Thursday

August 21, 2014

August 21, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**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*

**math**

SHURGRO fertilizer contains 18% ammonia plus carbon compounds.If 80% of the ammonia contains the chemical element nitrogen, what percent of this fertilizer is nitrogen? a. 14.4% b. 18% c. 38% d. 40% e. 62% please answer and explain
*Sunday, May 4, 2014 at 4:20pm*

**math**

Your optimal exercise heart rate for cardiovascular benefits is calculated as follows: Subtract your age from 220 and then find 80% of the difference. the rate for a 40 year old is 144 and the rate for a 10 year old 168 Rounded to the nearest whole number, the optimal rate for...
*Sunday, May 4, 2014 at 3:54pm*

**math**

Your optimal exercise heart rate for cardiovascular benefits is calculated as follows: Subtract your age from 220 and then find 80% of the difference. Find the optimal heart rate for a 40-year-old and for a 10-year-old. Rounded to the nearest whole number, the optimal rate for...
*Sunday, May 4, 2014 at 3:36pm*

**math**

It has been estimated that 0.8% of a certain country's population are homeless. Now 0.8% is a small percentage, but there are approximately 313 million people in the country, and 313 million is a large number. Approximately how many people are homeless? (Round your answer ...
*Sunday, May 4, 2014 at 3:24pm*

**math**

In 2007, 19.6 percent of a certain country's children were living in poverty. If there were 72.8 million children, what number were living in poverty? Express the amount as a whole number.
*Sunday, May 4, 2014 at 3:15pm*

**MATH**

On a TV game show, a contestant makes $600 for every correct answer but loses $500 for every wrong answer. After answering 22 questions, Sarah broke even. How many questions did she answer correctly?
*Sunday, May 4, 2014 at 3:03pm*

**math check probability**

5. A bag contains 7 green marbles and 4 white marbles. You select a marble at random. What are the odds in favor of picking a green marble? A. 7:11**? B. 7:4 C. 4:7 D. 3:7 ------------------------------------ 6. Food Express is running a special promotion in which customers ...
*Sunday, May 4, 2014 at 2:43pm*

**Math (check)**

4. A spinner is divided into 10 equal sections numbered from 1 to 10. You spin the spinner once. Find P(not even). A. 1/3 B. 1/2 C. 1/5*****? D. 1/4
*Sunday, May 4, 2014 at 2:36pm*

**math**

Emily has 25 rows in her vegetable garden with 19 vegetables in each row. Her mom added 20 more vegetables in the garden. How many vegetables does she have in the garden now?
*Sunday, May 4, 2014 at 2:12pm*

**AStronomy/ Math**

I do not understand how to do one of my online homework questions: What is the Schwarzschild radius of a 100 million-solar-mass black hole? The mass of the Sun is about 2 × 1030 kg, and the formula for the Schwarzschild radius of a black hole of mass M is: R=2GMc2, where...
*Sunday, May 4, 2014 at 1:57pm*

**math**

A rikhshaw covered 2 km/hr and return back at a speed of 11 km/hr find the average speed of the rickshaw
*Sunday, May 4, 2014 at 10:05am*

**Math**

a rope is cut in too two piece the shorter piece is 18 feet long and the longer piece is twice as long how long was the rope before it was cut
*Sunday, May 4, 2014 at 9:57am*

**math urgent please**

Petr 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 ...
*Sunday, May 4, 2014 at 9:14am*

**Math**

The temperature of an object in a experiment is T(t) = 60(1/3)^t + 10, where T is the temperature in degrees C and t is time in seconds. What is the domain and range of this situation?
*Sunday, May 4, 2014 at 8:30am*

**math**

If feet is on e and turns to a how many degrees did she turn
*Sunday, May 4, 2014 at 8:12am*

**Math**

A box containing 20 yellow balls, 9 red balls and 6 blue balls. If the balls are selected at random, what is the smallest number of balls that need to be selected so you will select at least two balls of each colour
*Sunday, May 4, 2014 at 6:51am*

**Math**

Claire wants to determine how brightly to illuminate her stage. stage width (in metres) x stage length (in metres) x 0.14 = total watts for stage If her stage is 7.25 metros wide and 11.5 metres long, a) calculate the exact number of watts needid to illuminate the stage b) ...
*Sunday, May 4, 2014 at 4:21am*

**MATH ✿╣Check╠✿**

which expression would you use to figure out the number of ways you can arrange the letter in the word EQUATION?--------------My answer: 8P4 (the 8 and 4 are suppose to be small)
*Sunday, May 4, 2014 at 1:42am*

**MATH ✿╣Check╠✿**

8. There are 5 different cookies in a bag. One of them is your favorite, chocolate chip. What is the probability that you will not get your favorite? 1/5 2/5 24/25 4/5**?
*Sunday, May 4, 2014 at 12:30am*

**MATH ✿╣Check╠✿**

A bag has 6 green marbles, 4 red marbles, 5 yellow marbles, and 3 purple marbles. What is the probability of choosing a purple marble? 1/6**? 6/18 3/20 1/9
*Sunday, May 4, 2014 at 12:26am*

**Math (check)**

Which of the following is an example of a dependent event? 1 flipping two coins 2 rolling a number cube and spinning a spinner 3 choosing two scoops of ice cream 4 choosing a cookie at random, eating it, and then choosing another at random****?
*Saturday, May 3, 2014 at 9:44pm*

**math**

Claire wants to determine how brightly to illuminate her stage. stage width (in metres) x stage length (in metres) x 0.14 = total watts for stage If her stage is 7.25 metros wide and 11.5 metres long, a) calculate the exact number of watts needid to illuminate the stage b) ...
*Saturday, May 3, 2014 at 9:25pm*

**Math**

Caroline says to Jed, "If you insult me one more time, I am going to slap you!" Jed replies, "That's OK, Caroline. If I don't insult you, you will be able to slap me anyway." If p=you insult me one more time and q=I am going to slap you Explain ...
*Saturday, May 3, 2014 at 9:13pm*

**math**

The terms of payment on an invoice for $2835.49 are 2/15, n/45. The balance owed after a payment within the discount period is $1135.49. What was the amount of the payment?
*Saturday, May 3, 2014 at 9:07pm*

**math**

A college student wishes to compare tuition fee increases during the period 1999 to 2009 to the general increase in the cost of living. Tuition increased from $350 per course in the 1999/2000 academic year to $495 per course in the 2009/10 academic year. The CPI rose from 92.9...
*Saturday, May 3, 2014 at 9:03pm*

**Math**

A basket of goods and services representative of the CPI cost $2750 when the CPI stood at 118.3. What did the basket of goods cost 10 years earlier, when the CPI was at 93.1? What was the overall percent inflation experienced by consumers for the entire 10-year period?
*Saturday, May 3, 2014 at 9:02pm*

**Math**

1) Last year, Harjap spent a total of $11,348 on gasoline, oil, repairs and maintenance, and insurance. His travel log shows that he drove 14,488 km on business and 8329 km on personal use. What vehicle expense can Harjap report for the year? 2)Mr. Bartlett's will ...
*Saturday, May 3, 2014 at 8:58pm*

**math**

A company's sales revenue decreased by 15% from one operating period to the next. Assuming no change in the prices of its inputs and outputs, by what percentage did: Fixed costs change? Unit variable costs change? Total variable costs change?
*Saturday, May 3, 2014 at 8:53pm*

**Math**

Determine the slope and y-intercepts 2x = 3y + 4 8x − 2y − 3 = 0
*Saturday, May 3, 2014 at 8:52pm*

**math**

The surface area of this rectangular prism is 38 square millimeters. What is the volume?
*Saturday, May 3, 2014 at 8:10pm*

**math**

Econocar offers two plans for one-week rentals of a compact car. A rate of $295 per week includes the first 1000 km. Extra distance costs 15 cents per kilometre. A weekly rate of $389 allows unlimited driving. Rounded to the nearest kilometre, beyond what driving distance is ...
*Saturday, May 3, 2014 at 7:53pm*

**math**

The retail price of a pair of skis consists of the wholesale cost to the retailer plus the retailer's markup. If skis retailing for $712 are marked up by 60% of the wholesale cost, what is that wholesale cost?
*Saturday, May 3, 2014 at 7:52pm*

**math**

Simply the unknowns variables 5(2-c)=10(2c-4)-6(3c+1) 1.25y-20.5=0.5y-11.5 (3) 7p-3q=23(3)
*Saturday, May 3, 2014 at 7:51pm*

**hostos**

the average math sat score is 500 with a standard deviation of 100. a particular high school claims that its students have usually high math SAT scores a random sampel of 50 students from this school was selected, and the mean math sat score was 530 . Is the high school ...
*Saturday, May 3, 2014 at 7:50pm*

**math**

1)5 [19+ (5^2-16) ^2] ^2 2)(7m^3-m-6m^2+10)-(5m^3-9+3m-2m^2) 3) 3 (a-2)(4a+1)-5(2a+3)(a-7) 4)6a^2b/-2ab^2 5) 120(1+i) ^2+180(1+i) ^3 /360(1+i)
*Saturday, May 3, 2014 at 7:47pm*

**Math**

Jeff has 12 coins that have a total value of $2.25.If there are only quarters and dimes, how many of each kinds are there?
*Saturday, May 3, 2014 at 7:26pm*

**Math**

A patio was to be laid in a design with one tile in the first row,two tiles in the second row,three tiles in the third row, and so on. Mr Tong had 60 tiles to use. How tiles should be placed in the bottom row to use the most tiles?
*Saturday, May 3, 2014 at 7:23pm*

**Math**

The book shelly is reading has 235pages. She has already read 110 pages. If she reads 25 pages a day from now on, how many more days will it take her to complete the book?
*Saturday, May 3, 2014 at 7:16pm*

**math**

Is the following a linear function? x -2 0 2 4 y -4 0 4 8 My answer is yes.
*Saturday, May 3, 2014 at 3:38pm*

**math check probability **

A number cube with the numbers 1 through 6 is rolled. Find the given probability. ---------------------------------------- 2. P(number ≥ 3) A. 4/6 B. 1/6***** C. 2/6 D. 5/6
*Saturday, May 3, 2014 at 1:53pm*

**Math word problem**

A dealer bought some grapefruits for $1.04. After throwing away 4 bad ones, he sold the other ones at 6 cents apiece more than he had paid for them and made a profit of $0.22. How many did he buy?
*Saturday, May 3, 2014 at 12:51pm*

**math**

What is the slope for the following set of data? x 2 4 6 8 y 1 -2 -5 -8
*Saturday, May 3, 2014 at 12:18pm*

**math**

how can i plot values in a parabola graph if the values are fractions. it's my first time with this things so i don't understand
*Saturday, May 3, 2014 at 10:49am*

**math**

If an item is sold for $450 but thf the person who sold it wants $ r 75 what % is that person taki ng out of that $450?
*Saturday, May 3, 2014 at 10:28am*

**Math**

two functions are defined as follows: f(x)=3/x+1 and g(x)=x-6 a) Write the equations of the vertical and horizonal asymptotes of f. b) Determine the coordinates of the points where f(x) = g(x) Thank you so much for huge help Is ti correct please? answer for a) vertical asympt...
*Saturday, May 3, 2014 at 9:25am*

**math**

calculate the area of a rectangle which measures 21m by 7m.
*Saturday, May 3, 2014 at 8:00am*

**Math**

Find y intercept for (-2,4)(6,4) then (0,6) and (8,6). It it possible
*Saturday, May 3, 2014 at 6:47am*

**Math**

Two vehicles are moving at a velocity of 100km/hr and 60km/hr the magnitude along the road is 500km and the vehicle with a vehicle with a velocity of 100km/hr began the journey 2.5 hrs ealier.CALCULATE the distance the vehicle with 60km/hr travelled to catch up the other
*Saturday, May 3, 2014 at 1:49am*

**math**

Which of the following is equal to (9^-2)+(9^-1)/(81^0)(9^-2) a. 0 b. 1/10 c. 1/9 d. 3/2 e. 10 please answer and explain
*Saturday, May 3, 2014 at 12:17am*

**math**

5x-3y=3 2x-4y=-10 3x+y=(?) a. -30 b. -13 c. -7 d. 7 e. 13 please answer and explain
*Saturday, May 3, 2014 at 12:12am*

**MATH(markup and markdown )**

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?
*Friday, May 2, 2014 at 11:56pm*

**MATH(markup and markdown )**

a knife was originally sold RM15.the price was marked down by 19% and finally marked down an additional 5%.What is the final reduced price.?
*Friday, May 2, 2014 at 11:54pm*

**math**

Bentley Plastics Ltd. has annual fixed costs of $450,000 and variable costs of $15 per unit. The selling price per unit is $25. What will be the annual net income at annual sales of: 50,000 units? $1,000,000?
*Friday, May 2, 2014 at 11:24pm*

**math**

Dynacan Ltd. manufactured 10,000 units of product last year FC= 22,200,000,19,200,000,9,600,000,5,000,000 VC= 50,400,000,93,000,000,16,000,000,14,200,000 If unit variable costs and fixed costs remain unchanged, calculate the total cost to produce 9700 units this ...
*Friday, May 2, 2014 at 11:21pm*

**math**

A plumber charges a flat $50 for a home service call plus $10 per 15 minutes of labour. Write an equation for calculating the total charges, C, in terms of the hours of labour, H. If you were to plot a graph of C vs. H, what would be the slope and C-intercept of the line?
*Friday, May 2, 2014 at 11:19pm*

**math**

Jeanette wishes to retire in 30 years at age 55 with retirement savings that have the purchasing power of $300,000 in today’s dollars. 1. If the rate of inflation for the next 30 years is 2% per year, how much must she accumulate in her RRSP? 2. If she contributes $3000 ...
*Friday, May 2, 2014 at 11:00pm*

**Math**

adjacent angles
*Friday, May 2, 2014 at 7:36pm*

**Math**

Pedro built nine bicycles in 25 h. At this rate, how many bicycles will he build in a 40 h week.
*Friday, May 2, 2014 at 6:22pm*

**math**

Compute the monthly payments for an add-on interest loan of $850, with an annual interest rate of 15 percent and a term of 4 years.
*Friday, May 2, 2014 at 6:19pm*

**math**

A gumball machine contains orange, yellow and purple gumballs. The probability of getting an orange ball is 3/4 and the probability of getting yellow ball is1/6. What is the probability of getting a purple ball?
*Friday, May 2, 2014 at 4:49pm*

**math**

What part of y yards is f feet? a. f/y b. 3f/y c. f/3y d. y/f e. 3fy please answer and explain
*Friday, May 2, 2014 at 4:14pm*

**math**

The sum of 4 y yards and 2i inches equals a. 6iy feet b. (12y+1/6)feet c. 12 1/6 feet d. (12y+24i)feet e. 12 1/6 iy feet please answer and explain
*Friday, May 2, 2014 at 4:13pm*

**math 1 question pls help asap!!!**

Find the first four terms of the sequence represented by the expression. 3n + 5 (1 point) 5, 8, 11, 14 8, 11, 14, 17*** 3, 6, 9, 12 0, 8, 11, 14
*Friday, May 2, 2014 at 4:12pm*

**math**

The iength of a rectangle is 3 inches greater than its width and its area is 88 square inches.An equation that may be used to find the width w of the rectangle is a. 3w^2=88 b. w^2/3=88 c. w^2+3w-88=0 d. w^2-3w=88 e. w=29.3 please answer and explain
*Friday, May 2, 2014 at 4:10pm*

**math **

On the average 800 pounds of valuable oxides are obtained from every 2 tons of ore mined.What is the ratio of valuable oxides to other material in 100 tons of ore ? a. 1:400 b. 1:5 c. 1:4 d. 2:1 e. 4:1 please answer and explain
*Friday, May 2, 2014 at 4:06pm*

**math **

How many pints of flour should be used with 3 pints of milk in a recipe which call for 2 part of milk and 3 parts of flour? a. 2 b. 3 c. 4 1/2 d. 5 e. 6 please answer and expalin
*Friday, May 2, 2014 at 4:04pm*

**math**

Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 *** The sequence is neither geometric nor arithmetic. 2. –4, 8, –16, 32...
*Friday, May 2, 2014 at 3:36pm*

**Math**

1. In the lab, Deon has two solutions that contain alcohol and is mixing them with each other. Solution A is 40% alcohol and Solution B is 12% alcohol. He uses 1000 milliliters of Solution A. How many milliliters of Solution B does he use, if the resulting mixture is a 32% ...
*Friday, May 2, 2014 at 3:09pm*

**math**

what does linear an nonlinear functions mean? I need help asap please i am begging you because i am a new student at this school and i don't get what the difference is between linear and nonlinear functions.
*Friday, May 2, 2014 at 3:02pm*

**Math**

If a team wins 2 more games they would win 70% of their games. They are playing a total of 20 games. How many games have they won so far?
*Friday, May 2, 2014 at 2:45pm*

**math 1 question pls help!!!**

6. Food Express is running a special promotion in which customers can win a free gallon of milk with their food purchase if there is a star on their receipt. So far, 129 of the first 138 customers have not received a star on their receipts. What is the experimental probability...
*Friday, May 2, 2014 at 2:16pm*

**math**

WHAT IS 25% OF OFF $73.78
*Friday, May 2, 2014 at 1:53pm*

**math**

Ms. Black has one begonia plant. If she buys two begonia plants each year for every one she has, how many will she have in four years?
*Friday, May 2, 2014 at 1:52pm*

**Math "Ms Sue"**

The stem-and-leaf plot shows the heights in centimeters of Teddy Bear sunflowers grown in two different types of soil. Soil A Soil B 5 | 9 5 2 1 1| 6 | 39 510 | 7 | 023678 21| 8 | 3 0| 9 Key: 9|6 means 69,Key: 5|8 means 58 a) Describe the overlap of the two sets of data. b) ...
*Friday, May 2, 2014 at 1:26pm*

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