Wednesday

May 25, 2016
Number of results: 116,483

**College Math**

12 base 5 divide by 4021 base 5
*December 11, 2007 by Pumpkin*

**chemistry**

The pH of a 1.2 M solution of an unknown weak base is 10.65. What is the Kb for the base?
*February 19, 2010 by rodrigue*

**Base **

Write the numeral in base ten. 130five
*March 14, 2010 by Tyga*

**Calculus**

"Differentiate x^(x^3)" I can do it when the base is a number, but I'm confused as to how to do it with x as the base.
*June 18, 2010 by Stuck*

**science**

A 0.513 M solution of a weak base has a pH of 11.4. What is the Kb of the base?
*September 9, 2010 by Martha*

**math**

Base 10 gets me so confused. How to convert 40 to base 2
*November 8, 2010 by m*

**math**

multiply in the indicated base the base is 9 503 x 67 ¬¬¬¬¬¬¬¬¬¬¬¬
*July 14, 2011 by Anonymous*

**Number Systems**

Convert 103 base 16 to base 10.
*October 6, 2011 by Adam*

**trigonometry**

Solution of problem: An electric post was broken by a strong typhoon .it rmed a right triangle with the ground.If a broken part makes an angle of 25 degrees with other part and the topmost part of the post which on the ground is 40 feet from the base ,how tall was the post?
*September 17, 2012 by Anonymous*

**BIOLOGY**

b) Make a single base pair substitution mutation in the gene below that results in a protein that is shorter than the protein produce by the original gene. When you are satisfied with your change and its effect, click the "Final Check" button. Note that a "single base pair ...
*November 17, 2013 by youlifex*

**maths**

The angle of elevation and angle of depression of the top and base of a mobile tower from a mobile handset are 60 degree and 30 degree respectively. If the distances of the top and the base of the tower from the mobile handset are 15m and 8m respectively, find the height of ...
*December 11, 2015 by keya*

**Physics**

The three 500 g masses in the daigram are connected by massless, rigid rods to form a triangle. What is the triangle's rotational energy (in J) if it rotates at 1.50 rev/s about an axis through the center? (Diagram shows equilateral triangle with 500g masses at each point, the...
*November 14, 2011 by Please Help!*

**maths**

a hemisphericalbowl of diameter 14cm mounted on a bucket inform of frustrum of a cone if the base diametre of the bucket is 7cm and total hieght is 21cm calculate the total surface area
*September 6, 2008 by john*

**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*

**math**

a rectangle is twice as long as it is wide. if both of its dimensions are increased by 4m, its area is increased by 88m^2 find the dimensions of the original rectangle Original rectangle = w for width and 2w for length. Area = w x 2w Larger rectangle = w+4 for width and 2w+4 ...
*November 29, 2006 by samantha*

**Chemistry**

When given the pressure and force of a system, how should the pressure formula be rearranged to solve for area?
*August 8, 2010 by Jarred*

**Chemistry**

I don't understand how to work out the volumes of weak acid and strong base to mix to make 1L of buffer when given the concentrations of weak acid and strong base (in my case 0.160M NaOH and 0.200M H3PO4) and the pH required (7.00). Specifically the textbook is Fundamentals of...
*March 30, 2008 by Sarah*

**Chemistry**

I don't understand how to work out the volumes of weak acid and strong base to mix to make 1L of buffer when given the concentrations of weak acid and strong base (in my case 0.160M NaOH and 0.200M H3PO4) and the pH required (7.00). Specifically the textbook is Fundamentals of...
*March 30, 2008 by Sarah*

**Math**

The dimensions of Mrs. Singleton's square garden are dilated using a scale factor of 3. What is the relationship between the area of the new garden and the old garden? A. The are of the new garden is nine times the area of the original garden B. The area of the new garden is 1...
*January 7, 2013 by Andrew*

**Math ~ Check Answers ~**

A rectangular prism has a width of 92 ft and a volume of 240 ft^3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, if necessary. •3.8 ft^3 •60 ft^3 <<<<<< •15 ft^3 •10.4 ft^3 A pyramid has a height of 5 in. and a surface...
*March 12, 2014 by Chloé*

**maths**

The width of a rectangular photograph is 5cm more than the height. The area is 80cm squared. Find the height of the photograph.
*April 20, 2010 by nabiha*

**maths**

The width of a rectangular photograph is 5cm more than the height. The area is 80cm squared. Find the height of the photograph.
*April 20, 2010 by nabiha*

**math**

I need to find the A small b, C small b, slant height, and surface area of a cone. The height is 9.2 and radius is 5.6. Please help
*May 16, 2013 by Hannah*

**Math- help finishing **

A right triangle has an area of 84 ftand a hypotenuse 25 ft long. What are the lengths of its two sides? Ive gotten this far: 25^2= a^2+b^2 a=25-b 84= ab/2 168= 25b-b^2 b^2-25b+168=0 I then use the quad. formlua to solve for b... but I get an error. Can someone help me?
*December 8, 2010 by Lindsay*

**Geometry**

Reiny, according to this problem(one side of a triangle is x inches longer than another side. The ray bisecting the angle formed by these sides divides the opposite side into 3-inch and 5-inch segments. Find the perimeter of the triangle in terms of x), you said that a+x+a+8= ...
*January 10, 2012 by Anonymous*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math calculus **

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. What is the largest ...
*December 3, 2012 by Paige*

**math**

A garden will be made up of a parallelogram, a rectangle and a triangle. The garden must have an area of 500m 2 . Draw two possible gardens. Determine the dimensions of each part of the garden, and justify your choice of these dimensions
*December 9, 2013 by joy*

**geometry**

I have a triangle garden in my backyard. one side is 4 meters and another side is 6 meters. the angle formed by these two sides is 72 degrees. what is the area of the garden?
*April 30, 2011 by Shauna*

**Math problem solving investigation: guess and chec**

The area of each square is twice the area of the next smaller square drawn in it. If the area of the smallest square is 3 square centimeters, what is the area of the largest square
*December 29, 2012 by Alex*

**Math**

The largest multi-story building built by the Anasazi Indians called the Pueblo Bonito. The shape of its foundation is nearly parabolic, with a base (at the top of the photo) of about 500 feet and a height of about 300 feet. 1. Sketch the multistory building on a coordinate ...
*November 14, 2012 by Mike*

**Statistics**

A severe storm has an average peak wave height of 16.4 feet for waves hitting the shore. Suppose that a storm is in progress with a severe storm class rating. Let us say that we want to set up a statistical test to see if the wave action (i.e., height) is dying down or getting...
*August 7, 2011 by Justina*

**mathhh**

A circular oil slick is expanding with radius, r in yards, at time t in hours given by r=2.5t−0.3t2, for 0≤t≤10. Find a formula for the area in square yards, A=f(t), as a function of time. f(t)= HELP PLEASE!
*March 1, 2016 by Anonymous*

**Pre Algebra**

The area of a square postage stamp is 81/100 in. squared. What is the side length of the stamp? What is the formula of the area of a square?
*October 12, 2013 by Steve*

**chemistry**

why is HS- a stronger BL base compared to HSO4 In a series of oxybases with the same central atom, the base with more O atoms is stronger. In a series of oxybases with the same central atom, the base with less O atoms is stronger. Since H2SO4 is one of the seven strong acids, ...
*February 26, 2013 by Hannah*

**Geometry**

Two corresponding sides of two similar hexagons are 16 mm and 20 mm. What is the ratio of the area of the two hexagons? Name the postulate and two theorems you can use to prove triangle similarity.
*June 1, 2014 by Yaz*

**geometry**

An artist wants to make alabaster pyramids using a block of alabaster with a volume of 576 cubic inches. She plans to make each pyramid with a square base area of 3 square inches and a height of 4 inches. At most, how many pyramids can the artist make from the block of ...
*June 19, 2015 by michelle*

**Calculus**

A rancher wants to build a rectangular pen with an area of 150 m2. Let W be the width of the pen and L be the length of the pen. a. Find an equation for the perimeter P in terms of W and L . b. Use the given area to write an equation that relates W and L . c. Find the pen ...
*May 26, 2013 by Lily*

**Geometry**

If the area of the large rectangle is 147 units squared, what is the perimeter of the shaded area. There is a visual of a large rectangle divided into four smaller ones. One is shaded. The area is given for the other three: 48 and 15 along the top half of the large rectangle ...
*August 27, 2014 by Laurel*

**calc**

The base of a three-dimensional figure is bound by the line y = 6 - 2x on the interval [-1, 2]. Vertical cross sections that are perpendicular to the x-axis are rectangles with height equal to 2. Find the volume of the figure. The base of a three-dimensional figure is bound by...
*June 6, 2014 by Jamie*

**geometry**

A student notices that the shadows of a sign and a tree lie among the same line and end at the same point. The height of the sign is 2 meters and its shadow is 3 meters in lenght. The distance from the base of the sign to the base of the tree is 12 meters. How tall is the tree?
*June 5, 2012 by Tara*

**biology mit**

b) Make a single base pair substitution mutation in the gene below that results in a protein that is shorter than the protein produce by the original gene. When you are satisfied with your change and its effect, click the "Final Check" button. Note that a "single base pair ...
*November 17, 2013 by juanpro*

**Physics URGENT!!!**

A 85.0 kg base runner begins his slide into second base when he is moving at a speed of 2.10 m/s. The coefficient of friction between his clothes and Earth is 0.570. He slides so that his speed is zero just as he reaches the base. (a) How much mechanical energy is lost due to ...
*October 7, 2012 by Anonymous*

**Physics- PLEASE HELP**

A 85.0 kg base runner begins his slide into second base when he is moving at a speed of 2.10 m/s. The coefficient of friction between his clothes and Earth is 0.570. He slides so that his speed is zero just as he reaches the base. (a) How much mechanical energy is lost due to ...
*October 8, 2012 by Anonymous*

**Math (6)**

The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ?
*April 30, 2014 by Mia*

**Math (6)**

The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ?
*May 1, 2014 by Mia*

**Math**

In the accompanying diagram, the perimeter of isosceles triangle MNO is equal to the perimeter of square ABCD. If the sides of the triangle are represented by 4x+4 , 5x-3, 17 and one side of the square is represented by 3x, find the length of the square
*November 19, 2015 by Randy James*

**Calculus 3**

The ceiling of a building has a height above the floor given by z = 20 + 1 4 x, and one of the walls follows a path modeled by y = x3/2. Find the surface area of the wall if 0 ≤ x ≤ 40. (All measurements are in feet. Round your answer to two decimal places.)
*May 1, 2011 by Baba*

**algebra**

The length of an altitude of a triangle is 1/3 the length of the side to which it is drawn. If the area is 6 square cm., then what is the length of the altitude?
*January 6, 2011 by Tammy*

**Math 7**

When finding area, When you divide a triangle or trapezoid, Do we do everything else first then divide or do we divide first?
*February 13, 2014 by Anonymous*

**MATH!**

To get from his high school to his home, Jamal travels 5.0 miles east and then 4.0 miles north. When Shelia goes to her home from the same high school she travels 8.0 miles east and 2.0 miles south. What is the measure of the shortest distance, to the nearest tenth of a mile, ...
*May 6, 2007 by megan*

**Math**

Native Americans made baskets like this one in the early 1900's. If two sides of the triangle shown on the basket measure 1/4 in., and the third side measures 3/8 in., what is the perimeter of the triangle?
*February 23, 2015 by Amri*

**Circumference,Radius, Diameter**

What is the area of the circle if the radius is 2 cm? A. 3 cm squared B. 6 cm squared C. 10 cm squared D. 12 cm squared I don't really know the answer to this one because I am not sure what the formula for area of a circle is. If I knew the formula the maybe I could figure the...
*March 24, 2008 by Missy*

**Calculus**

Hello...i just had a quick question...its probably something easy to get...maybe i am thiking too hard...but the question is estimate the volume of solid that likes above the square R=[0,2] * [0,2] and below the elliptical paraboloid z=16-x^2-2y^2..divide r into four equal ...
*November 5, 2007 by Kim*

**Geometry**

4. Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number. The figure is not drawn to scale. 9.49m, 37m, 9m, 3m 795m2; 809m2 758m2; 849m2 795m2; 822m2 758m2; 822m2
*May 13, 2016 by Becky*

**Language**

How many words can i write that are related to the base word image? Notice whether you have added prefixes or suffixes to the base
*February 25, 2011 by 4ever*

**Math Calculus**

Hi, can anyone please help me solving these problems? any help will be greatly appreciated 1-If a tank holds 1000L of water, which takes an hour to drain from the bottom in the tank, then the volume V of water remaining in the tank after t minutes is V=1000(1-t/60)^2 0<=t&...
*November 21, 2007 by Tyler*

**Alg 1**

Solving quadratic equations: What is the value of "b" in the triangle where one part of the right angle is "3b" and the other part of the right angle is "b". The area inside is 24 in^2. Please solve and explain. Thanks
*April 6, 2013 by Jane*

**calculus**

27 ft of wire is to be used to form an isosceles right triangle and a circle. Determine how much of the wire should be used for the circle if the total area enclosed is to be a minimum? Maximum?
*November 11, 2013 by Heidi*

**Math**

An isosceles triangle has an area of 24 cm squared, and the angle between the two equal sides is 5 pi/6. What is the length of the two equal sides? I can't figure out how to set up this problem please help! Thank you!
*January 20, 2014 by Cassie*

**Writing a 2 column proof..**

I have no idea where to start! and I've got lots of these to write. Directions say write a two-column proof... Given: segment AB is congruent to segment XY, AC is is congruent to XZ, and BC is congruent to YZ. Prove: triangle ABC is congruent to triangle XYZ
*November 11, 2009 by Chrissy*

**mat117/algebra**

If the sides of a square are increased by 3 cm, the area is decreased by 36 cm^2. What were the dimensions of the original square? Please show me the formula and how to work. That doesn't sound possible. If the sides of a square are increased, the area must also be increased. ...
*June 27, 2007 by Diana*

**math**

The hypotenuse of a right triangle is 1 cm more than twice the shorter leg, and the longer leg is 9 cm less than three times the shorter leg. Find the lengths of the three sides of the triangle..
*March 21, 2013 by nikki*

**Trigonometric functions**

1)I have a right triangle. the hypotenuse is 7 the opposite leg is x and an angle is 32. Which equation can be used to find x? A)sin32=x/7 B)cot32=7/x C)tan32=x/7 D)cos32=x/7 I chose D 2)A right triangle 26 is the hypotenuse,opposite leg is 15. Find A to the nearest degree. A)...
*February 10, 2008 by Jon*

**math**

find the base of the exponential function whose graph contains the given points. 1.( 4, 1/625) 2.(3/2, 27) 3.(3, 1/343)
*September 3, 2014 by Chen*

**math**

what is the height of a triangle whose sides are 13 , 20 and 21 cm
*June 8, 2010 by tom*

**geometry**

Why is the apothem of an equilateral triangle 1/3 its height?
*April 27, 2011 by Aria*

**geology**

1. What fraction of the Earth is made up of each of the major compositional layers: core, mantle, and crust? 2. What cities lie the same distance from our town as the boundaries of the following layers in the Earth lie from the solid surface? a.Base of oceanic crust or top of ...
*September 3, 2008 by student01*

**Geometry**

Which is the hypotenuse-angle theorem? ________________________________________ A. If the hypotenuse and an acute angle of a right triangle are congruent to the corresponding parts of another right triangle, then the triangles are congruent. B. If the hypotenuse and an obtuse ...
*June 30, 2010 by Superman*

**math**

7. What area remains when the area of a square with side 3 is subtracted from the area of circle with radius 2?
*August 22, 2014 by vincent*

**math**

The base radius of a cone is 6 inches, and the cone is 8 inches tall. To the nearest square inch, what is the area of the lateral surface of the cone?
*April 12, 2010 by Ghanny*

**math**

The base radius of a cone is 6 inches, and the cone is 8 inches tall. To the nearest square inch, what is the area of the lateral surface of the cone?
*April 12, 2010 by Ghanny*

**math**

The base of a regular pyramid is a square whose sides have a length 8 cm. If a lateral edge of this pyramid has length 20 cm, what is the surface area of the pyramid?
*February 6, 2012 by Fustrated*

**Geometry**

The base of a regular pyramid is a hexagon whose sides have length 5 ft. If a lateral edge of this pyramid has length 9 ft, what is the surface area of the pyramid?
*February 6, 2012 by Fustrated*

**physics**

a pond of water filled with water apto 60m. 1)write formulato find the pressure of water exerted on the base of pond. 2)calculate the pressure exerted by the water on the base of pond?density of water is 1000kg/m3 3)half of the water was removed from the pond.what could be the...
*November 24, 2010 by sweetie*

**Geometry**

When one length of a right triangle is given how are the other sides found? Given side AB=2radical3 and CB=x.
*August 23, 2008 by Uy*

**math**

show me how do find volume i know it is base x height but then what? example 20 cm wide 17cm high and how do i bring it to nearest cubic unit. I am in 6th grade. thank you
*January 22, 2009 by polly*

**maths**

find the amount of sheet metal needed to form a conical funnel of base radius 30 cm and vertical height 50 cm, allowing for a 0.5 cm overlap at the join?
*October 18, 2009 by Chirayu*

**math**

The angle of elevation of the top of a towerfrom a point 42meters away frm its base on level ground is 36degrees.find the height of the tower?
*June 17, 2013 by Nmesoma*

**calculus**

The sides of an equilateral triangle are increasing at the rate of 5 centimeters per hour. At what rate is the area increasing when the side is 10 centimeters?
*October 5, 2010 by nesri*

**Chemistry (Electrochemistry)**

The thickness of a pure Ag plate on a base metal is to be determined by controlled potential coulometry. The metal sheet is masked except for a circular area, 0.5cm in diameter. Electrical connection is made to the metal and the sheet is clamped in a cell so that the unmasked ...
*January 10, 2015 by James*

**math**

Consider the Standard Normal curve: (a) Find the area between z = -0.45 and z = 1.45 (b) Find the value of z such that the area to the right of z is 1.5%.
*February 24, 2015 by yvonne bih*

**calculus help please **

A piece of wire 14 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? = 14 m (b) How much wire should be used for the square in ...
*April 15, 2014 by Christine *

**Grade 8 Math**

A garden will be made up of a parallelogram, a rectangle and a triangle. The garden must have an area of 500m2. Draw two possible gardens. Determine the dimensions of each part of the garden, and justify your choice of these dimensions.
*November 23, 2013 by Robel Taame*

**algebra**

At a point on the ground 30 feet from the base of a tower, the distance to the top of the tower is 2 feet more than twice the height of the tower. Find the height of the tower.
*August 30, 2015 by Mickey*