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April 16, 2014

Homework Help: Math: Geometry

Recent Homework Questions About Geometry

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Geometry
(5d + 5) - (d +1)
Wednesday, September 4, 2013 at 5:40pm

Geometry; Check answers?
slope AB=(2-4)/(1+4)=2/5 SLOPE cD= (-3+5)/(-3-2)=3/-5 NOT PARALLEL, NOT PERPENDICULAR CHECK MY CALCULATIONS
Wednesday, September 4, 2013 at 4:37pm

Geometry; Check answers?
Given the points A (1, 2), B (-4, 4), C (-3, -3) and D (2, -5), determine ifLINE:AB and LINE:CD are parallel, perpendicular or neither. A. parallel B. both perpendicular and parallel C. perpendicular D. neither MyANSWER: A
Wednesday, September 4, 2013 at 4:31pm

HELP! Geometry
by now you should have slopes down pat. given slope is -13/4 perp slope is negative reciprocal of that
Wednesday, September 4, 2013 at 4:21pm

HELP! Geometry
Determine the slope of a line perpendicular to the line shown. (3,5) and (7,-8) A. -4/13 B. 13/4 C. -13/4 D. 4/13
Wednesday, September 4, 2013 at 4:18pm

Geometry
4/2 = 2
Wednesday, September 4, 2013 at 4:05pm

Geometry
slopes AB: 3/2 CD: -2/3 so, perpendicular
Wednesday, September 4, 2013 at 4:04pm

Geometry
Given the points A (-3, -2), B (1, 4), C (3, -4) and D (0, -2), determine [line ab] if and [line cd] are parallel, perpendicular or neither. A. parallel B. perpendicular C. both parallel and perpendicular D. neither
Wednesday, September 4, 2013 at 3:52pm

Geometry
Find the slope of a line parallel to the line passing through points at (1, -2) and (3, 2). A. 1/2 B. undefined C. 0 D. 2
Wednesday, September 4, 2013 at 3:49pm

Geometry
Consider any two points that form a vertical line, e.g. (x, a) and (x, b) slope = (b-a)/(x-x) = (b-a)/0 , but division by zero is "undefined" Thus the slope of a vertical line is undefined. 2. Yes, given the slope m and the x-intercept we can find the equation of the...
Wednesday, September 4, 2013 at 12:27am

Geometry
1. Why do you think that the slope of a vertical line is called "undefined?" 2. Can you find the equation of a line if you are given the slope and the x-intercept? If so, explain how. If not, explain why you can't.
Tuesday, September 3, 2013 at 10:44pm

Geometry/algebra 1
Set the equation equal to 0: 2x^2 + 4x + 3x + 6 - 91 = 0 2x^2 + 7x - 85 = 0 Factor: (2x + 17) (x - 5) = 0 Set the factors equal to 0: 2x + 17 = 0; x = -17/2 x - 5 = 0; x = 5 You can't have a negative number for this problem, so use x = 5 for the value of x. I'll let ...
Tuesday, September 3, 2013 at 7:00pm

Geometry/algebra 1
Use the given area A of the rectangle to find the value of x. Then give the dimensions of the rectangle. A=91m^2 A=L•W L=(2x+3)m W=(x+2)m 91m^2=(2x+3)m•(x+2)m 91=(x+2)(2x+3) Now what?
Tuesday, September 3, 2013 at 6:25pm

College Geometry
In this assignment, you examine a process that links polygons and circles. You will reach some quantitative conclusions about their respective areas and the relationship between the two. As you know, a regular polygon has sides of equal length and angles that are the same. ...
Tuesday, September 3, 2013 at 3:37pm

GEOMETRY
Ray OC bisects <AOB, ray OD bisects <AOC, ray OE bisects <AOD, ray OF bisects <AOE and ray OG bisects <FOC ig <COG =35, then m<EOG = ?
Monday, September 2, 2013 at 10:02pm

Geometry
A grid shows the positions of a subway stop and your house. The subway stop is located at (7, -6) and your house is located at (-9, 5). What is the distance, to the nearest unit, between your house and the subway stop
Monday, September 2, 2013 at 11:22am

geometry
I recall my class in analytic geometry in high school. There was one guy named Andy who would read a comic or something during one of Mr. Jarmon's involved solutions. After two blackboards were filled with equations and things didn't come out right, Andy would look up ...
Monday, September 2, 2013 at 4:10am

geometry
You're welcome. :-)
Sunday, September 1, 2013 at 8:44pm

geometry
I was thinking of something along the same lines, but couldn't find a good way to put it in action. Thank you for sharing the bright idea.
Sunday, September 1, 2013 at 8:36pm

geometry
Although I was an English and social studies teacher, occasionally I taught a section of 7th grade math. When I discovered that I was only about 95% accurate when demonstrating on the board, I was embarrassed. I told the class that if they discovered I had made a stupid ...
Sunday, September 1, 2013 at 8:23pm

geometry - MS Sue is right
ouch! Go with Ms Sue! Always read problems carefully...
Sunday, September 1, 2013 at 8:10pm

geometry
A = pi * r^2 A = 3.14 * 14.95^2 =
Sunday, September 1, 2013 at 7:53pm

geometry
a = 3.14 * 29.9^2 = ...
Sunday, September 1, 2013 at 7:48pm

geometry
The face-off areas in ice hockey have a diameter of 29.9 feet. Find the area of a face-off circle. Use 3.1.4. for pi. Round to the nearest tenth if necessary.
Sunday, September 1, 2013 at 7:46pm

geometry
Use the Pythagorean Theorem. In this problem, the ladder is the hypotenuse. I'll be glad to check your answer.
Sunday, September 1, 2013 at 7:18pm

geometry
25^2 + h^2 = 27^2 now just solve for h
Sunday, September 1, 2013 at 7:17pm

geometry
a 27 feet tall ladder is placed so that it reaches 25 feet up on the wall of the house. How far is the base of the ladder from the wall of the house. Please help.
Sunday, September 1, 2013 at 7:14pm

geometry
This calls for the Pythagorean Theorem. a^2 + b^2 = c^2 80^2 + 98^2 = c^2 6,400 + 9,604 = c^2 16,004 = c^2 126.506 = 126.5 = c
Sunday, September 1, 2013 at 7:08pm

geometry
round to the nearest tenth. a rectangular plot of land is 80 meters wide and 98 meters long. Find the length of the diagonal and if necessary, round to the nearest tenth.
Sunday, September 1, 2013 at 6:56pm

Geometry
http://www.jiskha.com/display.cgi?id=127​8968105 http://www.jiskha.com/display.cgi?id=129​1846492 http://www.jiskha.com/display.cgi?id=131​3783041
Sunday, September 1, 2013 at 11:36am

Geometry
An antique dealer visited three shops. She spent $25 at the first shop. At the second shop, she spent half of her remaining money and had $60 left. How much money did the dealer have originally.
Sunday, September 1, 2013 at 11:32am

geometry
Yes. It is possible. Just cut off the wings will give three pieces. 5 ----< cut 123 ----< cut 4
Friday, August 30, 2013 at 11:24pm

geometry
Can you use two straight cuts to break the figure below into three pieces 5 squares numbered 12345 5 123 4
Friday, August 30, 2013 at 10:49pm

Geometry/Algebra 1/12th grade
I think the m means meters, as in unit of length: 6m 108 = 1/2 (x+6)(x) x^2+6x-216 = 0 (x-18)(x+12) = 0 since we want a positive side, x=18m If you really want to carry the m's along, just do so: 108m^2 = 1/2 (x+6)m*xm = 1/2 x(x+6)m^2 Now the m^2's cancel out, and we ...
Friday, August 30, 2013 at 3:13pm

Geometry/Algebra 1/12th grade
Find the value of x. Round u'r answer to the nearest hundredth, if necessary. Area of triangle=108m^2 A=1/2 bh b=(x+6)m h=xm So, 108m^2=1/2 ((x+6)m)(xm) 108m^2=1/2 m^2+x^2+6???? If so then what? Sub m^2 from the left side?? Then what? :/
Friday, August 30, 2013 at 2:19pm

geometry
If r1r2 means r1•r2, then that's just -2 If you mean r1×r2, that would be -66i-34j+32k Again, the alleged choices don't mean much to me.
Friday, August 30, 2013 at 4:53am

geometry
not sure what the alleged answers are supposed to mean, but 3U+V = 3+4,9-2,-6-4 = 7i+7j-10k work the other linear combinations the same way, and for the dot product multiply pairs and add. What results do you get?
Friday, August 30, 2013 at 4:50am

geometry
Given that r1=6i-8j+2k,r2=4i+5j+7k,r3=-2i+j+6k is a vector. Find r1r2,r2r3,r3r1(a)30,21,-8(b)26,23,8(c)24​,19,-7(d)19,27,7
Friday, August 30, 2013 at 3:40am

geometry
if U=i+3j-2k and V=4i-2j-4k are vectors find U.V, 3U+V& (2U+V).(U-2V) (a)6,10,4(b)4143(c)11,4,5(d)5,11,6
Friday, August 30, 2013 at 3:31am

geometry
and the question is...
Thursday, August 29, 2013 at 4:53pm

geometry
Rhombus RHOM with acute angle H
Thursday, August 29, 2013 at 4:50pm

Geometry
Thank you so much
Thursday, August 29, 2013 at 2:04pm

Geometry
if you're trying to find the value of k which satisfies the equation, just unwind the expressions. remove parentheses: 4k+7(-4-2k)=-2(k-2) 4k - 28 - 14k = -2k + 4 Now combine terms: -10k - 28 = -2k + 4 Now move all the "k" stuff to one side and the numbers to the...
Thursday, August 29, 2013 at 1:33pm

Geometry
How do you do the problem 4k+7(-4-2k)=-2(k-2) Please help me I keep trying and can't get the right answer thanks-steph
Thursday, August 29, 2013 at 1:03pm

Geometry
180-16x
Thursday, August 29, 2013 at 12:22am

Geometry
Two angles are supplementary if the sum of their measures is 180∘. If the measure of one angle is 16x degrees, represent the measure of its supplement as an expression of x.
Thursday, August 29, 2013 at 12:15am

Reading
I would love to help, but that doesn't quite make sense. You are combining English and Geometry, Are you sure that's the correct question?
Wednesday, August 28, 2013 at 5:16pm

geometry:linear measure and precision
how do i find the precision of 80in. and how do i explain the meaning?
Wednesday, August 28, 2013 at 4:39pm

Geometry
Evidently, ABC+DBC = ABD So, 5x+4 + 8x-3 = 79 x=6 so plug in that to the expressions given.
Wednesday, August 28, 2013 at 3:41pm

geometry
no, 56. Each side has 14 posts; the next 15th post is the corner of the next side. Draw a figure using a smaller number to check it out. what's 14*14? Times 9?
Wednesday, August 28, 2013 at 3:34pm

geometry
postulates are assumed to be true and we need not prove them. They provide the starting point for the proof of a theorem. A theorem is a proposition that can be deduced from postulates. We make a series of logical arguments using these postulates to prove a theorem.
Wednesday, August 28, 2013 at 3:10pm

Geometry
If angle ABD is 79 what is angle ABC and DBC DBC (5x+4) ABC (8x-3)?
Wednesday, August 28, 2013 at 1:19pm

geometry
Bill plans to put a fence around a square plot of ground for a garden. a. if he wants to put 15 post on each side of the square, how many post will he need for his fence? 58 is this correct b. If he plans to space the posts evenly one yard apart on each side, how many square ...
Wednesday, August 28, 2013 at 11:49am

geometry - incomplete
Depends on where G,H,I,J,K are. triangle? pentagon? in a line?
Wednesday, August 28, 2013 at 4:44am

geometry
I'm confused ? So if GK=24 , HJ=10 , and GH=HI=IJ what's the length for HI help me ?
Wednesday, August 28, 2013 at 1:42am

geometry
what is the diffwereence between a postulate and theorom
Tuesday, August 27, 2013 at 10:42pm

Geometry Honors
two of the points lie on the line where two planes intersect. In fact, any number of planes can intersect along a single line, which may contain two or all three of the points.
Tuesday, August 27, 2013 at 8:32pm

Geometry Honors
You and your friend each draw 3 points. Your points lie in only 1 plane, but your friend's 3 points lie in more than one plane. Explain how this is possible.
Tuesday, August 27, 2013 at 5:39pm

Geometry / Proofs
Given: Triangle ABC with AD bisecting angle BAC, and AE is congruent to ED (both line segments). Prove: AE/AC = BD/BC. Statements Reasons
Tuesday, August 27, 2013 at 3:24pm

geometry
bc (or cb) is the common side
Tuesday, August 27, 2013 at 4:19am

geometry
My guess is that T id a point between S and U. So, ST+TU=SU 5x+1 + 4x-1 = 54 That's not there, so try ST = SU - TU 5x+1 = 54-(4x-1) 5x+1 = 55-4x (C)
Tuesday, August 27, 2013 at 4:13am

geometry
abc and cbd are adjacent angles which side do the angles have in common
Tuesday, August 27, 2013 at 1:39am

geometry
We can't answer the question unless we know the position of S, T, and U relative to each other. e.g. are S and U the endpoints with T between them ?
Monday, August 26, 2013 at 8:49pm

geometry
Which equation is the correct equation to solve for x? Given ST = 5x + 1 , TU = 4x -1, and SU = 54 Its multiple choice and the answers given are- A)(5x + 1) + 54 = 4x - 1 B)(4x - 1) + 54 = 5x + 1 C) 5x + 1 = 55 - 4x D) 5x + 1 = 27
Monday, August 26, 2013 at 8:37pm

math/Geometry
what is the proprty of 0 pluse 90 equls 90
Sunday, August 25, 2013 at 7:55pm

geometry
May not exist. Need more info about a,b,c
Sunday, August 25, 2013 at 5:52am

geometry
a line that contains ab and cb
Sunday, August 25, 2013 at 12:39am

geometry
draw u parallel lines and then a perpendicular one that goes through both
Saturday, August 24, 2013 at 1:25pm

GEOMETRY (Angles) PLEASE
You'd have to set up equations. First, let a=angle A, b=angle B and c=angle C, all in degrees. (Note: in solving math problems, it is important to define all symbols/variables used, including the units). We are given: "angle b is 5 more than twice angle A" which ...
Saturday, August 24, 2013 at 6:57am

GEOMETRY (Angles) PLEASE
in triangle ABC, angle b is 5 more than twice angle A and angle C iss 35 less than three times angle A. Find the angles of triangle ABC
Saturday, August 24, 2013 at 2:09am

Geometry
Are we worried whether we use compass headings where North = 0 degrees, rather than East, and angles are measured clockwise?
Friday, August 23, 2013 at 12:43pm

Geometry
THANK YOU
Friday, August 23, 2013 at 9:02am

Geometry
calculate the horizontal and vertical replacements of each trip first trip: x/5 = cos85 , x = 5cos85 y/5 = sin85 , y = 5sin85 2nd trip: x/6 = cos50 , x = 6cos50 y/6 = sin50 , y = 6sin50 total horizontal displacement = 5cos85 + 6cos50 = appr 4.2925 total vertical displacement...
Friday, August 23, 2013 at 8:53am

Geometry
A ship sails 5 km from a port A on a bearing of 85 degrees and then 6 km on a bearing of 50 degrees. Calculate the distance and bearing from A.
Friday, August 23, 2013 at 8:19am

geometry
Where is the road sign? What does Roseville have to d o with it?
Friday, August 23, 2013 at 1:54am

geometry
if a picnic area is located at the midpoint between sacramento and oakland fidn the distance to the picnic area from the road sign roseville 5 sac 23 oakland 110
Friday, August 23, 2013 at 12:56am

geometry
a line that intersectgs two nonintersecting planes
Friday, August 23, 2013 at 12:06am

Geometry; Check answers?
copy triangle CAN shown at the right. use your procrator to find the angle bisector <A. Label the point where it crosses CN point Y. use your ruler to find the midpoint of CN and label it D. are D and Y the same point?
Thursday, August 22, 2013 at 5:55pm

Geometry
i need help please!
Thursday, August 22, 2013 at 11:15am

geometry
2 1/3
Thursday, August 22, 2013 at 1:02am

Geometry
453
Wednesday, August 21, 2013 at 5:57pm

Geometry
453
Wednesday, August 21, 2013 at 5:57pm

Geometry
inches of cylindrical
Wednesday, August 21, 2013 at 5:03pm

AoPS
Are you by any chance enrolled (or were enrolled) in AoPS Intro to Geometry course? Because I recognize all of the problems you post...
Tuesday, August 20, 2013 at 10:01pm

Geometry
poop
Tuesday, August 20, 2013 at 9:48pm

Geometry; Check answers?
I did correct #1. It's (-1.5,0) but, I still don't know the length. Can you help? #2. How do I put it in correct form?
Tuesday, August 20, 2013 at 2:44pm

Geometry
parallel planes
Tuesday, August 20, 2013 at 2:37pm

Geometry, Help
No, it's (-1.5,0) !!
Tuesday, August 20, 2013 at 2:36pm

Geometry; Check answers?
Wait. How do I correct 1 and 2?
Tuesday, August 20, 2013 at 2:28pm

Geometry; ck answers?
a. Midpoint has to be in negative x retio, and y has to be zero. length to nearest tenth is not 19. b. good midpoint, but length is is the sqrt(164) check that. notice you did NOT put the length to nearest tenth, (and it is wrong anyway) c. Midpoint ok, length correct.
Tuesday, August 20, 2013 at 2:23pm

Geometry; Check answers?
For each graph, find (a)AB to the nearest tenth and (b)the coordinates of the midpoint of AB. 1. Coordinates are A(-9, -6) B(6,6) D=19.2 Midpoint=(1.5,-6) 2.A(-2,-2) B(8,-6) D=10.77 midpoint= (3,-4) 3. A(0,3) B(-2,-2) D=5.4 Midpoint= (-1,0.5)
Tuesday, August 20, 2013 at 2:12pm

Geometry
following???
Tuesday, August 20, 2013 at 1:34pm

Geometry
Which of the following best describes the front and back cover of a textbook when closed?
Tuesday, August 20, 2013 at 1:25pm

Geometry, Help
is one's midpoint answer (-1.5,-6)?
Tuesday, August 20, 2013 at 1:20pm

Geometry, Help
SORRY! I was squaring it. Thanks for your help.
Tuesday, August 20, 2013 at 12:55pm

Geometry, Help
I got 369 and divided by 2. How's you get that answer?
Tuesday, August 20, 2013 at 12:52pm

Geometry, Help
for #2 the midpoint is (3,-4) That is the average of the endpoints
Tuesday, August 20, 2013 at 12:47pm

Geometry, Help
#1 is √(225+144) = √369 = 19.2
Tuesday, August 20, 2013 at 12:46pm

Geometry, Help
Is #1 184.2?
Tuesday, August 20, 2013 at 12:42pm

Geometry, Help
would you divide 2 by 29?
Tuesday, August 20, 2013 at 12:38pm

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