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December 21, 2014

December 21, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**math**

Jordan bought 6 8/10 yards of pink ribbon and 3 1/4 yards of purple ribbon. how much more pink ribbon than purple ribbon did she buy.
*Wednesday, October 29, 2014 at 7:49pm*

**math**

George cycles to go half the distance at 4m/s but slows to 3m/s for the second half of his trip.he takes 35minutes to complete the trip.find the distance he travels
*Wednesday, October 29, 2014 at 7:41pm*

**math**

Frances walks half the distance at 5km/h and ru the other half at 10km/hit the total time for her journey is 3 hours,what is the distance
*Wednesday, October 29, 2014 at 7:37pm*

**Math**

Limit as n goes to infinity of ((2n)!/(n^n)).
*Wednesday, October 29, 2014 at 7:34pm*

**math**

Anthony is twice as old as Julian.5years ago,he was three times as old .let x be julian`s present age find the present ages of anthony
*Wednesday, October 29, 2014 at 7:33pm*

**math**

The drama club has $500 to put on a play. The club can spend up to 3/8 of the money on new costumes. How much money can they spend on other supplies?
*Wednesday, October 29, 2014 at 7:33pm*

**math**

Chris is determining the amount of raisins he will use for a raisin bread recipe. The ratio of cups of raisins: number of loaves Chris used is 3 raisins to 2 loaves. Which ratio is equivalent to the rate of raisins to loaves of bread that Chris can use?
*Wednesday, October 29, 2014 at 6:29pm*

**Math**

A bike is in fourth gear. When the pedals turn 3 times, the rear wheel turns 7 times. When the pedals turn twice, how many times does the rear wheel turn?
*Wednesday, October 29, 2014 at 5:51pm*

**Math**

Find the radius of a sphere with a volume of 1,767.1 m (3 cubed) would I use the formula V=4/3*pie*radius (3 cubed)
*Wednesday, October 29, 2014 at 5:34pm*

**math- bc calc**

a building is 36 ft tall. A pulley is attached to the top of the building. A rope is looped through the pulley. One end of the rope is attached to the lantern that hangs vertically parallel to the side of the building. The rope passes up vertically from the lantern, through ...
*Wednesday, October 29, 2014 at 3:10pm*

**Math**

Each digit in the division example has been replaced with the same letter throughout. (r stands for remainder.) The digits used wher 1,2,3,4,5,7,and 9. Find the numbers SU rE ------ )CAN -CU ------- IN - IU ------- E
*Wednesday, October 29, 2014 at 2:25pm*

**Math**

Dominick is in charge of ordering supplies for harry's hamburger stand. hamburger buns come in packs of 12 and frozen hamburger patties come in packages of 20. he must have the same amount of rolls as patties. What is the least number of packages of each that he must order.
*Wednesday, October 29, 2014 at 2:10pm*

**Math**

Solve (x+4)(x-9)=0
*Wednesday, October 29, 2014 at 1:14pm*

**Math**

A projectile is shot vertically into the air. Its height, h, in metres, after t seconds is approximately modelled by the relation h=-5t^2+120t+125: c) For how many seconds is the projectile in the air? (1 mark)
*Wednesday, October 29, 2014 at 1:11pm*

**Math**

Mary is twice as old as Jane,the sum of squeres of their age is 125.How old is Jane?
*Wednesday, October 29, 2014 at 1:07pm*

**Math**

The formula l=8t^2/pi^2 represents the swing of a pendulum. In this formula, l is the length of the pendulum, in feet, and t is the time, in seconds, it takes to swing back and forth once. Whst is the length of a pendulum that makes one swing in 2s? Please help!! Thank you for...
*Wednesday, October 29, 2014 at 12:26pm*

**math algeba**

Need to simplify scientific notation.(8.76x109(6.52x10-3(13.27x10-5)
*Wednesday, October 29, 2014 at 12:11pm*

**MATH FOR THE OFFICE**

THE BEGINNING OF THE WEEK A STOCK SOLD 29 3/8 PER SHARE AT THE END OF THE SAME WEEK IT SOLD FOR 31 2/8 WHAT WAS THE AMOUNT OF INCREASE PER SHARE?
*Wednesday, October 29, 2014 at 11:09am*

**Math Help Please! ASAP!**

Solve each inequality 1. y+5>7 y<2 y<12**** y>2 y>12 2. p+12>9 p>21 p>3 p>-21 p>-3**** Are my answers correct?
*Wednesday, October 29, 2014 at 11:08am*

**math**

from a boat, the angle of elevation of the foot of a lighthouse on the edge of a cliff is 34 degrees. if the cliff is 150m high, how far from the base of the cliff is the boat
*Wednesday, October 29, 2014 at 5:13am*

**math**

Triangle ABC has coordinates A(1,4);B(3,-2);and C(4,2).Find the coordinates of the image A'B'C'?
*Wednesday, October 29, 2014 at 1:24am*

**Math Physics**

Find the water pressure at ground level to supply water to the third floor of a building 8.00 m high with a pressure of 325 kPa at the third level So the given is h=8.00 Ptop=325kPa Density water = 1000 Would I need to set it up like 325+1000*9.81*8.00
*Tuesday, October 28, 2014 at 11:09pm*

**Math Demand Functions**

Given the function q=D(x)=k/x^n where k is a positive constant and n is an integer greater than 0. How would you find the elasticity of the demand function After you find the der. what do you do?
*Tuesday, October 28, 2014 at 10:57pm*

**Math**

Find x-value of all points where function has relative extrema and find the Values of these extrema. f(x)= (x^2)/(ln(x))
*Tuesday, October 28, 2014 at 10:25pm*

**Math**

Is the following statement always, sometimes, or never true for numbers greater than zero: "In equivalent ratios, if the numerator of the first ratio is greater than the denominator of the first ratio, then the numerator of the second ratio is greater than the denominator...
*Tuesday, October 28, 2014 at 10:14pm*

**math**

0.205 or 0.21
*Tuesday, October 28, 2014 at 10:06pm*

**Math**

Please help..not wanting answer just where to start... A cylinder has a radius of 5 centimeters and a height of 12 centimeters. What would the height of a cone need to be if it is the same volume and radius?
*Tuesday, October 28, 2014 at 9:01pm*

**Math **

14 boys play basketball, 12 boys play soccer, 16 boys play baseball. How many boys play basketball, soccer, or baseball?
*Tuesday, October 28, 2014 at 8:42pm*

**Math**

javia ran 8 laps around a track to run a total of 1 mile on monday. How many laps will she need to run on tuesday to run 3/8 of a mike?
*Tuesday, October 28, 2014 at 8:31pm*

**Math**

If you had 4 cakes each cut in tents by noon 4\5 We're sold how many pieces were sold by noon
*Tuesday, October 28, 2014 at 8:26pm*

**math**

Jill's fish weighs 8 times as much as her parakeet. Together, the pets weigh 63. How much does the fish weigh? This is 4th grade .
*Tuesday, October 28, 2014 at 7:53pm*

**Math**

A cylinder has a radius of 5 centimeters and a height of 12 centimeters. What would the height of a cone need to be if it is the same volume and radius?
*Tuesday, October 28, 2014 at 7:51pm*

**math**

If two triangles are similar one is 16 by 6 the other 5 by?
*Tuesday, October 28, 2014 at 7:30pm*

**math**

Can you write3+5+6=14 as a multiplicacion sentence? Explain.
*Tuesday, October 28, 2014 at 7:13pm*

**Math**

What is the quotien of 148 ➗32 ? Help I need it now
*Tuesday, October 28, 2014 at 6:42pm*

**Math**

How did the Proclamation of 1763 attempt to protect the Native American rights and land?
*Tuesday, October 28, 2014 at 6:32pm*

**math**

A teacher is making multiple copies of a 1-page homework assignment. The time it takes her in seconds is 2 times the number of copies she makes plus 3
*Tuesday, October 28, 2014 at 6:15pm*

**Math**

When a satellite is h kilometres above Earth,the time,t,in minutes,to complete one orbit is given by the formula t=Root of (6370+h)^3/6024 a) A telecommunications satellite is placed 30 km above Earth. How long does it take the satellite to make one orbit? b) A satellite is ...
*Tuesday, October 28, 2014 at 6:01pm*

**math**

Jenny is remodeling her bathroom floor. She is going to use tile that is 3/4 foot long. If her bathroom is 7 1/3 feet long, how many tiles will she need to first cover the length of the bathroom?
*Tuesday, October 28, 2014 at 6:01pm*

**math**

An ostrich farmer wants to enclose a rectangular area and then divide it into 4 pens with fencing parallel to one side of the rectangle. There are 720 feet of fencing available to complete the job. What is the largest possible total area of the 4 pens?
*Tuesday, October 28, 2014 at 4:57pm*

**Math**

Holly earned $800 more than she did last year. Write the integer that is represented in this situation. Then, interpret what the zero means in this situation.
*Tuesday, October 28, 2014 at 4:52pm*

**math**

For every 5 highlighters that Agnes buys, she gets 1 free. if Agnes needs 80 highlighters, what is the least number of highlighters she has to buy?
*Tuesday, October 28, 2014 at 4:43pm*

**Math**

Is the LCM of 6 and 8 =2
*Tuesday, October 28, 2014 at 4:36pm*

**English**

What do you have to do afer school? 1. I have to go to my academy and study hard until 11 p.m.. 2. I have to go to an academy to study math, English and science. 3. I have to go to the academy to study 5 subjects. 4. I have to wash clothes in the washing machine. 5. I have to ...
*Tuesday, October 28, 2014 at 4:20pm*

**Math**

A banner is 15 square feet. How many square inches are equivalent to 15 square feet?
*Tuesday, October 28, 2014 at 4:16pm*

**Math**

How do I write 27% as a rate ratio?
*Tuesday, October 28, 2014 at 4:13pm*

**math**

the drama club held a car wash on saturday and sunday. they washed a totl of 60 cars if they waShed 40% of the cars on sunday how many cars did they wash on sunday? PLEASE HELP DONT UNDERSTAND
*Tuesday, October 28, 2014 at 4:03pm*

**Math 130**

Which has the greater effect on the surface area of a right circular cylinder - doubling the radius or doubling the height? How would I explain this
*Tuesday, October 28, 2014 at 4:00pm*

**Math**

Sarah is 3 years older than 1/3 Darcy's age. Translate this phase to an algebraic expression.
*Tuesday, October 28, 2014 at 3:29pm*

**Math**

If an object is propelled upward from ground level with initial velocity of 55 feet per second, it's height h in feet t seconds later is given by the equation H=-16t^2+55t. after how many seconds does the object hit ground?
*Tuesday, October 28, 2014 at 2:56pm*

**Math**

Given the function q=D(x)=k/x^n where k is a positive constant and n is an integer greater than 0. (a) How would you find the elasticity of the demand function (b) Is the value of the elasticity dependent on the price per unit c.) Does the total revenue have a maximum, and if ...
*Tuesday, October 28, 2014 at 2:48pm*

**Math**

Write a word phrase for this algebraic expression. 6.5-h
*Tuesday, October 28, 2014 at 2:16pm*

**Math: Statistics**

1. A regression analysis includes the effect of Age, which is categorised into five levels. How many dummy variables should be defined for including it in the analysis? 2. A regression analysis includes Sex as an explanatory variable. How many dummy variables are required to ...
*Tuesday, October 28, 2014 at 1:22pm*

**Math HELP!**

Point A(6,-2) is reflected over the x axis. Write the coordinates of A' A. (6,2) B. (6,-2) C. (-6,2) D. (-6,-2) Is the answer A? Thank you
*Tuesday, October 28, 2014 at 1:21pm*

**Math HELP!**

Use arrow notation to write a rule that describes the translation of a point from (5,6) to (6,11). A. (x,y) ----> (x+1,y+5) B. (x,y) ----> (x-1,y-5) C. (x,y) ----> (x-1,y+5) D. (x,y) ----> (x+1,y-5) Is the answer A? Thank you
*Tuesday, October 28, 2014 at 1:06pm*

**Math**

The value of k that makes the expression x^2 + 72x +k a perfect square trinomial is ?
*Tuesday, October 28, 2014 at 12:53pm*

**Math help**

Translate P(4,0) right 3 units and up 5 units. Give the coordinates of the image point. A. (-5,1) B. (1,-5) C. (5,7) D. (7,5) Is the answer D? Thank you
*Tuesday, October 28, 2014 at 12:51pm*

**math just practice **

Sr = SQUARE ROOT 1. What is the solution to -75 sr to the nearest integer? (1 point) 9 8 -8 -9 2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block? (1 point) 1 foot 2 ...
*Tuesday, October 28, 2014 at 12:45pm*

**math**

A rectangle has one side on the x-axis and two vertices on the curve y=6/{1+x^2}. Find the vertices of the rectangle with maximum area. Vertices =
*Tuesday, October 28, 2014 at 12:35pm*

**Math**

344 miles in 11 hours 1. 344 miles/hours 2. 3784 miles/hours 3. 0.03miles/hours 4. 31.27 miles/hours** My answer is 4 can is that right?
*Tuesday, October 28, 2014 at 12:17pm*

**math**

the perimeter of a basketball court is 102 meters and the length is 6 meters longer than twice the width. What are the length and width?
*Tuesday, October 28, 2014 at 9:05am*

**math**

Identify the solution of the system of equations if any -2x-4y=1 , 12y=-6x-3 is this no solution or (o,-1) (-1,0) or infinitelt many solution
*Tuesday, October 28, 2014 at 8:55am*

**math**

to graph C(3,2) on a coordinate plane Translate the point left 3 units and down 1 unit.Graph the image point C. A. x,2,y3=x,1,y,1 B. x,2,y2=x,1,y,1 C. x,2,y3=x,1,y,1 D. x,3,y2=x,1,y,1 Is the answer D? Thank you
*Tuesday, October 28, 2014 at 7:28am*

**math**

the cost C varies directly as the number in of penals is written as?
*Tuesday, October 28, 2014 at 6:19am*

**math**

what is mantisa?
*Tuesday, October 28, 2014 at 5:59am*

**math**

A sticker is 1.2 cm wide how many stickers will fit edge to edge on a strip of paper that is 108 Centimeters long
*Tuesday, October 28, 2014 at 5:53am*

**algebra math**

Which one of the following is a geometric sequence? A. 2, –3, 9⁄2, −18⁄4 B. 0,1,2,3,... C. 8,4,2,1,1⁄2,1⁄4,... D. –7,10,23,36,.. i think the answer is D Can please check it ?
*Tuesday, October 28, 2014 at 12:56am*

**Math 5 grade**

I am a whole number. Rounding me to the nearest ten thousand makes me 10000. Some of my digits are even; their sum is 21; they are in order from least to greatest; their product is 384 and no digit is repeated. What number am I?
*Monday, October 27, 2014 at 11:58pm*

**Math Help..!**

A stock's price dropped from $63.28 per share to $27.45. What was the loss on a single share of the stock?
*Monday, October 27, 2014 at 11:09pm*

**Math**

Translate this phrase into an algebraic expression. 7 increased by twice Malik's savings. Use the variable m to represent Malik's savings.
*Monday, October 27, 2014 at 11:07pm*

**Math**

Solve algebraically, 1/x=(x-34)/(2x^2).
*Monday, October 27, 2014 at 10:53pm*

**Math**

There are 18 fewer bus riders than walkers. There are 6 walkers. How many students ride the bus?
*Monday, October 27, 2014 at 10:45pm*

**math please help**

Custom Kitchens received an invoice dated November 17 from Idea Cabinets Ltd. for $7260 with terms 3/15, 15/30,n/60. If Custom Kitchens made a payment of $4000 on December 2, what further payment on December 16 will settle the account?
*Monday, October 27, 2014 at 10:34pm*

**Math **

The height h in metres above the ground of a projectile at any time t in seconds after the launch is defined by the function h(t)=-4t +48t +3 A.) Complete the square to write H in standard form b.) Find the height of the projectile three seconds after the launch c.) Find the ...
*Monday, October 27, 2014 at 10:25pm*

**Math**

A rectangular tabletop has a length of 4 3/4 feet and an area of 11 7/8 square feet. What is the width of the tabletop❓❔❓❔❓❔
*Monday, October 27, 2014 at 10:23pm*

**math**

Trevor invests $10000 for a year.he obtains 8% per year for a part of the money and 10%per an um for remainder.at end of the year he sill receive $950 in interest.how much does he invest at 10%
*Monday, October 27, 2014 at 10:13pm*

**math**

Sum of 8numbers is X,sum of a different set of nine numbers is 2x.average of smaller set of numbers is one more than average of the larger set of numbers.write an equation for X and solve it
*Monday, October 27, 2014 at 10:10pm*

**math**

In three successive years the price of the common shares of Bedrock Resources Ltd. fell 40%, 60%, and 70% ending the third year at 50 cents. How much (in dollars and cents) did the share price drop in the second year?
*Monday, October 27, 2014 at 10:04pm*

**math**

A bottle of cordial contains 5litres ,10% is pure fruit juice.how many litres of water must be added to dilute it to 4% fruit juice
*Monday, October 27, 2014 at 10:03pm*

**math**

Anna starts the race 10m ahead of ping.ping runs at 20%faster tan anna`s speed.they will be level in the race after 9seconds.find average speed of anna
*Monday, October 27, 2014 at 10:00pm*

**math**

Hanna and Fran have $120, Hanna and Pete have $230. Pete has 6x more than Fran. How much money does Hanna have?
*Monday, October 27, 2014 at 9:51pm*

**Math**

While remodeling her house , Ms.Puliafici paints her cabinets . There are 210 square feet of cabinets.She can paint 20 square feet every 1/2 hour . How long will it take her to finish the cabinets ?
*Monday, October 27, 2014 at 9:45pm*

**math**

3/5 + 3/4 round each fraction and estimate the sum. add the two fraction using a common denominator and then round the result. which estimate is closer to the actual answer.
*Monday, October 27, 2014 at 9:23pm*

**math trade discount**

In addition to the regular trade discount of 25% and a volume purchase discount of 8.33333333% from the manufacturer, Appliance Warehouse is offered a further 5% discount for orders places in January. a. What is the list price on an electric range whose net price works out to ...
*Monday, October 27, 2014 at 9:22pm*

**math**

What is the area of a rectangular room that is 3¾ yards long and 3⅓ yards wide
*Monday, October 27, 2014 at 9:17pm*

**math**

Bianca has a total of 25 cent. She has some nickels and pennies. How many different combinations of nickels and pennies could Bianca have?
*Monday, October 27, 2014 at 9:16pm*

**Math invoice**

Custom Kitchens received an invoice dated November 17 from Idea Cabinets Ltd. for $7260 with terms 3/15, 15/30,n/60. If Custom Kitchens made a payment of $4000 on December 2, what further payment on December 16 will settle the account?
*Monday, October 27, 2014 at 9:15pm*

**math**

A box of chalk and 2 staplers cost $10 Three boxes of chalk and 2 staplers cost $18. Find the total cost of 1 box of chalk and 1 stapler?
*Monday, October 27, 2014 at 9:14pm*

**math**

4/10 -1/5 9/15-1/3 4/12-1/6 find the difference
*Monday, October 27, 2014 at 9:04pm*

**Math**

Custom Kitchens received an invoice dated November 17 from Idea Cabinets Ltd. for $7260 with terms 3/15, 15/30,n/60. If Custom Kitchens made a payment of $4000 on December 2, what further payment on December 16 will settle the account?
*Monday, October 27, 2014 at 8:52pm*

**Math**

In three successive years the price of the common shares of Bedrock Resources Ltd. fell 40%, 60%, and 70% ending the third year at 50 cents. a. What was the share price at the beginning of the three-year skid? b. How much (in dollars and cents) did the share price drop in the ...
*Monday, October 27, 2014 at 8:51pm*

**math**

Ms. Hernandez has 17 tomato plants that she wants to plant in rows. She will put 2 plants in some rows and 1 plant in the others. How many different ways can she plant the tomato plants?
*Monday, October 27, 2014 at 8:51pm*

**math 7**

a model house is 12 cm wide if it was built with a scale of 3cm and 4m than how wide is the real house
*Monday, October 27, 2014 at 8:50pm*

**Math**

Mr. and Mrs. Ogrodnik want to list their house at a price that will net them a minimum of $320,000 after a real estate commission of 5.5% of the selling price. Rounded to the nearest $100, what is the lowest offer they could accept on their home?
*Monday, October 27, 2014 at 8:50pm*

**Math**

after a flood on the Red River, 1200 L of water were pumped out of a basement in 8 h. What was the unit rate of outflow?
*Monday, October 27, 2014 at 8:15pm*

**math**

Jenna says that no row or column contains products with only odd numbers. Do you agree? explain.
*Monday, October 27, 2014 at 8:13pm*

**Math**

The medical records of infants delivered at Kaiser Memorial Hospital show that the infants' lengths at birth (in inches) are normally distributed with a mean of 22 and a standard deviation of 2.1. Find the probability that an infant selected at random from among those ...
*Monday, October 27, 2014 at 8:02pm*

**Math**

Use the distributive property to rewrite the expression 1/2(C-8)=
*Monday, October 27, 2014 at 7:59pm*

**math**

Scale Drawings Marking City is 5 inches away from jamming city on the map. What is the actual distance between the two cities? Scale: 2inches:35Miles My answer 2in/35mi = 7ft/x mi 2x=7x35 2x/2=245/2 x=122.5 miles
*Monday, October 27, 2014 at 7:47pm*

**math**

David has a hose that is 27 ft long. He wants to cut it into two pieces so that the longer piece is 3 ft more than 2 times the length of the shorter piece.
*Monday, October 27, 2014 at 7:23pm*

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