Thursday

July 30, 2015

July 30, 2015

Number of results: 105,551

**math a2**

the expression 4x3-6x2 represents the area of a triangle. write the expression as the product of two factors. 4x3-6x2 as in: FOURx 3(power) -(minus) SIXx 2(power)
*March 3, 2008 by jennah*

**Chemistry**

In a titration HCl and NaOH have a 1:1 ratio. Can you still use the formula M1V1 = M2V2 to find the molarity of the NaOH base if we change the acid to sulfuric H2SO4?
*March 4, 2010 by Jimmy*

**geometry/algebra**

I asked this question yesterday, and I'm trying to understand it since I got the wrong answer - please explain: You need to make a soda can with a volume of 29 cubic inches. Find the surface area. calculate the following: a) How much material is needed if the can's radius is 1...
*November 9, 2010 by Nancy*

**Math - Trig**

1. Given that points S and R on opposite sides of a lake, triangle SRT is formed. To find the distance RS across the lake, a surveyor lays off RT = 53.1 m, with angle T = 32deg 10' and anagle S = 57deg 50'. Find length RS.
*November 27, 2013 by McKenna Louise*

**in washington**

by 2004 NASA wants to have a moon base that would be a base for trips to what planet Go to http://www.google.com and enter nasa moon base -- see what results you get. If you don't get what you want, alter the search words a bit. =)
*December 12, 2006 by mak*

**Algebra 1**

Using the same formula and the accompanying figure, deduce a formula for the altitude, h, of an equilateral triangle in terms of its side, c. really need help don't know what it means by "accompanying figure" because there's nothing "accompanying" it!! :/ thank you so much!
*May 3, 2013 by Need Help NOW!!!*

**Calculus**

For the function f(x)=10-4(x^2), find a formula for the lower sum obtained by dividing the interval [0,1] into n equal subintervals. Then take the limit as n->infinity to calculate the area under the curve over [0,1]. I only need help with the first part. I don't really ...
*May 5, 2009 by Jenna*

**math**

help on this one would be appreciated Find the area of only the area which contains both the circles r=4cos and r=43sin
*August 5, 2007 by samavi*

**Math**

Maximizing Area: Among all rectangles that have a perimeter of 20 ft, find the dimensions of the one with the largest area.
*October 9, 2009 by David*

**Calculus**

How do I find the total area of three connected equally sized pens built so as to maximize the area bounded?
*August 24, 2012 by Don*

**Math**

5. Find the surface area of the cylinder to the nearest whole number. (1 point)1,659 in.2 898 in.2 5,862 in.2 2,959 in.2 6. Find the surface area of the pyramid shown to the nearest whole number. (1 point)1,540 m2 770 m2 396 m2 749 m2 7. Find the surface area of a conical ...
*May 17, 2014 by Anonymous*

**Algebra**

The area of a of trinagle with b and h is a=1/2bh find the area when b=30 and h =38 m
*November 25, 2011 by Nicky*

**Pre Calculus**

He needs two adjacent rectangular enclosures - he has 300 feet of fencing. a. find a function that models the total area of enclosures with respect to the width of the enclosures. b. write your function in vertex form using the vertex formula. c. what is the largest area that ...
*September 29, 2013 by emily*

**Titration**

Which of the four solutions (all same concetrations, same volume) requires: a) the greatest amount of base for complete titration? b) the greatest amount of base to titrate to any given pH? HCl, acetic acid, formic acid, HNO3. i put HCl for both... is that correct?
*January 11, 2009 by Andrew*

**5th math**

can you draw an isosceles triangle that ia not equilateral? draw me sclene triangle ? please !draw me so ,i will get today for my preview .thanks!!!
*October 28, 2010 by pat*

**Geometry**

The lengths of the sides of a triangle are 3,5, and 7 inches. How many inches long is the shortest side of a similar triangle that has a perimeter of 75 inches? F.10 G.12 H.14 H.15 k.22
*December 7, 2012 by Lisa*

**Calculus**

Find the exact coordinates of the centroid. y = sqrt[x], y = 0, x = 9. -------------- Is this basically 1/4 of an oval/ellipse? If so then the area would be: pi*9*3, correct? So the X coordinate would equal: 1/Area * Integral from 0 to 9 of (x*f(x))*dx Which equals: (4/(27*pi...
*June 18, 2007 by COFFEE*

**Chemistry**

Calculate pH of a solution by mixing 15.0 mL of .50 M NaOH and 30.0 mL of .50 benzoic acid solution (benzoic acid is monoprotic, its dissociation constant is 6.5 x 10^ -5). I am not sure whether I am supposed to do it by acid-base titration way or to use the formula -log (Ka...
*July 28, 2009 by Soojung*

**Geometry**

If the perimeter of a triangle is 12, which of the following could be the length of one side of the triangle? a. 8 b. 7 c. 6 d. 5 Would the correct answer be d. 5? And how do you go about answering this type of question? I just guessed; I figured it was the smallest number.. ...
*May 10, 2009 by Anonymous*

**Geometry**

I having diffucltly with this triangle.This trangle angles are 3x,4x,x.You have to solve for x.I know you have to use the triangle sum therom.I got 7x=180.That would equal a decimal point which is not right.It has to be whole number.
*July 4, 2011 by Anonymous*

**calculus**

A rocket is fired into the air, and its height in meters at any given time t can be calculated using the formula h(t) = 1600 + 4.9t^2. Find the maximum height of the rocket and the time at which it occurs.
*October 25, 2011 by Jake*

**geometry**

A cone is created from a paper circle with a 90 sector cut from it. The paper along the remaining circumference of the circle is the base of the cone. Find the radius of the base of the cone. Round to the nearest hundredth.
*April 27, 2012 by Alan*

**Geometery **

I need to know the laws of triangle inequality. i need help what is triangle in equality?
*January 6, 2010 by Francesca*

**geometry**

If the perimeter of the smaller triangle is 4cm, what is the perimeter of the larger triangle?
*February 20, 2011 by Anonymous*

**Geometry**

If (triangle)IGH is congruent to (triangle)KLJ, then <H is congruent to ___
*March 6, 2014 by Kylee*

**Mathematics**

A 306090 triangle has a hypotenuse with a length of 18. What is the length of the shorter leg of the triangle?
*March 10, 2014 by CrazyCraft Mod Pack + OreSpawn = FUN! XD*

**math**

find the surface area of a cylinder where the radius is=5.5in. and the height is=4 inches
*May 19, 2011 by Anonymous*

**Math**

A trapezoid has an area of 312cm2. If the bases are 3cm and 20cm, find the height.
*January 5, 2012 by Nicole*

**geometry **

Find the surface area of a rectangular prism with a height of 11, a length of 15, and a width of 10.
*July 17, 2012 by alexis*

**Chemistry (please check) **

2) Calculate the Molar Enthalpy of Neutralization (ΔHn) in kJ/mol of the reaction between a monoprotic acid and a monoprotic base, given the following information: The temperature change equals 5.06C, 50.0 mL of 1.00 M concentration of Acid 50.0 mL of 1.00 M ...
*June 30, 2013 by Mary *

**Algebra**

A triangle has the side lengths of 5 inches 12 inches and 15 inches every demention is multiplyed by 1/5 to form a new triangle how is the ratio of the perimeters related to the ratios corresponding sides?
*October 25, 2010 by Joelseph *

**math**

Triangle ABC is an equilateral triangle with side length AB=22. Place a point D on the line segment BC. Extend BC to the point E such that BD=CE. point E is defined as lying on BD and satisfying BD=CE.What is the value of DE?
*June 16, 2013 by Anonymous*

**Physics**

You will use the formula p*V = kB*N*T to find the depth of the box (front to back measurement). The volume of the box is given by the formula V = W * H * D. (You will need to convert the pressure from atm to Pa, or pascals, by multiplying atms by 1 * 105.) The height of the ...
*April 19, 2015 by Jennifer*

**chem**

Calculate the pH of 0.20 M NaCN solution. NaCN ---> Na+ + CN- CN- + H20+ ---> HCN+ + OH- Initial conc. of CN- = 0.20 mol/L change = -x equillibrium = 0.20-x HCN equill. = +x OH equill. = 1x10^-7+x Ka= 6.2 x 10^-10 Kb = KW/Ka = 1x10^-14/6n2 x 10^-10 = 1.6 x 10^-5 1.6 x 10...
*July 24, 2009 by Lena*

**calculus**

This is problem 16 Section 4.6 page 246. A closed box with square base is to be built to house an ant colony. The bottom of the box and all four sides are to be made of material costing dollar/sq ft, and the top is to be constructed of glass costing dollar/sq ft. What are the ...
*November 11, 2011 by calculus*

**Math 2 questions**

A rectangular prism has a width of 92 ft and a volume of 240 ft3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, if necessary. 3.8 ft3 60 ft3 15 ft3 10.4 ft3 A pyramid has a height of 5 in. and a surface area of 90 in2. Find the surface ...
*March 16, 2014 by anonymous*

**algebra**

A gardener wants to create a triangular garden in the shape of a right triangle with shortest side length x 2y ft. and the middle length side x + 4y ft. What is an algebraic expression for the area of the garden? Be sure to multiply this out and express in simplest correct ...
*April 28, 2011 by andrea*

**College Chemistry**

Sodium hydroxide is used extensively in acid-base titrations because it is a strong inexpensive base. A sodium hydroxide solution was standardized by titrating 27 mL of 0.1628 M standard hydrochloric acid. The initial buret reading of the sodium hydroxide was 2.44 mL, and the ...
*October 3, 2010 by KELLY*

**Chemistry**

If 16.5 grams of the base were used in the neutralization of *question 7*, how many grams of acid must have been used to neutralize the base? *neutralization of Na2CO3* ---------------- Would the answer be 16.5g of acid? I was thinking that the acid and base should be the same...
*March 2, 2015 by Anonymous*

**geometry**

I need to find the area of the shaded portion of a circle with a square in the middle all corners touching the circle. My square has a line measurement of 10 cm. I know that the area of the square is 100 cm(10 x 10). But I am not sure what to do with the circle. Is the ...
*May 29, 2010 by bart*

**Maths**

An equilateral triangle with side length 33 is divided into 33^2 smaller unit equilateral triangles each with side 1, forming a triangular lattice. We color each segment of length 1 either Red, Blue or Green, subject to the condition that each small unit equilateral triangle ...
*April 30, 2013 by MAths lover Please Helppppp*

**Basic Caluculus**

f(x)=2x^3-x^2+1 [1,4]=interval Using the limit process, (once with right endpts, and the other with left entdpts.) find the area under the curve and above the x-axis on the given interval i got the area to be 107.5 for right endpts. (not sure if its right) but what about the ...
*May 29, 2011 by Munni*

**Geometry**

Which is the hypotenuse-leg theorem? A. If the hypotenuse and one leg of a right triangle are similar to the corresponding parts of another right triangle, then the triangles are congruent. B. If the hypotenuse is congruent to the corresponding part of another right triangle, ...
*June 29, 2010 by Superman*

**Calculus**

A holding pen for fish is to be made in the form of a rectangular solid with a square base and open top. The base will be slate that costs $4 per square foot and the sides will be glass that costs $5 per square foot. If the volume of the tank must be 50 cubic feet, what ...
*February 17, 2014 by Ann*

**Math :-)**

Explain why knowing the height is needed when finding the perimeter of a right triangle.
*February 9, 2014 by anon*

**Congruence-creating a triangle**

Three segments are given. I need to draw one segment with the same length as any one of the given segments. Then take the measure of another given segment with my compass and draw a cirlce of that radius from the endpoint of my first segment. The question is: 1. What is true ...
*November 4, 2006 by Jen*

**Precalculus**

There is a piece of wire 200 cm long. It needs to be cut into 2 pieces, with one piece forming an equilateral triangle and the other piece forming a circle. How long must each piece be to maximize the area of each shape?
*September 4, 2010 by Ce*

**geometry**

The coordinates of triangle ABC areA(0,0), B(2,6), and C(4,2). Using coordinates geometry; prove that, if the midpoints of sides AB and AC are joined, the segment formed is parallel to the third side and equal to one- half the length of the third side.
*February 6, 2012 by Sindy*

**geometry**

The coordinates of triangle ABC areA(0,0), B(2,6), and C(4,2). Using coordinates geometry; prove that, if the midpoints of sides AB and AC are joined, the segment formed is parallel to the third side and equal to one- half the length of the third side.
*February 6, 2012 by Sindy*

**math**

The height of a projectile fired upward is given by the formula s = v0t − 16t2, where s is the height in feet, v0 is the initial velocity, and t is the time in seconds. Find the time for a projectile to reach a height of 96 ft if it has an initial velocity of 128 ft/s. ...
*July 11, 2011 by sabrina*

**algebra**

what is the height of a solid with a volume of 120 m3 and a base of 30 m2
*October 27, 2010 by rae*

**math**

Base is 16 cm squared, Width is 2.5 cm. what is the perimeter and height
*January 13, 2013 by donna*

**math**

A conical funnel has a base diameter of 4 cm and a height of 5 cm
*May 1, 2013 by jerry*

**algebra**

The diameter of the base of a cone is 5 ft, and the slant height is 7 ft
*June 16, 2015 by lisa*

**geometry**

1. A triangle has side lengths of 8, 10, and 12. what kind of triangle is it? 2. A triangle has side lengths of 3, 4, and 7. what kind of triangke is it?
*January 12, 2012 by lacey*

**Chemistry(Please check)**

1) Which statement below is correct (true)? a) Since HNO2 is a stronger acid than HF it must have a greater pKa. b) Since HOCℓ is a stronger acid than HCN, then OCℓ is a stronger base than CN. c) The dissociation (or ionization) of HOCℓ in water is HOC&#...
*March 24, 2012 by Hannah*

**Math**

The four bases of a baseball diamond form a square 90 feet on a side. The shortstop,S, is in a position that is 50 feet from second bases and forms a 15 degree angle with the base path as shown. Find the distance between the shortstop and first base to the nearest foot
*April 11, 2010 by Joline*

**Calculus Help Please Urgent!!!**

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 this one I got right (b) How much wire should be used...
*April 18, 2014 by Nane*

**5th grade math**

list at least one way in which an equilateral triangle and isosceles are different? List at least one way in which an equilateral triangle and a isosceles triangle are the same? thank you!
*October 28, 2010 by pat*

**Math Calc**

Given a right triangle ABC with a=13 and b=26, find the value of angle A, angle B, and side length c. Round to the nearest thousandth.
*November 2, 2014 by Johnny*

**Algebra 1**

Find the measure of the smallest angle of the right triangle. c= 90degree a= height ac= 7 and cb = 11 a-32.5 degree b-57.5 degree c-13.0 degree d-50.5 degree my answer is a 32.5 degrees
*March 29, 2015 by Steve*

**Math**

Triangle ABC is similar to triangle APQ, with angle CBA equal to angle QPA and angle A common to both triangles. The lengths of sides AB, AP and PQ are 90 cm, 60 cm and 30 cm. Calculate the length of side BC.
*June 4, 2010 by Golkhadi nep*

**Math**

My friend has $80 to spend on a fence for her rectangular garden. She wants to use cedar fencing which costs $8/foot on one side, and cheaper metal fencing which costs $2/foot for the other three sides. What are the dimensions of the garden with the largest area she can ...
*June 14, 2015 by Vin*

**Math**

Peter has 1200 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed area?
*December 4, 2012 by Jane*

**Calculus kinda with the area of two curves**

II don't even know where to start with this can anyone help?!? Find c>0 such that the area of the region enclosed by the parabolas y=x^2-c^2 and y=c^2-x^2 is 270.
*December 2, 2013 by Roni*

**Geometry**

The scale factor of triangle DEF to triangle HJK is 5/2. If EF =15 find JK EF : JK = 5 : 2 15 : JK = 5 : 2 15 * 2 = JK * 5 30 = 5(JK) 5(JK) / 5 = 30 / 5 JK = 6 Am I CORRECT ON THIS ONE? Looks like EF and JK are corresponding sides of similar triangles. Each side of DEF is 2.5 ...
*June 18, 2007 by DANIELLE*

**ALGEBRA 1 HELP**

Your hole punch makes holes in your that have diameter of 4^-1 inch. a.Write an expression for the area of one punched hole. Use the formula for the area of a circle A=:r^2. (: is pi sign) b.Your hole punch makes three holes in a page . Write an expression for the total area ...
*December 5, 2013 by Louis*

**math**

A solid cone of height 12cm and radius 9 cm is recast into a solid sphere. Calculate the surface area of the sphere. cone V= 1/3 pi r^2 h sphere V= 4/3 pi r^3 area of sphere = 4r^2 how to find sphere of radius?
*February 4, 2015 by kudu*

**Applied Programming**

APPLIED PROGRAMMING (APR520S) ASSIGNMENT 1 Problem Solving Tools Total Marks: 50 Marks Due: Friday 22 August 2014 Suppose we want to construct a C/C++ program that can be used to calculate the area or the volume for a range of 2-D and 3-D shapes respectively. Consider only the...
*August 19, 2014 by Pineas*

**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**

Gravel is being dumped from a conveyor belt at a rate of 40 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always the same. How fast is the height of the pile increasing when the pile is 22 feet high? Here are ...
*February 27, 2013 by jeremy*

**maths**

Find the height of a tree when it is found that on walking away from it 20 metres, in horizontal line through its base, the elevation of its top changes from 60 degree to 30 degree.
*January 17, 2010 by srikesh iyer*

**Geometry HELP**

Find the volume of a regular hexagonal prism if the measure of one side of the base is 14 and the height is 10. a.)140√2 cm^3 b.)2940√3 cm^3 c.)140 cm^3 I was thinkin the answer is 140√2 cm^3
*June 10, 2010 by Ariel*

**Calculus**

let a hemisphere of radium 5 be cut by a plane parallel to the base of the hemisphere thus forming a segment of height 2. find its volume using cylindrical shells... thanks
*October 31, 2010 by Oswaldo*

**mathematics**

An equilateral triangle with side length 33 is divided into 332 smaller unit equilateral triangles each with side 1, forming a triangular lattice. We color each segment of length 1 either Red, Blue or Green, subject to the condition that each small unit equilateral triangle ...
*April 30, 2013 by Sambaran G.*

**college Physics**

Dear Sir, Please help. I am struggling with the below problems for a very long time. thanks Larry King 1) Suppose that in a certain atmospheric situation, a falling raindrop, having an initial mass of 0.010g. collects smaller droplets by collision at such a rate that, after ...
*February 5, 2009 by Larry King*

**Math**

1. Find the area of a segment of height 22.1 inches in a circle of radius 6.42 ft. Draw a rough sketch of a circle showing the height and radius. Consider significant digits.
*January 21, 2013 by Prince*

**Chemistry**

How many moles of H2PO4 and HPO4 would be needed to prepare 1.0 L of a 0.01M phosphate buffer with a pH of 6.82? Use the Henderson-Hasselbalch equation. pH = pKa + log (base)/(acid). Thank you, but I guess what my question should have been is what is the acid in this question ...
*September 5, 2012 by Daniel*

**math**

which of the triangles described in the table is a right triangle? triangle side 1 side 2 side 3 Q 25 20 15 R 26 20 46 S 25 20 1025 T 25 26 650
*May 4, 2015 by Amanda *

**math**

The legs of a right triangle are 3 and 4 units long. Find the lengths, to the nearest tenth, of the segments into which the bisector of the right angle divides the hypotenuse. (Hint: Draw a picture of the triangle, label one segment of the hypotenuse "x," and solve. Then, move...
*June 8, 2012 by molly*

**trig**

Solve the triangle given the information:a=3, b=4, =40
*February 16, 2010 by anonymous*

**Trigonometry**

Solve for the ambiguous triangle. 1. Given: A=45; a=3; b=5 2. A=25; a=3; b=6
*November 19, 2012 by Jezrell*

**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
*February 12, 2015 by Anonymous*

**Physics**

dear Sir, I have some questions based on proportional reasoning and I hope you can help me thanks Larry king 1.5 Suppose that in a certain atmospheric situation, a falling raindrop, having an initial mass of 0.010g. collects smaller droplets by collision at such a rate that, ...
*February 4, 2009 by Larry King*

**Geometry**

I have two post that meet the ground perpendicular and the ground is level. One post is 40 feet high, the other is 25 feet high. If I draw a hypotenuse from the top of one post to the base of the other post and another hypotenuse from the top of the other post to the base of ...
*July 9, 2013 by Josh*

**Geometry**

Two forces are pushing on an object, one at 12 lbs of Force and one at 5.66 lbs of Force. The angle between them is 35 (each is 72.5 from horizontal, such that the forces make a v with the object in the center). 17. What is the total Force on the object? 18. What is the ...
*June 5, 2012 by Amber *

**math**

Determine whether the following argument is correct. If it's not correct, explain what is wrong with ther argument and change the minor premise to make a correct argument. If a triangle is equilateral, then it has three equal sides. Triangle ABC doesn't have three equal sides...
*December 11, 2012 by kai*

**chemistry**

Write the balanced net ionic equation for the following reaction and determine the conjugate acid-base pairs. HNO3(aq)+Li2CO3(aq)<--->LiNo3(aq)+LiHCO3(aq) Which component in the net ionic equation is the acid, the base, the conjugate base, and the conjugate acid Thank you
*April 29, 2015 by kim*

**Word Problem**

A grander want to create a triangular garden in the shape of a right triangle with shortest side length x-6y ft. and the middle length side x + 6y ft. what is an algebraic expression for the area of the garden? Be sure to multiply this out and express in simplest correct ...
*March 15, 2011 by Miguel*

**Intermediate Algebra**

A gardner wants to create a triangular garden in the shape of a right triangle with shaortest side length x-8y ft and the middle length side x+6y ft. What is an algebraic expression for the area of the garden? Be sure to multiply this out and express in simplist correct ...
*June 8, 2012 by ladybug*

**Math**

1. Write the ratio in the simplest form. 50: 10 (1 point) 25: 5 10: 2 5: 1* 1: 5 2. Solve the following proportion x over 2 = 8 over 9 (1 point) 144 0.44 1.78* 36 3. Sarahs mother has a miniature village modeled after her home town. The model is 10 feet long and 7 feet wide. ...
*January 15, 2014 by anonymous*

**math**

a tank is in the shape of a triangular prism. If the triangular base has an area of 116 square feet, and the tank is 30 feet tall, how much water would the tank contain when it is full?
*February 13, 2011 by Anonymous*

**Math **

A rectangular garden has an area if 12a^2-5a-2m^2 A.) Write the area as the product of two binomials with integer coefficients B.) the garden is to be completely enclosed by a path 1 m wide. find and simplify an expression for the area of the path C.) the path is concrete, ...
*September 28, 2014 by Maya*

**Calculus**

Find the area between the curve y=4/x and the x-axis from x=1 to x=e. It is a review question for my final exam and I am really stuck on how to solve You should hope for a final exam question so easy. area= INT y dx= INT 4/x dx from 1 to e area= 4ln x from 1 to e
*April 29, 2007 by Evan*

**Maths/Right Triangle**

There must be a relationship (formula) between the lengths of the sides of a Right Triangle and the angles opposite these sides. Help Please. Mike. Look at the law os sines or cosines. Law of sines a/sin(A) = b/sin(B) = c/sin(C) Law of cosines a2 = b2 + c2 - 2bc cos(A) b2 = c2...
*October 21, 2006 by Mike*

**Chemistry(Please check)**

1) Which of the following is not amphiprotic? H20, NH4^+^, HSO4^-^, H2PO4^-^, all choices are amphiprotic. I think that all of these are amphiprotic. I know for sure that H20 and H2PO4^-^ are. 2) The ion HPO4^-^ has both a conjugate base as well as a conjugate acid. The ...
*March 24, 2012 by Hannah*

**math**

1. A baseball diamond is actually a square, 90 feet on each side. What is the distance from third base to first base? 2. The equation gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet. a) Solve this equation for h b) Mammoth ...
*August 30, 2010 by summer*

**math**

1. A baseball diamond is actually a square, 90 feet on each side. What is the distance from third base to first base? 2. The equation gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet. a) Solve this equation for h b) Mammoth ...
*September 4, 2010 by summer*

**Calculus**

How do you prove area of a circle? Integrate an incremental area dArea = r dr dTheta from r=0 to R, and Theta from zero to 2PI radians. Area= INT INT dTheta rdr dTheta Area= 2PI (1/2 R^2)= PI R^2
*March 1, 2007 by Abigail*

**ALGEBA 1B**

CAN YOU HELP WITH A FORMULA FOR A RIGHT ANGLE WITH A SIDE OF 24KM A LEGENHT OF 25KM AND A BASE B
*January 21, 2013 by bernie*