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# Level D: Rollie was successful in losing weight. He had a goal weight in mind. He went on a diet for three months. Each month, he would lose one-third of the di

not understanding how to figure his weight

# find the value of y so that the line through the pair of points have the given slope

(-3,-5) (4,y) m= 3

# Find the inverse Laplace transform?

Find the inverse Laplace transform of F(s)=(8s^2-4s+12)/(s(s^2+4)). Answer: f(t)=3-2 sin 2t+5 cos 2t A/s+(Bs+C)/(s^2+4) 8s^2-4s+12=A(s^2+4)+(Bs+C)(s)=As^2+4A+Bs^2+Cs=s^2(A+B)+Cs+4A 8=A+B C=-4 A=3 B=5 L^-1...

# Word problem Algebra problem

The farther a person is from a light bulb, the less intense its light. The equation 1=19/4d^2 approximates the light intensity from a 60-watt light bulb at a distance of d meters, where 1 is measured...

# Word problem

Hiv/Aids Federal funding f in billions of dollars for hiv/aids research from 1981 to 2006 can be modeled by f=0.0316x^2+0.015x-0.046. Where x=1 corresponds to 1981, x=2 corresponds to 1982, and...

# simplify (xsquared) (xcubed) (xpower of 5) (xpower of 0)

a. xpower of 30 b. xpower of 10 c. x power of 0 d. 1

# express 2.134x10power of 6 inn decimal notation

a. 0.0000002134 b. 2,134,000 c. 2,134,000,000 d. 0.000002134

# factor 8xcubed+27 completlely

a. (2x+3)(4xsquared+6x+9) b. (2x-3)(4xsquared-6x+9) c. (2x+3)(4xsquared-6x+9) d. (2x-3)(4xsquared+6x+9)

# simplify (4xsquaredycubed)(5xpower of -3ypower of -2 z power of 0)

a. 20/xpowerof 6ypowerof6 b. 20x2/y c. 20xpower of 5 y power of 5 d. 20y/y

# evaluate & express the solution in scientific notation (2.5x10cubed)(4.2x10squared)

a. 10.5x10power of -5 b. 1.05x10 power of -6 c. 10.5x10 power of 5 d. 1.05x10 power of 6

# simplify (3xsquared/5ycubbed)power of -2

a. 9xpower of 4/25ypower of 6 b. 3xpower of 4/5ypower of 5 c. 5ypower of 6/3xpower of 4 d. 25ypower of 6/9xpower of 4

# evaluate & express the solution in scientific notation 1.44x10power of 6/1.2x10power of 4

a. 1.2x10power of 10 b. 1.2x10squared c. 120 d. 1.2x10-2

# expand (x-1)(x+30) completely

a. xcubed-3xsquared-4x+6 b.xcubed-3xsquared-8x+6 c. xcubed-xsquared-4x-6 d. xcubed-xsquared-8x-6

# factor x squared-7x-30 completely

a. (x-1)(x+30) b. (x-5)(x+6) c. (x-10)(x+3) d. (x+2)(x-15)

# factor xsquared-7x-30 completely

a. (x-1)(x+30) b. (x-5)(x+6) c. (x-10)(x+3) d. (x+2)(x-15)

# expand (2x-5y)squared

a. 4xsquared-20xy+25ysquared b. 4xsquared+25ysquared c. 4xsquared-20xy-25ysquared d. 4xsquared-25ysquared

# simplify (3xsquared+2x-5)+(5xsquared-4x+6)

a. -2xsquared +6x-11 b. 8xpower of 4+2xsquared-1 c. 8xsquared+2x-1 d. 8xsquared-2x+1

# factor 12xsquared2-75 completely

a. 3(2x+5)(2x-5) b. 3(4xsquared-25) c. 3(2x+5)(2x+5) d. 3(2x-5)squared

# use synthetic division to divide x3-2xpower of 2-17x+30 by x+4

a. xsquared+6x-7+3/x+4 b. xsquared-6x+7+2/x+4 c. xsquared-6x-7-1/x+4 d. xsquared-6x+7-5/x+4

# factor 5y-21x+3xy-35 completely

a. (3y-7)(x+5) b. (y-7)(3x+5) c. (3y+7)(x-5) d. not factorable