Wednesday

October 22, 2014

October 22, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**math**

one edition of the book has 352 pages, how many were used in its page numbers
*Thursday, September 18, 2014 at 8:24pm*

**math**

need help with this problem of reasoning quantitively. simplify (-2)to the 3rd power -2 to the 5th power
*Thursday, September 18, 2014 at 8:05pm*

**Math Gr 12**

We are learning to solve Factorable Polynomial Inequalities Algebraically. Question: Solve using intervals. (4x +1)(2-x) is greater than or equal to 0.
*Thursday, September 18, 2014 at 8:02pm*

**math**

Compute the rate for the following loan. Round answers to the nearest tenth of a percent; use ordinary interest when time is stated in days. Do not enter the percent symbol in your answer. Principal Rate (%) Time Interest $5,000 % 3 years $1,200
*Thursday, September 18, 2014 at 8:00pm*

**math**

There were 665 hot air balloon pilots at a hot air race . There were 1,550 more ground crew members than there were pilots. How many ground crew members than there were pilots. How many ground crew members were there?
*Thursday, September 18, 2014 at 7:51pm*

**math**

The manager turns the restaurants two neon signs on at the same time both signs blink as theyaare turned on. One sign blinks every 9 seconds and one sign blinks every firfteen seconds. How many seconds will they both blink together again?
*Thursday, September 18, 2014 at 7:31pm*

**math**

I am a whole number. when you add 3 to me you get a 2-digit number. The 2-digit number is the same as 3 four times. What number am I?
*Thursday, September 18, 2014 at 6:33pm*

**math**

if aluminum cans are 65 cents per pound and I have 50 pounds what does this equal
*Thursday, September 18, 2014 at 6:30pm*

**Math**

Julia saw 5 times as many cars as trucks in a parking lot. If she saw 30 cars and trucks altogether in the parking lot, how many were trucks?
*Thursday, September 18, 2014 at 6:20pm*

**Math**

p+12<9 Solve the inequality A. p>21 B. p>3 C. p>-21 D. p>-3 Is the answer D?
*Thursday, September 18, 2014 at 5:52pm*

**Math**

Translate the following statement into an inequality: Five less than a number is at least nine. A. x-5>9 this arrow has a line under it** B. x-9>5 C. x-5>9 D. x-5<9 this arrow has a line under it. Is the answer A??
*Thursday, September 18, 2014 at 5:48pm*

**Math**

A survey found that 12 out of 15 people prefer hamburgers over pizza. If 65 people are surveyed the next week, how many people will choose hamburgers? How do I work this problem?
*Thursday, September 18, 2014 at 5:25pm*

**Math**

p+12<9 Solve the inequality A. p>21 B. p>3 C. p>-21 D. p>-3 Is the answer D?
*Thursday, September 18, 2014 at 5:25pm*

**Math**

For N balls, m are black and the rest white,what is the probability that in the first n balls from N, 1 of them are black. Here m< N.
*Thursday, September 18, 2014 at 5:20pm*

**Math**

Solve each inequality y+5>7 The arrows are supposed to have lines under them but I can't figure out how to put them. A. y<2 B. y<12 C. y>2 D. y>12 Is the answer A?
*Thursday, September 18, 2014 at 5:18pm*

**Math**

m-7<6 Solve each inequality A. m<-1 B. m>1 C. m<13 D. m<-13 Is the answer C?
*Thursday, September 18, 2014 at 5:07pm*

**Math**

Calculate the dot product Ā·Ê(where Ê = Ē/E ~ is the unit vector in the direction of Ē ) and plot both Ā and Ê, showing how Ā·Ê is the projection of Ā on Ê. Ā= −4ˆi + 3ˆj Ē= 12...
*Thursday, September 18, 2014 at 5:04pm*

**Math**

1. Benny is setting up fish tanks at the pet store. He has 8 angel fish, 12 tiger barbs , and 24 guppies. If he wants to have the same number of each kind of fish in every tank, what is the greatest number of tanks he can set up?
*Thursday, September 18, 2014 at 5:01pm*

**math:ratios**

Lamika buysc12 packs of juice boxes that are on sale and pays a total of $48 by using ratio table to determine how much will Lamika pay to but a 8 more packs of juice boxes at the same store.
*Thursday, September 18, 2014 at 5:00pm*

**math**

John as building a new fence and wants it to stand 81/2 feet above ground level to make sure its secure he must place it 23/4 feet into the ground.how long of a post should john buy?
*Thursday, September 18, 2014 at 4:58pm*

**Math: Pattern**

Use the rule to write the first 12 terms in the pattern. Rule: Add 10,Subtract 5 First term: 11 (IM HAVING TROUBLE THIS IS ONE OF MY WEAKNESSES)
*Thursday, September 18, 2014 at 4:54pm*

**Math**

The perimeter of a rectangle is 122 feet and the length is 10 times longer than twice the width. Find the dimension.
*Thursday, September 18, 2014 at 4:16pm*

**math calculus 3**

find a formula for a function g( x,y,z) whose level surfaces are planes parallel to z=3x-2y+7
*Thursday, September 18, 2014 at 4:11pm*

**math**

stamjps are sold in bookiets of 100,50, and 10.find as many different ways to buy 200 stamps as you can. record your work in the chart. could you give me some examples...please!
*Thursday, September 18, 2014 at 4:07pm*

**math 4th grade**

Find two numbers the exact answer is between 3x567
*Thursday, September 18, 2014 at 3:44pm*

**math**

what is -18/-13
*Thursday, September 18, 2014 at 3:34pm*

**math**

What is the solution of the equation 4t=64?
*Thursday, September 18, 2014 at 3:29pm*

**math grade 4**

James has 12 seashells mounted in a row. The 6 shells in the center of the row are nautilus shells. Is there the same number of shells on either side of the nautilus shells?
*Thursday, September 18, 2014 at 3:17pm*

**math**

what is 1 fourth times 8
*Thursday, September 18, 2014 at 2:19pm*

**Math**

A designer is designing a cylindrical punching bag. He wants to use a maximum of 1.3m^2 of material. He has determined that the diameter of bag should be 36cm. Determine the maximum possible height of the bag to nearest tenth if a centimeter. Please help and show steps on how ...
*Thursday, September 18, 2014 at 2:13pm*

**Math**

a) the value of t1 and d (2 marks) b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 3a, 3a – 2b, 3a – 4b, 3a – 6b, …
*Thursday, September 18, 2014 at 1:56pm*

**Math**

b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 7/4, 1, 1-4, -1/2
*Thursday, September 18, 2014 at 1:43pm*

**Math**

Calculate the dot product Ā·Ê(where Ê = Ē/E ~ is the unit vector in the direction of Ē ) and plot both Ā and Ê, showing how Ā·Ê is the projection of Ā on Ê.
*Thursday, September 18, 2014 at 1:40pm*

**Math**

For each arithmetic sequence, determine a) the value of t1 and d (2 marks) b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 7/4, 1, 1/4, -1/2
*Thursday, September 18, 2014 at 1:38pm*

**Math**

Determine whether each sequence is geometric, arithmetic, or neither. Justify your answer. 1/5, 1/4, 1/3,1/2,1
*Thursday, September 18, 2014 at 1:38pm*

**Math**

Find the value of term 1 given sum 8= - 3280a and the common ratio = - 3?
*Thursday, September 18, 2014 at 12:47pm*

**math**

What is (-7)^5 in expanded form? 1.-7*-7*-7*-7*-7 2.-7*5 3.(-7)*7*(-7)*7*-7 4.5*5*5*5*5*5*7 IS IT D
*Thursday, September 18, 2014 at 12:43pm*

**Math**

A Registered Education Savings Plan (RESP) earns interest at a rate of 5% per year, compounded annually. Jasmine’s parents invest $4000 in the account today. a) Determine an explicit formula to represent the value of the investment. (2 marks) b) Use your formula to write ...
*Thursday, September 18, 2014 at 12:42pm*

**MATH WORD PROBLEM**

Lisa needed to borrow money from Kim. Kim said to he would have to pay him back one and half times the original sum plus $20. Kim paid a total of $200. What was the original amount Lisa Borrowed?
*Thursday, September 18, 2014 at 12:37pm*

** math**

Which of the following situations describe quantities that combine to make 0? During the top of the fourth inning of a baseball game, the Ravens scored three runs. During the bottom of the fourth inning, the Raiders scored five runs to tie the game. Jacoby went on a hiking ...
*Thursday, September 18, 2014 at 12:33pm*

**Math**

The first prize in a lottery is $250 000. Each winner chosen after the first is paid 20% as much as the winner before them. b) Determine an explicit formula for the general term. (2 marks) c) Determine a formula for the sum of n terms of the geometric sequence. (2 marks) d) If...
*Thursday, September 18, 2014 at 12:26pm*

**math**

If sales tax is 1/16 of the price and the price is $16 how much tax do I pay?
*Thursday, September 18, 2014 at 7:01am*

**math**

3px-3pt-x+y
*Thursday, September 18, 2014 at 6:52am*

**math**

Each interior angle of a regular polygon is 140 degree. the number of sides of the polygon is?
*Thursday, September 18, 2014 at 4:57am*

**math**

The ratio of two numbers is 3:4 and their HCF is 6. Their LCM IS?
*Thursday, September 18, 2014 at 4:55am*

**math**

if 150 is the third proportional to 6 and x ; find the value of x.
*Thursday, September 18, 2014 at 4:09am*

**Math algebra**

what do you call an alligator that sneaks up and bites you from behind
*Thursday, September 18, 2014 at 4:05am*

**math**

A fraction becomes 1/2 when 3 is subtracted from its numerator. If 5 and 7 are respectively added to its numerator and denominator, it becomes 3\4 then, the LCM of the numerator and denominator of the said fraction,must be
*Thursday, September 18, 2014 at 4:04am*

**science/math**

a skateboarder traveling at 7.0 meters per second rolls to a stop at the top of a ramp in 3.0 seconds. what is the skateboarders acceleration? is 2.3m/s correct
*Thursday, September 18, 2014 at 12:30am*

**science/math**

a cyclist accelerates at a rate of 7.0m/s^2. how long will it take the cyclist to reach a speed of 18m/s? my answer is 2.5seconds. is this correct?
*Thursday, September 18, 2014 at 12:28am*

**science/math**

after traveling for 6.0 seconds, a runner reaches a speed of 10m/s. what is the runners acceleration? my answer is 60m/s , is that correct?
*Thursday, September 18, 2014 at 12:26am*

**science/math**

a car starting from rest accelerates at a rate of 8.0 m/s. what is its final speed at the end of 4.0 seconds?I got 32m/s, is this correct
*Thursday, September 18, 2014 at 12:23am*

**Math**

How do you reflect -0.25x + 5 across the x-axis?
*Thursday, September 18, 2014 at 12:22am*

**science/math**

as she climbs a hill, a cyclist slows down from 25mi/hr to 6mi/hr in 10 seconds. what is her deceleration? my answer is -1.9 is this correct or should it be a positive 1.9...am confused
*Thursday, September 18, 2014 at 12:20am*

**math**

dy/dx+[(1-y^2)/(1-x^2)]=0
*Thursday, September 18, 2014 at 12:00am*

**math**

Ashton broke apart a number into 30+7. What number did he start with?
*Wednesday, September 17, 2014 at 11:59pm*

**math**

If you know the order from least to greatest of 5 negative rational numbers, how can you use the information to order the absolute values of those numbers from least to greatest
*Wednesday, September 17, 2014 at 11:58pm*

**sixth grade math**

Multiply. Write each product in simplest form. 1. 2 3/8 * 1 3/5 = 3 4/5 2. 1 5/6 * 2/3 = 11/10 3. 7/8 * 3 1/3 = 35/27 Do I have the correct answers? If not can someone show how to solve them?
*Wednesday, September 17, 2014 at 11:37pm*

**Math**

Students surveyed boys and girls separately to determine which sport was enjoyed the most. After completing the boy survey, it was determined that for every 3 boys who enjoyed soccer, 5 boys enjoyed basketball. The girl survey had a ratio of the number of girls who enjoyed ...
*Wednesday, September 17, 2014 at 11:22pm*

**math**

your team has two x·sq-tiles, three x-tiles, and one unit tile on his desk and another person has one x·sq- tile, five x-tiles, and eight unit tiles on her desk. You decide to put all of the tiles together on one desk. What is the name for this new group of tiles?
*Wednesday, September 17, 2014 at 11:13pm*

**math**

Please help me with this problem: Jhon missed 5 points out of 100 points on his math test. What decimal number represents the part of his math test he answered correctly? my answer is 0.95. my work: 100-5=095
*Wednesday, September 17, 2014 at 10:54pm*

**sixth grade math**

Multiply. Write each product in simplest form. 1. 2 3/8 * 1 3/5 = 3 4/5 2. 1 1/5 * 3/5 = 18/25 3. 1 5/6 * 2/3 = 11/10 Do I have the correct answers? If not can someone show me how to solve them?
*Wednesday, September 17, 2014 at 10:49pm*

**Math**

Find three pairs of numbers for which the LCM (least common multiple) is the product of the two numbers; The pairs and LCMs are: 8 and 12: 24; 3 and 15: 15; 7 and 11: 77; 9 and 10: 90; 24 and 36: 72; 20 and 25: 100; 14 and 42: 42; 30 and 12: 60
*Wednesday, September 17, 2014 at 10:46pm*

**science/math**

If a car can go from 0 to 60mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50mi/hr? My answer was -10, is this correct. If not , I need help
*Wednesday, September 17, 2014 at 10:37pm*

**math**

One side of triangle is one-third the longest side. The third side is 13 feet less than the longest side. The perimeter is 106. Find all three sides.
*Wednesday, September 17, 2014 at 10:00pm*

**math**

in a Friendship Banquet 2 out of 5 roses are pink. If there are 6 pinks roses, how many total roses are in the banquet?
*Wednesday, September 17, 2014 at 9:57pm*

**math**

a plane traveled 3927 miles with the wind in 7 hours and 3437 miles against the wind in the same amount of time. Find the speed of the plane in still air and the speed of the wind.
*Wednesday, September 17, 2014 at 9:51pm*

**math**

in an apartment building there are 4 tenants who own cats for every 1 tenant who owns fish. if there are 5 tenants who own fish, how many tenants own cats?
*Wednesday, September 17, 2014 at 9:50pm*

**business in mathematics**

step by step solving plsss im very law in math so plss to solve step by step thanks.On August 1,1990, Mr.Talamos borrows 9,500 pesos and agrees to pay the compounded amont on the day he pays the debt. If interest is at the rate of 5 1/2% compounded quarterly, how much must Mr...
*Wednesday, September 17, 2014 at 9:49pm*

**Math**

A bike rental charges a $4.00 rental fee plus $2.25per hour. Selena paid $12.00 to rent a bike. How many hours did Selena rent the bike for? I can't figure out how to round the answer 4+2.25x=12 -4 -4 2.25x= 8 2.25 2.25 X= 3.555555555555555
*Wednesday, September 17, 2014 at 9:47pm*

**math**

a 132 inch lenght of ribbon is to be cut into 3 pieces the longest piece is to be 39 inches longer than the shortest piece and the third piece is to be half the length of the longest piece find the length of each piece of ribbon
*Wednesday, September 17, 2014 at 9:37pm*

**math**

The distance remaining for a half marathon race over several minutes is shown in table. Use the information to determine the constant rate change in the minutes per mile. Table: Time (min) Distance Remaining (mi) 40 8 56 6 72 4 88 2
*Wednesday, September 17, 2014 at 9:12pm*

**math help ASAP!!**

simplify fully! 3x-2/x+4 = 18-4x/x^2-16 - 3x+2/4-x show all of your steps pleasee !!
*Wednesday, September 17, 2014 at 9:00pm*

**Math**

7x^2=8x
*Wednesday, September 17, 2014 at 8:54pm*

**Math**

Find an equation of the line L, where L is perpendicular to y=3x and passes through the point (1,3) I know the slope would be -1\3x but in my answer keyy it says the answer is -1\3x + 10/3 I am not sure how they got the +10\3 part thanks
*Wednesday, September 17, 2014 at 8:39pm*

**Math:Algebra 2**

Find an equation of the linear function f having a slope of -2 if f(1)=3 My teacher never taught this, please help
*Wednesday, September 17, 2014 at 8:34pm*

**math 6th grade**

Maritza is baking cookies to bring to school that requires 3 eggs and 2 cups of sugar. To have enough for everyone she bought 12 eggs will 6 cups of sugar be enough? I tried multiplying 3 x 4 = 12 so then multiplied 2 x 4 which is 8 so there would not be enough but we are ...
*Wednesday, September 17, 2014 at 8:26pm*

**math**

a plane flew for 4hrs, 30 miles per hour and an adverge speed of 515 mph how far did it fly?
*Wednesday, September 17, 2014 at 8:19pm*

**math**

find th numbers of cups of sugar needed if for each pie you use 3 cups of sugar 2 pies, 3 pies 4 pies 5 pies 6 pies
*Wednesday, September 17, 2014 at 7:59pm*

**math**

stamjps are sold in bookiets of 100,50, and 10.find as many different ways to buy 200 stamps as you can. record your work in the chart. I don't understan what to do here. help
*Wednesday, September 17, 2014 at 7:47pm*

**Math**

Aiden know the lenght of only one side of his garden. He says he will be able to find the area knowing only one side. Explain how this can be true.
*Wednesday, September 17, 2014 at 7:40pm*

**Math**

How can I explain that 1 15/16 is closest to 2 than 17/8 and 63/32
*Wednesday, September 17, 2014 at 7:39pm*

**math**

Write an equation relating the number of questions I get right on a test to the total score I will get if the test has 20 questions each with the same point value and the test is worth 100 points total. I know each question is worth 5 points so I would think that N (number ...
*Wednesday, September 17, 2014 at 7:38pm*

**math**

2/3 of the students watched tv. Of those students 3/4 watched a reality show. Of the students that watched the show 1/4 of them recorded the show. What fraction of the students watched and recorded a reality tv show? not sure what to do, thinking we need to eliminate one of ...
*Wednesday, September 17, 2014 at 7:25pm*

**math**

Which variable expression represents the word phrase? six decreased by the sum of a number and two. A- (m + 2) - 6 B- 6 - (m - 2) C- (m - 2) + 6 D- 6 - (m + 2)
*Wednesday, September 17, 2014 at 7:18pm*

**math**

(c+2)^2 -1 factor completely (c+2)(c+2) -1 i dont know what to do next. Can you help me please thank you
*Wednesday, September 17, 2014 at 7:14pm*

**Math**

In the number 436,621, which places contain digits where one digit is ten times as great as the other ?
*Wednesday, September 17, 2014 at 7:04pm*

**math**

I have a 15ft board I need to cut into 2 1/8 inch pieces how many can I cut
*Wednesday, September 17, 2014 at 6:57pm*

**math**

blue rectangular tile and red rectangular tile are similar. the blue tile has a length of 10 inches and a perimeter of 30 inches.the red tile has a length of 6 inches. whats is the perimeter of the red tile?
*Wednesday, September 17, 2014 at 6:56pm*

**math**

Which variable expression represents the word phrase? six decreased by the sum of a number and two. A- (m + 2) - 6 B- 6 - (m - 2) C- (m - 2) + 6 D- 6 - (m + 2)
*Wednesday, September 17, 2014 at 6:51pm*

**4th grade math**

GCM OF 12 and 20. Please explain
*Wednesday, September 17, 2014 at 6:51pm*

**math**

Which word phrase can be modeled by the expression? Choose all that apply. 8 - 3n A- eight decreased by the product 3 and a number B- the difference of 8 and the quotient of 3 and a number C- the difference of eight and the product of 3 and a number D- eight less than 3 times ...
*Wednesday, September 17, 2014 at 6:45pm*

**math**

The length of an arc of a circle equals 1/8 of the circle's circumference. What is the diameter of the circle if the length of the arc is 3.14?
*Wednesday, September 17, 2014 at 6:40pm*

**math**

Michelle is now 50 miles ahead of John. Michelle is traveling at a constant rate. John is traveling in the same direction, at a rate 10 miles per hour faster than Michelle. In how many hours will John catch up to Micelle?
*Wednesday, September 17, 2014 at 6:36pm*

**6th grade math**

Hi I'm a parent and I'm trying my best to help my son but I need help. The problem is... Find two positive decimals a and b that make the following statement true. Then find two positive decimals a and b that make the statement false. If a < 1 and b < 1, then a ...
*Wednesday, September 17, 2014 at 6:16pm*

**math**

Luke is making pancakes. The recipe calls for 0.5 quart of milk and 2.5 cups of flour. He has 3/8 quart of milk and 18/8 cups of flour. Luke makes the recipe with the milk and flour that he has. Explain his error.
*Wednesday, September 17, 2014 at 6:10pm*

**Math**

12+4n/3 = 8 Not multiple choice.. trying to find n. My answer is 7 9a - 3(a -6) = -6 Not multiple choice.. I'm not quite sure how to do this The width of a rectangle is 6 in. less than its length. The perimeter is 68 in. What is the width of the rectangle? Not multiple ...
*Wednesday, September 17, 2014 at 6:01pm*

**Math**

GCF of 12
*Wednesday, September 17, 2014 at 6:00pm*

**math**

Sarah has 10 stuffed animals. Explain two different ways she can group the stuffed animals so each group has the same number and no ... number and no stuffed animals ...
*Wednesday, September 17, 2014 at 5:44pm*

**Math help. **

1. 1 • 12 numerical expression variable expression; a is the variable variable expression; there is no variable variable expression; l is the variable 2. f ÷ 7 variable expression; there is no variable numerical expression variable expression; g is the variable ...
*Wednesday, September 17, 2014 at 5:39pm*

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