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Percentage Error of an Estimation

How accurately must the angle be measured for the percentage error in estimating the height of the building to be less than 4%?

Subject:

Math

Topic:

Calculus

Posting ID:

11290

OTA ID:

101767

View Details $1.99 Download Add to Cart

Lower Estimate, Upper Estimate

Lower Estimate, Upper Estimate

Subject:

Math

Topic:

Calculus

Posting ID:

11291

OTA ID:

103300

View Details $1.99 Download Add to Cart

Area of region

Find the area of the region bounded by the following graphs: y=x^2 ; y=8-x^2 ; and y=x^2+6. I first figured out the area of (8-x^2) minus (x^2) using integral from -2 to 2 and found 64/3 . Then I figured out the area of (8-x^2) minus (x^2+6) using integral -1 to 1 and found 4. I then just subtracted these two regions from one another and got 52/3. Does this sound right?

Subject:

Math

Topic:

Calculus

Posting ID:

11442

OTA ID:

103300

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Rotated Volume about x-axis

Given the region bounded by y=x^2 and y=-4x+12 and y=0 , find the volume of the solid generated by rotating this region about the x axis. I found a volume of 477pi/5 or approx. 300, does this sound right?

Subject:

Math

Topic:

Calculus

Posting ID:

11443

OTA ID:

103300

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The length of a curve

Using the curve y=2x^(3/2) +3 (3/2 is the power on x) from x=0 to x=4 : A.) estimate the length of the curve by computing the straight line distance between the endpoints. *I found the answer to be sq root of 272 or approx. 16.4924. Sound correct? B.) Compute exact length of the curve. *I'm using S = The Integral from 0 to 4 sq root of 1 +(3x^1/2)^2 dx, but I get a huge number - what am I doing wrong?

Subject:

Math

Topic:

Calculus

Posting ID:

11446

OTA ID:

103300

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