Tutors Answer Your Questions about Geometry Word Problems (FREE)
Question 1140570: A toy rocket is launched from the top of a building 144 feet tall at an initial velocity of 208 feet per second.
a) Give the function that describes the height of the rocket in terms of time t.
b) Determine the time at which the rocket reaches its maximum height, and the maximum height in feet.
c) For what time interval will the rocket be more than 259 feet above ground level?
d) After how many seconds will it hit the ground?
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I have part A down as s(t)= -16t^2+208t+144 but I can't find out how to do part b which is needed for the rest of the parts. Help please!
Click here to see answer by Alan3354(69443)   |
Question 1140570: A toy rocket is launched from the top of a building 144 feet tall at an initial velocity of 208 feet per second.
a) Give the function that describes the height of the rocket in terms of time t.
b) Determine the time at which the rocket reaches its maximum height, and the maximum height in feet.
c) For what time interval will the rocket be more than 259 feet above ground level?
d) After how many seconds will it hit the ground?
--------------
I have part A down as s(t)= -16t^2+208t+144 but I can't find out how to do part b which is needed for the rest of the parts. Help please!
Click here to see answer by ikleyn(52778)  |
Question 1140550: Jamie painted a small rectangular drawing at
Art Club. He then made a scale drawing of his
original painting to create a similar rectangular
poster. He used a scale factor of to create the
rectangular poster. If the perimeter of the
smaller rectangle is 45 centimeters, what is the
perimeter of the larger rectangle?
Click here to see answer by greenestamps(13198)  |
Question 1140529: you are using a photograph that is 4 inches wide and 6 inches high to paint a portrait of a friend on a canvas that is 1 foot wide and 18 inches high. are the dimensions of the portrait a dilation of the dimensions of the photograph? If so, state the scale factor. If not,explain why not
Click here to see answer by greenestamps(13198) |
Question 1140884: A contractor is constructing a coffee table. The contractor knows that the diagonal of the table top is 54 in, the width of the table is 24 in, and the diagonal between the legs is 50 ft. How long should the contractor make the legs?
Click here to see answer by ikleyn(52778) |
Question 1141060: Mary is designing a circular piece of stained glass with a diameter of 9 inches.she is going to sketch a square inside the circular region. Find to the nearest tenth of an inch the largest possible length of a side of the square
Click here to see answer by Alan3354(69443) |
Question 1141263: Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $10 monthly fee and charges an additional $0.16 for each minute of calls. The second plan has a $27 monthly fee and charges an additional $0.12
for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?
Click here to see answer by josmiceli(19441)  |
Question 1141254: Debra wants to measure the height of a tree. She sights the top of the tree, using a mirror that is lying flat on the ground. The mirror is 33ft from the tree, and Debra is standing 9.7ft from the mirror, as shown in the figure. Her eyes are 6ft above the ground. How tall is the tree? Round your answer to the nearest foot. (The figure is not drawn to scale.)
Click here to see answer by josgarithmetic(39617) |
Question 1141259: Jim wants to measure the width of a river. He marks off two right triangles, as shown in the figure. The base of the larger triangle has a length of 56m, and the base of the smaller triangle has a length of 31m. The height of the smaller triangle is 17.8m . How wide is the river? Round your answer to the nearest meter. (The figure is not drawn to scale.)
Click here to see answer by Alan3354(69443) |
Question 1141302: The height of the bedroom is 9 feet. There are 4 rectangular windows in the room that are each 30 inches wide and 36 inches high. You will not paint the windows, the floor, or the ceiling. You will paint the rest of the room, including the door. Your client likes two colors, Light-at Dawn and Cloudy Sunrise. Both colors are only available in 1-gallon cans.
Light-at-Dawn: The regular price of a 1-gallon can is $24, but it is on sale for 25% off the regular price. This type of paint requires 2 coats.
Cloudy Sunrise: The price of a 1-gallon can is $28. This type of paint only requires 1 coat.
Each gallon a point will cover an area of about 350 square feet.
Which paint should you use? Explain or show your reasoning. You may use diagrams, drawings, or equations as well as words.
Click here to see answer by Theo(13342)  |
Question 1141374: tito owns a cargo truck with a container measuring 7.5ft by 15 ft by 7.50ft. tito charges by the number of boxes he's able to transport. if the boxes measure 2.50ft on each side what is the maximum number of boxes he can fit in his truck
Click here to see answer by josmiceli(19441) |
Question 1141393: an architect created a plan for a four-story building with a central courtyard. The building measures 96 ft on each side. The courtyard measures 40 ft on a side. His clients asked him to work on an alternative design with the same volume but without the courtyard, Find the side length of such a building if it is designed as a four-story square prism.
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 1141465: A certain triangle has a perimeter of 3061 mi. The shortest side measures 76 mi less than the middle side, and the longest side measures 371 mi more than the middle side. Find the lengths of the three sides.
The shortest side is
nothing mi long.
Click here to see answer by josgarithmetic(39617) |
Question 1141640: A circle with radius 16 cm is multiplied by 1/4 . Describe the effect on the circumference of the circle.
a. The circumference is multiplied by 1/8.
b. The circumference is multiplied by 1/2 .
c. The circumference is multiplied by 1/4.
d. The circumference remains constant.
Click here to see answer by Alan3354(69443) |
Question 1141695: The diagonals of rectangle ABCD intersect at the point (-4,2) in the standard (x,y) coordinate plane. Point D is at (-1,-1). Which of the following are the coordinates of point B?
The following diagram: https://i.imgur.com/sHXMBGp.png
Click here to see answer by greenestamps(13198) |
Question 1141794: Height is proportional to foot length. A person whose foot length is 10 inches is 67 inches tall. A human-like creature has a foot length of 24 inches. Use a proportion to find the height of the creature. How tall is the creature
Click here to see answer by ikleyn(52778) |
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