Questions on Geometry: Points, lines, angles, perimeter answered by real tutors!

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Geometry: Points, lines, angles, perimeter

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Question 133161This question is from textbook Elementary Geometry
: This is my first time taking geometry and I'm taking it online. I am very confused by this question. I'm not sure what it's asking.
1. Explain the difference, if any, between:
a) <-CD-> and <-DC->
b) -CD- and -DC-
c) CD and DC
d) CD-> and DC->
I just don't understand the question. Please helpThis question is from textbook Elementary Geometry

Click here to see answer by nycsharkman(136)

Question 133221: Write the equation of the line perpendicular to y=2x-8 that passes through the point (4,0).
Click here to see answer by jim_thompson5910(13794)

Question 133222: Mr. Boone is a contractor who is building a house diagonally on a corner lot. To see if the house will fit where he wants it, he has drawn a blue print. The exterior walls of the house are perpendicular. He wants to know if he drew it correctly. Would the walls be perpendicular if the corners of the walls were at the coordinates (2,2), (4,3), (5,1), and (3,0)? Why?
Click here to see answer by vleith(1977)

Question 133952:
what is the equation of the line that contains the points with(x,y)coordinates(-3,7)and(5,-1)
Click here to see answer by checkley71(8405)

Question 134483: 3xsquared-11x=4
Click here to see answer by scott8148(3385)

Question 135820: Is there an easy way to find the slope of a line whose function is stated as an inequality of y=m+b? For example: 5(x+y)=20+3x How would this be put into y=mx+b form?
Click here to see answer by scott8148(3385)

Question 136247This question is from textbook geometry
: I am stuck with this particular question. What I got stuck in was the middle of solving it I had got x=18, but it just doesn't add up. So the question is:
The measures of the angles of a triangle are in the ratio 3:3:4. Find the measure of each angle.
Please help me, Thank You=)This question is from textbook geometry

Click here to see answer by solver91311(5072)

Question 136399: Find the missing length of the right triangle.
20
48
A) 52 B) 54 C) 53 D) 51
Click here to see answer by checkley77(7072)

Question 136539This question is from textbook algebra
: One of the major problems I am having with algebra, Geometry,ect. Is that I am having difficulty understanding how to graph. The problem I am having trouble with is:
Graph the line x+y=5, it also says something about filling in the input/output table. Though I am having more difficulty about graphing the equation. Please help me. Thank You=)This question is from textbook algebra

Click here to see answer by vleith(1977)

Question 138482: The perimeter of a rectangle is 208 inches. The length exceeds the width by 32 inches. Find the length and the width.
The length is ?
(Type an integer or a decimal)
The width is ?
(Type an integer or a decimal)
Help me please..Thank you so much in advance.

Click here to see answer by stanbon(26297)

Question 142181: if LP is 10 cm, LN is 14 cm, and Pn is 12, what is the perimeter of triangle LNP?

Click here to see answer by checkley77(7072)

Question 142900: Find the misssing side length of each right triangle. Round to the nearest tenth and do ALL!!!

A.) A=12,B=9,C=?
B.) A=14,B=?,C=35
C.) A=?,B=4,C=41

Thanks so much
Click here to see answer by MathLover1(1183)

Question 143644: What is the equation of the line with slope 2/3 and passes through the midpoint of the segment joining points (-1, 6) and (-7, -4)?
Click here to see answer by jim_thompson5910(13794)

Question 143647: 10: Points (?, 3) and (-2, -5) lie on a line with slope 4. What is the missing coordinate?
Click here to see answer by josmiceli(3013)

Question 143646: 16: What is the equation of the line through point (3, 2) and parallel to a line with slope 2?
Click here to see answer by zephyr(9)

Question 143645: What is the equation of the line parallel to the line with equation y = 3/5x – 1 and passing through the origin?
Click here to see answer by solver91311(5072)

Question 144273This question is from textbook Survey of Math w/ Apllications
: Please can you help me?
Thank you!
1. (4 pts) ÐDEF and ÐGHI are complementary angles and ÐGHI is eight times as large as ÐDEF. Determine the measure of each angle. This question is from textbook Survey of Math w/ Apllications

Click here to see answer by solver91311(5072)

Question 144870This question is from textbook survey of math w/applications
: I am not that strong in this field. Can you look over this stuff AND get me the answers when it is done so I know where i may have goofed up?
14. (2 pts) How many different ways are there for an admissions officer to select a group of 7 college can-didates from a group of 19 applicants for an interview? 19 * 7 at a time = 19*18*17*16*15*14*13This question is from textbook survey of math w/applications

Click here to see answer by Alan3354(6097)

Question 144869This question is from textbook
: Could I get help with this pz.thx
experiments and probabilities
2. Explain what outcomes of an experiment are. What does it mean to have equally likely outcomes? Provide ex-amples to illustrateThis question is from textbook

Click here to see answer by solver91311(5072)

Question 145351: Points X,Y and Z are collinear, with point X between points Y and Z. If XY =14.8 and YZ= 18.2, find XZ????
Click here to see answer by ankor@dixie-net.com(6693)

Question 147269: Given that (-1,4) is the reflected image of (5,2), find an equation for the line of reflection.
When I solved this problem, I know I didn't do it right because my line was the perpendicular bisector of those two points. (if they made a segment).
Click here to see answer by Nate(3495)

Question 148388: what is the equation for the circumscribed circle whose triangle verticies are A = (-5,12), B = (5, -12), and C = (5,12)?
thanks
Click here to see answer by scott8148(3385)

Question 148521: i need to find x and y in problem involving a triangle,x=50 and y=20 all they give me is a 30 degree angle and then 5y and 2x please help!
Click here to see answer by stanbon(26297)

Question 150781: What is the slope of a line that is perpendicular to the line that passes through the points (4,7) and (9,3)?
A. -4/5 B. -5/4 C. 4/5 D. 5/4
Click here to see answer by Fombitz(2113)

Question 150830: the perimeter of a rectangle is 66m if the width were double and the length were increased by 22m, the perimeter would be 136 what is the length and width of the rectangle
Click here to see answer by mangopeeler07(450)

Question 150896: what is the Y intercept of the line that passes through the points (0,4) and (5,-6)
Click here to see answer by jim_thompson5910(13794)

Question 150897: what is the equation of a line with a slope of -2/3 and y- intercept of 17
Click here to see answer by jim_thompson5910(13794)

Question 150897: what is the equation of a line with a slope of -2/3 and y- intercept of 17
Click here to see answer by stanbon(26297)

Question 150953: what is the slope of a line that passes through the points (1,6) and (3,-2)
Click here to see answer by jim_thompson5910(13794)

Question 150952: What is the equation of the line that passes through the points (0,3) and (5,0)
Click here to see answer by jim_thompson5910(13794)

Question 150951: what is the slop of a line perpendicular to the line 12x-4y=7
Click here to see answer by jim_thompson5910(13794)

Question 151128: find the value of the variable and ST if S is between R and T.
RS=7a,ST=12a,RS=28
28=7a; a= 4;
ST= 12a; ST= 12*4= 48
Click here to see answer by vamsijuly13(1)

Question 151129: Find the value of the variable and ST if S is between R and T.
RS=7a,ST=12a,RS=28
Click here to see answer by orca(409)

Question 152351: What is the equation of a horizontal line that passes through the point at (-2,-3)
Click here to see answer by orca(409)

Question 153973: If D is the midpoint of line AC and C is the midpoint of line AB, and AD is 3 cm., what is the length of AB?
Click here to see answer by Edwin McCravy(2922)

Question 154602: If AB = 16, BC = 8, and AC = 24, which point is between the other two?
there's no picture just the question. thanks
Click here to see answer by oscargut(682)

Question 154592: A pole-vaulter uses a 15- foot-long pole. She grips the pole so that the segment below her left hand is twice the length of the segment above her left hand. Her right hand grips the pole 1.5 feet above her left hand. How far up the pole is her right hand?
Click here to see answer by scott8148(3385)

Question 154590: H is between I and J. H is the midpoint of line IJ, and IH = 0.75. Find HJ.
Click here to see answer by edjones(3298)

Question 154588: H is between I and J.
HI= 3.9 and HJ= 6.2. Find IJ.
Click here to see answer by edjones(3298)

Question 154589: H is between I and J.
JI= 25 and IH= 13. Find HJ.
Click here to see answer by orca(409)

Question 154637: I know the perimeter is the measure around something but how do you find the perimeter of ABC if A= (2,6), B= (5,10) and C= (0,13)??? Help!!!
Click here to see answer by stanbon(26297)

Question 154729: H is between I and J. H is the midpoint of line IJ, and IJ = 9.4. Find IH.
Click here to see answer by jojo14344(1483)

Question 154836: I have a problem dealing with finding the distance of 3 coordinate points. Here it goes: Find the perimeter of ABC if A= (2,6), B= (5,10) and C= (0,13)? I know the distance from AB is 5 (using the distance formula) and the distance from BC is sqrt. 34. Do I need to also find the distance from AC which is sqrt of 53. How do you add all those together. I'm stuck????
Click here to see answer by Earlsdon(4900)

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