD is 7x + 8. Round angle measures to the nearest tenth
asked on October 3, 2011 
math
A number is divided by 2. If 16 is added to the quotient you get 20
asked on November 30, 2012 
science(physics)
two forces are in the ratio 1:2 named p and q.if their resultant is at an angle tan inverse root 3 /2 to vector p then the angle between p and q is ? Plz solve.
asked on June 9, 2011 
Chemistry
For the reaction shown, calculate how many grams of oxygen form when each of the following completely reacts. 2HgO(s)→2Hg(l)+O2(g)
asked on July 17, 2016 
math
If you put 200 tagged fish in a pond, then collect a sample of 50 and 8 of them are tagged. How many fish are in the pond?
asked on July 18, 2017 
science(physics)
when two forces of magnitude p and q are perpendicular to each other their resultant is of magnitude 'r'. When they are at an angle of 180 degree to each other their resultant is 'r root 2'find the ratio of p and q.
asked on June 9, 2011 
Math
18yd 2ft + 2yd 2ft equal
asked on April 5, 2017 
physics
friction between tires and pavement supplies the centripetal acceleration necessary for a car to turn. Using the coefficients of friction for rubber on concrete calculate the maximum speed at which a car can round a turn of radius 30 m (a) when the road is
asked on February 22, 2015 
maths (trigonometry)
calculate the following: 1)sin 50 degreesin 70 degree+sin 10deg. 2)cos square 48 deg. sin square 12 deg. 3)tan 20 deg.+tan 40 deg.+root 3 tan 20 tan 40 Plz. Solve these
asked on June 8, 2011 
maths (trigonometry)
if cosxsinx=root 2 sinx, then what is the value of cosx+sinx. How
asked on June 8, 2011 
chemistry
At what Celsius temperature will the numerical reading on the Fahrenheit thermometer be 44 degress less than that on the Celsius thermometer?
asked on September 13, 2016 
maths (trigonometry)
what is the identity of A raise to 4+b raise to 4
asked on June 8, 2011 
Chemistry
A chemistry laboratory of an experience is being conducted. The pressure is 0.9 atm and the temperature is 18°C. One of the steps of the experience requires the combustion of 500 mL ethanol (Density=0.78 g/mL). Whereas the burning of this amount of
asked on January 19, 2016 
Physics
A rocket moves upward, starting from rest with an acceleration of 26.3 m/s2 for 5.43 s. It runs out of fuel at the end of the 5.43 s but does not stop. How high does it rise above the ground?
asked on March 4, 2015 
math
m^8n^6 _______ m^4n^2 i got m^2n^3. is this right? Is this a division problem? If so, you subtract exponents. a^4/a= a^3
asked on July 2, 2007 
math
9c^5d^8 * 4c^5d^8 __________________ 2c^5d^5 the answer i got is 18d^21c^15 is this anywhere close to being right? :) pls show how you get the answer if its different! :) thx Is this problem division, or multiplication? Either way, it is wrong.
asked on July 2, 2007 
Physics
What is the momentum of a 52kg carton that slides at 5.0m/s across an icy surface?
asked on February 27, 2014 
physics
A sniper is in training. He discovers the target is at 1000 meters right north to where he ambushes. According to his measurement, it's a moving at a uniform speed of 20 meter/second towards east. What is the position of the target after 2 seconds?
asked on January 23, 2012 
science(physics)
vector a+ vector b= 2i Vector a+ vector b=4j Then the angle between vector a and vector b is ? Plz.solve
asked on June 10, 2011 
maths (trigonometry)
how can we calculate the value of Cos 10+sin 10/cos 10 sin 10
asked on June 9, 2011 
maths (trigonometry)
1+sin a cos a/1+sin a +cos a eual to ?. How?
asked on June 8, 2011 
maths (trigonometry)
if sec x +tan x=p, then tan xeuqalto what. How?
asked on June 8, 2011 
science(physics)
given vectors , Vector a= 2i + 3j, then the angle between vector a and y axis is? Plz solve
asked on June 10, 2011 
physical science
in a transverse wave, the what is the lowest point?
asked on March 15, 2010 
Science
What is the mass of 10cc of aluminum? Mass= volume*density. You need to look up the density of aluminum.
asked on November 7, 2006

Chemistry
88 g
posted on January 17, 2018 
math
14ft
posted on April 5, 2017 
Carbon
Enters by farts going into farts
posted on October 18, 2016 
science
THANK U LANA
posted on February 3, 2016 
Chemistry
The energy level of the valence electrons of every element is the same as its period in the periodic table. So in this case Lead = 6 (E.)
posted on November 4, 2013 
american government before 1877
it took away congress's power of declaring war.
posted on May 16, 2010 
205
2. The annual rainfall in California’s north valley averages twentythree inches. So the rainfall next year will be twentythree inches. B  Probably true. 3. You expect to get forty miles to the gallon in that? Why, that old wreck has a monster V8;
posted on May 2, 2010 
english: critical thinking
Those answers are right. I also got 100% :)
posted on April 16, 2010