Questions on Geometry: Geometric formulas answered by real tutors!

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 Geometric and Other Formulas Answers archive In Depth

 Question 751577: 2. Compare and contrast Euclidean geometry and spherical geometry. Be sure to include these points: a) The role of the Parallel Postulate in spherical geometry b) How triangles different in spherical geometry as opposed to Euclidean geometry c) Geodesics d) Applications of spherical geometry Answer: (4 points) 3. Use your knowledge of computer logic to answer these questions: a) 1001 base 2 = ______ base 10 b) 1101 base 2 = _____ base 10 Answer: Click here to see answer by josgarithmetic(1540)

 Question 751116: Find the coordinates for the midpoint of the segment with endpoints given. (5, 6) and (8, 2) Click here to see answer by timvanswearingen(106)

 Question 751114: Find the coordinates for the midpoint of the segment with endpoints given. (5, 6) and (8, 2) Click here to see answer by josmiceli(9697)

 Question 751058: P varies jointly as m and u, and varies inversely as q. Given that p=4, m=3 and u=2 when q=1. Find the value of p when m=6, u=4 and q=8/5 Click here to see answer by Cromlix(353)

 Question 749171: What is the width of a rectangular prism if the height is 5 ft and if the volume is 900 cubic feet and if the length is 9 ft? Click here to see answer by Cromlix(353)

 Question 744691: if 45 degrees has a ratio of 1:1, what is the ratio for 17.5 degrees? Click here to see answer by Alan3354(30993)

 Question 740122: A concrete truck arrives at a job site holding 9.5 cubic yards of concrete. If the concrete surface constructed is 24 feet wide and 2 inches tall, how long will the concrete surface be if constructed from the total amount of concrete on the truck? Click here to see answer by ankor@dixie-net.com(15661)

 Question 739552: How do i know how to graph this equation: f(x)= { 2x-1 -2 3-x 1 Click here to see answer by KMST(1874)

 Question 736073: A cubic tank is used to determine the volume of certain objects. The tank has a height of 68.74 cm. The water level of the tank rises 3.74 cm when a particular object is immersed completely. If the same object is immersed completely in a cylindrical tank, the water level of that tank rises by 4.95 cm. Determine the radius of the cylindrical tank in centimetres. Click here to see answer by ankor@dixie-net.com(15661)

 Question 734865: http://www.regentsprep.org/Regents/math/geometry/GL3/WorksheetCompoundLocus.pdf Can someone help me solve the first problem? It involves construction and locus and i do not understand it. It would be great if someone can help explain it to me. Thanks for any help. Click here to see answer by rothauserc(210)

 Question 734422: What happens to the area of a circle if you double the radius? What happens if you double the diameter? What happens if you triple the radius? Click here to see answer by lynnlo(4164)

 Question 732125: Help??? Please What is the distance between the points (3, 8) and (−9, −8)? I did -9-3& -8-8 and I got 6 for the 1st one than i square it and i got -36 than for the 2nd one I got 0 and i add -36+0=-36 but i did not understand the rest . What is the distance between the points (7, –6) and (–5, 3)? What is the distance between the points (–4, –5) and (5, –1)? Click here to see answer by jim_thompson5910(28598)

 Question 729284: A trapezoid (aproximation below) 5 sqrt3 --------------- \---------------\12 \120--------30\ the top and bottom lines are parallel. one base equal 5* sqrt3 one side equals 12. Two bottom angles are 120 and 30 respectively. Can you help me find the area? Click here to see answer by lynnlo(4164)

 Question 729557: how do you determine the length and width when you are given the difference of two similar objects Click here to see answer by lynnlo(4164)

 Question 1962: a pizza is cut into 8 equal slices.if the radius of the pie is 12 inches,what is the area of 2 of the slices Click here to see answer by wfalbino(2)

 Question 726655: You have a 77 test average in Math. Your mom wants the average up to an 80. You've taken 3 tests and you only have one test left. What do you need to get on that last test to raise your average to an 80? Click here to see answer by checkley79(3050)

 Question 723618: what formula do i use to find the slope of two diagonals in a quadrilateral? Click here to see answer by solver91311(16897)

 Question 723308: what is the geometric mean of 2a and 4a Click here to see answer by MathLover1(6638)

 Question 718817: What is y called in the expression 2y-5 Click here to see answer by josmiceli(9697)

 Question 717212: Volume, in cubic cm., of three cubes with sides 8 cm, 10 cm, and 12 cm. Click here to see answer by Alan3354(30993)
 Question 717212: Volume, in cubic cm., of three cubes with sides 8 cm, 10 cm, and 12 cm. Click here to see answer by MathLover1(6638)

 Question 716288: Hi. I need assistance with this geometry problem, preferably within a few hours (which is when I should be able to clearly explain how to solve this problem to my professor) and I will provide an excellent review. Thank you very much! A tin can with a circular base has a volume of 27*pi*cm^3 and the surface area of the vertical (curved) side is 18*pi*cm^2. What are the dimensions of the can? Radius = ______cm Height = ______cm Click here to see answer by josgarithmetic(1540)

 Question 715787: Hi. I'm back again for help with geometry. I do not know any formulas to solve problems such as this. I need help with this problem, including the formula on how to solve this problem. Thanks in advance. A tin can has a circular base and a volume of 80\pi cm^3. Express the diameter of the base of the can in terms of the height of the can. Use h for the height of the can. Diameter = Click here to see answer by Alan3354(30993)

 Question 690275: Y varies INVERSELY as x. If y = -30 when x = 4, find x when y = -40. A. 8 B. 30 C. 3 Click here to see answer by aliafzal14(11)

 Question 712322: hello there i came across this problem in which i coudnt understand how it got to the answer half circle inner radius is 6 ft the width of outer radius is 2ft find the approximate area the answer provided was 43.96 sq ft- im assuming the formula used was area of a circle= (pi)r^2 then divide by 2 pls help thanks Click here to see answer by KMST(1874)

 Question 711660: which of equation is perpendicular to the mid point of the line segment that contains the points (-4,4) and (2,-2)? Click here to see answer by lynnlo(4164)

 Question 709477: $11.00 x 40 + 16.50 x 10 = Click here to see answer by checkley79(3050)  Question 709445: What is a better buy? A square pizza measuring 8 inches that costs$10 or a round pizza with a 9-inch diameter that also costs \$10? Click here to see answer by aaronwiz(69)

 Question 708885: Find the slope of the line containing points (-6, 4) and (3, 2). Click here to see answer by Gogonati(809)
 Question 708885: Find the slope of the line containing points (-6, 4) and (3, 2). Click here to see answer by solver91311(16897)

 Question 707204: Omg i need help ASAP ok so this is the question: in the game of corntoss players throw cornfilled bags at a hole in a wooden platform.if a bag that hits the platform can hit any location with an equallikelihood find the probability that a tossed bag lands in the hole The picture is like the diameter of the whole is 6 the width of the table is 2 and the length is 4 Click here to see answer by jim_thompson5910(28598)

 Question 706089: Hi. My name is Allen and I can't figure out this problem. I solved for the hypotenuse but I don't know what to do after ...or if I was even supposed to find the hypotenuse. Please show me how to solve this problem. Thank you! Two cars leave the origin; one goes north at 65 mph and the other goes south at 60 mph. After how many hours will they be 200 miles apart? __________ hours Click here to see answer by josgarithmetic(1540)

 Question 704683: is the lines through points P(4,-7)and Q(3,-4) parallel to the line through points R(-5,3) And S(-2,2)? Click here to see answer by mananth(12270)

 Question 703615: The volume of a rectangular solid is 810 meter cube. Find its dimensions if they are in the ratio 2:3:5. Click here to see answer by lwsshak3(6522)

 Question 703167: Im trying to help my son out and i have no clue how to do these problems. Please help!! HJ = x and IK = 2x - 7 And HJ = 3x +5 and IK= 5x-9 Click here to see answer by KMST(1874)

 Question 703171: I'm trying to help my son, but clueless how to do these. Any help would be appreciated HJ=3x+7 and IK=6x-11 And HJ=19+2x and IK=3x+22 Click here to see answer by josgarithmetic(1540)
 Question 703171: I'm trying to help my son, but clueless how to do these. Any help would be appreciated HJ=3x+7 and IK=6x-11 And HJ=19+2x and IK=3x+22 Click here to see answer by MathGeek87(9)

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