06/16/17

Find exact solutions
find exact solutions on the interval 0≤θ≥2Π. 4cos2θ + 4cosθ - 3 =0
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05/30/17

Find the empirical formula
5. A chlorinated hydrocarbon was found to contain 24.24 % C, 4.04 % H, 71.72 % Cl. The molecular mass was found to be 99.00 g/mole. A) Calculate the empirical formula of the compound
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05/26/17

Please help me with this math question?
Circle F is intersected by HI and IJ and m∠HIJ = 101°. What is the measure of HJ?     Here's a link to the picture: http://imgur.com/a/O8pO3
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05/26/17

What is the surface area and volume of a pentagonal pyramid with a slant height of 12.5 and a side length of 11?
please help! Urgent. Thank you! :)
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05/22/17

FORMULA BREAK DOWN
suppose a certain bacteria that has been treated with an antibiotic begins to decay continuously at a rate of 2.8% per hour. How many bacteria will remain in the original sample of 400000 after 24... more
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05/18/17

What is the height of the tree?
Charles places a mirror on the ground 63 feet  from the base of a tree. He walks backwards until he can see the top of the tree in the middle of the mirror. At that point, Jason's eyes are 6 feet... more
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05/17/17

how to find the area of polar coordinates by not using calculus
Find the EXACT area contained by the graphs r=8cos theta and r=6sin theta
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05/15/17

The surface area of this rectangular prism is 724 square centimeters. What is the volume?
What is volume ?
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05/02/17

What volume of NH3 is produced if 39.7 g of nitrogen gas is reacted with an excess of hydrogen gas
What volume of NH3 is produced if 39.7 grams of nitrogen gas is reacted with an excess of hydrogen gas 
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05/02/17

What are the maximum and minimum values of f(x,y,z) = xyz subject to the constraint x+y+z =1, and find the points at which these extreme values occur.
Assume x,y,z => 0   Apologies, it cut off. The inequality is the part that trips me up   For minimum I answered that the min 0 is at x = 0 and y+z=1, y =0 and x+z=1, z=0 and x+y=1. However... more
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04/29/17

Physics Help. Relative to the axle , magnitude of the angular Momentum of child before collision is 161 kg m^2/s
A playground ride consists of a disk of mass M = 52 kg and radius R = 2.3 m mounted on a low-friction axle. A child of mass m = 28 kg runs at speed v = 2.5 m/s on a line tangential to the disk and... more
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04/27/17

Sqrt x^2 + 20 = 3 sqrt x #solve the equations
Sqrt x^2 + 20 = 3 sqrt x #solve the equations
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04/27/17

Write the equation of the perpendicular bisector of a line segment with endpoints C(0, 11) and D(5, 12).
Show all work. 
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04/18/17

Calculate the distance from the point (3,5) to the line y = x + 4.
rggrfesgergryeryeryerertyrter
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04/18/17

Point P is on segment ABOUT such that AP:PB Is 4:5. If A had coordinates (4,2) and B has coordinates (22,2), determine and state the coordinates of P
It is a hard geometry topic that I never understand how to operate.
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04/15/17

Physics Help. A string is wrapped around a disk of mass m = 2.3 kg and radius R = 0.08 m.
Starting from rest, you pull the string with a constant force F = 6 N along a nearly frictionless surface. At the instant when the center of the disk has moved a distance x = 0.12 m, your hand has... more
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04/15/17

Car rolling down a 55.0m hill. Changes elevation by 1.00m every 4.00m traveled. What is velocity at bottom of hill if coefficient of friction is 0.10?
Significant Figures Apply Detailed Calculations Labeled Steps Simple Minded Man
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04/13/17

Find a linear function whose graph is the plane that intersects the xy-plane along the line y= x+7 and contains the point (-4,-4,-21).
Find a linear function whose graph is the plane that intersects the xy-plane along the line y= x+7 and contains the point (-4,-4,-21).
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04/12/17

How do I work this problem?
Consider the following system of equations:2x − 3y = 2,4x + 2y = −1−5x − 6y = dFor what value of d does the above system have a solution? For this value of d, graph all three equations... more
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04/12/17

A cattle trough has a trapezoidal cross section with a height of 100 cm and horizontal sides of width 100 cm and 50 cm.
A cattle trough has a trapezoidal cross section with a height of 100 cm and horizontalsides of width 100 cm and 50 cm. Assume the length of the trough is 1000 cm. Thedensity of water is = 1000... more
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04/10/17

f(x)=x^2-x-6
I want to graph this equation into a parabola.
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04/10/17

A parabola that intersects the X axis at X=1 and X=3 and intersects the Y axis at Y=6. What is the equation of the parabola?
Solve please I'm stuck 
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04/10/17

A punch-out card contains 100 spaces. One space pays $150, five spaces pay $15, and the others pay nothing. How much should you pay to punch out one space?
 Don't understand how to do this problem. Could someone help me please?
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04/10/17

(2 sqrt 3 + sqrt 7)/(3 sqrt 3 - sqrt 7) #rationalize the denominators.
(2 sqrt 3 + sqrt 7)/(3 sqrt 3 - sqrt 7) #rationalize the denominators.
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04/10/17

Absolute value question help
Find all the value(s) of “x” for which the equation is true: |x| = |x+1|
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