# 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

1.At your summer job with a research company, you must get a random sample of people from your town to answer a question about spending habits. Which of the following methods is most likely to be random? a. You survey customers at the local shopping

*asked by Queen/Halle on April 13, 2016* -
## 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

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

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

Jon is working on a city councilperson’s election campaign. He wants to survey potential voters about their opinions. Which is the best way for him to gather a sample? Attend a speech given by the councilman and survey audience members. Select every 10th

*asked by Queen/Halle on April 13, 2016* -
## 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

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

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

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

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

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

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

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

A user is charged P300 montly for a particular mobile plan, which includes 100 free text messages. Messages in excess of 100 are chared P1 each. Represent the montly cost for text messaging using the functinn t(m), where m is the number of messages sent in

*asked by Simpleng Tao on June 18, 2017* -
## 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

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

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

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

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

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

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

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

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

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

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

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

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

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

Find the slope of (2,3) and (-2,1) -2 2 -1/2•• 1/2 Check my answer

*asked by Tula on April 2, 2016* -
## 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

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

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

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

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

"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

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

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

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

the volumeof a right circular cone is 5 litres. calculate the volumes of the two parts into which the cone is divided by a plane parallel to the base one third of the way down from the vertex to the base to the nearest ml

*asked by Faith on March 1, 2018* -
## 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

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

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

a1=1 ,an=3an-1+2 for n>2

*asked by math on July 17, 2016* -
## 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

the 1st term of arithmetic series is 2 .the 1st ,3rd and 11th terms are the first the terms of a geometric series. find the 6 terms of the arithemetic series

*asked by cebile on March 14, 2013* -
## 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

The angle of elevation of the top of a radio mast from a point 53 metres from its base on level ground is 61 degrees.What is the height of the mast to the nearest 5 metres

*asked by Nkechi on May 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

3.7/2.4 = y/8.2 12.64 10.56 14.80 5.32

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

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

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

"One number is 5 more than another. Their sum is 53. What are the two numbers?"

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

Determining the number of seating arrangements with 10 people in 7 chairs required use of ? Combination Permutation** Probability Substitution Determining the number of 3 person committees formed from a club with 12 members requires use of? Combination

*asked by Maria on May 10, 2019* -
## 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

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

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

Tessellation are made by repeatedly overlapping a figure. True or False I think it's false Tell me if I'm wrong or right

*asked by Queen on April 7, 2016* -
## 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

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

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

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

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

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

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

Pick a two-digit number greater than 25. Rewrite your two-digit number as a difference of two numbers. Show how to use the identity (x − y)^2 = x^2 − 2xy + y^2 to square your number without using a calculator.

*asked by brandy on June 9, 2016* -
## Mathematics

A number cube is rolled 360 times, and the results are recorded as follows: 61 ones, 26 twos, 36 threes, 76 fours, 73 fives, and 88 sixes. What is the experimental probability of rolling a 2 or a 3? A:0.07 B:0.17 C:0.26 D:0.83

*asked by NANI!?!??! on May 22, 2018* -
## 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

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 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

The points A,B,C and D are consecutive vertices of a regular polygons with 20 sides.Calculate angles (a) ABC (b) ACD (c) ABD

*asked by Ali on March 2, 2019* -
## 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

The multiply choice part of an assignment has 4 possible choices from each of the 5 questions how many possible ways can you answer the assignment? 9 1024 40 20**

*asked by Maria on May 10, 2019* -
## 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

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

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

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

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

*asked by gautam on April 8, 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

How many different squads of 5 players can be picked from 10 basketball players 252 30,240 50**** 120

*asked by Maria on May 10, 2019* -
## 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 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* -
## 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

A geyser is an underground hot spring that shoots water and steam into the air. At Yellowstone National Park there is a geyser that erupts once at every 44 to 125 minutes. If the geyser erupted one day at 1:04 pm, at which time could the geyser erupt next?

*asked by ¯\_('-')_/¯ on April 18, 2018* -
## Mathematics

Which equation has (2,-1) as a solution. Y=2x - 1•• Y=x + 3 Y=x - 3 Y=-2x+1 Check my answer

*asked by Tula on April 1, 2016* -
## Mathematics

A high-jumper's path on a jump can be represented by the equation h=-16t^2+80t. At what time(s) does the jumper reach 84 ft? Show or explain your work. Ok, so i have no idea how to do this, does anyone know how to solve this question?

*asked by Ashley on June 1, 2019* -
## mathematics

The basic wage earned by a truck driver for a 40 hr work week is $560.00. A)Calculate his hourly rate. Is the ans $14 per hour 2) For overtime work, the driver is paid one and a half time the basic hourly rate. B)Calculate his overtime wage for 10 hrs of

*asked by MONIKA on June 13, 2009* -
## mathematics

The Pythagorean masculine marriage number?

*asked by Matt on September 29, 2007* -
## Mathematics

Raman spends 2/5 of his monthly income on food and 3/8 of the remaining on clothes. Find (a) What fraction of his income is left with him. (b) If the money left is ₹2400, find monthly income.

*asked by Tanvisha on June 3, 2018* -
## 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

how many liters of water will have to be added to 1125 liters of 45% solution of acid so that the resulting mixture will contain more than 25% but less than 30% acid content.

*asked by edward on September 20, 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

Construct triangle ABC in which AB is 7cm AC is 9.5cm and is 120.measure BC.

*asked by Anonymous on February 21, 2019* -
## Mathematics

If triangle ABC and triangle XYZ,if angle A and angle X are acute angles such thay cosa=cosx then show that angle A=angle X?

*asked by Sai Manogna on April 14, 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

Can someone explain how to do this please? A person who has a mass of 60kg run up a flight of stairs 12m high in 20 seconds, how much power did the person generate? How would I do this equation.

*asked by Honey Rogue on May 27, 2019* -
## Mathematics

If you roll a red number cube (numbers 1-6) and a green number cube (1-6) how many possible combinations can you have? 216 18 12 36

*asked by Maria on May 10, 2019* -
## 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*