Saturday

July 26, 2014

July 26, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**math**

Company ABC offers a series discount of 20%,10% and 4% on a type of water filter while company XYZ offers a single discount of 32% on the same type of water filter. Which company offers a greater discount on its merchandise assuming the list price is the same ? is that my ...
*Saturday, April 26, 2014 at 10:18am*

**math (trade and cash discount)**

5.mariam paid RM239.29 for a bag that was offered a chain discount of 15% and 8% .what was the list price of the bag ?
*Saturday, April 26, 2014 at 9:52am*

**math**

2.FIND THE TRADE DISCOUNT cost price = RM1780 rate of trade discounot = 30%,10% and 5% as we know to get trade discount is= list price X trade disount rate so i do : RM1780x0.3xo.1xo.o5 = RM2.67 BUT in my book the answer is RM714.67. WHAT the step or formula that i cannot make...
*Saturday, April 26, 2014 at 8:56am*

**MATH**

21x^3+67x^2-36=0 solutins
*Saturday, April 26, 2014 at 6:25am*

**math**

a train travels 68 km at an average speed of 51 km/h. it then travels another 20 km at an average speed of 40 km/h before reaching its destination. calculate the average speed of whole journey?
*Saturday, April 26, 2014 at 4:28am*

**Math**

(2 + sqrt 2)/(2 - sqrt 2) = (x)/(3 + sqrt 10) How to solve for x?
*Saturday, April 26, 2014 at 1:51am*

**math**

8. the net price of an item listed for RM1500 after deducting a trade discount of 20%, 15% and X% is RM969. FIND X
*Friday, April 25, 2014 at 11:19pm*

**math**

Company ABC offers a series discount of 20%,10% and 4% on a type of water filter while company XYZ offers a single discount of 32% on the same type of water filter. Which company offers a greater discount on its merchandise assuming the list price is the same ?
*Friday, April 25, 2014 at 11:18pm*

**math**

RM65000 will be invested for 6 years 9 months. if the investment will be offered 5% compounded semi annualy for the first 2 years, 6% compounded monthly for the next 18 months and 7% compounded daily for the rest of the period ,find the future value of this investment. what is...
*Friday, April 25, 2014 at 11:18pm*

**Math**

(sqrt 5)/(2 - sqrt 5)
*Friday, April 25, 2014 at 10:42pm*

**math**

Frank calculated that he will lose 4.6 calories per minute walking at a rate of 3 miles per hour. How many minutes does he need to walk to burn at least 250 calories? Write and solve an inequality, rounding to the nearest tenth
*Friday, April 25, 2014 at 10:18pm*

**!math (6)**

The quantity demanded x (in units of a hundred) of the Mikado miniature cameras per week is related to the unit price p (in dollars) by p = −0.2x^2 + 220 and the quantity x (in units of a hundred) that the supplier is willing to make available in the market is related to...
*Friday, April 25, 2014 at 9:48pm*

**!math (5)**

The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation p = 160 − x^2 where p is measured in dollars and x is measured in units of a thousand. Titan will make x ...
*Friday, April 25, 2014 at 9:47pm*

**!math (4)**

The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 12 where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. The supply function is given by p = 0.01x^2 + 0.5x + 3 where p is the ...
*Friday, April 25, 2014 at 9:47pm*

**!math (3)**

A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(324 + 4x) dollars. Determine the producers' surplus if the market price is set at $22/unit. (Round your answer to two decimal places.)
*Friday, April 25, 2014 at 9:46pm*

**!math (2)**

The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 10 where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus if the market price is ...
*Friday, April 25, 2014 at 9:45pm*

**!math (1)**

The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p = -0.01x^2 - 0.1 x + 47 Determine the ...
*Friday, April 25, 2014 at 9:44pm*

**math (9)**

Find the area of the region enclosed by these graphs and the vertical lines x = 0 and x = 3 f(x)=-x^2+2x+4 g(x)=-x+4
*Friday, April 25, 2014 at 9:37pm*

**math (2)**

Find the area of the shaded region y= 2x/(x^2+4) from x= -1 and x= 1
*Friday, April 25, 2014 at 9:36pm*

**math (4)**

Sketch the graph (Do this on paper. Your teacher may ask you to turn in this graph.) and find the area of the region bounded below by the graph of the function and above by the x axis from x = 0 to x = 1. f(x) = -xe^(-x^2)
*Friday, April 25, 2014 at 9:35pm*

**math**

(0,0); m=2
*Friday, April 25, 2014 at 9:35pm*

**Math (6)**

Find the area of the following two curves. y= sqrt(x) y= x-2
*Friday, April 25, 2014 at 9:34pm*

**business math**

On May 1, Emerson Fast bought 10 Manitoba On May 1, Emerson Fast bought 10 Manitoba Polar bonds with a coupon rate of 7.875%. The purchase price was $101. 375, and the commission was $8 per bond. Manitoba Polar bonds pay interest on April 1 and October 1. Polar bonds with a ...
*Friday, April 25, 2014 at 9:06pm*

**math**

If you inherited $ 45,000 today and invested all of it in a security that paid a 7 percent rate of return, how much would you have in 25 years?
*Friday, April 25, 2014 at 9:02pm*

**math**

two cards are selected at random without replacement from a well-shuffled deck of 52 playing cards. find the probability of the given event. a. two cards of the same suit are drawn. b. a pair is not drawn.
*Friday, April 25, 2014 at 8:55pm*

**math**

an unbiased coin is tossed six times. find the probability of the given event - the coin lands heads more than once.
*Friday, April 25, 2014 at 8:42pm*

**math**

Paula is an office manager for ABC Advertising. She has been tasked with finding a copy machine that falls within a budget of $750 per month. She finds a company that will lease the machine for $275 a month. Each copy costs 4¢ and a ream of 500 sheets of paper costs $5.00...
*Friday, April 25, 2014 at 8:27pm*

**math**

A printer has two font sizes. Large font is 1800 words per page. Small font is 2400 words per page. If allotted 21 pages, then how many pages must be in smaller font size?
*Friday, April 25, 2014 at 8:07pm*

**Math**

Simplify M^3 n^6 / m^4 n^4 p^-2
*Friday, April 25, 2014 at 6:21pm*

**Coordinates Math"Steve"**

Is the proportional? x: 1 3 4 6 y: -4 -12 -16 -24 I think it is. Am I correct?
*Friday, April 25, 2014 at 5:46pm*

**Math**

During exercise, the recommended maximum heart rate in beats per minute is modeled by the formula M=176-0.8A, where M is the maximum heart rate and A is the person’s age. Approximately, at what age would you have a recommended heart rate in beats per minute of 125? A.52 ...
*Friday, April 25, 2014 at 5:46pm*

**math**

Which of the following relations is not a function? (8, 4), (-5, 2), (4, 1), (-6, 2) (-5, 4), (4, 2), (8, 1), (-6, 5) (-6, 4), (4, 3), (-5, 1), (8, 2) (4, 4), (-5, 2), (4, 1), (-6, 2) my answer is b
*Friday, April 25, 2014 at 5:32pm*

** math**

f (x) = (50-w) (75-w)?
*Friday, April 25, 2014 at 4:47pm*

**Math**

How must unit cubes be stacked when used to measure volume?
*Friday, April 25, 2014 at 4:46pm*

**Math**

LongLast Inc. produces car batteries. The mean life of these batteries is 60 months. The distribution of the battery life closely follows the normal probability distribution with a standard deviation of 8 months. As part of its testing program, LongLast tests a sample of 25 ...
*Friday, April 25, 2014 at 4:41pm*

**Math**

Solve the equation and write the answer in simplified radical form. n^2 - 2n + 1 = 5
*Friday, April 25, 2014 at 4:24pm*

**MATH STATS URGENT**

The Houston Rockets and San Antonio Spurs will play a "best two out of three" series. Assume that Houston has a probability of 1/3 of winning any game. a. Draw a probability tree showing possible outcomes of the series. Label the branches with appropriate ...
*Friday, April 25, 2014 at 3:38pm*

**Math**

(16a)/(sqrt 6a^3)
*Friday, April 25, 2014 at 3:11pm*

**Math**

Find the value of the variables in the table: X= n, 4, 6, 10, 12. Y= 1, 9, m, 21, 25 n=0 Y=11?
*Friday, April 25, 2014 at 1:55pm*

**Math**

1.Which explains why the sequence 216, 12, 2/3 is arithmetic or geometric? A.The sequence is geometric because it decreases by a factor of 6. B.The sequence is arithmetic because it decreases by a factor of 6 C.The sequence is geometric because it decreases by a factor of 1/18...
*Friday, April 25, 2014 at 1:23pm*

**math**

a person was climbing on a building. He slips 1 m for every 5 metre he climbs up. If the building is 53 m high and he takes 5 seconds to climb 1 metre find the total time taken by him to get on the top of the building.
*Friday, April 25, 2014 at 1:00pm*

**math**

represent an equivalent fraction to 3/4 as 1)a fraction and 2)a picture
*Friday, April 25, 2014 at 12:33pm*

**math**

The table below shows the results of an experiment in which a number cube was tossed 20 times. Outcome of toss: 1 2 3 4 5 6 Number of times Outcome Occurred: 4 1 5 5 2 3 (table reads: outcome of toss 1=4number of times,2=1,3=5,4=5,5=2,and6=3) Based on these results, if the ...
*Friday, April 25, 2014 at 11:48am*

**math**

Company ABC offers a series discount of 20%,10% and 4% on a type of water filter while company XYZ offers a single discount of 32% on the same type of water filter. Which company offers a greater discount on its merchandise assuming the list price is the same ?
*Friday, April 25, 2014 at 4:33am*

**math**

8. the net price of an item listed for RM1500 after deducting a trade discount of 20%, 15% and X% is RM969. FIND X
*Friday, April 25, 2014 at 4:30am*

**Chemistry URGENT**

I am not good with math problems. I need help with these two problems. I'm not sure what equations to use. please help. A student heated a hydrated salt sample with an initial mass of 4.9702 g. After the first heating, the mass had decreased to 3.0662g. 1. if the sample ...
*Thursday, April 24, 2014 at 11:36pm*

**math**

1.FIND the bank discount and proceeds on the following loans i) RM4000 FOR 3 MONTHS at 10 1/2 percent ii) RM4215 FROM 10 june to 5 august of the same year at 10 percent
*Thursday, April 24, 2014 at 11:34pm*

**math**

RM65000 will be invested for 6 years 9 months. if the investment will be offered 5% compounded semi annualy for the first 2 years, 6% compounded monthly for the next 18 months and 7% compounded daily for the rest of the period ,find the future value of this investment. what is...
*Thursday, April 24, 2014 at 11:33pm*

**MATH STATS URGENT**

The Houston Rockets and San Antonio Spurs will play a "best two out of three" series. Assume that Houston has a probability of 1/3 of winning any game. a. Draw a probability tree showing possible outcomes of the series. Label the branches with appropriate ...
*Thursday, April 24, 2014 at 11:29pm*

**math (9)**

Find the area of the region enclosed by these graphs and the vertical lines x = 0 and x = 3 f(x)=-x^2+2x+4 g(x)=-x+4
*Thursday, April 24, 2014 at 11:08pm*

**math (8)**

Find the area of the region enclosed by these graphs and the vertical lines x = 3 and x = 5 f(x)=x^2+5 g(x)=1
*Thursday, April 24, 2014 at 11:08pm*

**Math (6)**

Find the area of the following two curves. y= sqrt(x) y= x-2
*Thursday, April 24, 2014 at 11:07pm*

**math (4)**

Sketch the graph (Do this on paper. Your teacher may ask you to turn in this graph.) and find the area of the region bounded below by the graph of the function and above by the x axis from x = 0 to x = 1. f(x) = -xe^(-x^2)
*Thursday, April 24, 2014 at 11:06pm*

**math (2)**

Find the area of the shaded region y= 2x/(x^2+4) from x= -1 and x= 1
*Thursday, April 24, 2014 at 11:06pm*

**!math (6)**

The quantity demanded x (in units of a hundred) of the Mikado miniature cameras per week is related to the unit price p (in dollars) by p = −0.2x^2 + 220 and the quantity x (in units of a hundred) that the supplier is willing to make available in the market is related to...
*Thursday, April 24, 2014 at 11:04pm*

**!math (5)**

The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation p = 160 − x^2 where p is measured in dollars and x is measured in units of a thousand. Titan will make x ...
*Thursday, April 24, 2014 at 11:03pm*

**!math (4)**

The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 12 where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. The supply function is given by p = 0.01x^2 + 0.5x + 3 where p is the ...
*Thursday, April 24, 2014 at 11:01pm*

**!math (3)**

A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(324 + 4x) dollars. Determine the producers' surplus if the market price is set at $22/unit. (Round your answer to two decimal places.)
*Thursday, April 24, 2014 at 11:00pm*

**!math (2)**

The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 10 where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus if the market price is ...
*Thursday, April 24, 2014 at 11:00pm*

**!math (1)**

The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p = -0.01x^2 - 0.1 x + 47 Determine the ...
*Thursday, April 24, 2014 at 10:59pm*

**math**

Mr. Landy has a red bucket, a yellow bucket and a green bucket. The red bucket holds twice as much as the green bucket. The yellow bucket holds 8 quarts. If the three buckets hold 14 gallons in all, how many gallons does the red bucket hold?
*Thursday, April 24, 2014 at 10:41pm*

**Math**

Suzanne has a liter of apple juice. How may cups with a capacity of 100 mL can she fill with apple juice?
*Thursday, April 24, 2014 at 10:37pm*

**Math 10**

What is the stretch/compression factor for the parabola with a Vertex at (2, -5) and y-intercept at -17 (the "a" value)? Thank you!
*Thursday, April 24, 2014 at 10:27pm*

**Math 10**

The height of a rock thrown off a cliff is given by h(t) = -2t2 + 12t + 14. When does this rock hit the ground? Thank you!
*Thursday, April 24, 2014 at 9:55pm*

**Math**

The Houston Rockets and San Antonio Spurs will play a "best two out of three" series. Assume that Houston has a probability of 1/3 of winning any game. a. Draw a probability tree showing possible outcomes of the series. Label the branches with appropriate ...
*Thursday, April 24, 2014 at 9:40pm*

**Math**

A marble is drawn from a bag containing four white, three red, and two blue marbles. Without replacing the first marble, a second marble is drawn. a. Draw a two stage outcome tree for this experiment. b. Turn the outcome tree into a probability tree diagram by labeling all of ...
*Thursday, April 24, 2014 at 9:06pm*

**Math **

1) When a pendulum 0.5m long swings back and forth, its angular displacement Ɵ from rest position, in radians is given by Ɵ=1/4sin((pi/2)t), where t is the time, in seconds. At what time(s) during the first 4 s is the pendulum displaced 1 cm vertically above its rest...
*Thursday, April 24, 2014 at 8:46pm*

**Math**

A six sided die is tossed. What is the probability that it shows a prime number if you know the following? a. It shows an even number. b. It shows a number less than 5. c. It does not show a 6. d. It shows 1 or 2/ e. It shows an even number less than 4. f. It shows a number ...
*Thursday, April 24, 2014 at 8:19pm*

**math**

terry's boat traveled 65 miles in 3 hours. at that rate, how long will it take her to travel 100 miles?
*Thursday, April 24, 2014 at 8:13pm*

**math**

Is the answer of 4×4×4 + 2×2 greater than the answer of 10 × 10 + 2 × 2 × 2 × 2 ×2?
*Thursday, April 24, 2014 at 8:08pm*

**Math**

A microscopic worm is eating its way around the inside of a spherical apple of radium 6 cm. What is the probability that the worm is with 1 cm if the surface of the apple? (Hint: V=(4/3)Pir^3)
*Thursday, April 24, 2014 at 8:07pm*

**Math**

According to a publisher's records, 20% of the books published break even, 30% lose $1000, 25% lose $10,000, and 25% earn $20,000. When a book is published, what is the expected income for the book?
*Thursday, April 24, 2014 at 7:45pm*

**math**

Please Help!!!!! If i spent 3 hours in homework and of that time 1/3 on math and 1/5 on science, what method could i use to solve this problem????????? Please Help Thanks!!!!
*Thursday, April 24, 2014 at 7:40pm*

**math**

The bottom portion of a loading bin is cone shaped. The base radius of this part of the bin is 3.5 feet and the slant height is 6.5 feet. What is the capacity and lateral surface area of this part of the bin? Round your answer to the nearest hundredth.
*Thursday, April 24, 2014 at 7:34pm*

**math**

the drawing below measures 7.8 cm by 6.2 cm what is the perimeter in meters? scale 1cm=10m the drawing is square
*Thursday, April 24, 2014 at 7:11pm*

**Math**

2 vertices of a triangle are 1,-4 and 6,-4. List 2 possible coordinates of the third vertex so that the triangle has an area of 20 units.
*Thursday, April 24, 2014 at 7:07pm*

**math**

What does 4×4×4 + 2×2×2 =?
*Thursday, April 24, 2014 at 7:03pm*

**math**

Five athletes are chosen to represent their sports at the school pep rally. Two girls and three boys are selected to walk into the gymnasium. If a girl must enter first and the other girl must be the last one to enter, how many different ways can the athletes enter the gym?
*Thursday, April 24, 2014 at 7:01pm*

**math**

what is the difference between 4 times as many as 8 and 1/4 as many as 8? Draw a picture to show the difference.
*Thursday, April 24, 2014 at 6:57pm*

**Math**

A bag of chocolate candies has the following colors: 5 yellow, 7 green, 8 red, 5 orange, and 4 brown. What is the probability of getting two of the same color when pouring two out of the bag? a. Describe a simulation that could be used to answer the preceding question.
*Thursday, April 24, 2014 at 6:55pm*

**Math**

Suppose that 40% of all college students smoke cigarettes. A sample of 10 is selected randomly. What is the probability tha t a half of the students smoke?
*Thursday, April 24, 2014 at 6:50pm*

**Math**

Kurt cut pizzas into wedges measuring 40 degrees. If each person eats one piece of the pizza, how many people could he feed with with two whole pizzas?
*Thursday, April 24, 2014 at 6:37pm*

**math**

the coaches made the players run sprints down the football field to get in shape. the running backs had to run down the field 6 3/4 times. the linemen had to run down the field 6 5/8 times. Which group ran more?
*Thursday, April 24, 2014 at 6:22pm*

**Math - Answer Check**

Jeff hiked 2/3 distance from Lookout Point to Eagle Station then stopped for lunch. How far had he hiked? Lookout Point to Eagle Station: 2 1/10 I got 1 13/30 but it's not an answer choice.
*Thursday, April 24, 2014 at 6:16pm*

**Math**

Suppose there is a cow that is tied to the corner of a barn with a rope as shown in the figure below. One side of square barn measures 50 yards and all the doors on the barn are closed, so the cow cannot enter the barn (he must walk around the sides only). How large of an area...
*Thursday, April 24, 2014 at 6:01pm*

**math**

An apple pie 10 cm in diameter costs $1.50. Then, an apple pie 20 cm in diameter should cost a. $3.00 b. $4.00 c. $4.50 d. $6.00 e. $8.00 please answer and explain
*Thursday, April 24, 2014 at 5:52pm*

**math**

volume is determined by the following formula Vs*3 represent the volume of the cube above in expanded form right side 3cm Evaluate to find the voume of the cube show work
*Thursday, April 24, 2014 at 5:25pm*

**Math**

How to simplify? (√3)/(√f^-3)
*Thursday, April 24, 2014 at 4:59pm*

**math**

(14+42) divided by 7+3/4 Evaluate and show work
*Thursday, April 24, 2014 at 4:21pm*

**math**

count by eigths to create a number line for the data that starts at 1 and ends at 3.
*Thursday, April 24, 2014 at 4:18pm*

**math**

count by eigths to create a number line for the data that starts at 1 and ends at 3.
*Thursday, April 24, 2014 at 4:08pm*

**math**

calculate compound interest (quarterly )earned in a year for $1000.00 with a nominal rate of 8%...(APY) ? THANKS
*Thursday, April 24, 2014 at 3:51pm*

**Math**

A specialty cooking oil is packaged in a bottle that is a triangular prism. The base of the bottle is 2.2 in. Wide and 2.4 in. High; the bottle is 6 in. Tall. The glass is 0.2 in. Thick. What is the interior volume of the bottle? Thank you
*Thursday, April 24, 2014 at 3:42pm*

**math**

The probability of choosing a 6 at random from a standard deck of playing cars is 1/13.Use this information for 1 and 3. 1. what is the complement of the event of choosing a 6 ? 2. What is the probability of the complement of the event of choosing a 6 ? 3. You roll a standard ...
*Thursday, April 24, 2014 at 3:37pm*

**math**

find compound and (apy) amount for $1000.00 with a 12% nominal rate (quarterly).determine how many days of loan thanks
*Thursday, April 24, 2014 at 3:21pm*

**math**

how do you make a coordinate plane for the function of a person who weighs 130 pounds that burns 300 calories in 1 hour,600 calories in 2 hours,900 calories in 3 hours and 1200 calories in 4 hours
*Thursday, April 24, 2014 at 2:18pm*

**math**

The base of triangle ABC is one half the altitude. The altitude of triangle DEF is one half its base. If both triangles are equal in area, what is the ratio of the altitude of triangle ABC to the altitude of triangle DEF? a. 1:4 b. 1:2 c. 1:1 d. 2:1 e. 4:1 please answer and ...
*Thursday, April 24, 2014 at 2:09pm*

**math**

calculate the present value AND the compound interest for this investment, round to the nearest cent...$20.000 with a nominal rate of 14% for 30 months ( semiannually)
*Thursday, April 24, 2014 at 1:18pm*

**math**

create a new table factor and calculate the compound amount for $10.000 with a nominal rate of 6% for 4 years
*Thursday, April 24, 2014 at 12:55pm*

**Math**

Jance spend from 7pm to 9pm doing her homework. She spend 3 times as mach time on her english project as she did on math. the science homework took twice as long as her math homework. How meny minutes did she spend on her science homework?
*Thursday, April 24, 2014 at 12:52pm*

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