Wednesday
December 11, 2013

# Posts by courtney

Total # Posts: 631

Math
The diameter of a circle is 130 cm, and a chord of the circle is 66 cm long. What is the distance between the chord and the center of the cirlce?

Geometry
A park maintenance person stands 23 m from a circular monument. If you assume her lines of site are tangents to the monument and make an angle of 23degrees, what is the measure of the monument that her lines of site intercect?

Geometry
Thanks so much!

Geometry
The measure of the central angle of a sector of a circle is 90degrees. The arc length of the sector is 3(pie) cm. What is the radius of the circle?

Geometry
6 = x + 2

Algebra 2
Part 1 Describe the graphs of the functions f(x) = 2^x – 1 and g(x) = –2^x – 1 Part 2 Compare and contrast the domain and range of f(x) and g(x).

earth
3. Show how the length of day changes with latitude by plotting the following points. Use the table below as a graph and place an X in the box where you want to plot a data point. For example, if you find that a day is 10 hours long at 30° N latitude, represent this data w...

chemistry
What weight of potassium chlorate is required to prepare 89.6mL of oxygen measured over water at 21.0 degrees C and 743 millimeters of mercury?

calculus
How do I find the indefinite integral of cosx/(1-cos^2 x)dx?

geometry
If you had a room that is 10 foot by 12 foot in the shape of a rectangle, and one gallon of paint covers about 350 square feet, how many gallons of paint would you have to buy if you were painting the walls and the ceiling?

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