# mathematics

Most popular questions-
## mathematics

The given is, m angle HER=5y-26 m angle ROH=2y+40. And find: m angle ROH.

*asked by jona may on November 10, 2014* -
## Mathematics

Twelve man take 6 hours to finish a piece of work. After the 12 men have worked for 1 hour, the contractor decides to call in 8 men so that the work can be completed earlier. How many more hours would 20 men take to complete the remaining work?

*asked by Celina on May 28, 2012* -
## Mathematics

A machine takes 4.2 hours to make 7 parts. At that rate, how many parts can the machine make in 28.8 hours 48 parts 41 parts 172 parts 17 parts

*asked by Nono on November 21, 2012* -
## Mathematics

Perfume is sold in two different sizes of bottle The 80ml bottle is priced at £55 The 50ml bottle is usually priced at £45, but is on special offer If you buy one 50ml bottle of perfume, you get a second for half price By calculating the price per ml

*asked by Joseph on November 11, 2017* -
## mathematics

if sinA+sinB=x and cosA-cosB=y then find tan[(A-B)/2]

*asked by diviya on September 5, 2011* -
## Mathematics

A garrison of 1200 men has sufficient ratios for 25 days at the rate of 2400g per man per day. If 300 man join them and the ratios are reduced to 2000g per man per day,how long will the road last all of them? Thank you :)

*asked by Elizabeth on March 13, 2012* -
## Mathematics

A drug response curve describes the level of medication in the bloodstream after a drug is administered. A surge function S(t) = At^(p)e^(−kt) (where t > 0) is often used to model the response curve, reflecting an initial surge in the drug level and then

*asked by Samantha on January 17, 2016* -
## Mathematics

Suppose that the maximum weight that a certain type of rectangular beam can support varies inversely as its length and jointly as its width and the square of its height. Suppose also that a beam 4 inches wide, 3 inches high, and 18 feet long can support a

*asked by Anonymous on March 11, 2016* -
## Mathematics

Solve the proportion using cross products. Round to the nearest hundredth if necessary. 18. 22m/55h = 12m/h hours 48 30 45 22

*asked by (Prefer not to answer) on November 21, 2012* -
## mathematics

in the playground for kindergarten kids, 18 children are riding tricycles or bicycles. if there are 43 wheels in all, how many tricycles are there?

*asked by Arvee on September 22, 2016* -
## Mathematics

Which of the following number sequences could be produced by the expression `2x + x^2`? correctA. 3, 8, 15, 24 B. 1, 3, 5, 7 C. 1, -1, -3, -5 D. 2, 7, 14, 21

*asked by Miller on June 9, 2017* -
## Mathematics

3.7/2.4 = y/8.2 12.64 10.56 14.80 5.32

*asked by Derpy Hooves on November 21, 2012* -
## Mathematics

At Harlan County Damn in Nebraska, the U.S. Bureau reports that the storage content of the reservoir decreased from 117,811 acre-feet (38.4 billon gallons of water) on Septmber 6, 2006 to 115,579 acre-feet (37.7 billion gallons of water) on October 6,

*asked by Kevin on September 8, 2008* -
## Mathematics

If A gives B $3, B will have twice as much as A. If B gives A $5, A will have twice as much as B. How much does each have? Explain clearly your working.

*asked by Diamon on January 15, 2012* -
## mathematics

The members of a high school basketball team are driving from calgary to vancouver,which is a distance of 675km.Each tire of their van has a radius of 32cm.If the team members drive at constant speed and cover the distance in 6h 45 min,what is the angular

*asked by rahul on November 12, 2013* -
## Mathematics

Rolinda’s First five Spanish test scores are 85, 85, 60, 62, and, 59. A. Find the mean the median in the mode of Rolinda’s Spanish test scores. Round your answers to-the nearest tenth if necessary. B. Which of these measures Best supports Rolinda’s

*asked by WOW!!!!!! on December 12, 2018* -
## Mathematics

6 black counters and 4 white counters in bag A. 7 black counters and 3 white counters in bag B. 5 black counters and 5 white counters in bag C. Tarek takes at random a counter from bag A and puts the counter in bag B. He then takes at random a counter from

*asked by Alexander on March 30, 2017* -
## Mathematics

A water tank has 80 gallons of water. But the tank has a leak from which water flows at a rate of 1 gallon every 2 minutes. If you graph the equation representing the amount of water left in the tank, y, after x minutes, what will the slope and the

*asked by Mikyla on May 24, 2017* -
## mathematics

in triangle abc if acosA= bcosB then how to prove the triangle is isosceles or right angled

*asked by edward on September 20, 2012* -
## Mathematics

A shopkeeper mixed coffee powder worth $2.50 per kg with coffee powder worth $3.50 per kg, and sold 20 kg of the mixture at $2.80 per kg. Find the weights of the 2 grades of coffee powder that he mixed together. Explain clearly your steps of solving it.

*asked by James on January 15, 2012* -
## Mathematics

1. Write the inequality for the graph. (1 point) sorry, it will not let me use the image A. x < 2 B. x (understore 2 2. Write the inequality for the graph. sorry, it will not let me use the image. A. x < -4.25 B. x (underscore ) -4.25 Graph the solutions

*asked by arabian fan on October 30, 2018* -
## Mathematics

Check my answer?? The bulk food section of a grocery store has two bins with different types of mixed nuts, The first bin contains Walnuts, peanuts and pistachios, The second bin contains pecans, almonds, Brazil Nuts and Walnuts, What is a set that

*asked by MARIAtheBia on October 19, 2017* -
## Mathematics

1. The speed of a current in a river is 6 mph. A ferry operator who works that part of the river is looking to buy a new boat for his business. Every day, his route takes him 22.5 miles each way against the current and back to his dock, and he needs to

*asked by Olivia N J on February 23, 2017* -
## mathematics

In how many ways can the letters of MAHABHARAT be arranged so that i) B n T are never together ii) M,A,T n H occurs at first four places

*asked by Anonymous on March 30, 2013* -
## Mathematics

Can someone check my answers? 1. For the data in the table, does y vary directly with X? If it does write an equation for the direct variation.(X,y) (8,11) (16,22) (24,33) Yes y=2.75x Yes y=0.6875x*** Yes y=1.375x No y does not vary directly with X ** (For

*asked by Olivia on December 13, 2016* -
## mathematics

find orthogonal trajectory of family of circles x^2+y^2+2fy+1=0.

*asked by Anonymous on September 13, 2015* -
## Mathematics

A rug in the shape of a regular quadrilateral has a side length of 20ft what is the perimeter of the rug? 4ft 5ft 40ft 80ft•• So this girl/ boy posted this question and I'm really sure they were wrong but is my answer right or wrong??

*asked by Triston on February 5, 2016* -
## Mathematics

At a charity bike rally, 2/3 of the student population of Heartsworth Middle School participated. If there are 1,200 studentes at Heartsworth, how many participated?

*asked by Gian on September 19, 2011* -
## Mathematics

Meiling and Meimei divide $69 into 2 shares. 3/4 of Meiling's share is equal to 2/5 of Meimei's share. How much does each get?

*asked by Michael on November 7, 2011* -
## Mathematics

Donations to an annual fundraiser are 15% greater this year than last year. Last year donations were 10% greater than the year before. The amount raised this year is $10,120. How much was raised two years ago?

*asked by KT on October 6, 2016* -
## mathematics

Lily Adams purchased a $1,000 bond at 70. The bond pays 4% What was the cost of the bond? What was the annual interest? What is the yield (to the nearest tenth of a percent)? (please only post of you know answer or at least will tell me how to get the

*asked by Anonymous on June 16, 2015* -
## Mathematics

A farmer keeps hens and rabbits on his farm. One day, he counted a total of 70 heads and 196 legs. How many more hens than rabbit does he have? Explain your working please. Your help is greatly appreciated.

*asked by Jessica on January 15, 2012* -
## mathematics

area of rhombus is 84m2.if its perimeter is 40m,then find its altitude

*asked by gautam on April 8, 2016* -
## Mathematics

An open box is made from a square piece of sheet metal 19 inches on a side by cutting identical squares from the corners and turning up the sides. Express the volume of the box, V, as a function of the length of the side of the square cut from each corner,

*asked by sexana on December 3, 2015* -
## Mathematics

The sum of the numerator and denominator of a fraction is 17. If 3 is added to the numerator, the value of the fraction will be 1. What is the fraction? Explain your workings.

*asked by Dale on January 15, 2012* -
## Mathematics

I really need help with these three questions. Thank You. 1. Calculate the finance charge and new balance using the previous balance method. Previous balance = $179.32 Annual rate = 16% Finance charge $ ? New purchases = $117.42 Payments/credits = $85.00

*asked by Anonymous on January 27, 2010* -
## Mathematics

When two balanced dice are rolled, 36 equally likely outcomes are possible as shown below. (1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6) (2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6) (3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6) (4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4,

*asked by Jamie on December 5, 2009* -
## Mathematics

There are 70 women in a club. Each play at least one of the following games:20 play volleyball only ‘10 play basketball only,6 play table-tennis only. 4 play all the three games and an equal number play two games only. a) Illustrate this information on a

*asked by Princess on December 26, 2018* -
## Mathematics

A T-bill with face value of $10,000 and 96 days to maturity is selling at a bank discount ask yield of 4.3%. A. What is the price of the bill? (use 360 days a year) B. what is its bond equivalent yield? A. .043 * (96/360) = .011 .011 * (1-.043) = $9,890 B.

*asked by Joy on August 23, 2013* -
## Mathematics

1. Which of the following is the correct definition of minerals? (1 point) a naturally occurring, inorganic solid that has a crystal shape and a definite chemical composition a naturally occurring, inorganic solid that forms through crystallization of

*asked by Queen/Halle on April 12, 2016* -
## Mathematics

2. Write an equation to represent the statement: "The product of a number and five plus two is equal to 100." (1 point) A. 5 - x - 2 = 100 B. 5(x - 2)=100 C. 5 x + 2 = 100 D. 5 - 2 x = 100 3. Solve using mental math. (1 point) 5 x - 1 = 14 A. x = 3 B. x =

*asked by Connexus Learner on October 30, 2018* -
## Mathematics

A Pendulum 45cm long swings through a vertical angle of 30degrees. Find the distance of the altitude through which the pendulum bob rises. (I couldn't find this answer either :\ but can anyone please please help me! And if you can, can you also write the

*asked by Nazharia on March 5, 2008* -
## Mathematics

How to prove that the {The integral with limit a to b *(the integral with limit x to b f(t)dt}dx=integral with limit a to b (x-a)f(x)dx Help..

*asked by Buh on November 3, 2018* -
## Mathematics

The time between a lightning flash and the following thunderclap may be used to estimate, in kilometers, how far away a storm is. How far away is a storm if 12 seconds elapse between the lightning and the thunderclap? Use the formula d= t/3 , where t is

*asked by Tula on March 31, 2016* -
## Mathematics

Point N is the midpoint of MO. Which of the following are true if MO=124 ft? * 62 ft ******* * 96 ft * 124 ft * 248 ft

*asked by Jarzzapan on March 16, 2017* -
## Mathematics

Tito Sanchez receives a weekly salary of $400. he also receives a 6% commission on the total dollar amount of all sales he makes. What must his total sales be in a week if he is to make a total of $790?

*asked by Jennifer on September 25, 2012* -
## Mathematics

Solve this surd Root 147/4 divided by Root 27/2.

*asked by Linda on November 27, 2018* -
## mathematics

A house was purchased for $67,000 After 7 years the value of the house was $130,000. Express the house's value V(t) in terms of time t in years.

*asked by jacqueline on August 5, 2015* -
## Mathematics

Karen collects local and foreign coins. 1/4 of her coins. 2/9 of the foreign are Austalia coins. What fraction of the coins are non-Australia foreign coins?

*asked by xr on April 1, 2015* -
## Mathematics

Mary's age is 2/3 that of Peter's. Two years ago Mary's age was 1/2 of what Peter's age will be in 5 years time. How old is Peter now? Explain your workings

*asked by Michael on November 7, 2011* -
## mathematics

it takes 12 men to make 12 tables in 9 hours. how long will it take 8 men to make 32 tables?

*asked by kelsey on October 16, 2010* -
## mathematics

The monthly loan payment was calculated at 119 payments of $330.38 plus a final payment of $329.73 Loan balance: $25,000.00 Loan interest rate 10.0% Monthly loan payment: $330.38 Number of payments: 120 Cumulative Payments: $39,644.05 Total Interest paid:

*asked by Ashlie on January 26, 2010* -
## Mathematics

Given that 4,p,q,13 are consecutive terms of a a.p find the value of p and q

*asked by Sulaimon yusuf on October 12, 2015* -
## Mathematics

OPQRS is a right pyramid whose base is a square of sides 12cm each. Given that the slant height of the pyramid is 15cm. Find the height of the pyramid, the volume of the pyramid, and the total surface area of the pyramid by first drawing the net of the

*asked by Joe on February 11, 2012* -
## mathematics

true or false questions Help Please! 1. A person selecting a bank will consider how convenient it is, how safe it is, and how secure their return is. 2. Wills and estate planning services are available at the bank, but financial counseling is not. 3.

*asked by Adam on January 26, 2010* -
## mathematics

Cand D are two observation posts on the same horizontal ground at the foot A of a vertical tower AB.the tower is 18m due north of D and 24m east of C.the angle of elevation of B from D is 35¡ã.calculate to three s.f the height AB,distance CD,angle of

*asked by jenny on June 4, 2016* -
## mathematics

ABCD is a rectangle, in which BC=2AB. A point E lies on ray CD, such that CE=2BC. Prove that BE perpindicular AC

*asked by math... on June 6, 2011* -
## mathematics

Trendy Time race carts charges $25 plus $1.50 per lap. Which best describes the relationship between the total cost and the number of laps? A. linear and proportional relationship B. linear, non-proportional relationship C. non-linear relationship D. None

*asked by ¯\_('-')_/¯ on March 26, 2018* -
## Mathematics

Bharati borrows amount of 12,500 at 12% per annum for 3 years at SI and madhuri borrows same amount for same time period at 10% per annum compounded annually.who pays more and by how much?

*asked by Ananya on January 22, 2017* -
## mathematics

A hemispherical bowl has an external radius of 18cm and is made of wood 3m thick. calculate the volume of the wood in the bowl.

*asked by Larry on January 1, 2017* -
## Mathematics

The seconds hand on a watch is 14mm long. What area does it sweep through in 30 seconds?

*asked by Nuel on April 26, 2018* -
## Mathematics

Determine which pair of points has a positive slope. a (5, –4), (–2, 1) b (5, –1), (–6, 6) c (–10, –2), (6, 6) •• d (6, –10), (2, 10) Check my answer

*asked by Queen/Halle on April 11, 2016* -
## Mathematics

The first and third term of a Gp are 5 and 80 respectively.what is the 4th term?

*asked by Amarachi on October 24, 2015* -
## Mathematics

The 8th term of a linear sequence is 18th and 12th term is 26.find the first term and the common difference and 2th term

*asked by Sulaimon yusuf on October 12, 2015* -
## mathematics

Jane Investor purchased a $10,000 bond at 90. The annual interest is 5%. What was the cost of the bond? What was the annual interest? What is the yield (to the nearest tenth of a percent)?

*asked by Anonymous on June 16, 2015* -
## Mathematics

A survey of 100 students produced the following statics: 32 study mathematics, 20 study physics, 45 study Biology, 15 study mathematics and biology, 7 study mathematics and physics, 10 study physics and Biology, 30 do not study any of the three subjects 1,

*asked by Mesh on November 17, 2015* -
## Mathematics

George vacuums the rugs every 21 days, mows the grass every 12 days, and pays the bills every 15 days. Today he did all three. How long will it be before he has another day like today?

*asked by Kassey on October 22, 2013* -
## mathematics

a school has 1800 students on its roll,40% of whom are girls.how many boys are there in the school

*asked by piyush on August 3, 2016* -
## mathematics

Find I. Choose the correct answer. Amount Financed (m) = $1,400 Number of Payments per year (y) = 12 Number of Payments (n) = 24 Total Interest (c) = $200.50

*asked by Anonymous on June 16, 2015* -
## Mathematics

Two cars drive from town A to town B at constant speeds. The blue car travels 25 miles per hour and the red car travels 60 miles per hour. The blue car leaves at 9:30 am and the red car leaves at noon. The distance between the two towns is 150 miles. Who

*asked by Stephanie on May 29, 2015* -
## mathematics

If cos 9 alpha = sin alpha 9 alpha < 90 degree then 5 alpha =

*asked by seshadri on May 6, 2015* -
## mathematics

In a truck of red and green peppers the ratio of red peppers to green peppers is 3:4.if the truck contains 120 green peppers,how many red peppers are there?

*asked by Felicia motaung on January 28, 2015* -
## Mathematics

MN bisects PQ at point R. Which of the following is true about point R? A. R is the midpoint of MN B. R is the midpoint of PQ ****C. R is both the midpoint of PQ and the midpoint of MN***** D. R is the new endpoint of PQ

*asked by Jarzzapan on March 16, 2017* -
## mathematics

∫▒dx/(x√(2x^2+5x+1)) 2. ∫▒dx/(x√(x^2+4x-2)) 3. ∫▒dx/(sinx+13cosx-11) 4. ∫▒〖(x^2-x+4)ln(x+√(x^2-1) dx)〗 5. ∫▒e^cos2x sin4x dx 6. ∫▒x^3 e^x dx 7. ∫▒dx/〖(7-x^2)〗^(3⁄2) 8. ∫▒(arctg (x+1)/(x-1))/〖(x-1)〗^2

*asked by washington on April 22, 2009* -
## mathematics

solve the equation, (-5x - 25 = 14 - 8x)

*asked by nathan on December 4, 2018* -
## Mathematics

Can anyone check my answers please True or false 927 is divisible by 3 and 9 true 13,012 is divisible by 9 false 7,434 is divisible by 6 true 2,064 is divisible by 2,4,and8 true 96,240 is divisible by 2,3,5, and 10 true Am I right?

*asked by Valerie on September 15, 2017* -
## Mathematics

You decide you will buy a stock only if it shows an overall increase over the next 30 days. The first 10 days, it has an average daily increase of 0.30. The next 10 days it has an average daily decrease of 0.45. The last 10 days, it has an average daily

*asked by Valerie on September 12, 2017* -
## Mathematics

"The Rag Bag is having a '20% Off' sale. A pair of pants is on sale for $16. How much was it to begin with?"

*asked by Anonymous on April 8, 2013* -
## Mathematics

In a parallelogram the base and height are in the ratio 5:2 if the area of parallelogram is 360 meter square, find its base and height

*asked by Hitoshi on March 8, 2013* -
## Mathematics

Natalie's car used 7 gallons of gas to drive 161 miles. At what rate does her car use gas in gallons per mile? Express your answer in simplest form.

*asked by [Name Censored] on October 15, 2017* -
## Mathematics

You use a line best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is .793. How confident can you be that your predicted value will be reasonably close to the actual value? A. I can't be

*asked by AnswerKing on January 12, 2017* -
## mathematics

Name the property the equation illustrates. 9 + (8 + 1) = (9 + 8) + 1

*asked by Anonymous on January 29, 2016* -
## Mathematics

Find the maximum or minimum values of sin x+sin y+sin(x+y)

*asked by MM on November 25, 2012* -
## mathematics

Fill up the missing values LENGTH=60cm BREADTH =45cm HEIGHT=? Volume=54 dm³

*asked by Anonymous on October 17, 2014* -
## Mathematics

The difference between two numbers is 9 and the product of the numbers is 162. Find the two numbers. Explain your working

*asked by Mandy on November 22, 2011* -
## Mathematics

A number of candidates interviewed recently revealed that 142 applied for admission into university of lagos ,122 for illorin and 118 for jos 66 had applied for lagos,48 for ilorin and jos,58 for lagos and jos while 32 had applied for all three

*asked by Emmanuella on February 17, 2019* -
## mathematics

The sidesof a triangle are in the ratio 1/3:1/4:1/5 and its perimeter is 94 cm. The length of the smallest side is

*asked by Aman gond on January 30, 2016* -
## mathematics

The amount basketball coach spends at a sporting goods store depends on the number of basketball the coach buys.The situation is represented by the function rule a=15b

*asked by Jamie on November 12, 2015* -
## Mathematics

(a)A loan of 12 000 was borrowed from a bank at 14% per annum Calculate (i) The interest on the loan at the end of the first year (ii) The total amount owing at the end of the first year A repayment of $ 7 800 was made at the start of the second year.

*asked by INDIANA on May 24, 2012* -
## Mathematics

A pilot flies a plane that averages approximately 210 km/hr. The plane leaves point A at a bearing of 40 degrees and flies two hours to point B. After a brief stop the plane leaves point B at a bearing of 125 degrees and flies for another 30 minutes before

*asked by Jaskiran on January 29, 2012* -
## mathematics

x is partly constant and partly varies as y .when y=5,x =7;and when y=7 x=8.find the law of variation and also x when y=11

*asked by beatrice on April 20, 2017* -
## Mathematics

A cylindrical tube, open at both ends, is made of metal. The internal diameter of the tube is 10.4cm and its height is 25 cm. If thickness of the metal is 8mm everywhere, calculatd the volume of metal in the cylinder

*asked by Rahul on January 4, 2015* -
## mathematics

if a circle has a radius of 6 inches,what will the area of the circumscribed equilateral triangle be?

*asked by kimber on May 17, 2010* -
## Mathematics

Simplify the expression. (6x^-2)^2(0.5x)^4. Show your work. I know that the answer is 9x^2-+4 I just need help showing the work. PLEASE HELP!

*asked by Cali on January 22, 2017* -
## Mathematics

1. Determine which ordered pair is a solution of y = x^2-2 (5, 21), (–5, 24), (–1, –1), •• (–2, 6) 2. Without graphing, tell whether the line containing (6, –3) and (0, –8) is horizontal, vertical, or neither I think it's horizontal Correct

*asked by Queen/Halle on April 10, 2016* -
## mathematics

a ladders 20m long touch a wall at a height of 10 m find the angel made by ladder with horizontal .

*asked by Anonymous on January 10, 2016* -
## Mathematics

Out of 18 times at bat, Jen got a hit 5/6 of the time and Kasa got a hit 8/9 of the time. 1) Who got more hits? 2) How many more?

*asked by Gian on September 20, 2011* -
## Mathematics

2*^2+11x+5

*asked by Juwon on February 17, 2019* -
## mathematics

I am supposed to find the line integral over C of (x+y)ds where C is the line segment from (0,1,1) to (3,2,2)? So far I have 3ti + (1+t)j + (1+t)k as the parameterisation of C, and when I make an integral from that, I get 3(sqrt(11)). But I am uncertain of

*asked by JuliaF on December 3, 2018* -
## Mathematics

A sum of money invested at compound interest amounts to rupees for 4624 in 2 years and 2 Rupees 4913 in 3 years the sum of money is

*asked by Ak!@#$%^& on February 10, 2018*