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July 23, 2014

July 23, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**math**

Using the numbers 2,3,5,10,24 write two seperate equations that equal 120
*Tuesday, May 6, 2014 at 7:28pm*

**math**

Find the maturity value on a loan of 10,500 @ 8 1/2% interest for 18 years using the MV=P+I
*Tuesday, May 6, 2014 at 7:09pm*

**math**

Jason bought 0.7 kg of tomatoes. The tomatoes sell for $1.96 for each kilogram. How much did he pay?
*Tuesday, May 6, 2014 at 7:06pm*

**Math**

8. Sylvia is training for a triathlon. she cycles 6.25 km in 25 min. a) What is her average speed, in kilometres per hour? b) Solve a proportion to determine how long she would take to cycle 40 km. Us the speed in part A)
*Tuesday, May 6, 2014 at 6:46pm*

**Math**

If two fair dice are rolled, what is the probability that a total of five shows?
*Tuesday, May 6, 2014 at 6:24pm*

**math**

the surface of the top layer of a circular sand pit is about 160 square feet. estimate the radius of the sand pit, to the nearest foot
*Tuesday, May 6, 2014 at 6:22pm*

**Math**

The table shows the number of people switching to a new telecommunications company over a 7-day period in August. Day=number of people 1=10 2=17 3=37 4=79 5=106 6=231 7=500 Using this estimate how many people will switch on august 31st. * it's an exponential and ...
*Tuesday, May 6, 2014 at 6:13pm*

**math**

A Jewlery box has length of 3 and a half, a width if 1 and a half, and a height of 2 units. What is the volume if the box I cubic units? Each of the cubes in this activity has a side length of 1/2. How many cubes with side length 1/2 does it take to form a unit cube? How many ...
*Tuesday, May 6, 2014 at 5:56pm*

**Math**

Use the given information to evaluate cos (a+b). Sin a = -7/25, cot b = -8/15. Neither a nor b are in quadrant IV. exact answers only. No decimals.
*Tuesday, May 6, 2014 at 5:16pm*

**math**

lou makes pancakes at a pancake house. he makes 12 pancakes in 4 minutes. at a rate, how long would it take him to make 54 pancakes
*Tuesday, May 6, 2014 at 4:30pm*

**MATH**

It is estimated that 17% of americans have blue eyes. A random sample of 9 americans is selected. 1. Find the mean number of blu-eyed people in a sample of 9 americans.
*Tuesday, May 6, 2014 at 4:15pm*

**Math**

Suppose that we wish to seat ten people, 5 men and 5 women, in a row of ten chairs. In how many ways can we seat the people with no restrictions?
*Tuesday, May 6, 2014 at 3:41pm*

**Math**

a/(a+3) = (2a)/(a - 3) - 1
*Tuesday, May 6, 2014 at 3:29pm*

**Math**

You are surveying students to find out their opinion of the quality of food served in the school cafeteria. You decide to poll only those students who buy hot lunch on a particular day. Is your sample random? Explain I think it would be but I'm not sure.
*Tuesday, May 6, 2014 at 3:03pm*

**Math**

How to solve this equation Log [log (log x)] =1 5 4 2
*Tuesday, May 6, 2014 at 2:55pm*

**math**

Researchers count 30 tagged zebras and 150 total zebras in an area of a game reserve. If researchers had previously tagged 80 total zebras at the game reserve, about how many total zebras live at the game reserve?Write a proportion to estimate the total population. I think the...
*Tuesday, May 6, 2014 at 2:20pm*

**Math**

which display is best to determine the relationship between the number of hours worked and the amount of money paid? A)Histogram with intervals of 5 B)Histogram with intervals of 3 C)Line plot D)Line graph I think it is D
*Tuesday, May 6, 2014 at 2:14pm*

**FInite Math**

A car rental agency has rental and return facilities at both Dallas and Austin Airports. Assume that a car rented at either airport must be returned to one or the other airport. If a car is rented at Austin, the probability that it will be returned there is .80; If a car is ...
*Tuesday, May 6, 2014 at 1:15pm*

**math **

3. What is the slope of the line for the cost of subs at Sam’s Sub Shop? Sam's Sub Shop: Cost: |$11 |$22 |$44 Subs: |2 |4 |8 2/11 5.5 1/5.5 5 4. The equation for the cost for subs at Anne's Restaurant is y=4.75x. If the cost for subs at all these sandwich places ...
*Tuesday, May 6, 2014 at 10:21am*

**Math**

Carrie asked 50 randomly selected middle school students at Kind's High School about their favorite fast food item. Twenty-one selected french fries. If there are 350 middle school students at King's High School, estimate how many will select french fries as their ...
*Tuesday, May 6, 2014 at 10:18am*

**Math**

The Beeville City Council surveyed 500 Beeville citizens. Of those surveyed, 350 citizens named summer as their favorite season. Based on the survey results, how many of the 36,500 Beeville citizens would most likely name summer as their favorite season? a)27,000 b)25,550 c)18...
*Tuesday, May 6, 2014 at 10:00am*

**Math**

If a navigation error puts a plane 2 degrees off course, how far off course is the plane after flying 121 miles? Round to the nearest tenth of a mile. Just explain how to solve, please.
*Monday, May 5, 2014 at 9:05pm*

**Math**

A boat travels 74 miles on a course with direction 34 degrees and then changes its course to travel 58 miles at 53 degrees. How far north and how far east has the boat traveled on its 132-mile trip? A 87.7 miles east and 44.3 miles north B 35.7 miles east and 96.3 miles north ...
*Monday, May 5, 2014 at 9:00pm*

**Math 221**

Find the greatest common factor of these two expressions. I am stuck 20y^4x^2u^2 and 16y^3u^6.
*Monday, May 5, 2014 at 8:59pm*

**Math**

An airplane, after 1 hour in the air, arrives at a point 350 miles south of its departure point. There was a steady wind of exactly 25 mph from the northwest during the entire flight. Which represents the airplane's average air speed?
*Monday, May 5, 2014 at 8:54pm*

**Math**

Raimo borrowed $750 from Chris on October 30 and agreed to repay the debt with simple interest at the rate of 12.3% on May 10. How much interest was owed on May 10? Assume that February has 28 days.
*Monday, May 5, 2014 at 8:49pm*

**how do you graph linear functions?? (math)**

how??? such as: y = 1/3x - 4 and y = -2x + 3
*Monday, May 5, 2014 at 8:31pm*

**math **

If it takes a runner 15 minutes to run a mile how many miles would he run in two and half hours?
*Monday, May 5, 2014 at 7:58pm*

**Math**

Asher cashed in a one-year term deposit after only five months had elapsed. In order to do so, he accepted an interest rate penalty—a reduction from the scheduled 5.5% rate of simple interest. If he was paid $145.83 interest on the $10,000 term deposit, what reduction was...
*Monday, May 5, 2014 at 7:36pm*

**math-factor**

factor: 2x^2(x-3)+12x(3-x)-18(x-3)
*Monday, May 5, 2014 at 6:58pm*

**math**

P = 6000(1+4)*(1.04)^5=?
*Monday, May 5, 2014 at 6:57pm*

**math 2 questions!!!**

7. Find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6). (1 point) m = 1 m = 2 m = –2 m = 1/2 8. Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3). (1 point) m = &#...
*Monday, May 5, 2014 at 6:36pm*

**math **

what is -20=-4x-6x
*Monday, May 5, 2014 at 6:27pm*

**math**

The2010 census shows that the population of New Jersey increased by 4.5%. If the 2010 population was 8,791,894, what was the population in 2000?'
*Monday, May 5, 2014 at 6:26pm*

**Math**

6x=y+1 find the slope and y intercept
*Monday, May 5, 2014 at 5:53pm*

**math**

You randomly choose a natural number from 1-10. what is the probability that you choose a multiple of 2 or 3?
*Monday, May 5, 2014 at 5:40pm*

**Math**

Jane walks one mile from her house to her grandparents’ house. Then she returns home, walking with her grandfather. Her return rate is 70% of her normal walking rate. Let r represent her normal walking rate. a. Write an expression for the amount of time Jane spends ...
*Monday, May 5, 2014 at 5:04pm*

**Math Essentials**

The area of a rectangular portion of a national park is(48x^2 + 16x) square km. If the length is 8x km long, what is the width, in km?
*Monday, May 5, 2014 at 4:56pm*

**math**

on a blueprint for s house front of the house is shown 12 in. wide and 14 in. tall if the front of the actual house is 30ft wide how tall is the house?
*Monday, May 5, 2014 at 4:54pm*

**math**

You are thinking of adding one of two investments to an already well diversified portfolio. Security A with expected return of 12%, standard deviation of 20.9%, and beta of 0.8. Security B with expected return of 12%, standard deviation of 10.1%, and beta of 2. If you are a ...
*Monday, May 5, 2014 at 4:36pm*

**math**

If you put $ 6,000 in a savings account that pays interest at the rate of 4 percent, compounded annually, how much will you have in five years? (Hint: Use the future value formula.) How much interest will you earn during the five years? If you put $ 6,000 each year into a ...
*Monday, May 5, 2014 at 4:08pm*

**Math**

An invoice states that interest will be charged on overdue accounts at the rate of 1% per month. What will the interest charges be on a $3760 billing that is three months overdue?
*Monday, May 5, 2014 at 3:57pm*

**math**

Determine the annual net cost of these checking accounts: a. Monthly fee $ 4, check- processing fee of 20 cents, average of 23 checks written per month b. Annual interest of 2.5 percent paid if balance exceeds $ 750, $ 8 monthly fee if account falls below minimum balance, ...
*Monday, May 5, 2014 at 3:49pm*

**Math**

How many chords are determined by seven points on a circle? How do you do it, not answer.
*Monday, May 5, 2014 at 3:14pm*

**Math**

Montel loaned $6800 to a friend for 13 months at an annual rate of 7.7% simple interest. How much interest did the borrower owe?
*Monday, May 5, 2014 at 2:59pm*

**math**

((a)/(a + 3)) - ((4)/(a + 5))
*Monday, May 5, 2014 at 2:57pm*

**math**

The student council has decided to sell t-shirts for a fundraiser. The printing company charges a $75 set-up fee plus $3 per shirt. The student council plans to sell their t-shirts for $12 per shirt. Write a function p(t) to represent the student council's profits.
*Monday, May 5, 2014 at 2:44pm*

**math graphs**

4. Which equation would you use to find out if the two lines in the graph are parallel? (1 point) LINE #1: point a: 1, 4 point b: -2, 1 LINE #2: point c: 3, 3 point d: -1, -1 a. 4 - 1/-2 - 1 = 3 - 1/3 - 1 b. 4 - 1/-2 - 1 = 3 - (-1)/3 - (-1) c. 4 - 1/1 - (-2) = 3 - (-1)/3 - (-1...
*Monday, May 5, 2014 at 2:05pm*

**Help math only 1 question easy!**

Simplify 3!
*Monday, May 5, 2014 at 1:33pm*

**Math**

What part of an hour is 40 minutes?
*Monday, May 5, 2014 at 12:24pm*

**math**

Marco jumped rope for 20 more seconds than Troy. The letter r represents the number of minutes that Troy jumped rope. Which expression shows the number of minutes that Marco jumped rope?
*Monday, May 5, 2014 at 12:24pm*

**Math**

Mr. Farmer plans to harvest 305% of what he sows. How many bushels of corn must he sow to reap 900 bushels?
*Monday, May 5, 2014 at 12:24pm*

**Math**

Of the 103 people enrolled in mathematics class, 91% are present. How many are present?
*Monday, May 5, 2014 at 12:23pm*

**Math**

Last year's sales were $14,200. Sales have increased 57% this year. How much is the increase?
*Monday, May 5, 2014 at 12:21pm*

**Math**

On Team B 80% of the football players weigh more than 200 pounds. If 41 men are on the team, how many weigh more than 200 pounds?
*Monday, May 5, 2014 at 12:20pm*

**math**

As compared to its first year of operation, ABC Company grew 8% in the second year and an additional 2% per year for the next two years. If total growth for years 2-4 was $45,000 over the first year’s sales of $150,000, how much did ABC Company grow in year 2?
*Monday, May 5, 2014 at 10:50am*

**math?**

how do i figuire this problem out? .. A deep-sea diver must descend and ascend in short steps to equalize pressure on his body. If the diver rises toward the surface too fast, he may suffer from a physical condition called “the bends.” Suppose the diver started at 82...
*Monday, May 5, 2014 at 10:02am*

**math**

Loan amount = $10,000 Monthly payments = $258.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth) =
*Monday, May 5, 2014 at 9:34am*

**math**

the circumference of a circle is 120 millimeters. Which of the following inqualities is true for d, the diameter of the circle measured in millimeters? A. 10<d<20 B. 30<d<40 C. 50<d<60 D. 70<d<80
*Monday, May 5, 2014 at 9:32am*

**math**

Peter has a cylindrical block of wood od diameter 6 cm and height 18 cm. He glues the base to a board, but wants to paint the rest of the block. He wants to paint the bottom half of the wood black and the top half white. a) Calculate the surface area of the block that Peter ...
*Monday, May 5, 2014 at 9:29am*

**math**

A microwave oven costing RM500 was marked up 10% based on retail price. later it was marked down by 5%. WHAT is the final retail price? i get RM500/100X110=RM550 RMM550(1-0.05) =RM522.5 but in my book the answer is rm527.78 ?
*Monday, May 5, 2014 at 7:05am*

**Math**

Mr Shen wished to enter the orange kite competition with an innovative kite of his own design. He did tests that showed an irregular quadrilateral design was best. The longest side (A) was twice the length of the shortest side (C). Side B was one and one-half times the ...
*Monday, May 5, 2014 at 4:18am*

**Math**

Find the solution. y = 4x & y + x = 5
*Monday, May 5, 2014 at 1:38am*

**math**

The most important rule for establishing a savings plan is to
*Monday, May 5, 2014 at 12:54am*

**Math**

Peter has a cylindrical block of wood od diameter 6 cm and height 18 cm. He glues the base to a board, but wants to paint the rest of the block. He wants to paint the bottom half of the wood black and the top half white. a) Calculate the surface area of the block that Peter ...
*Monday, May 5, 2014 at 12:39am*

**math**

You’re getting married and are unhappy with your present bank. Discuss how you should go about choosing a new bank and opening an account. Consider the factors that are important to you in selecting a bank— such as the type and ownership of new accounts and bank fees...
*Monday, May 5, 2014 at 12:22am*

**math**

he sum of three consecutive integers is 111. What are the integers? (Enter your answers as a comma-separated list.)
*Sunday, May 4, 2014 at 10:52pm*

**math**

a case of diet cola costs $7.23. If there are 24 cans in a case, find the cost per can. Round to the nearest cent. then find the number of cans you can buy per $1. Round to the nearest ten. Which number is more useful? why?
*Sunday, May 4, 2014 at 9:58pm*

** math**

Sunflower seeds are sold in packages that weigh 5 1/4 ounces. If there is a supply of 357 ounces of sunflower seeds. how many packages of seed can be made?
*Sunday, May 4, 2014 at 9:42pm*

**math**

What is the area of a rectangle that has a length of 3 1/5 miles and a width of 5 1/2 miles?
*Sunday, May 4, 2014 at 9:17pm*

**math**

does anybody know how to find the mean absolute deviation and the steps
*Sunday, May 4, 2014 at 9:14pm*

**math**

Two mechanical shafts are joined together at their ends. Together, their total length is 17 2/9 ft. If one shaft is 7 5/9 ft long. How long must the other shaft be?
*Sunday, May 4, 2014 at 9:14pm*

**finite math**

Hercules Films is deciding on the price of the video release of its film Bride of the Son of Frankenstein. Marketing estimates that at a price of p dollars, it can sell q = 240,000 − 15,000p copies, but each copy costs $4 to make. What price will give the greatest profit?
*Sunday, May 4, 2014 at 9:03pm*

**math**

a car traveled 91 miles in 3 1/4 hours. What is the cars average speed in miles per hour?
*Sunday, May 4, 2014 at 8:54pm*

**math**

List the three sections of the statement of cash flows.
*Sunday, May 4, 2014 at 8:46pm*

**math**

Describe how the QuickZoom feature of QuickBooks does or does not provide the same help in the statement of cash flows as it does in the income statement
*Sunday, May 4, 2014 at 8:45pm*

**math**

Let say that Amy made 8 out of 21 free throws and Jane made 4 out of 21 free throws. Who had the better rate of success? Round your answer to the nearest percent.
*Sunday, May 4, 2014 at 8:35pm*

**math**

how do u find the mean absolute deviation of a set of data and please show me how
*Sunday, May 4, 2014 at 8:32pm*

**Math**

A wheel with radius 2 cm is being pushed up a ramp at a rate of 6 cm per second. The ramp is 520 cm long, and 260 cm tall at the end. A point P is marked on the circle. How far does the wheel travel in one rotation?
*Sunday, May 4, 2014 at 8:31pm*

**math mrs. sue HELP!!!**

how do u find the mean absolute deviation and what are the steps too!!
*Sunday, May 4, 2014 at 8:19pm*

**math**

Paul bowled 6 games today. His scores are shown below. Game 1: 158 Game 2: 124 Game 3: 110 Game 4: 167 Game 5: 146 Game 6: 165 a. What was Paul's median score for the 6 games? Answer: 152 b. What was Paul's mean score for the 6 games? Answer: 145 c. Paul will bowl one ...
*Sunday, May 4, 2014 at 8:16pm*

**math**

find fifteen different fractions between 1/4 and 1/2
*Sunday, May 4, 2014 at 8:13pm*

**math**

The Crabby Apple restaurant lost $2000 in the month of January. If their net worth at the end of the month is -$200. What was the net worth at the beginning of the month?
*Sunday, May 4, 2014 at 8:11pm*

**math**

The Crabby Apple restaurant lost $2000 in the month of January. If their net worth at the end of the month is -$200, explain how you would show a child how to find their net worth at the beginning of the month.
*Sunday, May 4, 2014 at 8:05pm*

**MATH**

The daily low temperatures during one week were reordered as follows: 2 degrees F, -7 degrees F, 6 degrees F, -3 degrees F, -14 degrees F, -16 degrees F, and -10 degrees F. Explain how you would show a child how to find the average daily low temperature for week.
*Sunday, May 4, 2014 at 8:00pm*

**Math**

Solve the following equation. y = 6 - x and y = x - 2
*Sunday, May 4, 2014 at 7:35pm*

**Math**

What is the function rule for the following? Rex paid $20 for a membership to the pool and pays $3.00 each time he goes to the pool. My answer is y = x + $20
*Sunday, May 4, 2014 at 7:24pm*

**math**

What is 435/2?
*Sunday, May 4, 2014 at 7:14pm*

**math**

A metal cube with an edge of one foot is melted into a rectangular solid one-eighth of a foot in height. What is the area of the top of the new solid? a. 1/64 sq.ft b. 1/8 sq.ft c. 1/4 sq.ft d. 4 sq.ft e. 8 sq.ft please answer and explain
*Sunday, May 4, 2014 at 7:05pm*

**MATH**

Abe can mow the lawn in 15 minutes. Ben can mow the lawn in 20 minutes.Carl can mow the lawn in 30 minutes.They work together for 5 minutes.What part of the lawn was mowed? a. 1/4 b. 2/3 c. 3/4 d. 4/5 e. all of it please answer and explain
*Sunday, May 4, 2014 at 7:02pm*

**Math**

The Book Nook makes four times as much revenue on paperback books as on hardcover books. If last month's sales totaled $124,300, how much was sold of each type book?
*Sunday, May 4, 2014 at 6:48pm*

**math**

A truck has 5.9L engine in it. 5.9L of the overall displacement in 6 cylinders each 102mm bore (diameter) and 120mm stroke (length). Engine operates at 16.3:1 compression ratio and with 6psi (0.41atm) of boost cruising at 1600rpm. What is the volume of ONE cylinder? Then add 6...
*Sunday, May 4, 2014 at 5:42pm*

**Math**

Your cell phone cost $40 per month plus $0.15 for each text message you send or receive. You have at most$45 to spend on your cell phone bill. What is the maximum number of text messages that you can send or receive next month?
*Sunday, May 4, 2014 at 5:31pm*

**Math- Statistics **

An epidemiologist is planning a study on the prevalence of oral contracep- tive use in a certain population. She plans to choose a random sample of n women and to sue the sample proportion of oral contraceptive users (pˆ) as an estimate of the population proportion (p). ...
*Sunday, May 4, 2014 at 5:21pm*

**math**

The distance between two points is correctly expressed as 720 statute miles or 630 nautical miles. Which of the following most closely approximates the value of one statute mile in terms of nautical miles? a. 0.88 b. 0.89 c. 0.90 d. 1.14 e. 1.25 please answer and explain what ...
*Sunday, May 4, 2014 at 5:17pm*

**Math**

10/2-1/4=
*Sunday, May 4, 2014 at 4:54pm*

**math**

what is the rule for the function shown in the table below? x -1 0 1 2 y -2 1 4 7
*Sunday, May 4, 2014 at 4:50pm*

**math**

Which line would have the steepest slope? regular apples y = $2.00 organic apples y = $2.50 pears y = $2.75 my answer is pears
*Sunday, May 4, 2014 at 4:45pm*

**Math**

Find the quadratic polynomial whose graph goes through the points (-2,5), (0,5), and (1,11). f(x)= ______x^2+ ______x+ _______
*Sunday, May 4, 2014 at 4:33pm*

**math**

Four similar glass tumblers just fit into a cubical box.The area of the top of the circular cover of any one of the tumblers is 4 pi.The area of each side of the box is a. 16 b. 32 c. 32 pi d. 64 e. 64 pi please answer and explain
*Sunday, May 4, 2014 at 4:23pm*

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