Sunday

January 22, 2017
**chemistry**

In 3-4 sentences, identify how the geometric structure of NF3 is different than that of NF4+. Explain how the geometry affects the ability of the molecules to experience a dipole affect.

*Friday, March 6, 2015 by Morgan*

**11th Grade Geometry**

A yardstick casts a shadow of 24 in. at the same time a telephone pole casts a shadow of 20 ft 8 in. What is the height of the telephone pole, to the nearest inch? (1 yd = 36 in., and 1 ft = 12 in.)

*Friday, March 6, 2015 by Grayson*

**Geometry**

The volume of a rectangular prism is 280cm cubed and the height is 8cm. Which of the following could be the dimensions of the length and the width?

*Thursday, March 5, 2015 by Hayden*

**Math, geometry**

A porch has the shape of a semicircle with a diameter of 7 ft. What is the approximate area of the porch, rounded to the nearest square foot? Use 3.14 to approximate pi. Help!

*Thursday, March 5, 2015 by ♪♫*

**Geometry**

what is the length of base 1 and base 2 of a trapezoid with the midsegment 32 and the height 16

*Thursday, March 5, 2015 by Janet*

**Geometry**

1. If triangles EIO = UAN, EI = 3x-4, IO = 2x+5, UA = 2x+3 and UN = 3x+1, solve for the value of x, find the perimeter of triangle UAN and identify the smallest angle in triangle EIO. 2. If triangle FAT is equal to triangle GRC, FA = 24cm and the ratio of GR, RC and GC is 2:1:...

*Wednesday, March 4, 2015 by Lily*

**Geometry**

A boat is looking at a plane 8000 ft in the air at a 40 degree angle from x feet away solve for x 6,713 ft 9,534 ft 10,443 ft 12,445

*Wednesday, March 4, 2015 by Anonymous*

**Math**

I can't unscramble this. GONUENRIC It deals with Geometry.

*Wednesday, March 4, 2015 by Jesse*

**geometry**

Rita bikes 4 miles in 21 minutes . At this rate, how many miles does he bike in a hour ?

*Tuesday, March 3, 2015 by bridgette*

**Math, Analytic Geometry**

Derek wants to determine the height of the top of the backboard on the basketball goal at the playground. He places a standard 12-inch ruler next to the goal post and measures the shadow of the ruler and the backboard. If the ruler has a shadow of 10 inches and the backboard ...

*Tuesday, March 3, 2015 by Kniasia*

**Math - Geometry - Triangle Medians and Altitudes**

Points D, E, and F are the midpoints of sides BC, CA, and AB, respectively, of triangle ABC. Points X, Y, and Z are the midpoints of EF, FD, and DE, respectively. If the area of triangle XYZ is 21, then what is the area of triangle CXY?

*Tuesday, March 3, 2015 by John*

**geometry**

find the area bounded by a regular pentagon with radius 6 cm. round to the nearest tenth.

*Monday, March 2, 2015 by al*

**geometry**

The diameter and height of this cylinder are equal to the side length, S, of the cube in which the cylinder is inscribed. What is the expression for the cylinder's volume?

*Monday, March 2, 2015 by Mary*

**geometry**

A cylinder has a height of 16 cm and a radius of 5 cm. A cone has a height of 12 cm and a radius of 4 cm. If the cone is placed inside the cylinder as shown, what is the volume of the air space surrounding the cone inside the cylinder? (Use 3.14 as an approximation of Ã...

*Monday, March 2, 2015 by Mary*

**Geometry**

A survey showed that 23 % of college students read newspapers on a regular basis and that 82 % of college students regularly watch the news on TV. The survey also showed that 21 % of college students both follow TV news regularly and read newspapers regularly. (a) What is the ...

*Sunday, March 1, 2015 by Anonymous*

**Geometry**

Write the equation of a circle given the following: Diameter measures 15 units and the center is at the intersection of y =x + 7 and y= 2x-5

*Sunday, March 1, 2015 by Frank*

**Geometry**

8. P -> P' (2, 6) for the glide reflection where the translation is (x,y) -> (x + 2, y - 2) and the line of reflection is y = - x. Find the coordinates of P. A. (11, -3) B. (4, 0) C. (-11, 3) D. (-4, 0) I think it is B. But I'm not sure, could I get some help.

*Friday, February 27, 2015 by Nyla*

**geometry**

Find the area bounded by the curves y= x^2 + 4 and y=x + 2

*Friday, February 27, 2015 by ceasar*

**7th grade math**

Can you help with geometry? 1. Sally constructs a triangle with one side 6 inches long and another side 8 inches long. What is the 3rd side? (haven't learned Pythagorean theorem) Ans: 6 + x > 8 x > 2 6 + 8 > x 14 > x 8 + x > 6 x > -2 so, x must be > 2...

*Friday, February 27, 2015 by Alexis*

**Geometry**

The circumference of a circle is 20 pi cm. Find diameter, radius, and area of the disk, the length of an arc of 90 angle and area of a 90 angle sector. Answer in terms of pi. d= ___ r= _____, disk area= _______ arc length =______, sector area =________

*Thursday, February 26, 2015 by al*

**6th grade geometry**

If the area of a triangle is64 is the base 16 and the height 32?

*Wednesday, February 25, 2015 by Larissa*

**Geometry**

To solve PQR, find ____, _____, _____, and _______, ______, _______.

*Wednesday, February 25, 2015 by Nuha*

**geometry**

Given five segments of length 2,3,5,8, and 13, what is the number of distinct triangles that can be formed using any three of the segments?

*Wednesday, February 25, 2015 by Jill*

**Geometry**

I need some assistance, here's the question. 4. What are the values of x and y? A. x=9/4,y=3/4 B. x=9/4,y=15/4 C. x=15/5,y=5/4 D. x=3/4,y=15/4 I'm thinking it's either A or B, but I don't know for sure. Can anyone help?

*Wednesday, February 25, 2015 by Kevin*

**Geometry**

For Kite ABCD, if RA = 15 , and BD = 16, find AD.

*Monday, February 23, 2015 by Chanel*

**geometry**

How can you tell that the distance from the top of a ladder to the ground is longer than the distance from the base of the ladder to the wall?

*Monday, February 23, 2015 by Anonymous*

**geometry**

Five of the angles of a hexagon are 94, 108, 150, 124, and 104 degrees. The remaining angle measures ____________________ degrees.

*Sunday, February 22, 2015 by deisy*

**geometry**

I've got a sizable chunk of delicious sharp cheddar. My block of cheese is a perfect rectangular solid, dimensions are 10in x 13in x 14in. PLease help I have 10 friends at my house, so I cut 10 slices. Each slice is of width 1in, and it is cut parallel to one face of the ...

*Sunday, February 22, 2015 by Anonymous*

**geometry**

You've got a sizable chunk of delicious sharp cheddar. Your block of cheese is a perfect rectangular solid, dimensions are 10in x 13in x 14in. PLEAASSSEE HELP You have 10 friends at your house, so you cut 10 slices. Each slice is of width 1in, and it is cut parallel to one...

*Sunday, February 22, 2015 by Britney PLEASE HELP*

**Geometry**

One of two similar triangles has an area of 1/4 times than that of the other. What is the ration of the trangles' perimeter? (I know that the answer is 1:2, but i don't why that is the answer :( )

*Sunday, February 22, 2015 by Anonymous*

**geometry**

On a map, 2 cm represents 68 miles. How many miles away are two,cities that are 7 cm apart on the map

*Thursday, February 19, 2015 by Belal*

**Geometry**

You make a scale drawing of a tree using the scale 5 in. = 27f ft. If the tree is 67.5 ft. tall, how tall is the scale drawing

*Thursday, February 19, 2015 by Anonymous*

**Geometry : Circles**

Which of the following arcs is longer? NR NRS NST NP Also can you explain what an arc is? Thank You!

*Thursday, February 19, 2015 by Mika*

**Geometry II**

A conveyor belt carries supplies from the first floor to the second floor, which is 12 feet higher. The belt makes a 60Â° angle with the ground. How far do the supplies travel from one end of the conveyor belt to the other? Round your answer to the nearest foot. 21 ...

*Thursday, February 19, 2015 by Anonymous*

**geometry**

Prove: △ABC has at least one angle with measure 60Â° or less

*Wednesday, February 18, 2015 by travis*

**Geometry (math)**

The 100-foot clock tower in Rome, Georgia is more than 100 feet tall. The minute hand is 4 feet, 3 inches long, and the hour hand is 3 feet, 6 inches long. How many inches farther does the tip of the minute hand travel than the tip of the hour hand in one day? I'm not ...

*Wednesday, February 18, 2015 by Zunie*

**Geometry**

A ship sails 400 km on a bearing of 75 degrees

*Wednesday, February 18, 2015 by Kyle*

**GEOMETRY**

What is the value of p? A right triangle with angles measuring 45, 45 and 90 and a leg measuring P and hypotenuse measuring 44 22 22 sqrt 2 44 44 sqrt 3 It always helps to know how...thanks

*Tuesday, February 17, 2015 by Anonymous*

**math**

the sum of the first four terms of a geometry series is 15 and the sum of the next 4 terms is 240.determine the positive constant ratio.

*Tuesday, February 17, 2015 by niky*

**GEOMETRY**

What are the angle measures of the triangle? A right triangle with a hypotenuse measuring 14sqrt3 and legs measuring 7sqrt3 and 21 30Â°, 60Â°, and 90Â° 45Â°, 45Â°, and 90Â° 60Â°, 60Â°, and 60Â...

*Tuesday, February 17, 2015 by Anonymous*

**analytic geometry**

The main cables of a suspension bridge uniformly distribute the weight of the bridge when in the form of a parabola. The main cables of a particular bridge are attached to towers that are 600 ft apart. The cables are attached to towers at a height of 110 ft above the road. ...

*Tuesday, February 17, 2015 by Designing suspension bridge*

**GEOMETRY**

What is the value of W? A triangle with hypotenuse W and with a leg with length 7sqrt3 and angles measuring 90 degrees and 30 degrees. 7 3.5 7 sqrt3 14

*Monday, February 16, 2015 by Anonymous*

**Math**

Hello, I can not solve problem from analytical geometry. If you can help me to find out what is wrong in my procedure and show me a better one I would be really gratefull. There are given 3 points A(2,2,3), B (6,3,0), C(3,-1,-1). On the x ax-axis lies point X, find coordinates...

*Saturday, February 14, 2015 by Viktória*

**GEOMETRY**

Find the exact length of the altitude drawn to the hypotenuse. Do not round. The triangle is not drawn to scale. A triangle with base measures of 9 & 17. Draw a diagram. Using similar triangles, we know that h/9 = 17/ÂÃ£370 I need more help with this. ...

*Friday, February 13, 2015 by Anonymous*

**Geometry**

Quadrilateral GHIJ is a scale drawing of quadrilateral ABCD with a scale factor r. Describe the following statements as always true, sometimes true, or never true, and justify your answer. a. AB/GH = BC/HI b. perimeter (GHIJ) = r * perimeter (ABCD) c. Area (GHIJ) = r * area (...

*Friday, February 13, 2015 by Jess*

**Geometry**

What is the value of x, given PQ || BC? Triangle: A, B, C with bisector PQ AP = 8 PB = x AQ = 12 QC = 18

*Thursday, February 12, 2015 by Anonymous*

**Geometry B**

Find the exact length of the altitude drawn to the hypotenuse. Do not round. The triangle is not drawn to scale. A triangle with base measures of 9 & 17. Please help

*Thursday, February 12, 2015 by Anonymous*

**Geometry**

I need some help with a geometry question! connexus()com/content/media/527934-12182013-42511-PM-845062975()png 4. What are values of x and y? a. x = 9/4, y = 3/4 b. x = 9/4, y = 15/4 c. x = 15/4, y = 5/4 d. x = 3/4, y = 15/4 I think it's A. Can someone help?

*Thursday, February 12, 2015 by Sandy East Ward*

**geometry**

i need help on a question that involves finding the "value of the variable" ive started the question but im stuck of how to continue .its a right triangle which hypotenus length is cut by a altitude line "w+9" .the lengths cut are 8 and 18 .

*Wednesday, February 11, 2015 by julia*

**Geometry**

Hi, so i reallllyy need help, i have an assignment that i have to complete, but the thing is theres a file and this site doesn't allow links, so does anyone have email to help me if you can help i will greatly appreciate it i'll email you the file. btw this problem ...

*Wednesday, February 11, 2015 by Arora*

**Geometry**

A secant and a tangent to a circle intersect in a 42 degree angle. The two arcs of the circle intercepted by the secant and tangent have measures in a 7:3 ratio. Find the measure of the third arc. If someone could help me figure out how to do the equations, then that would be ...

*Wednesday, February 11, 2015 by Ann*

**Geometry**

Can you help me.the lengths of the sides of a triangle are in the extended ratio 3:10:12. The perimeter is 400cm. What is the length of the longest side in centimeters.

*Wednesday, February 11, 2015 by Dean*

**geometry**

Jamie needs to find the missing angle of a right triangle with the third angle measuring 62 degrees. What is the measure of the third angle of the triangle?

*Tuesday, February 10, 2015 by Alex*

**Geometry**

The measure of an angle SUT is twice m<RUS. if m<RUS=(18x-8)degrees and m<TUS=(4x + 16) degrees. Find m<RUT. This is an acute angle. Please help. I have tried figuring this problem out a million and one ways. Thanks

*Tuesday, February 10, 2015 by Katie W*

**Geometry**

The areas of two similar triangles are in the ratio 36:25. If one side of the larger triangle is 60cm, what is the length of the corresponding side of the other triangle?

*Monday, February 9, 2015 by rhianne*

**Geometry**

Find the ratios of the perimeters and areas of the pairs of two regular pentagons with corresponding sides that measure 48cm and 54 cm.

*Monday, February 9, 2015 by rhianne*

**geometry**

The first term of a geometric sequencf is 3 and the sum of the second and the third term is 60.determine the first three terms and the general term Tn

*Sunday, February 8, 2015 by Snontia*

**geometry**

The third term of a geomatrie sequence is 6 and the sixth term is 3/32.determine the fist three terms and the general term Tn

*Sunday, February 8, 2015 by Snontia*

**geometry**

Triangle DEF where angle E is a right angle. DE measures 55. EF measures x. Angle D measures 49 degrees. What is the value of x rounded to the nearest hundredth? Type the numeric answer only in the box below.

*Sunday, February 8, 2015 by Bella*

**geometry**

Isosceles trapezoid JKLM has legs Jk and LM and bases KL and JM. Jk=8X+5 KL=4X+1 LM=10x+4 and MJ=18X+3, area of JKLM?

*Sunday, February 8, 2015 by al*

**geometry**

a monster truck's is 8 ft in diameter. during the last event, the tire rolled for 3 miles. how many revolutions did the tire make? 3(5280)

*Saturday, February 7, 2015 by zoey*

**Geometry**

Four friends order a 12 inch diameter pizza to share equally. how much pizza does each receive?

*Friday, February 6, 2015 by Leah*

**geometry**

2. A person who is 1.5 meters tall casts a shadow that is 8 meters long. The distance along the ground from the person (N) to the flagpole (G) is 32 meters. Find the height of the flagpole (FG) showing all calculations.

*Thursday, February 5, 2015 by Anonymous*

**Geometry**

Al's garden is 18 feet long and 30 feet wide he wants to put a fence post that same distance apart along both the length and the width of the fence what is the greatest distance he can put apart the fence post

*Thursday, February 5, 2015 by Donna*

**ccgps analytical geometry**

g(x)=x^5-4x^3+2x+12

*Wednesday, February 4, 2015 by rodney*

**geometry**

Janine wants to paint just the sides of a cylindrical pottery vase that has a height of 45 cm and a diameter of 14 cm. To the nearest whole number, find the number of square centimeters she will need to paint. Explain the method you would use to find the lateral area.

*Wednesday, February 4, 2015 by Emi*

**geometry**

A design on the surface of a balloon is 5 cm wide when the balloon holds 71 cm^3 of air. How much air does the balloon hold when the design is 10 cm wide? Explain the method you use to find the amount of air.

*Wednesday, February 4, 2015 by Emi*

**geometry**

A design on the surface of a balloon is 5 cm wide when the balloon holds 71 cm^3 of air. How much air does the balloon hold when the design is 10 cm wide? Explain the method you use to find the amount of air.

*Wednesday, February 4, 2015 by Emi*

**Geometry**

find the area of a triangle whose vertices have coordinates:(5,5)(3,4)(8,3)

*Tuesday, February 3, 2015 by al*

**math (geometry)**

does anyone know how to do inscribed angles????????????............!!!!!!!!!!!

*Tuesday, February 3, 2015 by yajaira salcedo*

**math (geometry)**

find the value of each variables

*Tuesday, February 3, 2015 by yajaira salcedo*

**Geometry B**

What is the value of x in the proportion: (x-1)/5 = (4x + 2)/35 How do I go about getting this solved?

*Tuesday, February 3, 2015 by Sandra*

**geometry**

Janine made a cylindrical vase in which the sum of the lateral area and area of one base was about 3000 square centimeters. The vase has a height of 50 centimeters. Find the radius of the vase. Explain the method you would use to find the radius.

*Tuesday, February 3, 2015 by Emi*

**Geometry**

Line CD is the perpendicular bisector of line AB. E and F are midpoints. If AB=6 and CZ=4, find the triangle ABC. Z is the centroid.

*Tuesday, February 3, 2015 by caleb*

**geometry**

A child on top of a lighthouse observes two ships that are 90 ft apart from each other. The angles of the depression of the two ships are 34Âº and 20Âº. How far is the closest ship from the base of the lighthouse? I'm sorry, I would show my work, I ...

*Monday, February 2, 2015 by Katie*

**Geometry**

A child on top of a lighthouse observes two ships that are 90 ft apart from each other. The angles of the depression of the two ships are 34Âº and 20Âº. How far is the closest ship from the base of the lighthouse? I'm sorry, I would show my work, I ...

*Monday, February 2, 2015 by Katie*

**statics**

A1 Helicopter in flight with unbalanced stores A helicopter in forward flight is shown in Figure 1. The helicopter in forward flight experiences a horizontal drag force DF . The drag force DF is assumed to pass through O. The helicopter is held up in the air ...

*Monday, February 2, 2015 by Erika*

**Geometry**

A quadrilateral contains two equal sides measuring 12 cm each with an included right angle. If the measure of the third side is 8 cm and the angle opposite the right angle is 120 degrees, find the fourth side and the area of the quadrilateral.

*Monday, February 2, 2015 by Karen*

**Geometry**

Solve each equation below by completing the square: 1) x^2 + 6x = 16 My steps: x^2 + 6x - 16 = 0 (x - 2 )(x + 8) x = 2, -8 I set it to zero and factored it out. But my teacher said not do it that way and do it by dividing by 2 but I don't understand how that works. I got ...

*Sunday, February 1, 2015 by Ann*

**geometry**

A model is made of a car. The car is 7 feet long, and the model is 16 inches long. What is the ratio of the length of the car to the length of the model? 4:21 7:16 16:7 21:4 I think it is C.

*Sunday, February 1, 2015 by jade*

**geometry**

if the lengths of the sides of one triangle are 2 inches 5 inches and 7 inches respectively in the shortest leg of a similar triangle is 4 inches what is the perimeter of the second triangle in inches?

*Saturday, January 31, 2015 by keyna*

**elementary differential geometry**

Suppose that all the tangent lines of a regular plane curve pass through some ﬁxed point. Prove that the curve is part of a straight line. Prove the same result if all the normal lines are parallel.

*Saturday, January 31, 2015 by thida*

**Geometry midpoint formula**

A circle on the Coordinate plane has a diameter with endpoints at (6,8) and (15,8). What are the coordinates of the center of the circle? What is the radius of the circle? Identify the coordinates of another point on the circle. Explain how you found your answer.

*Wednesday, January 28, 2015 by Marianna*

**Physics**

Well, I just found out that I failed my physics midterm. I got a 51. Yes I studied but I still don't get the forces and inclined planes. And my parents are going to kill me if they find out. The midterm brought down my grade to a 79!! Any advice? P.S I also got a 71 on my ...

*Wednesday, January 28, 2015 by Liz*

**geometry**

The diagonal of a square checkerboard is 2 inches long. Find the length of one side of the checkerboard

*Wednesday, January 28, 2015 by rena*

**geometry**

A diagonal of a square checkboard is 20 inches long. find the length of one side of the checkerboard,

*Tuesday, January 27, 2015 by rena*

**Geometry**

I am having trouble with this question. I do not know where to begin. I am in Trig now and we are doing review but I forgot everything that I learned in Geometry. I want to understand how to do this problem. "a picture measures 20 cm by 25 cm. the width of the matting and...

*Tuesday, January 27, 2015 by Hutch*

**Geometry**

There are 4 blue marbles, 5 red marbles, 1 green marble, and 2 black marbles in a bag. Suppose you select one marble at random. Find each probability

*Monday, January 26, 2015 by Blue*

**Geometry**

Jay, Kay, Ray found themselves far apart for lunch while working in a field. Jay could see Kay, then turned 75 degrees and see Ray. Kay could see Ray, then turn 51 degrees and see Jay. Ray could see jay, then turn 54 degrees and see Kay. Which two were the furthest apart? A) ...

*Monday, January 26, 2015 by Alison*

**Geometry**

How many different surface areas are possible when 8 one inch cubes are arranged so that each has one or more faces in common (touching) with at least one of the other cubes? We have to use a physical model. And I have no idea how to start this or even do it. Please be ...

*Sunday, January 25, 2015 by Jim*

**Sphere Geometry**

Let f be the outward flux of the vector field F = (4x,2y,0) over the part of the sphere of radius 3 centered at the origin between the planes z=-0.8232 and z=1.6698. The value of sin f is?

*Sunday, January 25, 2015 by Shanu*

**Geometry**

The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted red?"...

*Saturday, January 24, 2015 by Susan*

**Geometry, Cubes**

The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted red?"...

*Saturday, January 24, 2015 by Cathy*

**Geometry**

The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted red?"...

*Saturday, January 24, 2015 by Cathy*

**Geometry**

How many different surface areas are possible when 8 one inch cubes are arranged so that each has one or more faces in common (touching) with at least one of the other cubes? We have to use a physical model. And I have no idea how to start this or even do it.

*Saturday, January 24, 2015 by Cathy*

**Geometry ques**

Find the area of the region bounded by C: y = tanx , tangent drawn at C at x = pie/4 and the x- axis.

*Saturday, January 24, 2015 by Shanu*

**Geometry**

P(2ap, ap^2) is a any point on the parabola x^2=4ay other than its vertex. The normal at P meets the parabola again at Q. Find the coordinates of Q.

*Saturday, January 24, 2015 by Shanu*

**geometry**

A 6ft tall man casts a 10ft shadow next to his 4ft tall daughter how long is her shadow ? I Don't Get The Question

*Friday, January 23, 2015 by Mercedes*

**geometry**

a pentagon with a perimeter of 45 feet

*Thursday, January 22, 2015 by robert*

**geometry**

The angle of elevation from L to K measures 24Â°. If KL = 19, find JL. Round your answer to the nearest tenth.

*Thursday, January 22, 2015 by SJRoyal*