Tutors Answer Your Questions about Geometry Word Problems (FREE)
Question 58813: Suppose that the length of a radius of a circle is the same as the length of a side of a square. If the circumference of the circle is 15.96 centimeters greater than the perimeter of the square, find the length of a radius of the circle. (Use 3.14 as an approximation for Pi.)
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 58915: Locating the receiver for a radio telescope.
The U.S. Naval research Laboratory designed a giant radio telescope weighting 3450 tons. Its parabolic dish has a diameter of 300 feet and a depth of 44 feet
(a) find an equation in the form y=ax^2 that describes a cross section of this dish.
(b) if the receiver is located at the focus, how far should it be from the dish(vertex)?
Click here to see answer by stanbon(75887) |
Question 59120: The length of a rectangle is 3 more than twice its width. The perimeter is 48 feet. Find the width. Hint: You did this in Module 3 Assignment 5. Now you have to write the equation and solve it.
a. 16
b. 7
c. 8
d. 21
e. 24
Click here to see answer by funmath(2933) |
Question 59256: If one-half of one integer is subtracted from three-fifths of the next consecutive integer, the difference is 3. What are the two integers?
I wrote for following expressions:
a =
b = a+6
c = 3(a+b)-4
I am unable to solve for the three angles. Your help is appreaciated.
Thank you.
Click here to see answer by armidano(1) |
Question 59256: If one-half of one integer is subtracted from three-fifths of the next consecutive integer, the difference is 3. What are the two integers?
I wrote for following expressions:
a =
b = a+6
c = 3(a+b)-4
I am unable to solve for the three angles. Your help is appreaciated.
Thank you.
Click here to see answer by josmiceli(19441)  |
Question 59395: I am sooo stuck on this problem! I have attacked it from so many ways, and am getting more and more confused! PLEASE HELP! THANK YOU in advance!
A garden area is 30ft long and 20ft wide. A path of uniform width is set around the edge. If the remaining garden area is 400 square ft, what is the width of the path?
Step by step help would be so wonderful! Thanks again!
ac
Click here to see answer by stanbon(75887) |
Question 59545: Beth has 3,000 feet of fencing available to enclose a rectangular field. One side of the field lies along a river, so only three sides require fencing.
(a) Express the area A of the rectangle as a function of x, where x is the length of the side parallel to the river.
(b) Graph A = A(x) using a graphing utility. For what value of x is the area largest?
A wire of length x is bent into the shape of a circle.
(a) Express the circumberence of the circle as a function of x.
(b) Express the area of the circle as a function of x.
Click here to see answer by josmiceli(19441)  |
Question 60127: A cubic shipping container had a volume of v^3 cubic meters. The height of the container was decreased by a whole number of meters and the width was increased by a whole number of meters so that the volume of the container is now v^3 + 2v^2 – 3v. Find out the following:
a. By how many meters the height was decreased?
b. By how many meters the width was increased?
Click here to see answer by Edwin McCravy(20055)  |
Question 60963: A rectangular piece of cardboard is 2 units longer than it is wide. From each of its corners a square piece 2 units on a side is cut out. The flaps are then turned up to form an open box that has a volume of 70 cubic units. Find the length and width of the original piece of cardboard.
Click here to see answer by Earlsdon(6294) |
Question 60957: A certain sum of money is invested at 10%. Twice that amount is invested at 8%. The total amount of interest from both investments is $91.00. How much is invested at 8%. Can you show me how you work it out and solve it?
Click here to see answer by checkley71(8403) |
Question 60954: A mother left 20% of her estate to one son and 25% to another son. The remaining $55,000 she left to the other daughter. Find the amount of investment. This is relatively easy, but I can't remember how to work it out. Can you show me how to work out this word problem.
Click here to see answer by checkley71(8403) |
Question 62037: You are visiting your grandparents on their farm. They have asked you to design a small, rectangular-shaped vegetable garden along an existing wall in their backyard. they wish to surround the garden with a small fence to protect their plants from animals.
To enclose the garden, you have 15 yards of fencing. The fencing is sold in .6 yard panels. In order to grow as many vegetables as possible, your task is to design the fence to enclose the maximum possible area. Partial panels of fencing may not be used.
How many panels of fencing should you use along the width of the garden?
How many panels would you use along the length of the garden?
Justify your solution in complete sentences.
===============================================================================
I know that the length is 27 feet (15 panels) and the width is 9 feet (5 panels) each. Panels are 1.8 feet each. The wall is the 2nd length.
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 62806: I have tried to take H= volume divided by the length and width. But I could not come to a solution. Here is the question. A rectangular solid has the base width of 10cm and width 9cm. If the volume of the solid is , find the hieght of the sloid. Thank you in advance.
Click here to see answer by 303795(602) |
Question 62935: Cameron had driven his car 20 kilometers before Ruth began driving her car to catch up. How long will it take Ruth to catch Cameron if Cameron travels at 55 kilometers per hour and Ruth travels at 135 kilometers per hour?
Click here to see answer by joyofmath(189) |
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