Saturday

February 25, 2017
Number of results: 33,237

**geometry**

I need help on this homework question KL and KJ are opposites rays.Angle 1 is congruent to angle 2 and KM bisects angle NKL.If angle JKN=9x+5 and angle MKL=2x+3,what is angle MKN? Please help me....

*August 28, 2012 by Ian*

**math**

find the missing length of the right triangle the bottom number is 15 and the top angle is 17 i need to know how to find the left side of the angle?????help please

*October 23, 2009 by donavan*

**Geometry**

how to you solve: the radius of circle Z is 13.5 units long. Find the length of each arc for the given angle measure. if the angle measure is 120 degrees?

*April 19, 2011 by Rachel*

**physics**

A right triangle has a hypotenuse of length 2.00 m, and one of its angles is 24.0°. What are the lengths of the following sides? (a) the side opposite the 24.0° angle (b) the side adjacent to the 24.0° angle

*January 21, 2016 by john*

**geometry**

Find the length of a rectangle if its diagonal is 34 cm long and the angle the diagonal makes with the length is 27° 50'. (answer correct to the nearest centimetr) Thank you so much Could you be so nice and explain me ho I will count 27° 50'?

*May 25, 2012 by Lucas*

**Agent HELP! Trigonometry**

An isosceles triangle ABC has two sides 17cm in length and a base 10cm in length. Find the size of the angle between the equal sides.

*March 5, 2014 by Jnr John*

**Math**

Answer with Always, Sometimes or Never True. Kindly explain why so that I can understand. Thanks. 1. An interior angle and an exterior angle of a triangle are supplementary. 2. The bisector of an angle of an isosceles triangle is also a perpendicular bisector. 3. The sum of ...

*January 22, 2015 by Millie*

**trigonometry**

given triangle ABC with AB=7cm, BC=8cm and AC=9cm calculate 1. the size of the largest angle 2. the area of the triangle

*April 21, 2012 by lindsay*

**Calculus**

the measurement on one side of a right triangle is found to be 9.5 inches inches, and the angle opposite that side is 27 degrees,45' with a possible error of 15'. (round answers to two decimal places) a) Approximate the percent error in computing the length of the hypotenuse. ...

*April 4, 2013 by sancho*

**MAth**

the measurement on one side of a right triangle is found to be 9.5 inches inches, and the angle opposite that side is 27 degrees,45' with a possible error of 15'. (round answers to two decimal places) a) Approximate the percent error in computing the length of the hypotenuse. ...

*April 5, 2013 by jay*

**Calculus**

the measurement on one side of a right triangle is found to be 9.5 inches inches, and the angle opposite that side is 27 degrees,45' with a possible error of 15'. (round answers to two decimal places) a) Approximate the percent error in computing the length of the hypotenuse. ...

*April 5, 2013 by Jay*

**physics**

In Physics, it is important to use mathemat- ical approximations. For instance, in a small angle approximation, tan α ∼ sin α . Find the largest angle α for which the dif- ference of sin α − tan α is less than 3.52% of the sin α value.

*June 28, 2011 by ryan*

**AP CALC. AB**

Two sides of a triangle have lengths 13 m and 17 m. The angle between them is increasing at a rate of 5 degrees/ min. How fast is the length of the third side increasing when the angle between the sides of fixed length is 60 degrees/min? Round the result to the nearest ...

*November 29, 2014 by Jacke*

**trigonometry**

In the triangle ABC, the sides AB and BC have lengths 7cm and 8cm respectively, and angle B is obtuse. the area of the triangle is 14 root 3 cm^2. Find a.The size of angle B b. The length of AC

*May 3, 2012 by lindsay*

**College Physics**

A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a frictionless wall. Determine a formula for the minimum angle at which the ladder will not slip.

*April 20, 2013 by Andrew*

**maths**

In triangle ABC angle B > angle C if AM is the bisector of angle BAC and AN perpendicular BC. prove that angle MAN =1/2(angle B - angle C)

*August 23, 2011 by Anonymous*

**MATH GEO URGENT**

The ratio of three consecutive angles in a cyclic quadrilateral is 2:3:4. Find the largest angle of the quadrilateral, in degrees.

*May 31, 2014 by Anonymous*

**geometry**

is my answer correct, please? thanks very much M = measurement If M angle 1 = 60 degrees, then m angle 3 + m angle 5 = what is answer? i put 90 degree for angle 3 which is right angle + 60 degrees = 150 given: m angle 1 = m angle 5 in statements/reasons. diagram was + with ...

*June 20, 2012 by ann*

**Geometry**

Given: obtuse triangle ABC with obtuse angle B. Point D on side AC such that angle BDC is also obtuse. Angle DAB is 2/3 of angle ABD. Angle BCD is 1/5 angle BDC and angle CBD is 4 more than angle BAD. What is the measure of angle ABC?

*December 12, 2010 by Kathy*

**Chemistry**

Doing some homework, are my answers right? HCN= Polar HCOOH= Polar H2CCCH2= Nonpolar Out of the following elements: Na, H, and Au order them least to greatest in the following: Eletronegativity= Na is smallest, H is second, Au is largest Ionization Energy= Na is smallest, Au ...

*April 3, 2014 by Matthew*

**geometry**

obtuse triangle ABC with obtuse angle B. Point D on side AC such that angle BDC is also obtuse. Angle DAB is 2/3 of angle ABD. Angle BCD is 1/5 of angle CBD is 4 more than angle BAD. Find the measure of angle ABC.

*November 30, 2010 by suzy*

**Geometry**

Two lines intersect so that angle 1 and angle 3 are vertical angles, angle 2 and angle 4 are vertical angles, and angle 1 and angle 2 form a linear pair. how do you slove for x and find the measure of all the angles when angle 2= x sqaured -3x and angle 4= 6x=10 please help it...

*September 14, 2015 by Laura*

**calculus 1**

If you can program a calculator or computer, estimate the length of the curve f(x) on the given interval using largest n's. f(x)=56cos(x), for x is greater than/equal to 0 and x is smaller than/equal to pi/2.

*August 27, 2012 by amanda*

**Acc Algebra 2**

The length, width, and height of a rectangular box are consecutive integers, and the largest dimension is k cm. find the volume V of the box (Hint: V= lwh)

*September 2, 2013 by Jack*

**math**

I have 14 questions and I was wondering if someone could check my answers. This is a do or die situation. If I don't get an A, I may not get to graduate. I really appreciate you taking your time to double check theses for me. Thanks if you do. I know its a lot. They are all ...

*April 2, 2011 by Brittany*

**chemistry**

Determine the radius of the largest atom that can be accommodated in the interstices of BCC iron (Fe) without stress. (Hint: the center of the largest site is at ½, ¼, 0; draw a unit cell - it helps.)

*April 3, 2013 by adex*

**chemistry**

Determine the radius of the largest atom that can be accommodated in the interstices of BCC iron (Fe) without stress. (Hint: the center of the largest site is at ½, ¼, 0; draw a unit cell - it helps.)

*April 4, 2013 by adex*

**math**

One of the world's largest stained-glass windows is at Kennedy International Airport in New York. It is a rectangle with a height to length ratio of 2 to 25. If the window is 24 feet high, how long is it?

*March 18, 2008 by Jeanette*

**MATHS**

In a triangle ABC, angle B> angle C. If AM is the bisector of angle A and An is perpendicular to BC. Prove that angle MAN=1/2(angle B-angle C).

*June 14, 2015 by AISHA*

**Math**

Prove that angle a is equal to angle E if angle D is equal to angle c Science I can't put the picture of the triangle I will try and explain it Two triangles that connect on one angle >< like this but a triangle and the angle in the middle ^ ( the angle that has the ...

*October 29, 2016 by Ali*

**geometry**

Emma has 26 feet of fence. She wants to make the largest rectangular area possible for her rabbits to play in. What length should she make each side of the rabbit pen?

*November 17, 2010 by Jeremy*

**Mechanics for A-level**

An object of mass 50kg rests on a rough plane inclined at an angle z to the horizontal. It is supported in this position by a light string parallel to the plane which is attached to the object and fixed to a point at the top of the plane. The string has a breaking strain of ...

*April 5, 2012 by Bob*

**science**

what combination of mediums will produce a stright line of light? how do you correct for hyperopia? how do you correct for myopia? what kind of people have an astigmatism? what part of the eye act as a lens and what part acts as a screen? how do different types of lenes bend ...

*March 3, 2013 by lily*

**Trig**

A tree is growing at an angle out of the ground, 15°17' from vertical. Standing 10 feet away from the base, the angle to the top of the tree is 25°17'. What is the length of the tree?

*May 20, 2011 by Anonymous*

**math help**

An engineer is required to survey a nonrectangluar plot of land but is unable to measure side UT directly. The followng data are taken; RU=130 meters, RS=12m ST=90m, angle RST=115, and angle RUT=100. Calculate the length of side UT and the area of the plot. The picture is a ...

*January 12, 2008 by julie*

**ph**

A spring (70 {\rm N/m}) has an equilibrium length of 1.00 {\rm m}. The spring is compressed to a length of 0.50 {\rm m} and a mass of 2.1 {\rm kg} is placed at its free end on a frictionless slope which makes an angle of 41 ^\circ with respect to the horizontal. The spring is ...

*November 1, 2010 by Anonymous*

**ph**

A spring (70 {\rm N/m}) has an equilibrium length of 1.00 {\rm m}. The spring is compressed to a length of 0.50 {\rm m} and a mass of 2.1 {\rm kg} is placed at its free end on a frictionless slope which makes an angle of 41 ^\circ with respect to the horizontal. The spring is ...

*November 1, 2010 by Anonymous*

**Melanie**

A right triangle has a hypotenuse of length 13 meters and one side of length 5 meters. What is the length of the third side and the angle between the hypotenuse and the 5 meter side? A. 144 meters, 67.38 degrees B. 12 meters, 22.62 degrees C. 10 meters, 22.62 degrees D. 12 ...

*January 19, 2013 by Physics*

**calculus**

An open box of maximum volume is to be made from a square piece of cardboard, 24 inches on each side, by cutting equal squares from the corners and turning up the sides to make the box. (a) Express the volume V of the box as a function of x, where x is edge length of the ...

*March 27, 2011 by Anonymous*

**8 th grade math**

perimeter of rectangular is 32 in .what are the length and width that will give the rectangle the largest possible area 4in,x12in. 5in.x11 in. ,7in. x9in. ,8in x8in. i answered 8x8

*May 14, 2012 by Anonymous*

**precalculus**

Find all solutions of the system of equations. Order your answers from smallest to largest x, then from smallest to largest y.) x^2 + y2= 53 x2− y2= 3

*December 1, 2012 by amaa*

**math**

the length of a rectangle exceed its breadth by 4cm.if length and breadth are incresed by 3cm the aera of the new reactangle will be 81cm more then that of the given reactngle.then a)length of the given rectangle is? b)breath of the given rectangle is? c)area of new angle is?

*November 2, 2014 by surya*

**Math**

A capybara is the worlds largest rodent . It can grow to be 1 3/10 m long. Write an improper fraction that represents the length of the capybara? Please show work of how you got answer. Thanks

*November 5, 2012 by Jennifer*

**physic**

A spring (80 {\rm N/m}) has an equilibrium length of 1.00 {\rm m}. The spring is compressed to a length of 0.50 {\rm m} and a mass of 2.1 {\rm kg} is placed at its free end on a frictionless slope which makes an angle of 41 ^\circ with respect to the horizontal. The spring is ...

*August 28, 2010 by fatiey*

**physic**

A spring (80 {\rm N/m}) has an equilibrium length of 1.00 {\rm m}. The spring is compressed to a length of 0.50 {\rm m} and a mass of 2.1 {\rm kg} is placed at its free end on a frictionless slope which makes an angle of 41 ^\circ with respect to the horizontal. The spring is ...

*August 28, 2010 by fatiey*

**MONGU COLLEGE**

In a single swing pendulum moves through an angle of 1.92 Radian. (a). Determine the length of arc treated by the pendulum Bob. (b). The area of the sector if the length of the pendulum is 13.2cm.

*February 28, 2013 by barotseland network*

**MONGU COLLEGE**

In a single swing pendulum moves through an angle of 1.92 Radian. (a). Determine the length of arc treated by the pendulum Bob. (b). The area of the sector if the length of the pendulum is 13.2cm.

*February 28, 2013 by barotseland network*

**math**

the perimeter of a triangle is 23 cm. all side lengths are integers. if one side measures 5cm, what is the length of the largest possible side?

*January 8, 2017 by joe gorini*

**calculus**

A rectangle is to be inscribed under the arch of the curve y=4cos(.5x) from x=-pi to x=pi. What are the dimensions of the rectanlge with the largest area and what is the largest area? please explain.

*November 15, 2008 by sylvia*

**math**

97 is the largest prime less than 100. What is the largest prime factor of 97! (97 factorial)? (Reminder: The number n! is the product of the integers from 1 to n. For example, 5!=5*4*3*2*1= 120.)

*April 19, 2016 by francis*

**math pls**

The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P. (d) Find the sizes of the other two angles of triangle PQR. (e) Find the length of the median drawn to side PQ. (f) Find the length of the bisector of angle R. (g) ...

*April 21, 2010 by Maryann*

**geometry/math pls help**

The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P. (1) Find the sizes of the other two angles of triangle PQR. (2) Find the length of the median drawn to side PQ. (3) Find the length of the bisector of angle R. (4) ...

*April 21, 2010 by Maryann*

**maths**

A rectangular piece of wood measures 3.48m by 2.28m. Ali wishes to cut squares of the largest possible size from it without any leftover. What is the length of each square piece?

*April 16, 2012 by ssssss*

**Physics**

A uniform ladder of mass m = 6.5 kg and length l = 2.1 m leans at an angle against a frictionless wall, Fig. 12-72. If the coefficient of static friction between the ladder and the ground is µs = 0.3, what is the minimum angle at which the ladder will not slip?

*March 15, 2014 by Anonymous*

**Math**

Name a pair of complementary angles. (1 point) angle sign1 and angle sign4 angle sign1 and angle sign6 angle sign3 and angle sign4 angle sign4 and angle sign5 2. If m 1= 53 what is m<4. 53 43 37 27 3. If m 1= 55 what is m<5 55 40 35 25

*December 7, 2015 by Help*

**Trig**

Find the radian measure of the central angle of a circle of radius r that intercepts an arc of length s.? Radius, r=16 ft Arc length, s=10 ft

*May 18, 2012 by Sue*

**Math**

In a triangle ABC,AB=5cm,BC=12cm,angle ABC=90Â°calculate 1)the length of AC. 2)the area of the triangle 3)the length of the perpendicular from B to AC

*January 11, 2017 by Anonymous*

**Maths**

A courtyard is in the shape of a rectangle of length 11.2 and 7.2 breadth.find the measure of the largest square shaped tile that can be used (in the whole),to cover the courtyard completely ..how many tiles are needed for purpose.

*May 28, 2016 by Moha*

**Math**

There's a right triangle. There's an angle that measures 41 degrees. The hypotenuse is x, and the angle opposite 41 degrees measures 25 in length. How can I find what x is? The proportion set up is 25/x, but how do you solve for x?

*May 11, 2009 by Angie*

**physics**

) A uniform ladder of mass m and length leans at an angle against a frictionless wall. If the coefficient of static friction between the ladder and the ground is determine a formula for the minimum angle at which the ladder will not slip.

*November 6, 2013 by emy*

**geometry**

Triangle PEA has a 20-degree angle at P and a 120-degree angle at E, and the length of side EA is 6 inches. Find the lengths of the other two sides of this triangle.

*April 12, 2010 by Beatrice*

**Algebra 1**

A right triangle has a 40 degree angle. The hypotenuse is 10cm long. What is the length of the side opposite the 40 degree angle? I got 6.4cm but not sure of how I got it.

*April 2, 2015 by Steve*

**trig**

a central angle intercepts an arc on a circle equal in length to the diameter of the circle. find the measure, in radians, of the central angle.

*February 6, 2014 by Anonymous*

**geometry**

triangles ABC and XYZ are congruent. Angle A is one half the size of angle B. Angle Y is 90 degrees. Angle C and angle Z are both 45 degrees. what is the measure of angle A.

*March 1, 2011 by Nana*

**Geometry**

answer to a two column proof problem such as Given: angle 1 and angle 5 are congruent and angle 5 is congruent to angle 4 prove angle 3 is comgruent to angle 1

*October 26, 2011 by mea*

**math**

if triangles abc and xyz are congruent. angle a is one half the size of angle b. angle y is 90 degrees. angle c and angle z are both 45 degrees. what is the measure of angle a?

*March 26, 2012 by steve*

**Geometry**

14. Complete the paragraph proof Given: angle 1 and angle 2 are supplementary, and angle 2 and angle 3 are supplementary. Prove angle 1 is congruent to angle 3 Does anybody know this question?? I need help please!

*September 17, 2015 by dez*

**physics**

If a rod is moving at a velocity equal to 1/2 the speed of light parallel to its length, what will a stationary observer observe about its length? The length of the rod will become exactly half of its original value. The length of the rod remains the same. The length of the ...

*October 22, 2012 by laurie*

**Math**

Kay wants to know the length of large pond on property. One stake is at 50m with an angle of 21 degrees. The 65m from the other end of the lake and the angle is 26 degrees. How long is pond?

*January 16, 2017 by Stephanie*

**Math**

1. A gardener has 140 feet of fencing to fence in a rectangular vegetable garden. Find the dimensions of the largest area he can fence. Find the possible rectangular area he can enclose. 2. Suppose a farmer has a large piece of land and he wants to make a rectangular fence for...

*August 13, 2014 by Regina*

**trigonometry**

please check my answers. 1.Find the area of the sector of a circle. r=11.8cm, theta-pi/7 radians I got 31.2cmsquared 2.Find the radius of a circle in which a central angle of pi/6radian determines a sector of area 76square meters. I got 17.03m 3.Find the measure(in radians) of...

*January 7, 2009 by y912f*

**physics**

A uniform ladder of mass m and length L leans at an angle θ against a frictionless wall. If the coefficient of static friction between the ladder and the ground is 0.43, what is the minimum angle at which the ladder will not slip? Do i use the equation Fn- Mg= 0

*January 17, 2011 by Sydney*

**mathematics**

Find the smallest prime number N such that the following is true: The largest prime factor of N−1 is A; The largest prime factor of A−1 is B; The largest prime factor of B−1 is 7.

*April 21, 2013 by Sambaran G.*

**Math**

Find the smallest prime number N such that the following is true: The largest prime factor of N−1 is A; The largest prime factor of A−1 is B; The largest prime factor of B−1 is 7.

*April 25, 2013 by Zeneth*

**physics**

A mass is hung from a beam of weight 2.0 N and length 81 cm. The tension and angle of the cable supporting the beam is 5.0 N at an angle of 40° from the horizontal. Using torques produced calculate the value of the unknown mass.

*November 24, 2009 by Allie*

**math**

In a circle with a radius of 5cm and is centered at point O, angle AOB intercepts arc AB. Arc AB has a length of 10cm. What is the degree measure of angle AOB? Round to the nearest hundredth.

*April 29, 2015 by kathy*

**math**

Can someone please take a look at these results and make sure they're correct? Thank you! 5. The Leaning Tower of Pisa leans toward the south at an angle of 5.5 degrees. One day near noon its shadow was measured to be 84.02m long and the angle of elevation from the tip of the ...

*January 19, 2011 by PLEASE CHECK MY ANSWERS*

**Math**

We want to construct a closed rectangular box whose base has a length three times the width. The surface area has to be 600 cm2. Determine the dimensions of the box that will produce the largest volume.

*December 20, 2016 by R*

**Foley**

Math angle 1 is complementary to angle 2. angle 2 is supplementary to angle 3 equal to 126 degrees. find measure angle one

*October 2, 2015 by Maddie*

**math - trig**

1.Which angle measure is consistent with all of the following criteria? (i) The reference angle is 40°. (ii) The angle is more than one revolution. (iii) The angle's terminal side is in Quadrant II. (iv) The angle isn't positive. A. –580° B. –500° C. –220° D. 500° 2...

*April 28, 2012 by Anonymous*

**Yorktwon**

Use a straightedge and a compass to construct a triangle with 2 sides having the same length. Describe the process you used. Now use a protractor to measure each angle of the triangle. What are the measures of each angle?

*February 17, 2012 by Anonymous*

**math**

jacob is buying the grass seed shown at the right. Estimate the side length of the largest square jacob could seed if he purchases 5 bag

*September 18, 2012 by Ekie*

**trig**

Find the length of side b to the nearest whole number if side a=105,angle A=65 degrees and angle B=37 degrees?

*January 25, 2012 by hd*

**Geometry**

If [angle]D is a right angle and lines PN, FG, and BD are parallel to each other, prove [angle]SPN ~ [angle]SFG ~ [angle]SBD

*June 10, 2010 by Shadi*

**Physics - Equilibrium**

A uniform ladder of mass M and length L leans at an angle theta against a frictionless wall. If the coefficient of static friction between the ladder and the ground is U, determine a formula for the minimum angle at which the ladder will not slip.

*April 18, 2008 by Nik*

**physics**

a uniform ladder of mass m and length l leans against fricitonless wall angle theta. If the coefficient of static friction between the ladder and the ground is u, find the formula for the minimun angle such that the ladder won't slip

*November 30, 2012 by ashley*

**Math help**

I am so lost I have a problem. Two congruet figures. First trapezoid: 1 side b is 10 1 short base prarallel 6 Angle D 86 degrees Angle C 41 degrees Angle B ? Angle A ? Other angle J is 133 degrees Angle M ? Angle K ? Side d leg 17 Angle L ? long Base parallel 16 I know this is...

*April 16, 2013 by Corey*

**maths**

Triangle ABC has side lengths a,b and c. If these lengths satisfy a^2=a+2b+2c and −3=a+2b−2c, what is the measure (in degrees) of the largest angle?

*April 25, 2013 by maths lover*

**Math7**

poul has 124.8m of encing to build a rectangular pen. He wants the pen to have the largest possible area. Calculate the length and width of the pen to one decimal place. I don't get it at all

*January 10, 2011 by Komal*

**Math**

Gina has 24 feet of fence, she wants to make the largest rectangular area possible for her rabbit to play in , what length should she make each side of the rabbit penn?

*May 14, 2014 by Bakare Olanrewaju*

**Vectors**

A triangle has vertices A(2,3,7), B(0,-3,4) and C(5,2,-4) A) determine the largest angle in the traingle b) determine the area of of the triangle pls tell me how to solve the problem

*May 14, 2010 by Marie*

**Social Studies**

Congo and Gabon won their independence from what European country? What west african country has the largest population in africa? What is nigeria's major mineral resource and largest export (same thing)?

*April 8, 2008 by Lauren*

**Algebra**

John wants to build a corral next to his barn. He has 300 feet of fencing to enclose three sides of his rectangular yard. a. What is the largest area that can be enclosed? b. What dimensions will result in the largest yard?

*September 20, 2010 by Roger*

**Math**

John wants to build a corral next to his barn.He has 300 feet of fencing to enclose three sides of his rectangular yard. a. What is the largest area that can be enclosed? b. What dimensions will result in the largest yard?

*September 20, 2010 by Roger*

**Question**

What does this mean? Chilean, Colombian, and Peruvian stock exchanges integrate to create Latin America's largest stock exchange in terms of companies listed and the second largest by market capitalization

*November 21, 2010 by Sarah*

**chemistry**

Determine the radius of the largest atom that can be accommodated in the interstices of BCC iron (Fe) without stress. (Hint: the center of the largest site is at ½, ¼, 0; draw a unit cell - it helps.) Radius (in centimeters):

*April 2, 2013 by adex*

**Math**

Bottom part of the greenhouse has a length of 350 cm, width of 220 cm, angle at the peak of the roof measures 90 degrees. Sketch the frame and label it with actual dimensions. Use trigonometry to find length of the roof pieces. Use a scale of 1:25 to calculate measurements for...

*January 14, 2013 by Anonymous*

**math**

A large field measures 70 feet by 525 feet. If you divide it up into equal square garden plots , what size would the largest possible plot be with the sides of whole number length?

*August 18, 2015 by Jadon*

**Geometry**

Given: angle ABD is a right angle , angle CBE is a right angle. Prove: angle ABC is congruent angle DBE

*September 29, 2011 by Sam*

**math**

if p has coordinates (x, y) and is located on the unit circle, what is the highest value that the x-coordinate can take? Hence, what is the largest value that the cosine of an angle can take?

*May 24, 2008 by kim*