Tutors Answer Your Questions about Geometry Word Problems (FREE)
Question 4795: I dont know how to go through the steps to solve these problems.
174=(n-2)*180 (over n - program wont depict it properly)
and 178= (n-2)*180 (over N)
I am trying to solve for the number of sides in a regular polygon and this is the equation i came up with based on the vertex I was provided (the answer) for each. Any help you can offer would be greatly appreciated.
Virginia.
Click here to see answer by longjonsilver(2297)   |
Question 4790: How can I solve the following problem: The tallest inhabited building in the world is the Sears Tower in Chicago. If the observation tower is 1450 feet above ground level, how far can a person standing in the observation tower see (with the aid of a telescope)? Use 3960 miles for the radius of Earth.
Note: 1 mile = 5280 feet
Click here to see answer by Earlsdon(6287) |
Question 4843: Convert each of the following as indicated.
1. 0.003 to percent
2. 0.035% to decimal
3. 3/5 to percent
4. 35% to reduced to fraction
5. 3.11 to percent
6. 29.5% to decimal
7. 5/4 to percent
8. 28% to a reduced fraction
Solve
1. Find 22% of 350
2. 5% of what is 240?
3. Find what percent of 40 is 12.5.
4. Find 135% of 400.
5. 120% of what is 350?
6. Find what percent of 25 is 40.
Thank You very much for your time we, you are very much appreciated.
Click here to see answer by lotanez(23) |
Question 5367: Please someone help me quick! My son has 3 more test to take this summer and we are really having a hard time. It's been way too long since I have had math.
The problem is:
The perimeter of a rectangular field is 60 meters. Its area is 200 square meters. Find its dimensions.
Thank you in advance for your help. I LOVE THIS SITE!!!!!!!!!!
Mom in trouble deep!
Click here to see answer by rapaljer(4667)  |
Question 5370: I need help again. I am sorry but I keep running into these questions and I can't explain it to my son until I know how to do it myself.
How high must a crate be in order to hold 120 cubic meters if it has a base area of 24 square meters?
Thank you again, I really don't know what I would do without this site!!!!
Click here to see answer by rapaljer(4667) |
Question 5372: I'm sorry, I need help again.
What is the radius of a circle whose area is 154 square centimeters?
A=pi r(squared) for pi they are using 22/7 if I am right that is 3.14?
154=3.14 r(squared)
This is as far as I can get because I can not remember how to do the squared.
After this I am going to bed. My brain is fried trying to fiqure all these out and trying to explain them to him in the process.
Click here to see answer by rapaljer(4667) |
Question 5720: The area of a triangle is 37 square feet and the height is 10 feet. Find the base? I know that Area = 1/2 base height. The Area is 37 square feet and the height is 10 feet. I am lost can you help me? please?
Click here to see answer by arunpaul(104) |
Question 5799: A rocket is fired upward from the ground with an initial velocity of 80 feet per second. The polynomial 80x-16^2 describes the height of the rocket, in feet, after x seconds.
a) Find the rocket's height after 4 seconds
b) Factor the polynomial
c) Use the factored form of the polynomial in part (b) to find the rocket's height after 4 seconds. Do you get the same answer as you did in part (a)?
Click here to see answer by ichudov(499)  |
Question 6543: Show that quadrilateral ABCD can be inscribed in a circle if and only if angle B and angle D are supplementary.
Hint: To proveif, show that D lies on the unique circle through A, B, and C.
Note: A quadrilateral inscribed in a cricle is said to be cyclic.
Click here to see answer by khwang(438) |
Question 6660: Hi,
I have tried this but am new to it and not sure.
Question is: The coordinates of three vertices of a rectangle are (-2,1), (0,-1), and (3,2). First part - What is the fourth vertex? I said (5,0). Is that correct? Second part - What is the length of the diagonal of the rectangle? I said the rise is 2 and the run is -2, making the slope -1, is that the length?
Click here to see answer by ichudov(499) |
Question 6546: A open box with a square base is required to have a volume of 10 cubic feet.
(a)Express the amount A of material used to make such a box as a function of the length x of a side of the square base.
(b) how much material is required for a base 1 foot by 1 foot?
(c) How much material is required for a base 2 feet by 2 feet?
(d) Graph A= A(x). For what value of x is A smallest?
Click here to see answer by prince_abubu(198) |
Question 6771: In 1974, the French Army sent soldiers up in hot air balloons to observe enemy troop movements. One such balloon, L'Entrepenant, had a volume of 256 (pi)/3.
a)Solve the formula for the volume of a sphere (V=4/3 (pi)r (cubed) for r cubed. Then use this formula to calculate the radius of the L'Entrepenant balloon.
b) What was the diameter of the L'Entrepenant balloon?
UGH!
i appreciate your time- this is my step-daughter's homework problem and it has us both baffled!
Click here to see answer by ichudov(499) |
Question 7290: Please help me answer these questions..
1)determine whether ecah of the following best suggest a point, a line,, or none of these.
a) a farmer's field.
B) a telephone wire.
c) a parking lot.
d) your hometown on a large map.
Click here to see answer by bonster(299) |
Question 7323: Lightning hit a tree three-eights of the distance up the trunk from the ground and broke the tree so that its top landed 40 ft from the base of the trunk. Creates a triangle. Question is How tall was the tree originally. I said a2+b2=c2, so 1600+.140625(change 3/8 to decimal)= then it all falls apart from there.
Click here to see answer by Earlsdon(6287) |
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