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Finding the sum of a geometric series.

Find the sum: 1/8+1/4+1/2+1+........64

Subject:

Math

Topic:

Calculus

Posting ID:

2745

OTA ID:

101421

View Details $1.99 Download Add to Cart

Factoring and simplifying trigonometric expressions.

1. Simplify: sin^2(x)/sec^2(x)-1 2. Factor and simplify: cos^2(x)-sin^2(x)cos^2(x) 3. Perform the addition and simplify: 1/1+sinx + 1/1-sinx 4. Simplify: sec^4(x) + sec^2(x)-2

Subject:

Math

Topic:

Calculus

Posting ID:

2755

OTA ID:

101421

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Finding the rate of change.

A series of swells passes through a group of surfers. They notice that for a few minutes, the waves pass through at regular intervals: every 14 seconds. Let t=0 be the time when the wave is at its lowest point. The maximum instantaneous increase in height of the wave is 2.25 feet per second. a. Find r(t), the rate of change of the height of the wave above the ocean floor at time t seconds. b. If the bottom of the wave is 8 feet above the ocean floor, find h(t), the height of the wave at time t.

Subject:

Math

Topic:

Calculus

Posting ID:

2828

OTA ID:

101262

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Rate of change

Ichiro hits the ball and runs toward first base with a speed of 25 feet per second. The shortstop, who is exactly 40 feet in from third base on the baseline, gets the ball exactly 1.7 seconds after Ichiro started running (assume he runs at a constant rate.) At what rate is Ichiro's distance to the shortstop increasing at the moment the shortstop picks up the ball. (Note: A baseball diamond is a square with sides of 90 feet.)

Subject:

Math

Topic:

Calculus

Posting ID:

2829

OTA ID:

102097

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Trapezoidal Rule and Simpson's Rule - Error analysis

I am working on Trapezoidal Rule and Simpson's Rule - Error analysis, but need to make sure I do them correctly. Since there are many potential sources of error, please work the problems showing ALL the steps.

Subject:

Math

Topic:

Calculus

Posting ID:

2868

OTA ID:

102827

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