32m

Determine the seating capacity of a new auditorium
Determine the seating capacity of a new auditorium that has 36 rows of seats. The first row has 15 seats, the second row has 18 seats, the third row has 21 seats and so on. How many seats are... more
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37m

Simplify the factorial
Simplify the following factorial. N! / (n+1)!
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3h

A cello string vibrates in its fundamental node with a frequency of 220 Hz. The string's vibrating length is 49.2 cm.

(A) Find the speed of the wave on this string. __________(B) Find the frequency of this string when it vibrates with 6 nodes and 5 anti-nodes. __________
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3h

A sine function has an amplitude of 3, period of 6 pi, horizontal shift of 3 pi/2, and vertical shift of -1. What is the y-value of the positive function when x=2 pi?

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3h

A hemispherical tank is filled with water and has a diameter of 17 feet. If water weighs 62.4 pounds per cubic foot, what is the total weight of the water in a full tank, to the nearest pound?
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3h

Jack spent half of his weekly allowance on video games. To earn more money his parents let him wash the car for $6. What is his weekly allowance if he ended with $15?
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3h

Calculus need help
9. If  and  for , how small can possibly be? 
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4h

calculus need help please
5. Use Linear Approximation to estimate . Provide your answer in 2 decimal places.  Do not use a calculator. Show work for credit.
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4h

Calculus need help please
3. A girl is flying a kite on a string. The kite is 120 ft. above the ground and the wind is blowing the kite horizontally away from her at 6 ft/sec. At what rate must she let out the string when... more
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4h

Solve the following on the interval [0,2pie)
Sin2x - sin x =0
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4h

Change the order of integration and solve. Best of luck.

∫04∫0√y e12x-x^3dxdyIf you can't read it, the inner integral is from 0->√yOutermost integral is from 0->4I believe I did the change of integration correctly, but actually evaluating that... more
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4h

If y varies inversely as x and y=12 when x=-4, find x when y=6.4. (write only the value of x)

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4h

in the given figure find the number of faces, vertices and edges

https://drive.google.com/file/d/1tuejvPgbmogkXDMCilDel9dW_rJ-idtC/view?usp=sharing(^^ use link to see image of the problem and figure)
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4h

English Grammar
You have to use the past perfect in the sentences.Fred hadn't made many friends when he was at school. But by the end of the first week at university, he ____ (meet) lots of people with similar... more
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4h

find the area of a regular hexagon

find the area of a regular hexagon with sides of 10 in and apothem of 5 square root of 3 inches,
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4h

find the area of the regular decon

find the area of the regular decon with radius of 6 cm(please help)
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5h

A hemispherical tank is filled with water and has a diameter of 19 feet. If water weighs 62.4 pounds per cubic foot, what is the total weight of the water in a full tank, to the nearest pound?
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5h

Algebra 2 Help With Logarithmic Functions
The formula M = log I/S determines the magnitude of an earthquake, where I is the intensity of the earthquake and S is the intensity of a “standard earthquake.” How many times stronger is an... more
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5h

A solution that has not reached the limit of solute that will dissolve in it is said to be saturated. Is this statement true or false?
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5h

Magnesium metal reacts with hydrochloric acid to form magnesium chloride and hydrogen gas.
Magnesium metal reacts with hydrochloric acid to form magnesium chloride and hydrogen gas. Suppose we react an excess of magnesium metal with 19.0 mL of a 3.00 M solution of hydrochloric acid and... more
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5h

Becky can jump 25 times in ten seconds. How many times can Becky jump in a minute?
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5h

An object oscillates as it moves along the x-axis. Its displacement varies with time according to the equation... (see description for full problem)

An object oscillates as it moves along the x-axis. Its displacement varies with time according to the equation x=4cos(pi t + pi/4) where t= time in seconds and x= displacement in meters What is the... more
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6h

A spring has a force constant of 520.50 N/m. What is the elastic potential energy stored in the spring when it is stretched 0.45 m from equilibrium?
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6h

Evaluate the indefinite integral. (Use C for the constant of integration.)
Evaluate the indefinite integral. (Use C for the constant of integration.)sin(2x) / 46 + cos^2 (x) dx
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6h

If Quadrilateral TUVW [T (-4,2), U (4,3), V(4,-1), AND W (-3,-2)] is REFLECTED across the y-axis to become Quadrilateral T'U'V'W', what will the coordinates of W' be?
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