
math
A right cylinder has a radius of 6 m and a surface area of 84 m². Find the surface area of a similar cylinder with a radius of 2 m
asked by wilma on January 17, 2019 
Geometry
Triangle DEF ~ Triangle HJK, and the scale factor of Triangle DEF to Triangle HJK is 5/2. If EF=15, find JK
asked by April on June 16, 2010 
Linear Relations MATHS
If A = (4,6) and B = (6,7), find: (a) the coordinates of the point P on the line segment AB such that AP:Pb = 3:1 (b) the coordinates of the point P on the line AB such that AP:AB = 3:1 and P is closer to point B than to point A
asked by GEORGE on December 22, 2016 
math
the sum of 3 numbers is 301. the second number is 3 less than 12 times the first number. the third number is 4 more than 7 times the first number. find the 3 numbers
asked by taylor on October 4, 2009 
math
if a group of students are facing each other in a circle and student 2 is facing student 9 how do i find out how many students are in the circle
asked by melody on December 3, 2009 
Statistics
1) Find the missing parameter 1.mean 15, 30.15 %, above 50; what is the standard deviation 2.mean 75, 5.05% below 30; what is the standard deviation 3.standard deviation 9, 85.08% below 105: what is the mean 4.standard deviation 16.8, 15.62% above 18.3:
asked by LT on October 17, 2007 
math
find the linear function f(x(=mx+b whose graph has the given slope and y intercept. slope is +19/15 and yintercept is (0,4) the linear function is f(x)=
asked by Anonymous on September 21, 2010 
Algebra
The length of a rectangle is 5 meters more than its width. The perimeter is 66 meters. Find the length and the width of the rectangle
asked by Alex on March 25, 2014 
trigonometry
find without tables or calculator. (1) sin^2 (22 1/2) cos^2 (22 1/2) (2) sin 60 cos 30 + sin 30 cos 60 (3) cos(90y) = sin 56degree 47^i
asked by matrixxavier on July 26, 2008 
math
The area of a triangle with base b and height h is given by the formula A = ½ bh. Find the area of a triangle when the base is 9.0 cm and the height is 6.2 cm
asked by marie on November 20, 2009 
Geometry
ABCD is a square. If one side of the square measures 2x – 5 inches and the other side measures x + 8 inches, find x.
asked by Anonymous on July 12, 2013 
Maths
Length of rectangle is 8 metres less than twice it's breath. If perimeter of rectangle is 56 metres. Find it's length and breath
asked by Usha priya on January 27, 2017 
algebra
Find value of log (base 8)log (base 2) log (base 3)log (base 3) (27)^3 I endedup with 1.000063462 which was wrong
asked by TC on November 6, 2011 
word problem money
you have $ 1.55 in dimes and quarters. find all the possible combinations of coins that you might have i got; 1) 1 quarters 13 dimes 2) 3 quarters 8 dimes 3) 5 quarters and 3 dimes is this right 3 ways?
asked by marko on April 2, 2012 
physics
An archaeologist begins a trip by first walking 30km southeast from the campsite. He stops and sets up a temporal camp for the night. On the second day, he walks 60km in direction 60 degree north of east, at which point he discovers the ancient city of
asked by Chansa on May 4, 2016 
simple harmonic motion
So I have the following information: Amplitude (A)=1.60mm, Angular Velocity (w)=2760 and phase constant (o) = pi/2. and I need to find: a)the period of oscillation. b)maximum speed. c)max magnitude of acceleration. Firstly I dont want anyone to give away
asked by Anon on October 9, 2017 
Chemistry
An unknown molybdate (MoO4^2) solution (50.00ml) was passed through a column containing Zn(s) to convert molybdate into Mo^3+. One mole of MoO4^2 gives one mole of Mo^3+. The resulting sample required 22.11 ml of 0.01234 M KMnO4 to reach a purple end
asked by Ken on October 17, 2011 
math calc. asap asap please
the point on the curve is 4y=x^2 nearest to (7,2) is: this is what i did: i solved for y and I know that the there's a tangent line at (x1,y1). so using yy1=m(xx1), I found the lines of the tangent and perpendicual lines: slope is derivative so it is
asked by Anonymous on October 23, 2006 
English
I looked up the synonyms in the thesaurus. Can you please check if everything is correct? 1) The tempest is caused by Prospero. 2) Prospero confesses Miranda (or to Miranda?) that he was .... 3) I couldn't find a synonym for "set adrift" : Prospero was set
asked by Franco on February 15, 2010 
Math (Trigenometry) 3
Write f(x)=x^412x^3+59x^22138x+130 as a product of linear factors. I listed the factors of 130 and used synthetic division, but none of the remainders came out to be 0. I graphed the function, but the function doesn't pass through the xaxis. I figured I
asked by 2012 on February 8, 2011 
Math (Trigenometry)
Write f(x)=x^412x^3+59x^22138x+130 as a product of linear factors. I listed the factors of 130 and used synthetic division, but none of the remainders came out to be 0. I graphed the function, but the function doesn't pass through the xaxis. I figured I
asked by Anonymous on February 8, 2011 
College Algebra
If 24% of your monthly pay is withheld for federal income taxes and another 6% is withheld for Social Security, state income tax, and other miscellaneous items, leaving you with $989.50 a month in takehome pay, then the amount you earned before the
asked by Nancy on April 19, 2011 
Math (Trigenometry)
Write f(x)=x^412x^3+59x^2138x+130 as a product of linear factors. I listed the factors of 130 and used synthetic division, but none of the remainders came out to be 0. I graphed the function, but the function doesn't pass through the xaxis. I figured I
asked by Anonymous on February 8, 2011 
History
Why was selfrule initially difficult for the Congo? Selfrule was initially difficult because the Congolese had no experience running companies or governments. They also fought among themselves because they belonged to many different ethnic groups. The
asked by Maggie on August 14, 2007 
PROBABILITY
FIND THE EXPECTED PROFIT OR LOSS VALUE FOR 100,000 POLICIES: AN INSURANCE POLICY SELLS FOR $625. BASED ON PAST DATA, AN VERRAGE OF 1 IN 100 POLICY HOLDESWILL FILE $8000 claim, nd average of 1 in 250 policholders will file a $10,00 claim,and an average o 1
asked by SNOOPY on April 17, 2008 
US History
Hello, I am filling out a study guide for a test coming up in two days, and I can not seem to find this answer in my text book. Could someone please help? Which of the following is true of the Korean conflict? A. It ended with an enormous American victory.
asked by Brooke on April 27, 2016 
algebra
Solve problem. Telephoto lens. find the image distance i for an object that is 2,000,000 mm from a 250mm telephoto lens. tel formula is 1/f=1/o + 1/i 1/250=1/2,000,000 + 1/i 5i(1/250)=(1/2,000,000 + 1/i)5i 1/50i = 5i/400,000i + 5i/5i 1/10i = 5i/80,000i +
asked by Sandra on July 19, 2009 
college
I will like to know are these correct sentences. Their are three kids in the room. We have been married for 20 years, and are relationship is as strong as ever. I’m having trouble with my car. Can you give me some advise? The diplomats are doing what
asked by samantha on November 18, 2010 
math  calculus help!
An inverted conical tank (with vertex down) is 14 feet across the top and 24 feet deep. If water is flowing in at a rate of 12 ft3/min, find the rate of change of the depth of the water when the water is 10 feet deep. 0.229 ft/min 0.449 ft/min 0.669 ft/min
asked by Danni on January 4, 2017 
mechanics physics
An electron moving at a speed of 5 x 10 raise to power 6m/s was shot through a sheet of paper which is 2.1 x 10 raise to power 4cm thick. The electron emerges from the paper with a speed of 2 x 10 raise to power 6 m/s. Find the time taken by the electron
asked by precious on January 6, 2013 
math
8.Mary invested RM3000 in two accounts, some at 12% per annum and the rest at 8 percent per annum.Her total interest for one year was RM3200.how much was invested at each rate? 9.RM 1999 was invested for a certain period. The simple interest earned was
asked by fizz on April 20, 2014 
physics
a thin wire with linear charge density _ is surrounded by a conducting cylindrical shell. (a) If the electric field must be zero inside a conductor, is the electric field due to the wire shielded from extending beyond the conducting shell? (b) Find the
asked by al on September 23, 2008 
mechanics physics
An electron moving at a speed of 5 x 10 raise to power 6m/s was shot through a sheet of paper which is 2.1 x 10 raise to power 4cm thick. The electron emerges from the paper with a speed of 2 x 10 raise to power 6 m/s. Find the time taken by the electron
asked by precious on January 6, 2013 
Algebra II
1) There is a solution to x = (y5)^2 and x = (y 5 )^2 + 7 a) true b) false 2) There is no real solution to y = 1 and y = x^2 + 9 a) true b) false 3) the vertex of the graph of y = 3(x+ 9)^2 + 5 is a minimum value ? a) true b) false 4)find the center
asked by anonymous on April 17, 2011 
Math
Find the measure of Angle 1 and 2 measure of angle 1 = x measure of angle 2 = x6 the measure of angle 3 is a right angle which would be 90 degrees diagram looks like a T with another line coming from the upper left diagonally like from where the T the top
asked by Gerry on June 17, 2016 
Chemistry
Use activity coefficients to find the concentration of hydrogen ions in a solution of 75.0 mM butanoic acid and 0.01 M NaCl. The ionization constant of butanoic acid is Ka = 1.52 × 105. Take the size of C3H7COO– to be 500 pm. What is the concentration
asked by martini on October 11, 2013 
java
Write a program that will find the lowest common denominator of two numbers. The user will enter the two denominators, the program will output both the lowest common denominator and the multipliers required for each fraction. For example, if the user is
asked by tj on April 15, 2012 
Math(Please check answers)
These questions that I have completed are on a test review for my exam and I would just like to know if they are correct. These are only a few of the questions, I have more that are just not complete yet. Thank You! 1) List the intercepts for the graph of
asked by Hannah on October 6, 2010 
mechanics physics
An electron moving at a speed of 5 x 10 raise to power 6m/s was shot through a sheet of paper which is 2.1 x 10 raise to power 4cm thick. The electron emerges from the paper with a speed of 2 x 10 raise to power 6 m/s. Find the time taken by the electron
asked by precious on January 6, 2013 
Precalc
At the point were a line intersects a plane [with the equation (24x+32y+40z=480) and three points of A(5, 10, 1), B(6, 3, 6), and C(12, 1, 4)], the vector i, vector j, and vector kcoefficients of the line equal the corresponding values of x, y, and z
asked by Grace on January 7, 2012 
math
A rectangular field is to have an area of 500 sq m. a) write the perimeter, P, of the field as a function of the width, w. b) find the domain of the function in part a. c) use a graphing calculator to sketch the graph of the function in part a. d) describe
asked by Meli on January 28, 2014 
mechanics physics
An electron moving at a speed of 5 x 10 raise to power 6m/s was shot through a sheet of paper which is 2.1 x 10 raise to power 4cm thick. The electron emerges from the paper with a speed of 2 x 10 raise to power 6 m/s. Find the time taken by the electron
asked by precious on January 6, 2013 
Math
These questions that I have completed are on a test review for my exam and I would just like to know if they are correct. These are only a few of the questions, I have more that are just not complete yet. Thank You! 1) List the intercepts for the graph of
asked by Hannah on October 6, 2010 
applications of vectors
Two people are carrying a box. One person exerts a force of 150 pounds at an angle of 62.4 degrees with the horizontal. The other person exerts a force of 114 pounds at an angle of 54.9 degrees. Find the weight of the box.
asked by Anonymous on May 12, 2013 
algebra
1. Find the variation constant and and an equation of variation where y varies directly as x and y y=42 when x=6 variation constant is K= equation of variation is y= 2.Jack usually mows his lawn in 6 hours. Marilyn can mow the same yard in 4 hours. How
asked by Pinky P on January 3, 2012 
physics
a 1200kg car is moving on the freeway at 30 m/s. (a) Find the magnitude of its momentum and its kinetic energy in SI units. (b) At what speed, in m/s, will the car's momentum be half of what it is in part (a). (c) At what speed, in m/s, will the cars
asked by van on January 22, 2016 
Math check 4
Find the yintercepts for the function given by: f(x)= 4/(x+5)1/(x4)/2/(x3)+3/(x+2) Math check  Damon, Sunday, October 12, 2008 at 5:56pm The y axis intercepts are the values of the function when x = 0 4/5  [(1/4)] / [(2/3)] + 3/2 Math check 
asked by shawn on October 12, 2008 
physics
Please, anyone help me please. Q: An object is placed 17.8 cm from a first converging lens of focal length 13 cm. A second converging lens with focal length 24 cm is placed 10 cm to the right of the first converging lens. (Take the direction to the right
asked by Chan on April 19, 2010 
Algebra
A lawyer drives from her home, located 3 miles east and 9 miles north of the town courthouse, to her office, located 4 miles west and 15 miles south of the courthouse. Find the distance between the lawyer's home and her office.
asked by Frankie on September 18, 2018 
algebra
A weekend at the Beach Bay Hotel in Florida includes 2 nights and 4 meals. A week includes 7 nights and 10 meals. Let n = the cost of 1 night and m = the cost of 1 meal. Find the cost of 1 night and the cost of 1 meal. How do I set this up?
asked by name on November 2, 2017 
physics
A 6 mC charge experiences a force of 6 N directed north. What is the electric field (magnitude and direction) at the location of the charge? Would E=1000 N/C and direction is north Find the force (magnitude and direction) on a 20 mC charge that replaces
asked by Alex B. on May 4, 2012 
MATH
Assign variables and write equations for the following. Do not solve. The cost of a motorcycle is $200 less than 1/3 cost of a truck. If 3 motorcycles and 1 truck cost $35,400, find the cost of a motorcycle. Equations: Let __ = ___________ ____________ __
asked by John Dosley on December 17, 2016 
GEOMETRY
A bag contains 6 red poker chips, 5 white poker chips, and 5 blue poker chips. If two poker chips are drawn from the bag, find the probability that the first one is blue and the second one is white. (write your answer as a fraction in lowest terms.)
asked by TIERNEY on June 26, 2016 
Math
A pharmacist is to prepare 30 milliliters of a solution with a drug concentration of 2 mg/mL. To do so, he will mix a solution with a drug concentration of 7 mg/mL with grapeflavored syrup. If 𝑥 represents the number of milliliters of grapeflavored
asked by Help Please! on December 15, 2015 
Math
Danielle will use the instructions in the box below to make a cleaning solution "Add 13 cups of water to every 2 cups of concentrated cleaner" Which of the following proportions can be used to find W, the number of cups of water Danielle will add to 5 cups
asked by Lyla on May 6, 2018 
Maths
A plane flies a course of 346 degrees and then turns through 30 degrees in the clockwise direction. Find its new bearing. Since the plane from starting point covers a bearing of 346 degrees it's now going to be in the NW direction but going 30 more degrees
asked by James on October 18, 2016 
Precalculas
The function C(x)=x2−4x+28 models the cost, in hundreds of dollars, to produce x thousand pens. Find the total cost to produce 36,000, 139,000, and 222,000 pens. (a) Cost to produce 36,000 pens is?
asked by Answer please! on January 19, 2016 
Math
Kate cycles the first 350 km of a 470 km journey at a certain average speed and the remaining distance at an average speed that is 15 km/h less than that for the first part of the journey. If the time taken for her to travel each part of her journey is the
asked by James on November 2, 2016 
stats
In testing a new drug, researchers found that 1% of all patients using it will have a mild side effect. A random sample of 12 patients using the drug is selected. Find the probability that: (A) exactly one will have this mild side effect (B) at least one
asked by tina on November 23, 2011 
math
A company is designing a juice box. The box is in the shape of a rectangular prism. The base of the box is 6 1/2 inches by 2 1/2 inches, and th box is 4 inches high. If juice fills 90% of the box's volume, find the volume of juice in the box. Thank you!
asked by kymy on April 26, 2015 
PreCalc
The wattage rating of an appliance W varies jointly as the square of the current I and the resistance R. If the wattage is 1.5 watts when the current is 0.1 ampere and the resistance is 150 ohms, find the wattage when the current is 0.3 ampere and the
asked by Jackie on October 5, 2017 
Math
In testing a new drug, researchers found that 10% of all patients using it will have a mild side effect. A random sample of 14 patients using the drug is selected. Find the probability that: (A) exactly two will have this mild side effect (B) at least
asked by Jen on October 26, 2011 
MATH
Out of 1200 pupils in a school, 900 are boys and the rest are girls. If 20% of the boys and 30% of the girls wear spectacles,find: a.how many pupils in wear spectacles b.what percent of the total number of pupils wear spectacles.
asked by DD on July 1, 2016 
Stats
In testing a new drug, researchers found that 10% of all patients using it will have a mild side effect. A random sample of 14 patients using the drug is selected. Find the probability that: (A) exactly two will have this mild side effect (B) at least
asked by Jen on October 25, 2011 
statistics
For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. a. To the right of 2.120. (Use 3 decimals.) b. To the left of 1.337. (Use 2 decimals.) c. To the left of 1.746. (Use 2 decimals.) d. To the right of 2.583.
asked by Vanessa on April 21, 2014 
Statistics
. In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect. A random sample of 15 patients using the drug is selected. Find the probability that: (A) exactly three will have this mild side effect (B) at least
asked by mom on October 7, 2012 
calculus
a closed box with square base is to have a V= 2000in^3. The material for the top and bottom of the box is to cost $3 per square inch and the material for the sides is the cost $1.50 per square inch. If the cost of the material is to be the least, find the
asked by lauren on November 2, 2011 
algebra 1 question pls help!!!
1. Find the mean, median, and mode of the data set: 15, 16, 21, 23, 25, 25, 25, 39 a.mean = 23.6, median = 25, mode = 24 b.mean = 24, median = 23.6, mode = 25 c.mean = 24.6, median = 24, mode = 25 d.mean = 23.6, median = 24, mode = 25 This is what i got:
asked by TTR+S<3 on April 13, 2014 
statistics
. In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect. A random sample of 15 patients using the drug is selected. Find the probability that: (A) exactly three will have this mild side effect (B) at least
asked by mom on October 7, 2012 
Math
OUT OF 1200 PUPILS IN A SCHOOL 900 ARE BOYS AND THE REST ARE GIRLS. IF 20 % OF THE BOYS AND 30 % OF THE GIRLS WEAR SPECTACLES, FIND HOW MANY PUPILS IN ALL WEAR SPECTACLES AND WHAT PERCENT OF THE TOTAL NUMBER OF PUPILS WEAR SPECTACLES.
asked by Anonymous on March 25, 2019 
Algebra IIPlease check my calculation
Find center, vertices, covertices and foci for the following; (x3(^2/49 + (y4)^2/4 = 1 Center would be (3,4) A=7 b=2 Vertices would be found this way: (h+a,k) (37,4) (3+7,4) Vertices = (4,4) (10,4) Covertices (h,k+b) (3,42) (3,4+2)
asked by Sheila on March 28, 2011 
math,correction,plz
Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. Problem #54 (6radical(20))/(2) My answer: 3radical(5) Problem #50 Find the area of the rectangle shown in the figure. width = radical (3) +
asked by jas20 on March 10, 2007 
Psychology
A weathy married man in China is having an affair with a beautiful young women who sems primarily attracted to his financial status. At the same time, similar situations are occurring across other races and nations. Sociobiologists would say: A) these
asked by Rena on August 22, 2010 
math
The average cost per item, C, in dollars, of manufacturing a quantity q of cell phones is given by C= (a/q) + b where a and b are positive constants a.Find the rate of change of C as q increases. What are its units? b. Currently, 5000 phones are being made
asked by piper on April 8, 2010 
Math
A physical fitness association is including the mile run in its secondaryschool fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 450 seconds and a standard deviation of 50 seconds.
asked by Chris on October 12, 2009 
algebra
A florist plans to make 5 Identical bridesmaid bouquets for a weeding. She budgeted £ 610 and she want to 24 flowers for each bouquet. She want to use three types of flowers namely; roses, tulips and lilies . A survey of prices shows roses cost £6,
asked by Emmanuel on April 7, 2018 
Math
Can't figure this out... :( An isosceles trapezium with its longest side facing upward has an area of 145cm^2. Find the amount of material needed to make up the sides of the trapezium, when the side facing upward does not need to be covered (i.e. Perimeter
asked by Emila on August 25, 2014 
math
Liz finances a piano for $3,080 by taking out an installment loan for 60 months. The payments were $82.13 per month and the total finance charge was $1,847.80. After 24 months, Liz decided to pay off the loan. After calculating the finance charge rebate,
asked by Thomas22 on May 16, 2018 
Physics
I have a question 26. A box weighing 85 N rests on a table. A rope tied to the box runs vertically upward over a pully and a weight is hung form the other end. Detrmine the force that the table exerts on the box if the weight hanging on the other side of
asked by Physics on August 25, 2009 
chemistry
in a particular experiment, 150.0 g of ammonium chloride were reacted with 290.0 g of barium hydroxide octahydrate, producing 157.2 g of water 1. find the limiting reagent in this situation 2. calculate the theoretical yield of water 3. calculate the
asked by ama on July 14, 2012 
PreAlgebra
Question is: What is the algebraic equation to determine when they will meet? For the following information, I understand 5(x+y) = 3000 for 1st plane & 10(xy) = 3000 for 2nd plane. When an airplane flies with a given wind, it can travel 3000 km in 5hrs.
asked by Carol on November 13, 2011 
math
The average cost per item, C, in dollars, of manufacturing a quantity q of cell phones is given by C= (a/q) + b where a and b are positive constants a.Find the rate of change of C as q increases. What are its units? b. Currently, 5000 phones are being made
asked by piper on April 7, 2010 
PreAlgebra
Question is: What is the algebraic equation to determine when they will meet? For the following information, I understand 5(x+y) = 3000 for 1st plane & 10(xy) = 3000 for 2nd plane. When an airplane flies with a given wind, it can travel 3000 km in 5hrs.
asked by Carol on November 13, 2011 
PHYSICS
Two metal rods  one copper the other aluminum  are connected in series, as shown in the figure below. Note that each rod is 0.525 m in length, and has a square cross section 1.25 cm on a side. The temperature at the copper end of the rods is 2.00°C;
asked by jawn on November 23, 2009 
math
A physical fitness association is including the mile run in its secondaryschool fitness test. The time for this event for boys in secondary school is known to posses a normal distribution with a mean of 450 seconds and a standard deviation of 50 seconds.
asked by Rmz on January 27, 2010 
gen physics
Vector A has a magnitude of 71 units and points due west, while vector B has the same magnitude and points due south. Find the magnitude and direction of (a) A + B and (b) A  B . Specify the directions relative to due west.
asked by ODU on July 2, 2013 
Mathematics
The formula Total cost = Cost + Shipping cost  Holding cost is used to find the total cost of a business asset. The formula can be written in symbols as T=C+S+H. Solve the formula for C, the the cost of the asset. C=
asked by Abby on December 17, 2013 
Geometry
To find the height of a flagpole Kasey measured her own shadow and the flagpoles shadow. KAsy's height is 5ft 4 inches. The shadow of the flagpole was 14ft and 3 inches and her shadow was exactly 3 ft. What is the height of the flagpole
asked by Anonymous on January 19, 2016 
Geometery
For triangle MNP, find the value of x and the measure of each of the three angles. at the top of the triangle is X degrees and that is angle M at the bottom left of the triangle is (2x1) degrees and that is angle P at the bottom right of the triangle is
asked by reece on January 19, 2015 
Calculus
Suppose the integral from 2 to 6 of g of x, dx equals 12 and the integral from 5 to 6 of g of x, dx equals negative 3 , find the value of the integral from 2 to 5 of 3 times g of x, dx. A. 45
asked by Justin on June 14, 2019 
Algebra, math
a plan can fly 1200 miles with the wind in 3 hours, while it takes the same plan 4 hours to fly the same distance against the wind. Find the speed of the plan in still air, and the speed of the wind.
asked by Mashael on May 29, 2014 
algebra 1 help
One number is 6 more than another. If the sum of the smaller number and 3 times the larger number is 34, find the two numbers. what am i suppose to do i am reading as this but i know i am wrong 34=(x+6)+y*3 n + 3(n+6)=34 n is the smaller. the sum of the
asked by linda on March 30, 2007 
Math
The average score on a recent test was 75%. One of the students earned a grade of 93% while another student earned a grade of 78%. A total of 23 students took the test. Find the average grade of the remaining 21 students.
asked by Emily on December 1, 2016 
Physics
Vector points in the positive x direction and has a magnitude of 75m . The vector C=A+B points in the positive y direction and has a magnitude of 95m . Sketch A, B, and C with tails at dot.Find the direction of the vector B
asked by Hiral on June 28, 2012 
chemistry
A mixture of carbon and sulphur has a mass of 9.0 g. Complete combustion with excess oxygen gives 22.6 g of a mixture of carbon dioxide and sulphur dioxide. Find the mass of sulphur in the original mixture
asked by KB on September 22, 2011 
algebra
a polynomial equation with rational coefficients has the roots 7+sgrt3, 2sgrt6 find two additional roots 7sgrt3, 2+sgrt6 3sgrt7, 6+sgrt2 7+sgrt3, 2sgrt6 3+sgrt7, 6=sgrt2 could someone help
asked by lee on November 14, 2012 
statistics
An urn contains 4 blue balls, 5 yellow balls and 7 red balls. if a single ball is selected, find the probability thet the ball is Red? Not blue? blue or yellow
asked by Andrea on February 15, 2011 
Math
A ship sailed from port A to port B on the bearing N65°E a distance of 20km sailed from port B to port C on S25°E, a distance of 240km. a) Calculate the distance between A and C b) Find i) Bearing of C from A ii)Bearing of A from C
asked by Kofi on July 3, 2019 
Math
The art teacher bought some boxes of colored pencils with 7 pencils in each box. She bought a total of 28 pencils. Write an equation that you could use to find how many boxes the art teacher bought.
asked by Noah on September 5, 2018 
mathsprobabilty
Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2
asked by anoynomous on March 20, 2013
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