Questions on Word Problems: Geometry answered by real tutors!

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Question 818110: how many three digit natural numbers can be named with each of the digits 5, 6, 7 and 8 used at most once
Click here to see answer by stanbon(75887)

Question 818141: A rectangular room has length 150 m and width 100 m. How many square size tiles of length 0.25 m can be occupied?
Click here to see answer by TimothyLamb(4379)

Question 818254: Hi I was wondering if someone could help me understand this question. Please and Thank You.
Sam wants to build a fence in a rectangular space in his back yard. This will be a safe place for his children to play. He has a total of 40 meters of fencing. Assume that he is going to use all the fencing. If the width of the rectangular fenced area is 8 meters, what would the length of the rectangular area be? How many square meters would Bill�s children have to play in?
Click here to see answer by stanbon(75887)

Question 818305: Consider the line y=2/5x-3
Find the equation of the line that is parallel to this line and passes through the point(5, 4).
Find the equation of the line that is perpendicular to this line and passes through the point(5, 4)
Click here to see answer by TimothyLamb(4379)

Question 818363: The depth of a lake can be calculated by the function y=.2x^2-10x+6 . Where x represents the distance from the Western edge.
b) What is the diameter of the lake? Round to the nearest thousandth.

Click here to see answer by stanbon(75887)

Question 818051: Sam wants to build a fence in a rectangular space in his back yard. This will be a safe place for the children to play. He has 40 meters of fencing. Assume that he is going to use all the fencing. If the width of the rectangular fenced area is 8 meters, what would the length of the rectangular area be? How many square meters would Bill's children have to play in?
Click here to see answer by wrex(1)

Question 818454: The length of a rectangular parking lot is 4 meters less than twice its width, and the perimeter is 412 meters, find the length of the parking lot.
Click here to see answer by algebrahouse.com(1659)

Question 818473: Sparkle increased the price of a $1.40 cola by 20%. Find the increase in price and the new price.
Click here to see answer by TimothyLamb(4379)

Question 818524: A two cones base radius is same. If the ratio of the raddi of two cones having equal hight2:3 then, find the ratio of their curved surface area
Click here to see answer by jhunjiro(67)

Question 818552: What must be true for line AB
to be a median of triangle ACD?
The triangle looks like a equilateral triangle with the line AB going up vertically coming from point a at the top of the triangle.

Click here to see answer by LinnW(1048)

Question 818603: The diagonal of a square is 3 ft. long, what is its perimeter?
Click here to see answer by stanbon(75887)

Question 818633: A car travels 200 mi. A second car, traveling 10mph faster than the first car, makes the same trip in one hour less time. Find the speed of each car.
Click here to see answer by TimothyLamb(4379)

Question 818632: The length of a rectangle is 1 foot less than three times the width. The area of the rectangle is 80 square feet. Find the length and width of the rectangle. Use the quadratic equation to solve.
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Question 818745: a tower that is 147 feet tall casts a shadow 155 feet long. find the angle of elevation of the sun to the nearest 10th degree
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Question 818741: A high school is planining to build a new playing field surrounded by a running track. The track coach wants 2 laps around the track to be 1000m. The football coach wants the rectangular infield to be as large as possible. Can both coaches be satisfied? State the dimensions.
Click here to see answer by TimothyLamb(4379)

Question 818761: Cone and hemisphere volume is same. Find ratio of radius and hight
Click here to see answer by jsmallt9(3758)

Question 819007: How many complex solutions does the equation x3 = 1 have?
Click here to see answer by Alan3354(69443)

Question 819335: BellSouth Telephone Company wants to know how many telephone numbers are possible for each code. If the digits 1 and 0 cannot be used in the first two positions, how many seven-digits phone numbers are possible for each code?
Click here to see answer by stanbon(75887)

Question 819374: how do i find the missing side length of a multi-step special right triangles in radical form?

Click here to see answer by richwmiller(17219)

Question 819397: How do you answer the question, A 26-inch diameter bicycle tire rotates 500 times. How many feet does the bicycle travel?
Click here to see answer by stanbon(75887)

Question 819291: Safety regulations say that there should be at least 12 cubic meter for each person in a room where people sleep. A room is 25 meter long, 15 meter wide and 5 meter high. What is the maximum number of people who can sleep in it safely?
Click here to see answer by richwmiller(17219)

Question 819510: the perimeter p of a rectangle is given by 2l+2w=p, where l is the length and w is the width. if the perimeter of the rectangle is 30 inches, write an equation for the perimeter in standard form
Click here to see answer by josgarithmetic(39617)

Question 819622: Maria left her hose and walked 2 miles north then she turned and walked 3 miles west . How far is maria from her house? Round your answer to the nearest tenth
Click here to see answer by Alan3354(69443)

Question 819632: Is h = -15 a solution for -30 = h -15
Click here to see answer by rfer(16322)

Question 819682: Please help me answer this confusing problem:
The number of doors in Alex's house, when doubled is a perfect square. When the number of doors is decreased by two, the result is ten more than the square root of the perfect square. How many doors are in Alex's house.
Click here to see answer by mananth(16946)

Question 819769: [ if a person runs 15 times around the edges of a rectangle which is 30 m by 25 m. find the total distance the person runs.? ]
Click here to see answer by TimothyLamb(4379)

Question 819790: [ Use similar triangles to answer the following questions.
A tree casts a shadow 6 ft long. At the same time a vertical rod 4 ft high casts a shadow that is 3 ft long. How tall is the tree? ]

Click here to see answer by TimothyLamb(4379)

Question 819679: Please help me answer this problem as soon as possible:
The perimeter of a rectangle is 104 feet. If the width is increased by 3/4 of the length, the width would then be 2 more than the length. Find the original length and width.
Click here to see answer by ankor@dixie-net.com(22740)

Question 819866: Alexandra needs to reshingle her roof. She leans a ladder against the the wall of the house so that the top of the ladder is 8 feet above the ground. The bottom of the ladder is 5 feet from the base of the wall. Find the angle formed between the ladder and the house. Round the answer to the nearest whole degree.

Click here to see answer by TimothyLamb(4379)

Question 819748: Shown in the figure is the screen for a simple video arcade game in which ducks move from A to B at the rate of 5 cm/sec. Bullets fired from point O travel 23 cm/sec. If a player shoots as soon as a duck appears at A, at which angle φ should the gun be aimed in order to score a direct hit? (Round your answer to one decimal place.)
Click here to see answer by ankor@dixie-net.com(22740)

Question 820239: Can you please help me
The width of a rectangle is 9 feet less than its length. The area of the rectangle is 90 ft^ . Find the length and width.
Please help me I wasn't here on the day they taught us this. Thanks
Click here to see answer by Alan3354(69443)

Question 820284: Let me start by saying I am 37 and have taken on homeschooling for my 7th and 9th grader. My dilemma is I have searched everywhere for the answer to this problem. First of all I assume it is suppose to be searching for square feet, but it seems to be miss worded. So I'm confused. So here is the word problem verbatim... GEOMETRY To find the area of a floor, you can multiply its length times its width. The measure of the area of a floor is 49 units3. Find the most likely length and with of the room... So could you please help me understand it? My daughter worked it as 7x7=49. Would that be correct? It seemed to simple to be correct considering its geometry. Thank you so much, Tamela
Click here to see answer by fcabanski(1391)

Question 820409: when a shed is 8.8 m high cast a shadow of 7.7 m long, how long is a shadow cast by a person 1.9 m tall?
Click here to see answer by stanbon(75887)

Question 820395: If you have a semicircular driveway, with an outside perimeter of 57 linear feet, and a width of 12 feet, what would be the area of the driveway?
Click here to see answer by richwmiller(17219)

Question 820397: If you have a semi circular driveway with an outside perimeter of 57 linear feet, an inner perimeter of 30.5 linear feet, and a width of 10 feet, what is the actual area of the semicircular section of the driveway?
Click here to see answer by richwmiller(17219)

Question 820460: a ball is thrown straight upward at an initial speed of 240 feet per second. From physics, we know that the ball will reach a height of h feet after t seconds where h and t are related by the following formula: h=-16t^2+240t. when did the ball hit the ground?
Click here to see answer by TimothyLamb(4379)

Question 820518: a 58-m garden hose is stretched diagonally across a yard. if the width of the yard is 24 m what is the length of the yard round to the nearest tenth
Click here to see answer by TimothyLamb(4379)

Question 820505: A construction company builds a rectangular fenced in area with a perimeter of 46 meters. The length is 5 meters more than the width. what are the dimensions of the fence?
Click here to see answer by TimothyLamb(4379)

Question 820503: A construction company builds a rectangular fenced in area with a perimeter of 46 meters. The length is 5 meters more than the width. what are the dimensions of the fence?
Click here to see answer by TimothyLamb(4379)

Question 820694: [ Driving through the mountains, Dale has to go up and over a high mountain pass. The road has a constant incline for 7.75 miles to the top of the pass. Dale notices from a road sign that in the first mile he climbs 840 feet. How many feet does he climb in all? ]
Click here to see answer by TimothyLamb(4379)

Question 820663: When the Montesano family members discussed where their annual reunion should take place, they found that of all the family members.
8 would not go to the park.
7 would not go to the beach.
11 would not go to the family cottages.
3 would go to neither a park or beach.
4 would go to neither a beach nor the family cottage.
6 would go to neither a park nor the family cottage.
2 would not go to the park or a beach or a family cottage.
1 would go to all three places.
What is the total of family members?
Please help and Thank you!
Click here to see answer by Edwin McCravy(20054)

Question 820783: Logx(9/16)=-2 then x =?
Click here to see answer by jhunjiro(67)

Question 820921: the base of a triangle is 4 inches less than twice its height. if the area of the triangle is 360 square inches, what is the base of the triangle?
Click here to see answer by TimothyLamb(4379)

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