08/10/13

#### when a quadratic function is inversed to a radical function, why does the radical function not correctly show the reflection of the graph?

since y=x^2 is inverse to y=sqrt(x), it was supposed to reflect on the line y=x, but the radical function did not show the correct reflection of the quadratic graph because it only showed the half...
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08/10/13

#### simplify v3:81x^(6)y^(9)

a. 3x^(2)y^(3)√3:(3)b. 9x^(3)y^(4)√3:(y)c. 3x^(3)y^(6)√3:(3)d. 3x^(3)y^(4)√3:(3y)

08/10/13

#### the total hours = 2 hrs 9 Mins. if you start at 9:00AM what time would you finish?

I have to add up break periods. The total break hours is 2hrs 9 mins
the start time is 9:00AM what time would be my end time?
9:0AM to ????? = 2hrs 9 mins

08/10/13

#### 11n+11p. 11+n+p. 11np. 11p+np. 11n+np

There are n lines of people at the concession stands at a baseball game and each line has 11 people in it. If p people are added to each row, how many total people will be in all the lines, in...
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08/09/13

#### average upperboundary is 13 kms above earth surface.Height varies with latitude seasons by as much 5 km. Write and solve an equation of max/min heights

math homework

08/09/13

#### Use the Laplace transform?

Use the Laplace transform to solve y^(4)-4y'''+6y"-4y'+y=0; y(0)=0, y'(0)=1, y"(0)=0, y'''(0)=1.
Answer: y=te^t-t^2*e^t+(2/3)t^3*e^t
L(y^(4))-4L(y''')+6L(y")-4L(y')+L(y)=L(0)
But I don't know...
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08/09/13

#### How do I solve this equation: 5(x+3)-(4x-6)=-4

Help please! I have substituted 25, 17, 13 and -25 from the answer bank - none of which balance out to a -4. Completely stumped.

08/09/13

#### what is the length of a rectangle with a width of 5ft and an area of 30 square feet?

How would I solve this question? Please demonstrate and so me how you got the answer. thanks

08/09/13

#### simplify (-2)power of 4xcubedypower of 6 divided by (-2)squaredxpower of -2ypower of -3

a. 64xpower 5ypower of 9
b. -64xycubed
c. -4xycubed
d. 4xpower of 5 ypower of 9

08/09/13

#### one of the factors of 16xpower of 4-1 is 4xsquared +1

a. 8x+1, x-1
b. 4x-1, x+1
c. 2x+1, 2x-1
d. 4x+1, x-1

08/09/13

#### simplify(4x)cubed(-2xcubed)squared

a. -256xpower of 5
b. -8xpower of 9
c. 256x power of 9
d. 8xpower of 5

08/09/13

#### simplify (xsquared-4ysquared)-(3xsquared-2ysquared)

a. -2xsquared+2ysquared
b. 4xsquared-6ysquared
c. -2xsquared-2ysquared
d. -2xsquared-6ysquared

08/09/13

#### when you solve (xcubed+4x-4)/(x+2) by long division whats the remainder

a. 10
b. 15
c. -5
d. -20

08/08/13

#### Write the equation of a line perpendicular to the given line but passing through the given point. y = -3x-6 (-1, 5)

I need to use the slope intercept form which is y –y1 = m (x – x1)

08/08/13

#### Use the Laplace transform?

Use the Laplace transform to solve y"-y'-6y=0; y(0)=1, y'(0)=-1.
Answer: y=(1/5)(e^(3t)+4e^(-2t))
I don't know how to take the Laplace transform for both sides. Help me step by step.

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