Wednesday

July 23, 2014

July 23, 2014

Number of results: 66,129

**trigonometry**

From a point 150 ft from the base of a building the top and the base of a flagpole on a roof edge have angles of elevation of 27degrees49' and 21degrees42' respectively. Find the height of the pole.
*January 6, 2014 by nina*

**Math**

If the hypotenuse of a right triangle is 13 and one of its legs is 5, find the area fo the triangle. Answer Choices 20 40 45 30 25 I know a hypotenuse the side of a right triangle opposite the right angle. You can't multiply the hypotenuse with one of the legs.
*August 20, 2009 by Sahana Epari*

**math**

in a triangle, the measure of the first angle is twice the measure of the second.the measure of a third triangle is 64 degrees more than athe measure of the second angle. Use the facts that the sum of the measures of the three angles of a triangle is 180 degrees to find the ...
*March 13, 2013 by brittany*

**pre calc**

the longest side of a triangle is 34 feet. the measures of two angles of the triangle are 40 and 65 degrees. find the lengths of the other two sides using law of sines and cosines
*April 28, 2011 by g*

**precalc help**

Find the exact value without a calc 1. log base 3 of 8 times log base 8 of 9. I started by changing both bases to 10 but dont know what to do from there. 2. e ^ log base e^2^9. I hope that isnt confusing. My teacher said we are suppose to get the bases all e, but how because ...
*November 21, 2012 by Rebekah*

**math **

bedroom shaped like a right triangle with base 4.8 meters and height 5.2 meters. how much carpet will she need.
*March 21, 2013 by Anonymous*

**Math**

Which function rule can be used to represent the area of a triangle with a base b 8 in. longer than twice the height h in terms of the height?
*January 8, 2014 by Shakira*

**Math**

Which function rule can be used to represent the area of a triangle with a base b 8 in. longer than twice the height h in terms of the height?
*January 12, 2014 by Samantha*

**Chemistry130**

Can someone please help me with this? Are these substances acids or bases? 1. Tums- Base, right? 2. Vitamin C- Acid, right? 3. Nail Polish Remover- Base or Acid? 4. Coca Cola Pop- Acid, right? 5. Cream of Tarter- Acid, right? 6. Calamine Lotion- Base or Acid? 7. Lemon Juice- ...
*October 13, 2009 by Adam*

**math**

if the pre-image's perimeter was 104 units, what is the images's perimeter
*May 19, 2013 by tom*

**perimeter understanding**

What is the perimeter of the quadrilateral rectangle with. 25cm up and down and 8 cm across
*August 29, 2013 by azionte*

**Math**

Of all rectangles that can be formed from thirty 4 x 4 squares, the one with the greatest perimeter has a perimeter of -----------?
*May 14, 2010 by Max*

**math**

Give 5 possible dimensions for the following rectangle with the perimeter given. Perimeter= 12x+20
*January 10, 2011 by m*

**geometry**

A polygon has a perimeter of 13 cm. What is the perimeter of its image after a size transformation with a scale factor of 3? Why?
*April 28, 2011 by Kasey*

**Geometry HOMEWORK HELP ME PLEASE!**

Draw the triangle with vertices D(-2,1), U(4,9), and E(10,1) On a Graph. 2. Find DU, UE, AND DE. (Distance) 3. Classify Triangle DUE by its sides. 4. Write the standard form of the equation of each line: DU, UE, and DE.Also, find the slode and then the y-intercept. Start with ...
*March 20, 2008 by Brian*

**math**

Convert the base-ten number to a numeral in the indicated base. 329 to base six
*July 20, 2009 by sarah*

**math**

need help to volume of the bird seed with base 6 cm and from base to cylinder 40 cm then base to tip of cone 50 cm
*November 29, 2009 by Anonymous*

**Calculus**

A rectangular storage container with an open top is to have a volume of 10m^3. The length of its base is twice the width. Material for the base costs $3 per m^2. Material for the sides costs $10.8 per m^2. Find the dimensions of the container which will minimize cost and the ...
*March 6, 2013 by Travis*

**math**

Suppose the area of a rectangle is 36 square inches. Find the Minimum perimeter for a rectangle with this area. Please help asap. Thank you! (so much) We know that A=l*w=36 and P=2(l+w) From the area formula we see that l=36/w Putting this into the perimeter formula we get P=2...
*August 31, 2006 by l*

**Calculus**

Let R be the region enclosed by the graphs y=e^x, y=x^3, and the y axis. A.) find R B.) find the volume of the solid with base on region R and cross section perpendicular to the x axis. The cross sections are triangles with height equal to 3 times the length of their base.
*May 13, 2014 by Michelle*

**Math Perimeter**

Draw a figure with the given perimeter, 10 units.
*February 25, 2013 by Sharon*

**Math**

The perimeter of rectangle P is 12 feet. The perimeter of rectangle Q is 18 feet. Both rectangles have the same area.Find the area and dimensoin of each rectangle.
*April 20, 2011 by Sarah*

**math**

a rectangle has a length of 13 units. the perimeter of a rectangle is twice its length. complete the table to find the perimeter of the rectangle if its width is 5,6,7 or 8 units wide
*March 23, 2013 by taffy*

**Math ----- Calculus -- Word Problem**

A cylinder is to be constructed so that its height plus the perimeter of its base must equal to 2pi cm. Find the ratio of the radius of this cylinder to its height if it is to have a maximum volume. My work: SA = 2pirh + 2pir^2 2pi = 2pirh + 2pir^2 0 = 2pirh + 2pir^2 - 2pi h...
*June 3, 2008 by Anonymous*

**calculus**

A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base with a speed of 24 ft/s. a.) At what rate is his distance from second base decreasing when he is halfway to first base? b.) At what is his distance from third base increasing at ...
*October 22, 2012 by Dominic *

**Math**

The length and width of a rectangle are (x+4)cm and xcm respectively. Write down expressions for: A. The perimeter of the rectangle B. The length of the side of a square with the same perimeter If the sum of the areas of the square and the rectangle is 94cm(square), find x Pls...
*October 24, 2011 by Ghiffari*

**Algebra**

The flower garden has the shape of a right triangle. 5ft of a perennial border forms the hypotenuse of the triangle, and one leg is 1ft longer than the other leg.Find the lengths of the legs.
*November 9, 2011 by Kelly*

**maths-urgently needed**

In right angled triangle ABC angle B=90 degree and AB= root 34 unit. The coordinates of point B and Care (4,2)and (-1,y) respectively. If area of triangle ABC = 17 sq.units, then find value of y.
*February 12, 2013 by Anonymous*

**math12A TRIG pleas help**

a farmer wishes to fence a field in the form of a right triangle.If one angle of the right triangle is 43.2 degree and the hypotenuse is 200yard,find the amount of fencing needed.
*February 20, 2014 by Anonymous*

**MATHS-traingles**

one of the exterior angles of a triangle is 126 degree and the interior opposite angles are in the ratio 2:4. Find the angles of the triangle.
*March 2, 2013 by anchal*

**Algebra 1**

1) Find the possible values of a, if the distance between the points is 5, and the coordinates are (1, 1) and (4, a). I don't know how to solve this one. 2) in a right triangle the length of the hypotenuse is 14 and the length b of one of the legs is 8. find the length a of ...
*May 31, 2013 by Eri*

**11th grade math**

in triangle DEF,<D=50 degree, DE=14 meters, and DF=10 meters. find the area of triangle DEFto the nearest tenth of a square meters
*April 7, 2013 by Alex*

**calculus**

The base of a certain solid is the triangle with vertices at (-10,5), (5,5), and the origin. Cross-sections perpendicular to the y-axis are squares. What is the volume of the solid?
*December 15, 2010 by Anonymous*

**calculus**

The base of a certain solid is the triangle with vertices at (-10,5), (5,5), and the origin. Cross-sections perpendicular to the y-axis are squares. What is the volume of the solid?
*December 15, 2010 by Anonymous*

**arithmetic**

The base of a solid right prism is a triangle whose sides are 9cm,12cm and 15 cm.the total surface area of the prism.
*August 30, 2011 by niraj*

**Calculus**

The base of a certain solid is the triangle with vertices at (-14,7),(7,7) and the origin. Cross-sections perpendicular to the y-axis are squares. What is the volume of this solid?
*January 30, 2013 by tyson*

**Math**

Convert the base-ten number to a numeral in the indicated base. 15 to base two
*November 20, 2009 by Katey*

**math**

Convert the base-ten number to a numeral in the indicated base. 40 to base two
*January 24, 2011 by Ana*

**basic geometry**

these is my homework, and I would like for some to tell me if I did rigth. 10. A rentangle has width the same as a side of a square whose perimeter is 20m. the length of the rectangel is 9 M. Find the perimeter of this rectangle. W=L+20m 2L+w=9 2L+2w(w-18)=84 2L+2w-18=84 4L+18...
*March 14, 2007 by vero*

**Math Algebra**

A 10 foot ladder is to be placed against the wall, the base of the ladder must be placed at an angle of 72 degrees with the level ground for secure footing find to the nearest in how far the base of the ladder should be from the wall the ladder will reach? base distance= 10 ...
*March 7, 2007 by Noelia*

**Math**

in triangle DEF,<D=50 degree, DE=14 meters, and DF=10 meters. find the area of triangle DEFto the nearest tenth of a square meters
*April 7, 2013 by Alex*

**Math**

1. What is the area of triangle ABC if a = 47.0°, β = 57.8°, and a = 10.2 cm? A. 58.2 cm2 B. 43.5 cm2 C. 38.4 cm2 D. 33.3 cm2 2. Given triangle ABC with β = 41°, g = 14°, and a = 5.0, find the value of c. A. 6.2 B. 4.0 C. 1.5 D. 17 3. Resolve the vector, v, with ...
*November 28, 2012 by Erick*

**trigonometry**

1. What is the area of triangle ABC if a = 47.0°, β = 57.8°, and a = 10.2 cm? A. 58.2 cm2 B. 43.5 cm2 C. 38.4 cm2 D. 33.3 cm2 2. Given triangle ABC with β = 41°, g = 14°, and a = 5.0, find the value of c. A. 6.2 B. 4.0 C. 1.5 D. 17 3. Resolve the vector, v, with ...
*November 28, 2012 by Erick*

**Trigonometry**

1. What is the area of triangle ABC if a = 47.0°, β = 57.8°, and a = 10.2 cm? A. 58.2 cm2 B. 43.5 cm2 C. 38.4 cm2 D. 33.3 cm2 2. Given triangle ABC with β = 41°, g = 14°, and a = 5.0, find the value of c. A. 6.2 B. 4.0 C. 1.5 D. 17 3. Resolve the vector, v, with ...
*December 2, 2012 by Erick*

**Trigonometry**

1. What is the area of triangle ABC if a = 47.0°, β = 57.8°, and a = 10.2 cm? A. 58.2 cm2 <----------- B. 43.5 cm2 C. 38.4 cm2 D. 33.3 cm2 2. Given triangle ABC with β = 41°, g = 14°, and a = 5.0, find the value of c. A. 6.2 B. 4.0 C. 1.5 <---------- D. 17 3. ...
*December 3, 2012 by Erick*

**MATH**

what is the relationship between the perimeters of the triangles A. They are equal. B.The perimeter of DEF is 11 times greater than the perimeter of JKL. C. The perimeter of JKL is 11 times greater then DEF. D. The perimeter of JKL is 121 times greater that DEF.
*June 13, 2012 by Katie*

**Update**

what is the relationship between the perimeters of the triangles A. They are equal. B.The perimeter of DEF is 11 times greater than the perimeter of JKL. C. The perimeter of JKL is 11 times greater then DEF. D. The perimeter of JKL is 121 times greater that DEF.
*June 13, 2012 by Katie*

**geometry**

the perimeter of a triangle is 48 cm. The length of one side is 7 cm more than the length of the shortest side, and the length of the other side is 5 more than twice the shortest side. Find the shortest side.
*April 8, 2011 by Anonymous*

**Math**

I have a triangle with one side 2y^2-3, a side with 2y^2+y+5, and the other side y^2+y+5. I had to write expression and simplify. This is what I got: (2y^2-3)+(y^2+y+5)+(2y^2+y+5) =5y^2+2y+7 I now have to determine the perimeter if y=3cm. I don't know how to do thus part ...
*January 28, 2014 by Cherie*

**Geometry**

The Z company specializes in caring for zebras. They want to make a 3-dimensional "Z" to put in front of their company headquarters. The "Z" is 15 inches thick and the perimeter of the base is 390 inches. What is the lateral surface area of this "Z"?
*March 12, 2013 by Eddie*

**calculus**

find the volume of the solid whose cross section is perpendicular to the x axis from isosceles right triangles and has a leg that run from the lines y=-x to the line y=.5x
*April 11, 2011 by Eli*

**chem**

Ok so i looked at it and tried to figure out the conj. base and acid. Are these right? 1) S2-(aq) + HCl(aq) <=>Cl1-(aq) + HS1-(aq) This is what I think it is: Acid = HCl Base = S^2- Conjugate acid =HS^1- Conjugate base = Cl^1- 2) H2O2(aq) + PO43-(aq) <=>HPO42-(aq...
*January 29, 2012 by Erik*

**MATHS-geometry**

how do you draw an obtuse angle triangle, construct the perpendicular bisector of each side Draw a triangle with one angle greater then 90 degrees. Find the midpoint of each side. Then draw a perpendicular to each side at each midpoint. The three lines may intersect OUTSIDE ...
*June 3, 2007 by NIcole*

**arithmetic**

james has a metal fame with an 8.32 inch perimeter. if the sides are .04 inches thick, what is the perimeter of the inside of the frame
*September 13, 2010 by natasha*

**Perimeter**

A rectangle has a perimeter of 12m. If each side is a whole number of meters, what are the possible dimensions for the length and width?
*February 8, 2012 by Jackie*

**algebra**

A square and a rectangle have the same perimeter. The length of the rectangle is 4cm less than twice the side of the square, and the width of the rectangle is 6 cm than the side of the square. find the perimeter of each figure
*January 1, 2009 by ???E*

**PreCalc**

Hello and Happy Halloween! Trying to get this problem and could use some help. Find the dimensions of the rectangle with minimum perimeter if its area is 400 square meters. Find the least perimeter. I know that a rectangle has two sides that are equal and two other sides that ...
*October 31, 2009 by Muffy*

**Math**

Convert the base-ten number to a numeral in the indicated base. 503 to base five A) 3040five B) 4030five C) 3004five D) 4003five
*May 18, 2010 by Annonom*

**Math**

Convert the following base-ten numbers to a numerical in the indicated bases: a. 303 in base three b. 1876 in base twelve
*January 28, 2012 by Heather P.*

**3rd grade**

use the grid. draw two different figures that each have a perimeter of 14. find each area. question 2. draw a figure with the given perimeter of 10 units and 22 units. question 3. explain why it would be important to know the area of a room that new furniyure will be going into.
*March 9, 2010 by Kainalu Mauga*

**maths**

A) Sam jogs 6 laps around a circular running track which has a radius of 30 meters. How far does she jog in total? B)Tom and Jerry decide to find the perimeter of their garden. Tom measures the length as 5.2 meters while Jerry measures the width as 370cm. What is the perimeter?
*February 24, 2011 by Anonymous*

**math**

i have 2 math questions i dont understand so if you could help me i would like that. Log base 3 64-log base 3 (8/3)+log base 3 2=log base 3 4r Log base 6 (b^2+2)+logbase6 2=2
*February 10, 2008 by Jz*

**Repost- Calculus; someone please help**

Please help out. Thank you. A right triangle has one leg on the x-axis. The vertex at the right end of that leg is at the point (3,0). The other vertex touches the graph os y=e^x. the entire triangle is to lie in the first quadrant. Find the maximum area of this triangle....
*February 9, 2011 by Amanda E.*

**math**

In the triangle ABC ,AB=11 cm ,BC=9cm an CA=10 cm..Find area of the triangle ABC
*October 10, 2011 by Anonymous*

**Geometry**

ABCD is an isosceles trapezoid. Angle CDA = 80. Find the measure of angle BAD.
*July 11, 2011 by Cookie*

**math,correction**

Simplify by combining like terms. Problem #32 radical (63) - 2 radical (28) + 5 radical (7) My answer: 4radical(7) Problem #50 Find the perimeter of the triangle shown in the figure. leg 1 = radical (5) - radical (3) leg 2= radical (5) + radical (3) Hypotenuse= 4 My answer: p...
*March 21, 2007 by jasort20*

**geometry**

the area of a parallelogram is 507 square cm, and its height is three times its base. find the base and the height.
*January 13, 2011 by Anonymous*

**Math Help**

The base of a trianglr is 8cm greater then the hight. the area is 64cm ^2 find the hight and the length of the base.
*October 12, 2011 by Katie A*

**trig**

two intersecting sides are 250ft and 170ft, angle between is 55 degrees. use the 250ft side as the base, what is the height of the triangle
*October 8, 2012 by Anonymous*

**Math**

The base of a mid pyramid is triangle whose length of 3 sides are 28cm,25cm and 17cm. If the volume of pyramid be 1120 cu.cm then what will be its height
*March 3, 2013 by Dwaz*

**math**

The lengths of the sides of a triangle are 4in.,14 in., and 16 in.If the longest side of a similar triangle measures 40 in., what is the length of the shortest side of this new triangle?
*November 9, 2010 by Anonymous*

**Math**

Right Triangle one leg is 400ft. long. The hypotenuse of the triangle is 200ft. longer than the other leg. What is the dimensions of this triangle?
*July 22, 2012 by Wanda*

**math**

in an equilateral triangle ABC,O is any point in the interior of the triangle.From O perpendiculars are drawn to the sides.prove that sum of these perpendiculars is constant for any triangle
*December 2, 2012 by Anonymous*

**math**

A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? Can someone plz help i don't understand this question.
*November 25, 2012 by Hager*

**Math Base**

Convert the number to the indicated base. 53six to base three
*March 14, 2010 by Tyga*

**Math **

Determine the number of triangles that could be drawn with the given measure. Then, find the measures of the other angles and the other side in each possible triangle. Round side lengths to the nearest tenth of a unit and angle measure to the nearest tenth of a degree, where ...
*June 10, 2014 by Han*

**Math - Bases**

What is 12 base 5? Would you just divide 12 by five and get 2 (but then what about the remainder) If you are refering to logs, 12 base 5 means log of 12 to the base 5. Call it x. 5^x = 12. x = log 12/log 5 (any log base can be used) x = 1.07918/0.69897 = 1.54396 If "5" is ...
*October 29, 2006 by Laura*

**geometry**

Assume triangle JKL is in the first quadrant, with the measure of angle K = 90°. Suppose triangle JKL is a 45°-45°-90° triangle and segment JK is one of the legs. What are the coordinates of point L?
*February 22, 2012 by willy*

**geometry**

Assume triangle JKL is in the first quadrant, with the measure of angle K = 90°. Suppose triangle JKL is a 45°-45°-90° triangle and segment JK is one of the legs. What are the coordinates of point L?
*February 22, 2012 by willy*

**math Ms. Sue**

A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? 39 m2 169 m2 117 m2 142 m2 I think it is A...?
*November 8, 2012 by Deborah*

**Matrices **

A triangle has vertices (1, 4), (1, 1), and (−3, 1). The triangle is dilated by a scale factor of 2, then translated 5 units up, and then rotated 90° counterclockwise about the origin. What are the vertices of the image of the triangle
*May 7, 2014 by Maria *

**Perimeter**

Draw a figure with a perimeter of 24, using 11 squares
*April 18, 2010 by Jhon*

**algebra 2**

a triangluar garden has an area of 189 square feet. its height os 3 feet more than ots base. find the measure of the base.
*March 18, 2012 by amanda*

**physics**

the mass of a brick is 2.5 kg. its dimensions are 10cmx5cmx2cm. find the pressure of the brick exerts on the ground if it is resting on a. 10cmx5cm base and b. 5cmx2cm base
*August 20, 2013 by jim*

**Math for teachers**

Convert the base-ten number to a numeral in the indicated base. 19) 15 to base two 19) ______ A) 11110two B) 111two C) 1110two D) 1111two
*February 20, 2011 by cassie*

**Math**

I am in 7th Grade and have some holiday homeworks. Please help. 1. Write all the algebraic identities. 2. Write the statement & proof for remainder theorem & factor theorem each. 3.Write all the quadrilaterals and their properties. 4. Write the formulae for finding the area ...
*May 14, 2008 by Kenneth*

**Math**

The base of a parallelogram is 10 inches.The height is 2 inches more than half the base.Find the area.
*January 8, 2014 by Janey*

**Math**

Write 27 as a number is base five. The number 1000^2 is what in base ten? The intersection of two disjoint sets is? Find the solution set of 8x = 32.
*January 5, 2011 by John*

**math**

A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? (1 point)
*January 14, 2013 by Prime*

**Grade 11 Math**

I have two questions two forest fire towers, A and B are 20.3km apart. From tower A, the bearing of tower B is 70 degrees. The ranger in each tower observes a fire and radios the bearing from the tower. the bearing from tower A is 25 degrees and from tower B is 345 degrees. ...
*May 22, 2012 by Billy Bob*

**PLEASE HELP!!!!! (Right Triangle Question)**

Point N is on hypotenuse BC of triangle ABC such than angle CAN is 45 degrees. If AC=8 and AB=6, find AN. I did Pythagorean Theorem for triangle ABC, and hypotenuse BC will be 10. I don't know how to continue from there. Oh, I'm also unsure about this, but if angle CAN is 45 ...
*April 9, 2012 by My Name Is Bob*

**Algebra**

The backyard of a house is in the shape of a triangle. The longest side is 4 ft shorter than twice the shortest side. The third side is 4 ft less than the longest side. If the perimeter of the yard is 162 ft, what are the lengths of the sides?
*February 9, 2012 by Jamie*

**math**

What are the values of surface area and volume of a triangular prism, whose base is an equilateral triangle of side 6 inches and whose height is 1 foot?
*October 18, 2013 by Anonymous*

**pre-calculus**

triangle KLM has vertices K(0,0), L(18,0), and M(6,12). a. Write equations for the altitudes to the three sides of the triangle. b. Show that the altitudes intersect at a single point O, called the orthocenter of the triangle.
*August 18, 2009 by natalin*

**Theorem Calculus**

A thin triangle has vertices (0,0), (1,0), and (0,2). Let the density function at any given point on the triangle be represented by ρ(x,y)=1+3x+y. The mass of the triangle can be represented by p/q, where p and q are coprime positive integers. What is the value of p+q?
*June 26, 2013 by Crow*

**MATH:( Base systems?!**

2. Determine the base- five representations for each of the given numbers. Remember that a numeral with no subscript is understood to be n base ten. a.47 b. 179 c. 354
*July 9, 2013 by Kaitlin*

**4th grade**

What is the perimeter of a dog huse in the shape of a regular pentagon if the perimeter is 35 feet,what is the length of each side of the play area?
*April 5, 2010 by delacia williams*

**Math**

Find the Maximum area for the given perimeter of a rectangle. State the length and width of the rectangle. 28 inches Well, finally a calculus problem. Ok, we know that the area for a rectangle is A=l*w and the perimeter is P=2(l+w) In this problem P= 28, so let's express one ...
*August 31, 2006 by l*

**math**

The voulme of fish tank with a square base is y^3-6y^2+9y cube inches. The hieght is Y. Find the length of a side of the square base. can some one help me please.
*June 7, 2010 by keaton*

**Calculus**

Find the volume of the solid whose base is the region bounded by y=x^2 and the line y=0 and whose cross sections perpendicular to the base and parallel to the x-axis are semicircles.
*January 29, 2012 by Becca*

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