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How do i solve and what is 2 to the power of Pi equal to

What is 2 to the power of Pi equal to?

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Press 2 ^ 2ND ^ ENTER .

If you get a symbolic result, press diamond ENTER .

Posted on Jan 18, 2013

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Posted on Jan 02, 2017

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2 Answers

How many cubic yards would it take to fill in. 20' x 2' diameter


Hi Paula:
A mathematical logic question.
You need to get all of the measurements in the same units.
- A cubic yard is 1 yard x 1 yard x 1 yard
- equals 3 ft x 3 ft x 3 ft
- equals 27 cubic feet,
so once you have the volume of the pipe in cubic feet, you divide by 27 to get the volume in cubic yards.
- Volume of a cylinder (the pipe) is the cross sectional area X length.
- Area equals Pi x r squared.
- equals 22/7 x 1 x 1
equals 3.14#####
times length (20)
equals 62.857### cubic feet volume
divide by 27 cubic feet
equals 2.328### cubic yards.

- The answer is always the easy part.
- what is important is knowing exactly what the question is, and
- determing what calculations are needed to get the answer.

Wasn't that better than if I'd just said 2 1/3 cubic yards?
Cheers

Jan 05, 2016 | Office Equipment & Supplies

2 Answers

How much volume in gallons does three quarter inch copper pipe if it is ten f9ot long.


Hi Wayne:
For my curious mind, what is the project that you need this for?

To solve the problem, the volume of the pipe is the cross sectional area times the length.
Area = pi r squared.
= 22/7 times .75 / 2 squared
= 3.1428571 times .375 times .375
= o.4419642 square inches

The pipe is 10 feet long, times 12 equals 120 inches long.
The pipe volume is 120 times 0.4419642 equals 53.035704 cubic inches.

The next part of the question is to convert cubic inches to gallons.
I use my Texas Instruments TI-1889
53.035704 to metric, in cubed to cm cubed = 869.09608
Divide by 1,000 equals .86909608 litres
From Metric, imp gal (I'm in Canada) to L = 0.1911781

Ta Da!
Cheerfuls

Jun 03, 2015 | Cars & Trucks

1 Answer

All these answers are for square objects. How do I find the measurements of a round object, i.e. a cement mixer?


Hi Debbie:
You still get to use your calculator, but you need to use the mathematical formulae dealing with circles.
Area = pi times r squared
Volume of a cylinder = Area (of one end) times length.

For your cement mixer, (Average the diameter for simplicity)
All of the measurements need to be in the same units, lets use inches, then convert it to cubic feet.....
the volume would be:
pi (22 divided by 7)
times
1/2 diameter
times
1/2 diameter
times
depth

For my ancient mixer that would be:
22 / 7 x 10" x 10" x 22" = 6,914 cubic inches
1 cubic foot equals 12" x 12" x 12" equals 1728 cubic inches.
6,914 divided by 1728 equals 4 cubic feet.

Now we don't fill it right up, but that is its capacity.

Hope that helps.
By the way, my mixer likes 10 shovel fulls of navvy, 2 shovels of type 10 cement, and about 2 quarts of water to get a nice mix.
I do the water first,
then 5 navvy
then 2 cement
then another 5 navvy,
then just enough water to get the right consistency.
Cheerfuls!

May 10, 2015 | Office Equipment & Supplies

2 Answers

15" circle what is outside measurement


If you would like to know the circumference of a 15" diameter circle this is the formula:
circumference = radius x 2 x pi
circumference = diameter x pi

in our case:
circumference = 15" x 3,14
circumference = 47 ,1" (that's 119,634 cm)

May 06, 2014 | Cars & Trucks

1 Answer

Finding pi


hi

look for the pi key it should be there or type

sin(180/1000000)*1000000 press enter or equal key to get 3.141592654 for a result it the same value as pj on the pi key times it by 3 to get
9.424777961 for a result.

hope this helps

Apr 18, 2014 | Texas Instruments TI-15 Explorer...

1 Answer

I can not graph a parametric equation useing radians. I am using a TI-nsipre with out any updates since purchase not a CAS or CX one.


In parametric functions, the variables x and y are both functions of an independent variable, called t, and that usually represents the time. The default variable in parametric functions must be called t. You can enter the limits you want. However if you type in 2 Pi it will be converted on the entry line to 6.28. The default tstep is 0.13 which is about pi/24. I fail to see what the commotion is about.
In this representation of the witch of Agnesi, the variable t is between 0 and 4Pi, and the step tstep is 0.13, a little less that pi/24
Reset your calculator and restart


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Mar 14, 2014 | Texas Instruments TI-Nspire Graphing...

1 Answer

Convert -525 degrees into radain pi form


Here is some help
180deg is equivalent to Pi radians
Take some angle. Its measure in degrees is say x_deg, Its measure expressed in radians is x_rad.
The fraction of 180 deg that the angle represents is equal to the fraction of PI that this angle represents.
Conclusion: the ratio x_deg/ 180 deg must be equal to the ratio of x_rad/PI
x_deg/180 deg=x_rad/PI

Isolate X-rad in the above equation. Some will tell you to cross multiply.
x_rad=(Pi/180)*x_deg

Application: x_deg=-525 in radians?
x_rad= (PI/180)*(-525)=-(525/180)*PI

Keep the value (525/180) as a fraction reduced to its simplest form. The result is 35/12


k24674_155.jpg

Sep 26, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

Need tub capacity


Instructions
Things You'll Need:

* Measuring tape

1.


Measure the depth from inside the washer with a measuring tape. Start from the back of the inside of the washer towards you to the front of the washer. Measure the depth from a top loading washer from the bottom of the inside of the washer to the top. For example, a washing machine may have a depth of two feet.
2.


Measure the height inside the washer unit. The height inside the washer is from the bottom of the inside of the washer to the top of the inside of the washer for a front loading washing. The height is from one side of the inside of the washer to the other side in a top loading washer. For example, the inside of a washer may be one and a half feet, or 1.5 feet.
3.


Divide the height calculated in step 2 by two, and square it. In the example, 1.5 divided by two equals 0.75, and 0.75 to the power of 2 equals 0.5625.
4.


Multiply the number calculated in step 3 by the depth of the washing machine. In the example, 0.5625 times two equals 1.125.
5.


Multiply the number calculated in step 4 by Pi to determine the capacity. Pi is generally estimated as 3.14. In the example, 1.125 times 3.14 equals a washer capacity of 3.5325 cubic feet

Dec 21, 2010 | Washing Machines

2 Answers

How do you graph y = the inverse contangent of x?


The cotangent function is not implemented on the TI84PLUS native OS and consequently you will not find its inverse function on the calculator. However, there exits an equivalence (definition) between arc cotangent(x) and arc tangent (1/x).
Thus cot^(-1)(X)= tan^(-1)(1/X),

Be careful. Since it is a multivariate function, some authors define the principal branch in the domain [0, PI], while others define the domain on [-Pi/2, Pi/2]. You will have to consult your textbook, or the documents you are using to find out the domain of the principal branch.

Apr 12, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

What is the area of a semi circle the diameter is 2.500mm the radious is .425mm the circumfrence is 3000mm


You cannot have a semicircle that has a diameter of 2.500 mm and a radius of .425mm and a circumference of 3000mm

Circumference is equal to pi times the diameter. pi is = 3.14

The radius of a circle is always 1/2 the diameter

Area of a circle is pi time the radius squared


Loringh

Oct 30, 2008 | The Learning Company Achieve! Math &...

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