
math
The ratio of the radii of two circles is 2:3. Find the ratio of their circumference and the ratio of their areas
asked by mansi on August 23, 2012 
Algebra
The function f(x) satisfies f(sqrt(x+1))=1/x for all x>= 1, x does not = 0. Find f(2). Couldn't you just plug it in? sqrt(3) would be 1/sqrt 3? Thank you.
asked by Trish Goal on October 23, 2014 
Trig
Given sin theta = 3/5 and 0 is in quad 2, find Cos theta and tan theta
asked by Betty on September 21, 2011 
Math
In the rhombus, angle 1=15x, angle 2=x+y, and angle 3=30z. Find the value of each variable.
asked by Sierra on March 10, 2014 
math
twice the sum of a number and 3 is equal to three times the difference of the number and 9. find the number
asked by mandy on December 12, 2012 
geometry
okay, if I have a square, and know the square footagehow can I find the middle of that square? I can't figure this out for the life of me.
asked by Rick on April 6, 2010 
English Launguage Arts 6th feet
Does anyone know a website that i can go and find main verbs, auxiliary verbs, and linking verbs Thanks
asked by M.P.L on April 27, 2010 
math
Find opxthe volume of a rectangular box 9 feet by 7.1 feet by 7 feet.
asked by Noel on September 1, 2013 
math,word problem
Twice the square of a certain whole number added to 3 times the number makes 90.Find the number.
asked by Raha on September 17, 2011 
math
If sin(x) = /45 and cos(y) = 5/13 with both x and y terminating in quadrant 1 find the exact value of cos(xy) cos(4/5  5/13) Is this what I would do?
asked by Bryan on March 19, 2010 
Please help!!!)
If sin(x) = /45 and cos(y) = 5/13 with both x and y terminating in quadrant 1 find the exact value of cos(xy) cos(4/5  5/13) Is this what I would do?
asked by Bryan on March 19, 2010 
Algebra
The difference between 5 times a number and 20 equals the sum of the number and 40. Find the number
asked by Ryan on December 1, 2016 
Math
Let $$f(x) = \frac{x^2}{x^2  1}.$$Find the largest integer $n$ so that $f(2) \cdot f(3) \cdot f(4) \cdots f(n1) \cdot f(n) < 1.98.$
asked by Help on October 6, 2017 
Maths
Given that sin theta=5/7 and theta is acute. Find without using the table value of cos theta
asked by Destiny khadija on May 30, 2016 
Math
Use the method of Gauss to find the sum. 2+4+6+...+300 is it 300(300+2)/2 = 45300
asked by Meghan on May 10, 2010 
trigonometry
if sin where defined=1/5 and where defined is in quadrant I find the exact value of sin2 where defined
asked by sarah on June 12, 2011 
math
the sum of 5/3 and twice a number is equal to 16/3 subtracted from three times the number. find the number
asked by mandy on December 12, 2012 
Math
(a) Find the number c such that the limit below exists. Limit as x goes to 2 of: x^2+cx=c3/x^2+2x (b) Calculate the limit for the value of c in part (a).
asked by Andrew on October 24, 2012 
Geometry
Find BC if line AD is an altitude of
asked by Sharon on October 10, 2010 
Geometry
In parallelogram PQRS, angle P=(119y)° and angle Q=(3y15)°. Find the measure of angle S.
asked by Cindy on September 12, 2010 
value
If 13 Times A Number Is Subtracted From The Square Of The Number,the Result Is 30.Find The Number.
asked by value on October 16, 2016 
Math
If sin(x) = /45 and cos(y) = 5/13 with both x and y terminating in quadrant 1 find the exact value of cos(xy) cos(4/5  5/13) Is this what I would do?
asked by Bryan on March 19, 2010 
Geometry
One side of a prallelogram is 4.8 cm and the other side is 3/2 times the first side,find the perimeter of the parallelogram
asked by Geometry on November 18, 2016 
Algebra/I hope this is the last time.
Find three ordered pairs that satisfy the equation. y=x+4 x,y= (0, answer 0,4 x,y= (1, answer 1,5 x,y= (2, answer 2,1 Thank you everyone very much.
asked by Mary Ann on June 11, 2014 
math
Which equation should be used to solve this problem? There is a number that is 8 less than the sum of 20 + 12. Find the number. Let n = the number.
asked by Anonymous on November 28, 2010 
maths
In a figure angle a =90, AB=16cm and tan angle C=4/5.find(a)AC ,(b)BC(C) ANGLE C(D)DISTANCE FROM A TO BC.
asked by SWETA on June 6, 2007 
Calculus
If the local linear approximation of f(x)=4x+e^2x at x=1 is used to find the approximation for f(1.1), then the % error of this approximation is Between 0% and 4% Between 5% and 10% Between 11% and 15% Greater than 15%
asked by Pleaseee on December 26, 2018 
physics
find displacement 4 vectors (1) 40 meters @10, (2) 30 meters @ 190 and (1)50 meters @ 280
asked by Anonymous on November 6, 2014 
Trig
Can someone check my answers? Find # of triangles possible:
asked by K on September 21, 2016 
Geometry
BD bisects angle abc so that m angle abd is x5 and m angle cbd is 2x6. find the value of X
asked by Anonymous on September 5, 2018 
Pre  CALCULUS
Graph the function. Then use your graph to find the indicated limit. You do not have to provide the graph f(x) = 5x  3,lim x >5 f(x)
asked by Ciara on April 15, 2015 
math
a square has an area of 256 square inches. Find the perimeter of the square.
asked by Ayanna on October 26, 2017 
maths
four times a certain number is equal to the number subtracted from forty.find the number
asked by bello on August 9, 2016 
Trigonometry
Find the exact value of tan2(Beta) if sin(Beta) = 5/13 (Beta in Quadrant II)
asked by Marie on August 3, 2012 
PRE  CALCULUS
Graph the function. Then use your graph to find the indicated limit. You do not have to provide the graph f(x) = 5x  3,lim x >5 f(x)
asked by Ciara on April 14, 2015 
math
The length of a rectangle is 5 cm more than twice the width. The perimeter of the rectangle is 34 cm. Find the dimensions of the rectangle.
asked by Angie on April 1, 2009 
MATH
if 5 times a certain integer ìs subtracted from twice the square of the integer the result is 63. find the integer
asked by GRACE on February 8, 2013 
math
i need to find when the function increases or decreases, this is the derivative of the function (10 − 3x)/(2 ¡î5 − x) but how do you solve the function when x is zero?
asked by kwack on September 7, 2010 
Math
Find each function value. h(x) = x^2  8x + 1 h(1) plug in My answer is 8. The correct answer is 10 ? I don't how the answer is 10
asked by Aria on December 8, 2016 
algebra 2
how to find the value of sec theta 15/4 and Tan theta 12 when theta is greater than zero and less than 360
asked by amy on April 1, 2017 
fundamentals of math
if 3 is added to a number and this sum is doubled, the result is two more than the number. Find the number.
asked by laura on January 17, 2013 
Pre  CALCULUS
Graph the function. Then use your graph to find the indicated limit. You do not have to provide the graph f(x) = 5x  3,lim x >5 f(x)
asked by Ciara on April 14, 2015 
Algebra
4x+y=3 find the slope using the slope form formula y=mx+b slope=rise/run
asked by Lindsay on July 8, 2008 
Please help with Algebra 2 Ms. Sue
A triangle has vertices at A(3,4),B(3,2),C(1,4). Is the triangle a right triangle? Explain. How do I find the answer? I am not sure what equation to use.
asked by maczinthehouse on September 15, 2016 
math
if 13 times a number is subtracted from the square of the number the result is 30. find the number.
asked by urugba on October 23, 2018 
MATH
the square of a number is equal to the sum of 21 and 4 times the number. find the number X=3 X=7 RIGHT?
asked by LISA on January 4, 2012 
ALGEBRA 1
The square of a number is equal to the sum of 21 and 4 times the number. Find the number
asked by CRAig on January 4, 2012 
Maths
The three angles of a triangle are (x25) degrees, (2x+40)degrees and 30 degrees. find the magnitude of each angle.
asked by Jermaine on February 9, 2010 
Algebra
Another question about domains and range how would I find the range of (3x4)/(6x1) ? Without using a graph the domain is x can't be 1/6 What is the range?
asked by Amy on November 21, 2010 
math
Please help me to find the mode of each set of numbers.41, 43, 56, 67, 69, 72 There is no mode here. Mode is the most frequent value, all are the same frequency here.
asked by carmen on April 11, 2007 
Calculus
I need to find the second derivative of y=x(x1)^1/2. I found the first derivative is 2x1/2(x1)^1/2, if someone could check, but I am miserably stuck on the second derivative.
asked by Amie on April 18, 2011 
GeOmEtRy OnE qUeStIoN pLeAsE hElP!!!
Segment DF bisects angle EDG. Find FG. segment EF is n+9 segment FG is 4n6 Please Help me on this one question! I'd really appreciate it! Thank You :)!
asked by Zelda on December 20, 2011 
maths
if y variesdirectly partly as b andc if y=3,b=2,andc=2,andwhenny=2,b=3 andc=1/2 find k hence findc when y=4,b=1
asked by john on September 6, 2008 
Math
If sin (theta+24)=costheta where theta is acute angle .find theta
asked by Manish on June 10, 2017 
Math
twice the square of a positive number increased by three times the number is 14. find the number
asked by M on May 12, 2015 
Math
find the surface area of a rectangular prism that is 3 1/2 feet by 4 1/4 feet by 6 feet
asked by Anonymous on May 22, 2012 
Math
If the product of hcf n lcm of two numbers is 119 then find the two numbers if one of the numbers is not 1
asked by Upendra yadav on August 27, 2017 
MATH
in the square, A represents the area of the square. Find the value of a such that A is equal to two times the square.
asked by John Dosley on September 19, 2016 
Algebra 1
Given x^2+10x3, find the following. a.g(9) My answer is 168 b. g(1) My answer is 8 c. g(3) My answer is 24 Are my answers correct?
asked by Stephon on October 1, 2017 
math; distributive property;perimeter of a triangl
How do I find the perimeter of a triangle if each side has an expression such as: 3x, and the second side let's say 4y, or the third side is 3x...something like that. Please help. I'm trying to study.
asked by Kyra on November 14, 2010 
pre algebra
find the area of a trapezoid with height 6 centimeters and bases 8 centimeters and 4 centimeters.
asked by lavena on June 16, 2010 
maths
A.If 0 is less than or equal to thita is less than 360 ,find all possible value of thita such that : 1.Sin thita =0.5623
asked by Rose on March 29, 2016 
math
sin theta=3/5 and theta is in the third quadrant, find the following: cos(theta+180/3)
asked by k'naffi on June 11, 2015 
maths
Find the equation of each line a) with an x intercept the same as 2x5y=10 and parallel to x=4 b) with an xintercept of 4 and a yintercept of 6 please help me, I have no idea how to do these
asked by Audrey on October 16, 2007 
Math
Bayes' theorem problem, Struggling with this the whole night, please help.Thank you. Two states of nature exist for a particular situation: a good economy and a poor economy. An economic study may be performed to obtain more information about which of
asked by Queenie on July 4, 2016 
Math (Algebra 1)
Consider the ages of 5 brothers: 32, 26, 28, 30, 28. Determine which of the following are true if a new brother is adopted at age 10. A) The median will decrease B) The mean will decrease C) The range will increase D) The standard deviation will decrease
asked by Jordan on October 19, 2013 
Math
Find the three median y values that would form the summary points of the medianmedian line for the dataset table. X: 24.9, 7.2, 15.1, 19.8, 10.3, 2.7, 21.3, 14.7, 17.6, 14.9, 4.4, 7.4, 11.6 Y: 38, 40, 25, 35, 21, 26, 46, 24, 44, 21, 36, 22, 20 A. 0.293 B.
asked by AKIRAA on December 12, 2018 
Multiplevariable calculus
Hello, I have to find the volume of the region enclosed by the paraboloid z=(x^2)+(y^2) and the planes z=1 and z=3 , so well i am struggling about the limits of each integral. I know that I can use cylindrical coordinates, but what about the limits in z? I
asked by Alice on August 27, 2017 
MAth
500 candidates appeared for a certain test. The mean scores was 59 and variance was 25. Assuming the distribution to be normal. find 1.% of candidates scoring 64 and above. 2. No. of candidates having score between 54 and 69. ( Given : For a s.n.v.z, the
asked by Hemant on April 17, 2010 
8th Grade Math
The temperature in Toronto at noon during a winter day measured 4°C. The temperature started dropping 2° every hour. Which inequality can be used to find the number of hours, x, after which the temperature will measure below 3°C? Can you please check
asked by Elise on November 5, 2015 
Trig
Find all values of theta where 0degrees
asked by Lara on February 13, 2016 
math
The diagram uses a scale of 1/4in:30ft. Explain hoe to use the scale and scale drawing to find actual soccer field dimensions. Is the correct answer 1in.:120ft
asked by Amanda on December 2, 2014 
Math
A simply supported beam is 6 meters long and has a mass of 15 kg/m of length. It carries loads = 180 N and 270 N at points 1.2 meters and 3.6 meters from the left end respectively. Find the reactions.
asked by Todd on July 4, 2013 
Chemistry
When mixing 10m/L of 6 M HCl (diluted with 10 mL of water) with 0.1 g of Mg, how many moles of H2 are created and how many moles of Mg are reactant? I understand I must use n=(PV)/(RT) to find H2, since it is a gas, but the constant R is still confusing to
asked by Kendra on February 26, 2017 
Physics Honors
A basketball is thrown horizontally from a window that is 22 meters high. If the initial velocity of the ball 18 m/s, find how long the ball takes to reach the ground and how far the ball lands from the building?
asked by Allison on October 23, 2011 
Economics
I'm supposed to use a price index for GDP chart to find the GPD deflator of 1983 how do i do that? To get the chart google nipa bea chart,click the first choice, and select tale 1.1.4
asked by Mark on May 9, 2010 
Grapes of Wrath
What are some examples of rhetorical strategies in the Grapes of Wrath by John Steinbeck? I've found six so far, but I can't seem to find anymore. I've found one or two foreshadowing, two similes, and one example of personification. I found a couple others
asked by Anonymous on August 17, 2009 
physics
Three carts of masses 5 kg, 12 kg, and 3 kg move on a frictionless horizontal track with speeds of 5 m/s, 8 m/s, and 4 m/s, as shown in ﬁgure. The carts stick together after colliding. 5 kg 12 kg 3 kg 5 m/s 8 m/s 4 m/s Find the ﬁnal velocity of the
asked by ntirandekura on February 1, 2012 
Math Algebra 2
A rectangular garden is fenced on three sides with a wall forming the fourth side. the total length of the fence is 70m. the area if the garden is 600m^2. find the dimensions of the garden.
asked by Ana on March 20, 2011 
physicS
A block slides down a frictionless plane having an inclination of 14.6°. If the block starts from rest at the top and the length of this incline is 1.90 m, find the acceleration of the block. can someone just help me out with the equation I should be
asked by West on November 3, 2010 
Math
Yesterday someone posted my exact question, but I can't find the answer. What is area/perimeter of capital letters: I, U, and J? I know that area= lxw P= add up all the sides The area part is hard to figure
asked by Jenna on May 19, 2010 
San Jose city college
Suppose a plane flying west a distance of 600 miles take 6 hours .The return trip take 5 hour . Find the airspeed of the plane and the effect wind resistance has on the plane?
asked by Hung on October 28, 2015 
MATHS
Find the largest possible integer n such that there exists a nonconstant quadratic polynomial f(x) with integer coefficients satisfying f(1)∣f(2),f(2)∣f(3),…f(n−1)∣f(n). Details and assumptions For (possibly negative or zero) integers m and k
asked by HELP!! on May 17, 2013 
PHYSICS
When a 8.88 kg mass is placed on top of a vertical spring, the spring compresses 4.54 cm . Part A Find the force constant of the spring. 8.88kg*9.81=87.1128 divided by4.54 =19.187N/CM 0.0001918784141 KN/M IS IT RIGHT? PLS HELP
asked by ani on March 25, 2017 
chemistry
Iron59 has a halflife of 45.1 days. How old is an iron nail if the Fe59 content is 25% that of a new sample of iron? Show all calculations leading to a solution. I am really confused on how to find t here? Can someone help? I can set up the rest of the
asked by Student101 on May 10, 2015 
physics again...
A 62.0 kg diver falls from rest into a swimming pool from a height of 3.50 m. It takes 1.92 s for the diver to stop after entering the water. Find the magnitude of the average force exerted on the diver during that time.
asked by rory on February 28, 2008 
SraJMcGin spanish
i just got home from rehersal and i have a spanisg collage due tomorrow i need to get ten oics about what i am doing in the next ten years and put sub headings under them in spanish. i will have these done by no later than 11 pm  it is ten sentences but
asked by sam on April 22, 2009 
math
A 4inchthick concrete slab is being poured for a circular patio 14 feet in diameter. Concrete costs $55 per cubic yard. Find the cost of the concrete, to the nearest cent.
asked by brittany on April 11, 2013 
Physics
An infinitely long line charge of uniform linear charge density λ = 3.00 µC/m lies parallel to the y axis at x = 2.00 m. A point charge of 4.70 µC is located at x = 1.50 m, y = 2.50 m. Find the electric field at x = 2.50 m, y = 2.00 m. I get 23.7
asked by Paul on October 9, 2011 
physics
The altitude of a hang glider is increasing at a rate of 7.35 m/s. At the same time, the shadow of the glider moves along the ground at a speed of 14.5 m/s when the sun is directly overhead. Find the magnitude of the glider's velocity.
asked by Anonymous on September 5, 2012 
Physics please help!!
A 86.0 kg diver falls from rest into a swimming pool from a height of 6.30 m. It takes 1.86 s for the diver to stop after entering the water. Find the magnitude of the average force exerted on the diver during that time.
asked by Megan on February 11, 2011 
algebra
Find the largest possible integer n such that there exists a nonconstant quadratic polynomial f(x) with integer coefficients satisfying f(1)∣f(2),f(2)∣f(3),…f(n−1)∣f(n). Details and assumptions: ~For (possibly negative or zero) integers m and k
asked by flex on May 13, 2013 
Precalc
Can someone please show me the steps to this problem...Thanks in advance. Let f(x) = Ð9xÐ. For the area above the xaxis and between the lines x= 9 and x=18 a. draw and label a sketch with the area shaded b. find the area of the region in the xyplane
asked by Amy on December 7, 2010 
american government
so my Assignment says Search the internet, newspapers or magazines for current information on what Congress is doing. Find out all you can about what Congress is up to and how their actions will influence the American population. i was wondering does
asked by sarah on August 23, 2011 
PreAlgebra
Can I have someone check this please? I wouldn't want to do the whole page, then find out I had done them all wrong. :( [Percents of Change] A $100 digital watch is now $72 Decrease, 72/100 = negative percent. 100/72.00 = .72 .72  1 = 30%? Thanks. 30% is
asked by Dean on October 27, 2009 
Physics
A car travels in a flat circle of radius R. At a certain instant the velocity of the car is 24 m/s west,and the acceleration of the car has componets of 2.4 m/s^2 east and 1.8m/s^2 south. Find the total displacement of the object (from t=0 to 25)
asked by Alex on October 16, 2012 
Physics
A dragster and driver together have mass 929.4 kg. The dragster, starting from rest, attains a speed of 26.5 m/s in 0.55s. Find the average acceleration of the dragster during this time interval. Answer in units of m/s^2
asked by Lynn on June 29, 2013 
Solid Mensuration
Find the lengths of the sides of the cylcic quadrilateral if one diagonal coincides with a diameter of a circle whose area is 36pi cm squared. The other diagonal measures 8 cm meets the fist diagonal at right angles.
asked by Jayson on November 2, 2014 
PreCalc
The displacement from equilibrium of an oscillating weight suspended by a spring and subject to the damping effect of friction is given by y(t) = (1/4)e^t cos6t, where y is the displacement in feet and t is the time in seconds. Find the displacement when
asked by Anonymous on September 9, 2015 
Physics
If a frictionless incline has a difference in height from one end to the other of 19.5 cm and has a length along the incline of 1.36 m, find the time it takes for a block of 1.1 kg, starting from rest, to slide down the ramp from the top to the bottom of
asked by name on February 15, 2014
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