Raymond B.

Trigonometry

05/23/16

system of equations for x,y, and z

The question is 3x=2y-z=4 2x-y+2z=10 x+3y-4z=-7 I made a mistake on one part but cant seem to find it

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Algebra 2

05/19/16

A model airplane is to be an exact replica of the original, but at the size. If the actual length of the airplane is 230 feet, how many feet long should the m

A model airplane is to be an exact replica of the original, but at the size. If the actual length of the airplane is 230 feet, how many feet long should the model be? Show work please

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Algebra 2

05/19/16

simplify the expression for all appropriate values of x

(√3x • (√2x 18 ) 3)

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Algebra 2

05/19/16

rewrite the fraction by rationalizing the denominator.

2/4+√5x

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Algebra 2

05/19/16

I really need help with just this one question!!!

Describe the function y = (3/2)(1/2)^(x - 3) - 5. [Read the function carefully, writing it down on paper to make certain you don't misread anything.] Exponential decay function with decay factor... more

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Statistics Probability Statistics Question

05/18/16

Let P(A)=P(B)=0.42 and P(AnB)=0.13 Find P(A'?B')

Let P(A)=P(B)=0.42 and P(A∩B)=0.13 Find P(A'∪B') solution P(A'∪B')=P(A)+P(B)-P(A∩B) =0.42+0.42-0.13=0.71 Is it correct?

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Linear Equations Graphing Linear Equations Functions Word Problem

05/18/16

Functions math project.. Help!

For my math project I have to pretend I am creating a virtual race as a spin off of the Tortouise and the Hare. In this race I am using an elphant (25 mph) and a mouse (8mph). I have to use a... more

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Other

05/17/16

shape should be and its area and dimensions. Justify your answer using mathematical reasoning.

Tex has a home on the range (where the deer and antelope play). He wants to build a rectangular corral for his horses. He only has 170 feet of fencing. What size of corral should be built to make... more

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Algebar 2

05/16/16

the first 3 terms of the geometric sequence when a1=8 and r=9

algebar 2

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Geometry Circles

05/16/16

C3 center at (2,0) with radius 7 & D3 center at (-1,0) with radius of 4

Show that two circles are similar by stating the necessary transformations from C to D draw coordinate plane on graph if necessary

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Geometry Circles

05/16/16

C2 center at (2,8) with radius 2 & D2 center (-2,4) with radius 1

Show that two circles are similar by stating the necessary transformations from C to D draw coordinate plane on graph if necessary

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Geometry Circles

05/16/16

C1 at (2,3) with radius 5 & D1 at (-1,4) with radius 10

show that two circles are similar by stating the necessary transformations from C to D draw coordinate plane on graph if necessary

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Quadratic Word Problems

05/15/16

math word problem

Two pipes can fill a tank in 62 minutes if both are turned on. If only one is used, it would take 23 minutes longer for the smaller pipe to fill the tank than the larger pipe. How long will it take... more

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Conics Ellipse

05/15/16

What is the standard form equation of a an ellipse with foci at (3,0) and (-7, 0) and endpoints of the major axis at (11, 0) and (-15, 0)

What is the standard form equation of a an ellipse with foci at (3,0) and (-7, 0) and endpoints of the major axis at (11, 0) and (-15, 0)? standard form equation of an ellipse

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Math Help For College Cost Function

05/13/16

The cost, C(x), of producing x Totally Cool Coolers is modeled by the function C(x) = 0.005 x^2 -0.25 x + 14.....

The cost, C(x), of producing x Totally Cool Coolers is modeled by the functionC(x) = 0.005 x^2 -0.25 x + 14How many coolers need to be produced and sold in order to minimize the cost? (Round to the... more

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Word Problems Systems Of Equations

05/11/16

Word problem systems of equations 8th grade math

A car and a limo each drive along a straight road between two points. Using the points on a map that the city created, the car will start at (5,7) and will stop at (-2, -7), while the limo will... more

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Basic Algebra Algebra Help

05/10/16

1500 + 200 + .02mn

Help with this problem please.

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Geometry Triangle

05/10/16

The vertices of triangle IJK are I(0, 0), J(0, 100) and K(200, 0). Find the length of JI.If necessary, round your answer to the nearest tenth.

please help

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Precalculus

05/10/16

if the speedometer reading 60 mph on your car and you have tires with a circumfrence of 103 inches you are actually traveling

help fast

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Math Physics Math Question

05/08/16

Mathmatical physics Question

When a ball is thrown through the air, or a person skydives from a plane, quadratic functions (and parabolas) describe their motions. Gravity causes items to fall at an acceleration rate of 32 feet... more

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Algebra

05/05/16

Please explain. Possible Roots

P(x) = -9x3 - x2 +5x -8Possible Roots: Use Descartes' Rule of Signs to analyze the zeros of the following. List all possibilities.

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Algerbra

05/05/16

possible roots? please explain

P(x) = -5x4 + x3 + 2x2 – 1 Use Descartes' Rule of Signs to analyze the zeros of the following. List all possibilities.

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Algebra 1 Algebra 2 Algebra

05/05/16

Help please!

A country's population in 1992 was 222 million. In 2001 it was 224 million. Estimate the population in 2004 using the exponential growth formula. Round your answer to the nearest million. P=Aekt

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Precalculus

05/04/16

word problems

A firm has demand schedule p = 150 - q and cost function C (q) = 2000 + 40q a) Give the firm's revenue function R (q). b) What level of production will maximize the firm's revenues? c) Find the... more

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Algebra 2

05/04/16

all possible roots?

P(x) = 2x5 + 7x3 + 6x2 – 2Possible Roots: Use Descartes' Rule of Signs to analyze the zeros of the following. List all possibilities. Please explain

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system of equations for x,y, and z

A model airplane is to be an exact replica of the original, but at the size. If the actual length of the airplane is 230 feet, how many feet long should the m

simplify the expression for all appropriate values of x

rewrite the fraction by rationalizing the denominator.

I really need help with just this one question!!!

Let P(A)=P(B)=0.42 and P(AnB)=0.13 Find P(A'?B')

Functions math project.. Help!

shape should be and its area and dimensions. Justify your answer using mathematical reasoning.

the first 3 terms of the geometric sequence when a1=8 and r=9

C3 center at (2,0) with radius 7 & D3 center at (-1,0) with radius of 4

C2 center at (2,8) with radius 2 & D2 center (-2,4) with radius 1

C1 at (2,3) with radius 5 & D1 at (-1,4) with radius 10

math word problem

What is the standard form equation of a an ellipse with foci at (3,0) and (-7, 0) and endpoints of the major axis at (11, 0) and (-15, 0)

The cost, C(x), of producing x Totally Cool Coolers is modeled by the function C(x) = 0.005 x^2 -0.25 x + 14.....

Word problem systems of equations 8th grade math

1500 + 200 + .02mn

The vertices of triangle IJK are I(0, 0), J(0, 100) and K(200, 0). Find the length of JI.If necessary, round your answer to the nearest tenth.

if the speedometer reading 60 mph on your car and you have tires with a circumfrence of 103 inches you are actually traveling

Mathmatical physics Question

Please explain. Possible Roots

possible roots? please explain

Help please!

word problems

all possible roots?

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