Saturday
December 3, 2016

# Posts by Gilbert

Total # Posts: 29

math
A girl was born 25 years after her mother. What fraction of her mother's age will the girl be at the age of 10
May 8, 2016

math
at what rate converted every 3 months will a sum of money triple itself in 18 years and 6 months.
January 24, 2016

Algebra
A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of \$13 and then an additional 6 cents per minute of use. In Plan B, there is no monthly fee, but the customer pays 8 cents per minute of use. For what amounts of monthly phone use will ...
September 25, 2015

Statistics
fach u
March 29, 2015

MATH
A=-4x^2+40x By completing the square A= -4(x^2-10x+25)+100 A= -4(x-5)^2+100 Vertex is (5,100) Max is 100 ft
October 7, 2014

math
Is 3/7 greater or less than 15/56
September 25, 2014

Math
idgaf and idk
September 23, 2014

electrical circuit
i've gotten (a) 0.72 to 1.6 amp; (b)17.7 ohms
August 24, 2014

electrical circuit
A 72-ohm coil of wire is connected in series with an adjustable resistor (rheostat) whose resistance can be varied from 0 to 88 ohms. If the line potential is 115 volts, calculate (a) the range through which the coil current can be varied, (b) the rheostat resistance when the ...
August 24, 2014

Physics
A car of mass 1900kgs accelerates from rest to a speed of 27ms-1 in 8.1s.Calculate the average rate at which kinetic energy is supplied to the car during the acceleration.
March 15, 2014

math
25 ft
May 20, 2013

WTI
1LB of ice at 20 deg f exerts its force downward. after the ice has absorbed 200 BTU's what direction will the force be exerted? After absorbing 2000 BTU's what direction will the force be exerted?
March 23, 2013

Probabilty
Biased coin has a 0.4 probability of landing on tails. The random variable x, based on a single toss of the coin, is defined as follows: x=0 if heads appears; x=1 if tails appears. What Is the mean value of X? Is it . 0.3 .4 .6 .5 .7
November 28, 2012

Calculus
What is the sum of all the odd #s between 100 & 200??
November 28, 2012

German
So, although my German is rather rusty, here is what I can do; Mein guter Freund heißt Meaghan. Sie ist intelligent und freundlich kleinen tolerant. Sie hat lange blonde Haare. Sie spricht und liest Spanisch. Ich gehe mit Freunden herumhägen das Wochenende. Meaghan ...
October 24, 2012

math
a spinner with 8 sections has 2 blue and 1 yellow section. What 's the (p) of one spin landing on blue and one spin landing on yellow. The answer is 1/16 Why?
January 27, 2012

math
if Charlie earns 3/4 of what joan earns. and together they earn 490.00 a week. How much does charlie make?
October 4, 2011

physics
The frequency of vibration of an object-spring system is 8.00 Hz when a 3.00 g mass is attached to the spring. What is the force constant of the spring?
February 2, 2011

physics
A phone cord is 4.75 m long. The cord has a mass of 0.200 kg. A transverse wave pulse is produced by plucking one end of the taut cord. The pulse makes four trips down and back along the cord in 0.900 s. What is the tension in the cord?
February 1, 2011

physics
A phone cord is 4.75 m long. The cord has a mass of 0.200 kg. A transverse wave pulse is produced by plucking one end of the taut cord. The pulse makes four trips down and back along the cord in 0.900 s. What is the tension in the cord?
February 1, 2011

physics
A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of 7.30 cm. If the cork is 12.0 m from shore, how long does it take a ripple passing the cork to reach the shore?
January 30, 2011

math
how mant 5ths are in the number 1
January 2, 2011

physics
Well you see the coefficient of friction is zero and the air resistance is too strong thus the projectile would go the speed of light and end the entire human race as we know it would come to an end. It would be better to not accelerate that object. Dinosaurs extinction is ...
October 21, 2010

science
Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard learning session in ...
August 26, 2010

Literary Analysis and Composition
Works such as "To Build a Fire" gave Naturalist writers such as Jack London a platform to argue that
January 21, 2010

chemistry
Woiuld you expect jewelry made from an alloy of silver and copper to tarnish (oxidize) in a laboratory where fumes of bromine are present? I think that it wouldn't because the bromine fumes are probably not ions, and even if they were they would not react because they are ...
February 11, 2008

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