Kaley
Most popular questions and responses by Kaley
Geometry
What is the ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if XY is similar to AC?
asked on May 17, 2010 
physics
To determine an athlete's body fat, she is weighed first in air and then again while she's completely underwater. It is found that she weighs 690 N when weighed in air and 36.0 N when weighed underwater. What is her average density?
asked on October 25, 2014 
Geometry
A circle has a radius of 6 inches. The circumscribed equilateral triangle will have an area of:?
asked on May 17, 2010 
Geometry
Two similar polygons have areas of 50 and 100 sq. in. What is the ratio of the length of a pair of corresponding sides?
asked on May 17, 2010 
Geometry
What is the ratio of the area of triangle XBY to the area of the triangle ABC for the given measurements, if XY is similar to AC, and XY=2 and AC=3
asked on May 17, 2010 
Geometry
The sides of a quadrilateral are 3, 4, 5, and 6. What is the length of the shortest side of a similar quadrilateral whose area is 9 times as great?
asked on May 17, 2010 
Statistics
A study is conducted regarding shatterproof glass used in automobiles. Twentysix glass panes are coated with an antishattering film. Then a 5pound metal ball is fired at 70mph at each pane. Five of the panes shatter. We wish to determine whether, in the
asked on April 11, 2017 
Geometry
What is the ratio of the area of triangle XBY to the area of triangle ABC for the given measuremnts, if XYis similar to AC, and BY=2 and BC=4?
asked on May 17, 2010 
Geometry
A circle has a radius of 6 in. The inscribed equilateral triangle will have an area of: ?
asked on May 17, 2010 
math
recall that the acceleartion due to earth's gravity is 32 ft/sec^2. from ground level, a projectile is fired straight upward with velocity 90 feet per second. a. what is its velocity after 3 seconds b. when does it hit the ground c. when it hits the
asked on January 6, 2008 
math
What value of a makes f(x)=X^2 + (a/x) have a) a local minimum at x=2? b) a point of inflection at x=1?
asked on November 28, 2009 
Physics
A car traveling at 71 km/h hits a bridge abutment. A passenger in the car moves forward a distance of 63 cm (with respect to the road) while being brought to rest by an inflated air bag. What magnitude of force (assumed constant) acts on the passenger's
asked on March 3, 2016 
Chemistry
In a volumetric analysis experiment, a solution of sodium oxalate in acidic soltuion is titrated with a solution of potassium permanganate according to the following balanced chemical equation: 2KMnO4+8H2SO4+5Na2C2O4 > 2MnSO4+8H2O+10CO2+5Na2SO4+K2SO4 What
asked on February 28, 2016 
calculus
find the points at which the graph of 4x^2  4x + 12y^2 6y = 10 has a vertical and horizontal tangent line. For the vertical only solve for y and for the horizontal only solve for x. I got the deriviative to be: (8x4)/(24y + 6). For the horizontal, x =
asked on November 2, 2009 
Chemistry
How many moles of Mg2+ and NO3 form for each mole of Mg(NO3)2 that dissolves?
asked on November 8, 2010 
Algebra
A boy can row a boat at a constant rate of 5 mi/hr in still water. He rows upstream for 19 minutes and then rows downstream, returning to his starting point in another 13 minutes. What is the rate of the current? What is the total distance traveled?
asked on September 12, 2011 
Geometry
Is this true or false? Two similar hexagons have area 36 square inches and 64 square inches. The ratio of a pair of corresponding sides is 9/16.
asked on May 17, 2010 
Geometry
One side of a triangle is 15 inches, and the area of the triangle is 90 square inches. What is the area of a similar triangle in which the corresponding side is 9 inches?
asked on May 17, 2010 
Geometry
What is he ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if XY is similar to AC, and BY=3, YC=2 ?
asked on May 17, 2010 
Physics
As its volume is doubled from an initial value of 0.088 m3, a sample of gas is held at a constant pressure of 3.4 × 104 Pa by heating. Then, while a constant volume is maintained, the gas is cooled back to its initial temperature. The work that the gas
asked on June 21, 2012 
Physics/Fluids
Hi! I'm having a hard time figuring out if flow rate decreases when water goes up a vertical pipe. I know that at some point when the water can't be pushed any higher due to P=pgh, the water stops flowing from the pipe. I also believe that due to
asked on July 21, 2018 
Math
Shania is having trouble understanding her algebra assignment. To help her understand, she asks Mark why is not equal to . Which of the following responses would be best for Mark to give?
asked on August 5, 2013 
Algebra
A rectangular plot of ground having dimensions 24 feet by 26 feet is surrounded by a walk of uniform width. If the area of the walk is 104 feet squared, what is its width?
asked on September 21, 2011 
Geometry
The shortest side of a polygon of area 196 square inches is 4 inches long. What is the area of a similar polygon whose shortest side is 8 inches long?
asked on May 17, 2010 
algebra
5/73/4=
asked on June 24, 2010 
General Chemistry
What is the molarity of a solution produced by dissolving 61 g of KNO3 in a 100 mL volumetric flask?
asked on June 6, 2010 
Math
Freddy and Frankie want to know their grandmother's age. She tells them that the digits of their age make up her age. She also tells them that their age plus her age total 83. What is the age of the grandmother? Please explain this question step by step.
asked on September 17, 2014 
Physics
A system performs 349 J of work on its surroundings while losing 133 J of internal energy. Determine the heat transferred to the system during this process.
asked on June 21, 2012 
English
I know that 'you' and 'I' are pronouns but are words like 'you're' and 'I'm still classed as perosnal pronouns? thanks
asked on May 8, 2011 
chemistry
How many H2O molecules are formed when 14 methanol molecules react?
asked on November 8, 2010 
Global History
How did the Alliances lead to world war 1? How did nationalism lead to world war 1?
asked on February 16, 2010 
science
Which would be a pair of ecological equivalents? zooplankton andsea anemone salmon and seagull rattlesnake and desert rat elephant and hyena zebra and wild horse
asked on August 30, 2009 
physics
A spacecraft is traveling with a velocity of v0x = 5690 m/s along the +x direction. Two engines are turned on for a time of 845 s. One engine gives the spacecraft an acceleration in the +x direction of ax = 1.35 m/s2, while the other gives it an
asked on September 24, 2014 
Algebra 2
find all the zeros of the polynomial function F(x)= x^4+4x^36x^236x27
asked on March 1, 2012 
Math Urgent
Two surveyors with twoway radios leave the same point at 9:00am., one walking due south at 2 mi/hr and the other due west at 5 mi/hr. How long can they communicate with one another if each radio has a maximum range of 10 miles?
asked on September 22, 2011 
Algebra
Indicate in standard form the equation of the line passing through the given points. A(4, 1), B(5, 2)
asked on June 25, 2010 
Economics
What will be the outcome to global economics and the condition of man given increasing global birth rates and why?
asked on May 20, 2010 
math
If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house? the answer is 2 hrs and 24 min. How did they come up with that?
asked on March 16, 2009 
Criminal Justice
As a detective with a local law enforcement department, you are one of the first to arrive at the scene of a driveby shooting, which resulted in the death of a teenage male. The shooting occurred at a corner gas station of a lowincome neighborhood. A
asked on October 25, 2008

math
11 is correct
posted on February 26, 2018 
Science
The potential energy is turning into kinetic energy so the potential energy is decreasing and the kinetic is increasing but when it is about to hit the ground the potential energy is increasing and the kinetic energy is decreasing
posted on October 17, 2017 
art history
I don't really know how to explain the answer except by looking at said paintings. But the answer is David
posted on October 1, 2015 
Math
Thanks Steve
posted on September 17, 2014 
math
To keep his wigwam
posted on March 27, 2014 
Geometry
so 4/9 ?
posted on May 17, 2010 
Geometry
i don't understand this
posted on May 17, 2010 
Geometry
i don't seem to understand the concept
posted on May 17, 2010 
Geometry
?
posted on May 17, 2010 
Geometry
BY=3, YC=2
posted on May 17, 2010 
Geometry
how would you write it with the root on top divided by another number?
posted on May 17, 2010 
Literature
All of them are A.
posted on April 13, 2010 
Global History
my name is kaley and i try but the material is just confusing sorry :/
posted on February 17, 2010 
science
Then is it zooplankton and sea anemone?
posted on August 30, 2009 
9th grade algebra
how to do algebra
posted on June 25, 2009 
French
i need to learn french
posted on September 14, 2008