Pre-Calculus

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A boy is mowing a rectangular lawn 40 ft. and 30 ft. wide.
A boy is mowing a rectangular lawn 40 ft. long and 30 ft. wide. He has cut all of it except for a rectangle that is 20 ft. long and 15 ft. wide. What fractional part of the lawn remains uncut?… read more
Ashleigh T
Educator
Master's Degree
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A ​23-ft by 47​-ft rectangular swimming pool is surrounded
A ​23-ft by 47​-ft rectangular swimming pool is surrounded by a walkway of uniform width. If the total area of the walkway is 296 ft^2​, how wide is the​ walkway?… read more
MunishK
Assistant Professor
M. Sc Mathematica
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Exam figure A4 gives the dimensions for the front exterior
Exam figure A4 gives the dimensions for the front exterior steps of the house. Given that each step is 9” high and 12” wide, how many cubic feet of concrete are necessary for the steps?… read more
Ashleigh T
Educator
Master's Degree
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You've been contracted to install hardwood flooring on a
You've been contracted to install hardwood flooring on a basketball court. The court measures 125'x70'. How many square feet of flooring do you need to order for the job? Allow 20% for waste.… read more
Scott
Master's Degree
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DEB, CAN YOU ANSWER THIS USING THE SAME FILE EARLIER How
DEB, CAN YOU ANSWER THIS USING THE SAME FILE EARLIER How many roof panels are required? Hint: Divide the area of the roof by the area of a roof panel. If this number is ***** decimal, round up to the … read more
DebdattaBhattacharya
Doctoral Degree
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1. Which one of the following geometric forms is a curved surface? A.
1. Which one of the following geometric forms is a curved surface? A. Base of a prism B. Base of a cylinder C. Side of a pyramid D. Side of a cone 2. If the diagonal of a square is 12 centimeters, the… read more
SusanAthena
Research analyst, tutor
Master's Degree
3,810 satisfied customers
1.A container built in the shape of a cylinder has a circular
1.A container built in the shape of a cylinder has a circular base with a radius of 1.5 meters. The altitude of the container is 3.5 meters. How many cubic meters of fluid can this container hold? 2.W… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
1. A) Suppose you have 45 feet of fencing to enclose a
1. A) Suppose you have 45 feet of fencing to enclose a rectangular dog pen. Write a function to model the dog pen. Where w is the width of the pen. (we're learning about quadratic equations right now.… read more
Sandhya
Master's Degree
6,811 satisfied customers
The volume of a rectangular box of a given height is proportional
The volume of a rectangular box of a given height is proportional to its width and length. A box with a width of 2ft and length of 4ft has a volume of 12ft cubed. Find the volume of a box with the sam… read more
Hasan
Bachelor's Degree
1,919 satisfied customers
A dinosaur is tied to one corner of a 20 by 20 foot barn on
A dinosaur is tied to one corner of a 20 by 20 foot barn on a 50 foot leash. How much total area can the dinosaur hunt in? I need an explanation step by step. thanks.… read more
Mijcar
Consultant
Master's Degree
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A rectangular piece of cardboard is twice as long as it is
A rectangular piece of cardboard is twice as long as it is wide. A 4-cm square is cut out of each corner, and the sides are turned up to make a box with an open top. The volume of the box is 616 cm3. … read more
unvrs
Lecturer of Mathematics
Master's Degree
36 satisfied customers
Hi Ryan. I went home last night and went over the problem
Hi Ryan. I went home last night and went over the problem you helped me with yesterday. It was clear once I looked at it closely. I have two more that are giving me fits. I practice with the word prob… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
I also need help with the following. 14. The lowest temperatur
I also need help with the following. 14. The lowest temperatur ever recorded in a certain town was -27f. The highest temperature ever recorded there was 136F more than the lowest. What was the highest… read more
Sandhya
Master's Degree
6,811 satisfied customers
I need some help with some algebra problems. 14. The lowest
I need some help with some algebra problems. 14. The lowest temperature ever recorded in a certain town was -23F. The highest ever recorded was 136F more than the lowest. What was the highest temperat… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Math Essay: Show all work. A school designer wants to create
Math Essay: Show all work. A school designer wants to create a whiteboard with the optimal dimensions to enhance learning. It is determined that if one side of the whiteboard is x + 3y inches, the oth… read more
Sandhya
Master's Degree
6,811 satisfied customers
I need some help 18. Factor 72r^2-50 19. Factor v^4-100 20.
I need some help 18. Factor 72r^2-50 19. Factor v^4-100 20. Factor the special product 36w^2-60w+25= 21. Factor 25s^2+70sp+49p^2= 22. Factor the fllowing polynomial completely 64b^2-49d^2= 23. Factor … read more
Ryan
Bachelor's Degree
4,665 satisfied customers
I need some help with the following questions: 1. Find the
I need some help with the following questions: 1. Find the numerical value if x=2 and y=3. 4(x+9y) 4. Find the sum [-8+(-1)]+[5+(-3)]= 6. 3(x+4)=5(x-2)= 7. Solve for q. k = 4 pie q 8. 5x-9=11x+15= 9.T… read more
Hasan
Bachelor's Degree
1,919 satisfied customers
2. The length of a table is 4m greater than the width. The
2. The length of a table is 4m greater than the width. The area is 77 m^2. Find the dimensions of the table. 3.An aqurium holding African cichlids is 3 inches higher than it is wide. It length is 32 i… read more
Osbert12
Master's Degree
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