05/13/15

A gun fires a bullet almost straight up from the edge of a 180-foot cliff. If the bullet leaves the gun with a speed of 716 feet per second, its height at time
A gun fires a bullet almost straight up from the edge of a 180-foot cliff. If the bullet leaves the gun with a speed of 716 feet per second, its height at time t is given by h(t)=−16t2+716t+180,... more
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05/12/15

intermediate algebra differences
ot takes an older printing press 5 hours longer to complete a print job than a newer printing press. if the printing presses work together, they can complete the job in 2 hours. how long does it... more
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05/12/15

The population of a certain city was 192000 in 1998, and the observed relative growth rate is 4 percent per year
(a) Find a function that models the population after t years. Your answer is   (b) Find the projected population in the year 2004. Your answer is   (c) In what year will the population reach... more
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05/12/15

Divide and, if possible, simplify
3p-3 ÷8p-8   9        3p2
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05/12/15

multiply and, if possible, simplify
k2+10k+21 x k2+9k k2+16k+63    k2+7k+12   BTW, this is a fraction.  
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05/12/15

Need to know the equation for problem
took half as many photos on Friday as on Saturday and took twice as many photos on Sunday than Saturday for a total of 42. How many were taken each day. Know the answer, what is the equation?
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05/12/15

Find the derivative
Find the derivative of f(x) = 11x2 + 5x at x = 9. 243 223 203 -243 -----------------------------------------------   Find the derivative of f(x) = 3 divided by x at x = 1. -3 -1 1... more
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05/12/15

in kitchen there are 7 cups 4 paper plates and 7 spoons
How many ways can you select a cup, paper plate and a spoon How many ways can you select 3 cups, 2 paper plates and 4 spoons
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05/12/15

prove that sum of angle subtended by arcs AC & BD at centre O = twice the angel APC
if two chords AB & CD intersect at P inside the circle
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05/12/15

find the numerical value of angle ABC + angle CDE also give reason for that answer
ABCDE is a pentagon that lies on the circumference of the circle, AE is the diameter of the circle 
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05/12/15

show angle APB = 60 degree, if AD & BC are produced to meet at P
in a circle, with centre O, a cyclic quadrilateral ABCD is drawn with AB as a diameter of the circle and CD equal to radius of the circle.
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05/11/15

How much better is the Hubble telescope than good binoculars, measured in terms of the ratio of the brightness of stars that they can detect?
http://i58.tinypic.com/2dljk9f.png   the question is attached to the link. :)
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05/11/15

ABCD IS TRAPEIZUM WITH AB PARALLEL. F IS THE MID POINT OF BC. DF AND AB ARE PRODUCED TO MEET AT E. SHOW THAT F IS ALSO THE MID-POINT OF DE.
ABCD IS TRAPEIZUM WITH AB PARALLEL. F IS THE MID POINT OF BC. DF AND AB ARE PRODUCED TO MEET AT E. SHOW THAT F IS ALSO THE MID-POINT OF DE.
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05/11/15

Help with logarithms
64 - 3a =42
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05/11/15

Logarithms
Log3 (-6p) - 9 = 10
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05/11/15

can the measures of central tendency be determined from a box plot?
I want to know if I can find mean, median, and mode by just looking at a box plot.
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05/10/15

VENN DIAGRAM
A GROUP OF 100 STUDENTS WERE SURVEYED TO FIND WHETHER THEY DRANK TEA, COFFEE OR A SOFT DRINK . 24 HAD NOT DRUNK ANY OF THE THREE 51 DRANK TEA OR COFFEE BUT NOT A SOFT DRINK 41 DRANK TEA 20... more
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05/10/15

Frequency Math Question
A 4-string bass guitar has a string length of 34 inches, and an open E-string vibrates at 41.2 Hz (E1) If the sixth fret is pressed down, the string vibrates at 58.27 Hz (B1b). What is the distance... more
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05/09/15

A ramp rises one inch for every four inches traversed horizontally. If the surface of the ramp is 109 inches long, to what weight does the ramp rise?
Round your answer to the nearest inch.
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05/09/15

A Square fence 6 feet high enclosing a radio tower is 3 feet from the tower on all 4 sides....
Guy wires used to hold the tower are attached to the tower 30 feet above the ground and 17 feet from the fence on all 4 sides.  How long are the guy wires to the nearest foot?
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05/09/15

help solve these questions for me , I have an answer but not sure if it's right
1.   (5+√3)(2-√6)   2.     7√7-6√12-(4√28+4√3)       
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05/09/15

volume and moles
Cylinder with piston pressing down with constant pressure is filled with 2.00moles of a gas and its volume is 45.0L If 0.700mol of gas leaks out and pressure and temp remain the same, what is final... more
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05/09/15

mixture of gases
A mixture of He, Ar, and Xe has total pressure of 2.50atm. Partial pressure of He is 0.350atm, and partial pressure of Ar is 0.200arm What is partial pressure of Xe?
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05/09/15

combined gas law
helium balloon released into air at 20C Initial volume is 5.00L and pressure is 760mmHg Balloon ascends to altitude of 20km where pressure is 76.0 mmHg and temp is -50C What is new volume in Liters
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05/09/15

Temperature and volume
Sample of gas has initial temp of 37C and vilume of 1.50x10^3L If temp changes to 67C and no chnage in pressure/amount of gas, what is new volume of gas?(V2)
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