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

37m

#### Simplify the factorial

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

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. __________

3h

#### Calculus need help

9. If  and  for , how small can possibly be?

4h

5. Use Linear Approximation to estimate . Provide your answer in 2 decimal places.  Do not use a calculator. Show work for credit.

4h

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

Sin2x - sin x =0

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

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

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,

4h

#### 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

#### 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

#### 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

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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