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

Tutors Answer Your Questions about Points-lines-and-rays (FREE)

Question 64215: IF A PIECE OF REAL ESTATE PURCHASED FOR $75,000 IN 1998 APPRECIATES AT THE RATE OF 6% PER YEAR, THEN ITS VALUE t YEARS AFTER THE PURCHASE WILL BE f(t)=75,000(1.06^t). ACCORDING TO THIS MODEL, BY HOW MUCH WILL THE VALUE OF THIS PIECE OF PROPERTY INCREASE BETWEEN THE YEARS 2005 AND 2008?
Click here to see answer by stanbon(75887)

Question 64823: FOR THE FUNCTION DEFINED BY f(x)=5x-4,FIND A FORMULA FOR f^-1(x).
Click here to see answer by navytutor(7)

Question 64974: FIND THE MIDPOINT OF THE LINE SEGMENT FROM A(-2,9) TO B(4,5).
Click here to see answer by tutorcecilia(2152)

Question 64973: DETERMINE THE POINT A(x,y) SO THAT THE POINTS A(x,y),B(O,3),C(1,0),D(7,2) WILL BE THE VERTICES OF A PARALLELOGRAM.
Click here to see answer by cristiana(10)

Question 64971: THE AMOUNT A IN AN ACCOUNT AFTER t YEARS FROM AN INITIAL PRINCILE P INVESTED AT AN ANNUAL RATE r COMPOUNDED CONTINUOUSLY IS GIVEN BY A=Pe^rt WHERE r IS EXPRESSED AS A DECIMAL. HOW MANY YEARS WILL IT TAKE AN INITIAL INVESTMENT OF $1,000 TO GROW TO $1,700 AT THE RATE OF 4.42% COMPOUNDED CONTINUOUSLY?
Click here to see answer by funmath(2933)

Question 65275: find the equation of the line that passes through the intersection of the given pair of lines and satisfies the other given condition. graph.
3x+4y-2=0, 3x-4y+1=0; the intercepts are equal
Click here to see answer by Edwin McCravy(20054)

Question 63804: SOLVE THE EQUATION ln(x + 5) - ln(3)=ln(x-3).
Click here to see answer by venugopalramana(3286)

Question 66465: Write the quadratic equation with a lead coefficient of 1 whose roots are -1/2 and 2/3.
Click here to see answer by stanbon(75887)

Question 66464: Use the point-slope form to find a general form of the equation of the line whose slope is -1/3 and that passes through (2,3).
Click here to see answer by stanbon(75887)

Question 66739: Show that the quadrilateral with vertices A(-3,5), B(-1,0), C(11,12), and D(1,9) is a trapezoid.
Click here to see answer by venugopalramana(3286)

Question 66781: Point P is on the perpindicular bisector of line AB
Which of the following statements is true?
1. AP = BP
2. AP = 1/2 AB
A) Neither 1 or 2 B) 1 only C) 2 only D)Both 1 and 2
Click here to see answer by stanbon(75887)

Question 67834: Need help! Studying for my final exam and unable to comprehend the following from quiz given.
1. Give the center of the circle with equation x2+2x+y2-10y+22=0.
2. Find an equation for the line with slope 1/2 and y-intercept 3.
3. Find the slope of the line through the points A(-1, 6) and B(5, 2).
4. Find an equation for the line with y-intercept 3that is perpendicular to the line y=2/3 x-4.
5. If f(x)=x2+5, find f(a+h)-f(a).
Please respond ASAP...Thank You, John
Click here to see answer by venugopalramana(3286)

Question 67835: 1. From a square piece of cardboard with wisth x inches, a square of width x-3 inches is removed from the center. Write the area of the remaining piece as a function of x.
2. If P(4, -5) is a point on the graph of the function y=f(x), find the corresponding point on the graph of y=2f(x-6).
3. Explain how the graph of y-5=(x-3)2 power can be obtained from the graph of y=x2.
4. Determine the vertex of y=x2-8x+22.
5. Find the maximum value of y=-x2 + 6x.
6. Given f(x)=5x+7 and g(x)=x2+7, find (g o f)(x).
Click here to see answer by stanbon(75887)

Question 67838: Determine the point A9x, y) so that the points A(x,y), B(0,3), C(1,0), D(7,2) will be the vertices of a parallelogram.
Find the point on the positive y-axis that is a distance 5 from the point P(3,4).
Find the x-intercept and y-intercept of the equation 5x-3y=30.
Give the equation for the circle with center C(3,-2) and radius 4.
Find an equation for the line with slope 1/2 and y-intercept 3.
Find an equation for the line with y-intercept 3 that is perpendicular to the line y=2/3x -4.
Studying for final exam and need feedback on these questions from quiz's.
Thanks...
Click here to see answer by stanbon(75887)

Question 69326: How many lines can contain any two points P and Q and why?
Click here to see answer by checkley75(3666)

Question 69581: What is the perimeter of a rectangle that has an area of 400 square meters and a width of 16 meters?
It is 82 cm or in or whatever
Click here to see answer by smartiex99(1)

Question 69935: Please help to decide whether the following statement is true or false and why?
Three noncollinear points determine two lines.
Click here to see answer by jim_thompson5910(35256)

Question 70066: Hello,
I need help finding the perimeter of a square with a side of 13in.
THANK YOU!!
Click here to see answer by nitannax(1)

Question 70065: Hello,
Please help me with this: 4/31=5/x
Thank you
Click here to see answer by jim_thompson5910(35256)

Question 70064: Hello,
Please help me with this: 4/31=5/x
Thank you
Click here to see answer by stanbon(75887)

Question 70533: Find the distance between the pair of points. Give an exact answer, and, where appropriate, an approximation to two decimal places.
(-4,-3) and (2,-6)
Click here to see answer by stanbon(75887)

Question 70825: The graph of the line y = -6 is parallel to which axis in the coordinate plane. Expalin why?
Click here to see answer by stanbon(75887)

Question 70857: Suppose you have 100 feet of fencing that you want to use to enclose the greatest possible rectangular area of your backyard. First, draw three rectangles of different dimensions that each has a perimeter of 100 feet. Calculate the area of each of the three rectangles. After studying your three rectangles, decide what would be the greatest possible area that has a perimeter of 100 feet?
Click here to see answer by checkley75(3666)

Question 71934: Hello,
I need help finding the sin, cos, and tan of an angle of 53 degrees.

Thank you
Click here to see answer by stanbon(75887)

Question 73465: Find the equation of the line satisfying the given conditions : parallel to the x-axis and passes through the point (-5,-3).
Click here to see answer by stanbon(75887)

Question 73464: Find the equation of the line satisfying the given conditions : Perpendicular to the graph of y + 6 = -1/3x and passes through the point at (-4,-5)
Click here to see answer by checkley75(3666)

Question 75350: Question: Karen found the length of a rectangle is just 1ft greater that the width. The perimeter of the rectangle is 138ft. What are the length and width?

Click here to see answer by GSocHA(1)

Question 75307: If points A, B, and C lie on a coordinate line and points A and B have coordinates 15 and 17 respectively, then which of the possible coordinates for point C satisfy(ies)d(A,C)< d(B,C)?

Click here to see answer by scott8148(6628)

Question 76782: Can someone please help me with this question?
The length of a rectangle is 6 inches less than twice the width. The perimeter is 42 inches. Find the length and width.
The length is inches;
The width is inches.
Thank You,
Sabrina
Click here to see answer by Nate(3500)

Question 77552: Give the standard form of the equation of the line that is perpendicular to
y=6/5x+4 and contains (-8,4).
Click here to see answer by stanbon(75887)

Question 77723: Find the length of JK when J is (-5, 4) and K is (3, 2).
Click here to see answer by checkley75(3666)

Question 78573: Geometry. For the floor plans given in exercise 27, determine whether the side
through the points (2, 3) and (11, 6) is perpendicular to the side through the points
(2, 3) and (-3, 18).
Click here to see answer by checkley75(3666)

Question 79525: 4 points lie on a plane so that no 3 of them lie on a line. if lines are drawn connecting all pairs of these points, how many such lines are there?
Click here to see answer by stanbon(75887)

Question 79647: One side of a kite is 6 cm less than 4 times the length of another. The perimeter of the kites is 68 cm. Find the length of each side of the kite.
Click here to see answer by josmiceli(19441)

Question 79657: A forest ranger spots a fire from a 21-foot tower. The angle of depression from the tower to the fire is 12 degrees.
a. Draw a diagram to represent this situation.
b. To the nearest foot, how far is the fire from the base of the tower? Show the steps you use to find the solution.
Click here to see answer by stanbon(75887)

Question 79646: Write an equation in slope-intercept form of the line having the given slope and y-intercept.
m: - 4/5, (0,-3)
Click here to see answer by tutor_paul(519)

Question 79874: I have been helping my son with his homework and I myself need help w/ this problem.
Points X,Y, and Z are collinear, w/ point X between points Y and Z. If XY = 14.8 and YZ = 18.2, find XZ.

Thank you for the help.
Angela

Click here to see answer by checkley75(3666)

Question 80097: find the slope and y-intercept of the line represented by the following equation.
2x-3y=6
Click here to see answer by tutor_paul(519)

Question 80259: Please help and believe me I have tried to work this I have no idea how to do the 1st sept to solve this.

Write the equation of the line with given slope and y-intercept. Then graph each line using the slope and y-intercept. Then graph each line using the slope and y-intercept. Slope: -2;y-intercept: (0,4). step by step on what to do to get the equation line with the given slope and y-intercept. What is the step by step order of operations to get the the graph of each line using the slope and the y-intercept.
Click here to see answer by jim_thompson5910(35256)

Question 80580: L has y-intercept (0, -3) and is parallel to the line with the equation y=2/3x + 1,
L has y-intercept (0,2) and is perpendicular to the line with equation 2x - 3y=6.
Click here to see answer by stanbon(75887)

Question 80818: Find the coordinates of the image of a segment whose endpoints are:
D(-2,3) and K(1,2) after each transformation.
A translation of right 4 and down 2?
A reflection over the x-axis?
A rotation of 90 degrees about the orgin?

Click here to see answer by stanbon(75887)

Question 81151: i need to know circumference of the cicle of r=3 cm.
Click here to see answer by tutor_paul(519)

Question 82117: My question is:
A rectangle has sides of 3x-4 and 7x+10. Find the expression that represents its perimeter.
Could someone help me with this one and show me how you set it up to find the answer? Thank You.
Click here to see answer by checkley75(3666)