ABC is isosceles with AB = AC = 8 units and BC = 6 units. D and E are the midpoints of and respectively. What is the length of ? 3 units 4 units 6 units 8 units
Monday, November 10, 2014 at 4:26am
Conic sections: Ellipse Show that the distance between the directrix and center is D1C = a/e. F1V1 + F1V2 = eD1V1 + eD1V2 2a = e(D1V1 + D1V2) = e(D1V1 + [D1V1 + V1V2]) = e(D1V1 + V1V2 + V2D2) = e(D1V1 + V1C + + CV2 + V2D2) = e([D1V1 + V1C] + [CV2 + V2D2]) = e([D1C] + [CD2]) 2a...
Sunday, November 9, 2014 at 9:29pm
Eddie is arguing with tana about the probability of flipping three coins. They decided to flip a penny, nickel, and a dime. Which would be better determining the sample space, a tree diagram or an area model? Justify your answer.
Saturday, November 8, 2014 at 6:08pm
A total solar eclipse occurs when the moon passes between the earth and the sun, and the darkest shadow cast by the moon, called the umbra, hits the surface of the earth. If the umbra does not hit the surface, as shown in the following figure, then a total solar eclipse is not...
Thursday, November 6, 2014 at 8:05pm
Jake needs 9 pieces of rope that are each the same length. He cuts the pieces from a rope that is 8 yards long and uses up the whole piece of rope. How long is each piece of rope?
Thursday, November 6, 2014 at 10:49am
we have atriangleABC given: segment AB and AC are congruent BE is the median to AC CD is the median to AB PROVE THAT AG is the perpendicular bisector of BC?
Wednesday, November 5, 2014 at 6:24am
Two standard number cubes are thrown simultaneously. What is the probability that the combined result of the two cubes is exactly 7, or that it is less than (but not equal to) 6? Round answer to the nearest thousandth
Monday, November 3, 2014 at 11:24am
A carpenter is building a staircase using his knowledge of right angles. The steps have a horizontal landing and a vertical rise causing each step to be a right triangle cut out. Depending on the purpose, steps may be adjusted by the angle of elevation which determines the ...
Thursday, October 30, 2014 at 5:00pm
P->P'(-8,-3) for the glide reflection where the translation is (x,y)->(x,y-5) and the line reflection is x=-5. what are the coordinates of P? (-8,-8) (-8,2) (-2,-3) (-2,2)
Wednesday, October 29, 2014 at 4:38pm
What is the slope-intercept form of the equation y 7 = 5/2 (x + 4)? y 2 = 5/2(x + 2) y + 7 = x + 5/2 y = 4/7+ 2 y = 5/2x 3 (I keep coming up with y=5/2(x+4)+7 2. Distribute 5/2 y=(5/2x) + 10 + 7 3. Simplify. y=(5/2)x + 17 and ...
Tuesday, October 28, 2014 at 11:07pm
The four masses shown in the figure below are connected by massless, rigid rods. moi-cog-problem-fig (a) Find the coordinates of the center of gravity of this object if MA = 120 g and MB = MC = MD = 180 g x = ? m y = ? m (b) Find the moment of inertia about an axis that passes...
Tuesday, October 28, 2014 at 2:23pm
Quadrilateral Math has been dissected into squares. The area of the red square is 64 square units and the area of the blue square is 81 square units. Determine the dimensions and the area of Quadrilateral Math?
Saturday, October 25, 2014 at 10:14am
The second-largest state in the US is Texas, covering 268,580 square miles (including water). What is the approximate radius of a sphere with the same surface area as the area of Texas?
Friday, October 24, 2014 at 2:41pm
The volume of a basketball is 448.92 cubic inches, and the volume of a baseball is 12.77 cubic inches. How many baseballs would fit inside a basketball?
Thursday, October 23, 2014 at 2:44pm
The volume of a cylinder is 980 in.. The height of the cylinder is 20 in. What is the radius of the cylinder? Express your answer to the nearest hundredth.
Wednesday, October 22, 2014 at 9:33pm
The main tank at an aquarium is a cylinder with diameter 203 ft and height 25 ft. Using 3.14 for pi, find the volume of the tank to the nearest cubic foot.
Wednesday, October 22, 2014 at 9:24pm
Y is a the midpoint of XZ. For each pair of points given, find the coordinates of the third point. (Im not sure how to work this out, any help would be grateful) X(5,5), Z(-1,5) Y(_____,_____) Z(2,8), Y(-2,2) X(_____,_____)
Sunday, October 19, 2014 at 7:40pm
a game room has a floor that is 120 feet by 75 feet a scale drawing of the floor grid paper uses a scale of 1 unit:5 feet what are the dimensions o the scale drawing
Sunday, October 19, 2014 at 10:43am
a game room has a floor that is 120 feet by 75 feet a scale drawing of the floor grid paper uses a scale of 1 unit:5 feet what are the dimensions o the scale drawing ***Show steps please I need this by tomorrow***
Sunday, October 19, 2014 at 10:41am
1.1.Determine whether the regular pentagon has reflection symmetry, rotation symmetry, both, or neither. If it has reflection symmetry, state the number of axes of symmetry. If it has rotation symmetry, state the angle of rotation. For each type of symmetry, explain how you ...
Friday, October 17, 2014 at 11:35am
Name the Property of Congruence that justifies this statement: m¡ÏA + m¡ÏB = m¡ÏC, then m¡ÏA = m¡ÏC ¨C m¡ÏB Transitive Property Symmetric Property Reflexive Property none of these
Tuesday, October 14, 2014 at 10:38pm
Name the Property of Congruence that justifies this statement: m¡ÏA + m¡ÏB = m¡ÏC, then m¡ÏA = m¡ÏC ¨C m¡ÏB. Transitive Property Symmetric Property Reflexive Property none of these This confuses me...
Tuesday, October 14, 2014 at 9:22pm
The measure of an exterior angle of a regular polugon is given. Find the measure of an interior angle. Then find the number of sides. 1) The measure of the exterior angle is x.
Tuesday, October 14, 2014 at 7:40pm
Use the Law of Detachment to draw a logical conclusion from the two given statements. If not possible, choose not possible. If you drive safely, then you can avoid accidents. Teddy drives safely. Teddy avoids accidents. If Teddy avoids accidents, he must drive safely. (my ans...
Tuesday, October 14, 2014 at 2:19pm
Which shows a true conditional with a correctly identified hypothesis and conclusion? (1 point) If it is raining, then the humidity level is 100% . Hypothesis: The humidity level is 100%. Conclusion: It is raining. I hate humidity, except when it rains. Hypothesis: I hate ...
Monday, October 13, 2014 at 6:21pm
write the equations of the horizontal and vertical lines through the given points. (5,6) Can someone please show me and explain to me how to solve this? Thank you
Sunday, October 12, 2014 at 6:41pm
Name the property that justifies this statement: If AB = BA, then segment AB is congruent to segment BA. A )Addition Property of Equality B) Reflexive Property of Congruence C) Symmetric Property of Congruence D) Transitive Property of Congruence
Friday, October 10, 2014 at 4:36am
How do I solve this? Complete the two-column proof. Given : 11x 6y = 1; x = 8 Prove: 89/6= y 11x 6y = 1; x = 8 88 6y = 1 6y = 89 y = 89/6 89/6= y a. Given; b. Symmetric Property of Equality; c. Subtraction Property of ...
Thursday, October 9, 2014 at 1:53pm
Can anybody help me with this word problem? A homeowner, who loves math, decides to make a garden/patio area in the following way. She decides to make the gardening area, where she will plant roses bushes in the shape of an equilateral triangle having a side length of 10 feet...
Wednesday, October 8, 2014 at 11:27pm
on a centimeter dot array draw all possible rectangles with a perimeter of 22 cm and sides whose lengths are whole centimeters label the lengths of 2 adjacent sides of each rectangle
Wednesday, October 8, 2014 at 6:10pm
Given a circle with an 8" radius, find the area of the smaller segment whose chord is 8" long? I don't even understand how to start a question like this?
Monday, October 6, 2014 at 4:35pm
Analytic Geometry CHECK MY ANSWER
What is the slope of the line that passes through the points (2, 3) and (2, 6)? Option A: -3/2 Option B: -3/4 (MY ANSWER) Option C: 3/4 Option D: 0
Friday, October 3, 2014 at 2:07pm
Analytic Geometry CHECK MY ANSWER
A neighborhood swim club charges a one-time fee of $25 to join and $85 each month. If n is the number of months of membership and t is the total amount spent, then the variables are related by the equation t = 85n 25. Which variable is the independent variable? A.t B.n C. ...
Friday, October 3, 2014 at 2:02pm
The melting point of mercury is -36 degrees fahrenheit and its boiling point is 672 degrees fahrenheit what is the difference between the boiling points and the melting points
Friday, October 3, 2014 at 1:56am
Two rectangular panels are used to construct the four office cubicle. They are designed to pivot at the center Line NS. If the two panels are pivoted to increase the size of one office what happens to the adjacent offices? The opposite office? In order for all four offices to ...
Thursday, October 2, 2014 at 8:01pm
For every 10 yards on a football field, there is a boldly marked line labeled with the amount of yards. There are two parallel sidelines on each side of the field. If the 50 yard line is perpendicular to one of the sidelines, what is its relationship to the other sideline?
Thursday, October 2, 2014 at 10:44am
a convex polygon has a pattern in which each angle alternates between being 140 degrees and being 148 degrees they give me 5 sides and want me to figure out how many angles
Wednesday, October 1, 2014 at 7:26pm
a school playground is the shape of a rectangle 500 ft long and 100 ft wide. If fencing costs $16 per yard, what would it cost to place fencing around the playground
Wednesday, October 1, 2014 at 1:29pm
A forest ranger in a 120ft observation tower sees a fire. The angle of depression to the fire is 3.5. What is the horizontal distance between the tower and the fire
Tuesday, September 30, 2014 at 9:15pm
Believe it or not this is a geometry question... What is the hypothesis of the given statement? If money grows in trees, then you can be rich. Money grows in trees.(my answer???) You cannot be rich. Money does not grow in trees. You can be rich.
Tuesday, September 30, 2014 at 7:59pm
Point C is in the interior of angle ABD. The measure of angle ABD is 40 degrees. The measure of angle DBC is 3x-5. If angle ABC is 22 degrees, what is "x"?
Sunday, September 28, 2014 at 7:46pm
I keep getting the same answer but it is wrong. How do I work this? M is the midpoint of AB. The coordinates of A are (-4, -2) and the coordinates of B are (9,-6). What are the coordinates of M?
Sunday, September 28, 2014 at 2:06pm
Two circles which are not congruent touch externally. the sum of their area is 130¦Ðcm.square and distance between their centers is 14 cm. find radii of circles.
Sunday, September 28, 2014 at 12:55pm
A swimming pool is to be constructed in the space of partially overlapping identical circles. Each of the circles has a radius of 9 m, and each passes through the center of the other. Find the area of the swimming pool.
Sunday, September 28, 2014 at 1:57am
Urgent geometry help
What would be the converse of the ihop saying " come hungry leave happy" This was my if then statement: if you come hungry then you will leave happy. And for my converse I had: if you leave happy then you came hungry. ***is this right? Is it okay to to not put the &...
Thursday, September 25, 2014 at 9:09pm
Please help! I am so lost! The question is "R and S are complementary angles and U and V are also complementary angles. If R=y-2, S=2x+3, U=2x-y and V=x-1, find the values of x, y, R, S, U and V."
Wednesday, September 24, 2014 at 6:19pm
In order to properly design a heating system for a greenhouse, the volume of air in the building needs to be determined. Find the volume of air in the greenhouse below. The length of the building is 40 feet long, the width is 20 feet long, and it is 8 feet from the ground to ...
Wednesday, September 24, 2014 at 6:17pm
Did I solve the following correctly? I had to the fin the midpoint. A (-3, 2) B (5, -4) I did the midpoint formula: M(-3+5/2, 2+ -4/2=M (2/2, -2/2). Is (2/2, -2/2) the correct midpoint?
Tuesday, September 23, 2014 at 8:01pm
I have worked this problem several times and get the same answer but it is not the right one, please help... You are tiling a kitchen floor that is 10 ft wide by 4 yd long. How many square yards of tile do you need? 13.32 yd²-- this is my answer 13 yd² 20 yd² 40...
Thursday, September 18, 2014 at 10:23pm
Geometry Please help
I think I got forgotten... What is the perimeter of triangle PQR with vertices P(2, 9), Q(7, 3), and R(2, 3) in the coordinate plane? (1 point) 21 units 25 units - ?? 34 units 36 units
Thursday, September 18, 2014 at 8:19pm
What is the perimeter of triangle PQR with vertices P(2, 9), Q(7, 3), and R(2, 3) in the coordinate plane? (1 point) 21 units 25 units 34 units 36 units
Thursday, September 18, 2014 at 6:51pm
I need to know how to work this problem: A 12-ft-by-15-ft rectangular swimming pool has a 3-ft-wide no-slip surface around it. What is the outer perimeter of the no-slip surface? 78 ft 78 ft2 198 ft 198 ft2
Thursday, September 18, 2014 at 5:55pm
1)Line RS bisects PQ at point R.find RQ if PQ =14 centimeters. 2)line JK Bisects MN at points J. Find MN if JM = 6 3/4 feet. 3) point T bisects UV IF UT = 4 1/2 yards.
Tuesday, September 16, 2014 at 6:58pm
1. An airplane is flying with the velocity of 459km/h [E40S], however its ground velocity is 498km/h [E24S]. Determine the velocity of the blowing wind. (Use the vector subtraction diagram and geometry to solve this question). I drew a diagram and tried solving this question ...
Tuesday, September 16, 2014 at 12:03pm
I could really use some help with this problem because I'm pretty confused on what to do. The formula for the volume of a cone is V=1/3(pi)r^2h where v represents volume, r represents the radius of the base, and h represents the height. What is the height of a cone with a ...
Sunday, September 14, 2014 at 12:58pm
Question 4.4. Which is true about a rotation? (Points : 1) The image and preimage are congruent. The image overlaps the preimage. The image is larger than the preimage. The image is smaller than the preimage. Question 5.5. Trapezoid PQRS was rotated 60° around a point. ...
Saturday, September 13, 2014 at 11:13pm
Question 1.1. For each of the following questions, choose the correct answer. What is another word for rotation? (Points : 1) flip turn slide fall Question 2.2. What's another word for a translation? (Points : 1) flip turn slide fall Question 3.3. Maria slides a triangle ...
Saturday, September 13, 2014 at 10:54pm
Math(Geometry) beware its hard for sixth graders!
In order to rescue Sela's cat, her mother propped a 19 foot long ladder against a tree at a 42° angle with the ground. How many feet above the ground was their cat? Round your answer to the nearest tenth of a foot? 1. 21.2 ft 2. 14.4 3. 12.7 4. 28.4 I NEED THE ANSWER ...
Friday, September 12, 2014 at 9:44pm