Parviz F.

Math

12/27/13

graph the system of inequalities

how do I graph the system of inequalities using y <= 3/2 + 3, 2x + y < 10, y > -1. Please solve and show all steps. Is it easy to shade each half-plane solution?

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Math

12/27/13

solve the linear system by graphing and check the solution

solve the linear system by graphing and check the solution. y= x + 1 y= -3x + 9 show steps thanks

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Answers •2

Math

12/27/13

how do you solve 4x - y = 5 and 4x + 4y =-4 using elimination

Please solve the linear system using elimination. 4x - y = 5 4x + 4y = -4 Please show steps. Thanks

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Math Help

12/26/13

Find an equation?

Find an equation of a curve that intersects at right angles every curve of the family y=1/x+k (where k takes all real values)? Answer: y=(1/3)x^3

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Math

12/26/13

what does 7x + 9y >= 693 look like on a graph

what does 7x + 9y >=693 look like on a graph

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Other

12/25/13

logx^4+logx^2=6

log4x+log2x=6

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Perfect Square

12/24/13

what should be subtracted from 7a^6-2a^5-3a^4+6a^3-4a^2+6a to get 3a^5+6a^4-5a^3+2a^2+3

try to solve but failed..

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Pre Calculus

12/23/13

Without using a calculator, determine the number of real zeros of the function f(x) = x.3 + 4x.2 + x – 6.

how do i determine the number of real zeros of the function

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Logarithms

12/23/13

need help bad very confused

Select the sum of the series: Σ^5∨k-1^k^2 a. 55 b. 56 c. 200 d. 225

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Special Right Triangles

12/22/13

Solve the problems pertaining to special right triangles. Leave all answers as reduced radicals.

http://prntscr.com/2d9afz I need help with this so i can complete my assignment. Please help?(:

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Probability & Statistics

12/22/13

The slope and the y-intercept

Find the slope and the y-intercept for the line that passes through (-8,2) (11,4) The slope is= The y-intercept is = d. Find the slope and the y-intercept for the line that passes through... more

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Math Help

12/21/13

The area of the closed region?

The area of the closed region bounded by the polar graph of r=sqrt(3+cos theta) is given by what integral? Answer: ∫ (3+cos theta) dθ from 0 to pi How can you find this?

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Math Help

12/21/13

What's h'(x)?

If h(x)=f^2 (x)-g^2 (x), f'(x)=-g(x), and g'(x)=f(x), what's h'(x)? Answer: -4f(x)g(x)

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Radicals

12/20/13

How do you simplify (7 3sqrt6y)(2y^2 3sqrt(9y^2))

a) (7 3√6y)(2y23√9y^2) b) (m2√5)(2m√15m) Thanks!

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Algebra 1

12/19/13

A fast food restaurant has 25% fat hamburger meat and 15% fat hamburger meat.

This is the complete question: A fast food restaurant has 25% fat hamburger meat and 15% fat hamburger meat. How many pounds of each type of meat should be mixed to make 90 lb of hamburger meat... more

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Calculus

12/19/13

Find the number b such that the line y = b divides the region bounded by the curves y = 4x^2 and y = 9 into two regions with equal area.

(Round your answer to two decimal places.)

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Calculus

12/19/13

Find the area of the region bounded by the parabola y = 4x^2, the tangent line to this parabola at (1, 4), and the x-axis.

give answer as a fraction and no decimals please

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Statistics

12/19/13

Slope and Y-intercept

Find the slope and the y-intercept for the line that passes through (-11,1) (7,8) The slope is= The y-intercept is = d. Find the slope and the y-intercept for the line that passes through... more

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Trigonometry

12/18/13

How high is the mountain

How high is the mountain if Matt measures the angle of elevation of the peak of a mountain as 35º, and Susie, who is 1200 feet closer on a straight level path, measures the angle of elevation as 42º?

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