Friday

August 1, 2014

August 1, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**math 6 probability**

Rick plays football. He makes 75% of his passes. He will be attempting two passes. Rick makes the first one. What is the probability that Rick makes the second pass? 25% 75% 100% 50% I think it's %50 ?
*Wednesday, May 21, 2014 at 8:44pm*

**math**

A section of a hiking trail begins at the coordinates (-7, 5) and follows a straight path that ends at the coordinates (3, 9). What is the rate of change of the hiking trail?
*Wednesday, May 21, 2014 at 8:38pm*

**math **

Find the product 1. (2x)(10x) (1 point) 20x 12x 20x^2 5x 2. –3m(m + 8) (1 point) –3m2 + 24 –3m2 – 24m –24m^2 –4m + 5 3. 4d(2d – 9) (1 point) 8d – 36d –d –28d^2 8d^2 – 36d 4. (3x + 4)(x – 2) (1 point) 3x^2 – 2x &#...
*Wednesday, May 21, 2014 at 8:31pm*

**math 6 probability **

Eric has a spinner that is divided into different colored sections that are the same size and shape. On any spin the theoretical probability of the arrow landing on the red section is 1/5. When Eric spun the arrow x number of times, the arrow landed on the red section 225 ...
*Wednesday, May 21, 2014 at 8:27pm*

**Math**

What is a unit rate?
*Wednesday, May 21, 2014 at 8:12pm*

**Math**

Amita decides that she wants the molds to have a square base.How many of the possible molds can she use?
*Wednesday, May 21, 2014 at 8:06pm*

**Math**

19. Mr. Green teaches band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 48 students who take either band or choir or both. There are 9 students who take both math and choir with Mr. Green. Use ...
*Wednesday, May 21, 2014 at 7:58pm*

**Math 6 meters help**

A fence encloses a rectangular field. The field is 4 meters longer that it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field? Choices 1,192 1296 1292 1440 I have tried dividing but getting know where. :( Help with ...
*Wednesday, May 21, 2014 at 7:39pm*

**Math**

A chessboard has 8 rows and 8 columns. A rook and a bishop are put randomly and with equal probability among all pairs of squares of the board. a. What is the probability that the two pieces are put on the squares (1,1) and (1,2)? b. What is the probability that the two pieces...
*Wednesday, May 21, 2014 at 7:12pm*

**Math 6. Correct?**

Amy is making scale drawings of different things in her neighborhood. One house she drew is 30 feet wide. Her scale drawing of the house is 5 inches wide. Which of the following uses the same scale Amy used to draw this house? Is this right my answer below? 29.5 foot wide play...
*Wednesday, May 21, 2014 at 7:01pm*

**Math 6 scale math**

A model of a rail road station has a scale of 1 inch equals 3.5 feet. The dimensions of the model railroad are 34 inches by 18 inches. What are the dimensions of the actual railroad station? 3.5 feet by 18 feet 34 feet by 63 feet 102 feet by 63 feet 119 feet by 63 feet How do ...
*Wednesday, May 21, 2014 at 6:50pm*

**math 6 algebra**

Mikayla wrote the equation below to calculate y, the total amount of money in dollars she will have saved after she has been saving for x weeks. y = 6x + 80 How much more money will Mikayla have saved after 8 weeks compared to 5 weeks? $8 $18 $98 $128 How do i do this?
*Wednesday, May 21, 2014 at 6:40pm*

**math**

A music concert was attended by 450 people. Adult tickets sold for $70 and children’s tickets for $40. If total sales were $27,750, how much of each ticket was sold?
*Wednesday, May 21, 2014 at 6:25pm*

**math**

explain how to graph the inequality 13>=x
*Wednesday, May 21, 2014 at 6:16pm*

**Math Help! **

1. Find the product. (2x)(10x) 20x 12x 20x^2 5x 2. -3m(m + 8) -3m^2 + 24 -3m^2 + 24m -24m^2 -4m + 5 3. 4d(2d - 9) 8d - 36d -d -28d^2 8d^2 - 36d
*Wednesday, May 21, 2014 at 6:08pm*

**Math**

The number p is the product of three different positive prime numbers greater than 2.If the sum of these three prime number is also prime, what is the smallest possible value for p? Won't the 3 number be 3-5-11? Thanks
*Wednesday, May 21, 2014 at 5:41pm*

**Math 6 properties label**

43 + (57+69) (43+57)+69 Are these associative,Commutative, Identity, Inverse property of addition? I feel it is Associative Property of addition.
*Wednesday, May 21, 2014 at 5:13pm*

**Math - Inequalities**

Please help with the following: What is an open dot, and what is a closed dot? Also, when are they used in inequalities? I am not really sure about what they are. The lesson has not taught me anything about open dots and closed dots. I have also looked them up, but I got ...
*Wednesday, May 21, 2014 at 4:47pm*

**Math 6 proportion **

21% reptiles, 11% are birds. There are a total of 1,500 animals in the zoo. Is this the correct proportion that I wrote to solve? 11/21 = r/1,500
*Wednesday, May 21, 2014 at 4:43pm*

**math**

A line has a run of 5 feet and a rise of 13 feet. Determine the slope.
*Wednesday, May 21, 2014 at 4:35pm*

**math**

The scale on a map is 1cm :50 m.determine a distance of 4 cm in metres
*Wednesday, May 21, 2014 at 4:25pm*

**math 6 rule pattern**

The same rule is used on each of these number column A to get the numbers in Column B. COlumn A B -3 -5 0 1 3 3 6 13 Which could be the rule? Multiply by 2, then add 1 add 1 Subtract 2 Multiply by 3, then add 4 I picked that last one, But I know I am wrong. Help?
*Wednesday, May 21, 2014 at 4:00pm*

**Business Math**

248.24 is 50% of what number?
*Wednesday, May 21, 2014 at 3:54pm*

**Math 6 gemoetery**

A business owner wants to have a rectangular parking lot resurfaced. The lot is 93 feet long by 58 feet wide. Basesd on a cost of $2.47 per square foot, the owner incorrectly estimated that it would cost $12,000 to have the lot resurfaced. Which could be used to get an ...
*Wednesday, May 21, 2014 at 3:37pm*

**math ~dont know all but check some~ pls help!!!**

1. Draw a model to represent the polynomial x2 + 2x + 4. (1 point) 1 big square, 1 tall rectangle, 4 little sqaures 1 big square, 2 tall rectangles, 4 little sqaures in the shape of an "L" 2 big sqaures, 4 little squares none of these 2. Simplify the polynomial. &#...
*Wednesday, May 21, 2014 at 2:36pm*

**math**

What does the word rational coordinates Mean? What are they used for and what is a real world problem that can help me understand it?
*Wednesday, May 21, 2014 at 2:07pm*

**math**

ted has $20,000 invested in mutual bonds from the city of L A.these bonds pay an average return of 5.4% what is the after tax return for the current year on this municipal bond?
*Wednesday, May 21, 2014 at 1:59pm*

**math/financial planning**

bill is in a 30% marginal tax bracket and lives in los angeles and has invested $20,000 in corporate bonds which earns average annual income of 7.5% what will be bills tax return for the current year?
*Wednesday, May 21, 2014 at 1:49pm*

**math**

you have $5 for lunch. You bought a turkey sandwich for $2.25.Write and solve an inequality to show much more can spend.
*Wednesday, May 21, 2014 at 1:05pm*

**English**

Identify the incorrectly punctuated sentence. A.) I went to the library and checked out two books, a movie, and an audio recording. B.) I promised to be on time for the are show so that I could help sign up the participants. C.)I want to learn more about Ireland, but y ...
*Wednesday, May 21, 2014 at 12:59pm*

**math **

there is a monthly fee of $35 at your fitness center. You have spent $700 in fees at the fitness center since you have joined.Write and solve an equation to determine how many months you were a member
*Wednesday, May 21, 2014 at 12:45pm*

**math**

A train leaves LAX traveling 65 MPH and another train leaves NY traveling at 35 MPH…at what destination will they collide
*Wednesday, May 21, 2014 at 12:44pm*

**English**

identify the sentence in which the bolded verb does not agree with its subject. A.) Everyone on the team WORKS together well. B.) Both of them ARE LOOKING forward to the field trip. C.) Neither of the boys IS EXCITED about playing football.*********************** D.) One of ...
*Wednesday, May 21, 2014 at 12:38pm*

**math**

In which quadrant does the terminal side of the angle with measure -245 degree lie? Quadrant I Quadrant IV Quadrant III Quadrant II None
*Wednesday, May 21, 2014 at 12:36pm*

**Math**

six people can sit in one table that is rectangular when two tables are placed together ten people can be seated how many people can be seated with three tables?
*Wednesday, May 21, 2014 at 12:31pm*

**math **

The 3rd term in an arithmetic sequence is 12, the 7th term is 24, a) How many common differences are there between a_3 and a_7? b) What is the common difference of the sequence? c) What is the first term in the sequence? a_1 d) What is the expression for this arithmetic sequence?
*Wednesday, May 21, 2014 at 12:06pm*

**math**

c=2πr c= 7.12 pi= 3.14 find value of r -rounded to 2 decimal points
*Wednesday, May 21, 2014 at 11:11am*

**Math**

Suppose you spin a spinner that is equally likely to land on any one of the numbers from 1 to 8. Which event has the same probability as P(not 2 or 3)?
*Wednesday, May 21, 2014 at 11:10am*

**math**

A construction company is laying natural gas Piping: pipeline. Several sections of pipe have been laid in a pile at the construction site. There are 12 sections of pipe in the bottom row of the pile. Each row has one less pipe than the row below it. There are 8 rows of pipe.
*Wednesday, May 21, 2014 at 11:06am*

**Math**

identify the vertex and the length of the transverse axis is 10 units, and the length of the conjugate axis of the hyperbola x^2/25-y^2/16=1
*Wednesday, May 21, 2014 at 10:54am*

**math**

If a plant has a linear growth rate and 1 day after planting is 2x+4 and day four is 4x+8 Wgat is the growth rate?
*Wednesday, May 21, 2014 at 10:43am*

**MATH**

HOW DO YOU WRITE 21 MAY 2014 IN 5 LETTERS WITHOUT USING NUMBERS
*Wednesday, May 21, 2014 at 10:10am*

**English**

1. Do you sleep less than 5 hours a day? 2. I like you less than him. 3. I ate fish less than fruit. 4. I ordered fried chicken less than noodles. 5. I player soccer less than baseball. 6. I studied math less than English. 7. I helped Mother less than my brother. 8. I worked ...
*Wednesday, May 21, 2014 at 10:04am*

**math**

1 identify the coordinates of the vertex and the equation of the axis of summetry of the parabola x=2 (y-1)^2+3 A. The vertex of the parabola is (1,3), and the equation of the axis of symmetry B. the vertex of the parabola is (3,1) and the equation of the axis of symmetry c. ...
*Wednesday, May 21, 2014 at 9:45am*

**Math**

determine the midpoint of the segment whose endpoints are a(7 3 -4) and b(-3 1 0)
*Wednesday, May 21, 2014 at 9:28am*

**Math**

1/a+1/b+1/c=1/2 aâ‰§bâ‰§c Please help me The math question
*Wednesday, May 21, 2014 at 9:21am*

**Math**

identify the center and radius of the circle with the equation (x+5)^2+(y-2)^2=9 A. this equation represents a circle with center (5,-2) and a radius of 3 units B. This equation represents a circle with center (-5,2) and a radius of 3 units C. this equation represents a circle...
*Wednesday, May 21, 2014 at 8:22am*

**Math**

identify the center and radius of the circle with the equation (x+5)^2+(y-2)^2=9 A. this equation represents a circle with center (5,-2) and a radius of 3 units B. This equation represents a circle with center (-5,2) and a radius of 3 units C. this equation represents a circle...
*Wednesday, May 21, 2014 at 8:21am*

**Math,english,lo,ancilury,art&culture,setswana**

Simplify the following ratios.6:72
*Wednesday, May 21, 2014 at 8:07am*

**Math 8th Grade!!!!**

27 - (-9) (-2) ÷ 3 * (-4) - 0 - 33 - (-39)
*Wednesday, May 21, 2014 at 6:56am*

**math 8th grade**

-15 - (3-7) + 6 * (-2) + (-8) - 9
*Wednesday, May 21, 2014 at 6:49am*

**math**

-15 - (3-7) + 6 * (-2) + (-8) - 9
*Wednesday, May 21, 2014 at 6:48am*

**Math 8th gr.**

27 - (-9) (-2) ÷ 3 * (-4) - 0 - 33 - (-39)
*Wednesday, May 21, 2014 at 6:48am*

**MATH**

There are 8 boys, 12middle schoolers and 8 girls. what is the ratio of girls to boys?16/12=4:3 divide both sides by 4
*Wednesday, May 21, 2014 at 5:57am*

**fifth grade math**

susan picked a watermelon that weighed 8/15 lb. larry a watermelon that weigh 1/4 as much as Susans. how muchdid larrys weigh
*Wednesday, May 21, 2014 at 1:49am*

**math test**

A new cruise ship line has just launched 3 new ships: the Pacific, the Caribbean, and the Mediterranean. The Caribbean has 32 more rooms then the Pacific. The Mediterranean has 38 fewer rooms than FOUR times the number of rooms on the Pacific. Find the number of rooms for each...
*Wednesday, May 21, 2014 at 12:36am*

**Math 8th gr.**

27 - (-9) (-2) ÷ 3 * (-4) - 0 - 33 - (-39)
*Tuesday, May 20, 2014 at 11:21pm*

**math**

-15 - (3-7) + 6 * (-2) + (-8) - 9
*Tuesday, May 20, 2014 at 11:19pm*

**math**

draw a number line to show that the fractions are equivalent 3/4=6/8 and 1/4=2/8
*Tuesday, May 20, 2014 at 10:54pm*

**math**

log5(3x+9)-2
*Tuesday, May 20, 2014 at 10:47pm*

**math**

how you can use a number line to show that 3/6 and 1/2 are equivalent fractions
*Tuesday, May 20, 2014 at 10:22pm*

**math**

Fun & Games is having a sale. There is a special price for games sold in packs. Pack A cost $ 41.70 and includes Feisty Fox, Dolphin Derby, and Rat Race. Pack B cost $ 37.95 and includes Rat race and two Feisty Fox games. Pack C cost $ 26.75 and includes Dolphin Derby and ...
*Tuesday, May 20, 2014 at 10:11pm*

**Math**

I'm trying to make a slope on graph paper, I had to make a figure with six sides and this is my vertexes. A=(4,-8) B=(9,-10) C=(15,-7) D=(13,-4)E=(7,-6) F=(4,-4) My segment is A and B my slope is -8-(-10)/4-9=-8+10/4-9=2/-5 What I get as my answer is -0.4 is that an ...
*Tuesday, May 20, 2014 at 10:01pm*

**math**

-3T+8=20
*Tuesday, May 20, 2014 at 9:04pm*

**Math**

You want to determine the average number of songs people keep on their MP3 players. You want to collect data from a random sample of at least 300. Which of these would be the most valid method of collecting data? a. Survey students coming in and out of your school cafeteria. b...
*Tuesday, May 20, 2014 at 9:03pm*

**Math**

A biologist has determined that a particular osprey has a 70% chance of catching a fish on any given day. Carry out a simulation of 20 trials using the random number table below to find the probability that the osprey will actually catch a fish on all of the next three days. ...
*Tuesday, May 20, 2014 at 8:12pm*

**MATH HW HELP!!**

The rate of bacteria growth in a laboratory experiment was at 16% per hour. If this experiment is repeated and begins with 5 grams of bacteria, how much bacteria should be expected after 12 hours? Round to the nearest tenth of a gram.
*Tuesday, May 20, 2014 at 7:40pm*

**MATH HW HELP!!**

As a savings plan for college, when their son Bob was born, the Wilburs deposited $10,000 in an account paying 8% compounded annually. How much will the account be worth when Bob is 18 years old?
*Tuesday, May 20, 2014 at 7:24pm*

**math **

A new cruise ship line has just launched 3 new ships: the Pacific, the Caribbean, and the Mediterranean. The Caribbean has 32 more rooms then the Pacific. The Mediterranean has 38 fewer rooms than FOUR times the number of rooms on the Pacific. Find the number of rooms for each...
*Tuesday, May 20, 2014 at 7:20pm*

**MATH HW HELP!!**

Mike Gioulis would like to have $25,000 in 4 years to pay off a balloon payment on his business mortgage. His money market account is paying 1.825% compounded daily. Disregarding leap years, how much money must Mike put in his account now to achieve his goal? Round to the ...
*Tuesday, May 20, 2014 at 7:12pm*

**math**

The value of an uncirculated mint state-65 1950 jefferson nickle minted in denver is 4/3 the value a 1945 nickle minted in philadelphia is similar condition. together the total value of the two coins is $21.00
*Tuesday, May 20, 2014 at 7:10pm*

**MATH HW HELP!!**

stuart daniels estimates that he will need 25,000 to set up a small business in 7 years. how much must Stuart invest now at 12%interest compounded quarterly to achieve his goal?
*Tuesday, May 20, 2014 at 7:09pm*

**math homework help**

Pinnacle Homes, a real estate development company, is planning to build five homes, each costing $125,000, in 2.5 years. The Galaxy Bank pays 6% interest compounded semiannually. How much should the company invest now to have sufficient funds to build the homes in the future?
*Tuesday, May 20, 2014 at 7:08pm*

**Math**

I am a parent of a seventh grader enrolled in k12 and neither of us are doing so great in the math department. is there a way to get the answer key for k12
*Tuesday, May 20, 2014 at 7:00pm*

**math homework help**

motorcycle company invested 250,000 at 4.5% compounded monthly to be used for the expansion of their manufacturing facilities how much will available for the project in 3.5 years?
*Tuesday, May 20, 2014 at 6:49pm*

**math**

TEN PEOPLE PLAY CARDS STARTING ON MAY 27TH,2014, FOR 27 TUESDAYS, ENDING ON NOV. 25TH2014. HOW TO GIVE EQUAL PLAYING TIME TO ALL WHEN ONLY 8 PEOPLE ARE NEEDED FOR EACH TUESDAY.?
*Tuesday, May 20, 2014 at 6:37pm*

**Math: Linear Equation **

I have not learned this yet in class and I am stuck on this homework problem. Graph the linear equation by using a table of solutions. 3x-4y=12
*Tuesday, May 20, 2014 at 6:06pm*

**Math**

This seems like it would be a simple math problem but...... How do you create an equation and calculate the difference between 2 birthdays, putting the older person's on top? 5/17/1987 and 10/28/2002 PLEASE HELP ME!
*Tuesday, May 20, 2014 at 4:54pm*

**Math **

In math, if you are tracking your actual weight on a month to month basis, what kind of slope would you expect (negative or positive), remembering that goal of a diet is to lose weight.
*Tuesday, May 20, 2014 at 4:40pm*

**math**

simplify. what are the excluded values? x^2+6x+9/5x+15
*Tuesday, May 20, 2014 at 4:06pm*

**math help !**

1. A rectangular prism has a width of 92 ft and a volume of 240 ft3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, if necessary. a)3.8 ft3 b)60 ft3 c)15 ft3 d)10.4 ft3 2.A pyramid has a height of 5 in. and a surface area of 90 in2. Find ...
*Tuesday, May 20, 2014 at 3:50pm*

**math**

The ratio of steve's age to tims age is 6:7. If steve is 84, how old is tim
*Tuesday, May 20, 2014 at 3:39pm*

**Math Finance**

We have two independent investments. Each of them may have a 1% chance of a loss of 10 million dollars, a 2% chance of a loss of 5 million, a 3% chance of a loss of 1 million, and a 94% chance of a profit of 1 million. (Express all the following answers in million dollars: 100...
*Tuesday, May 20, 2014 at 3:38pm*

**Math help plz**

The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that travel through the blood to ...
*Tuesday, May 20, 2014 at 3:25pm*

**Math**

I need help on my math question. can someone please explain the process? You have $5 for lunch. You bought a turkey sandwich for $2.25. Write and solve an inequality to show how much more you can spend.
*Tuesday, May 20, 2014 at 3:22pm*

**Math**

This seems like it would be a simple math problem but...... How do you create an equation and calculate the difference between 2 birthdays, putting the older person's on top? 5/17/1987 and 10/28/2002 PLEASE HELP ME! hank You
*Tuesday, May 20, 2014 at 3:14pm*

**math help**

Identify the center and radius or the circle with the equation. (y-5)^2+(Y+8^2=25
*Tuesday, May 20, 2014 at 3:10pm*

**math **

no more than 12 people can enter the haunted house every 10 minutes. which inequality represent the situation? A. a < 12 B. a <_ 12 there's a line under neater < C. a > 12 D. a _> 12 there's a line under neath >
*Tuesday, May 20, 2014 at 3:03pm*

**math**

identify the center and radius or the circle with the equation (x+2)^2+(y-3)^2=4
*Tuesday, May 20, 2014 at 2:58pm*

**Math Probability**

Let X and Y be independent random variables, each uniformly distributed on the interval [0,2]. Find the mean and variance of XY. E[XY]= var[XY]= Find the probability that XY≥1. Enter a numerical answer. P(XY≥1)=
*Tuesday, May 20, 2014 at 2:47pm*

**Math**

I need help on a math question. can someone walk me through the process? 12 + 4m = 24
*Tuesday, May 20, 2014 at 2:22pm*

**math--check my answer**

stem-and-leaf plot 3| 7 8 9 4| 1 3 7 5| 2 4 37, 38, 39, 41, 43, 47, 52, 54 *** 73, 83, 93, 14, 34, 74, 25, 45 7, 8, 9, 1, 3, 7, 2, 4 37, 38, 39, 14, 34, 74, 25, 45 =
*Tuesday, May 20, 2014 at 1:30pm*

**trigonomertry math**

If cos A=1/3 and tan A<0,determine the value of 2sin A+tan A without the use of a calculator
*Tuesday, May 20, 2014 at 1:15pm*

**Math**

What data are represented by the stem-and-leaf plot below? stem-and-leaf plot 3| 7 8 9 4| 1 3 7 5| 2 4 37, 38, 39, 41, 43, 47, 52, 54 73, 83, 93, 14, 34, 74, 25, 45 7, 8, 9, 1, 3, 7, 2, 4 37, 38, 39, 14, 34, 74, 25, 45
*Tuesday, May 20, 2014 at 12:17pm*

**Math help plz**

19, 19, 14, 14, 16, 19, 19, 16, 16, 15, 17, 16, 17, 16, 15, 14, 15, 15, 17, 14, 16, 15 2. Find the mean for the data. If necessary, round to the nearest tenth. 17.5 16.5 17.1 16.1 3. Find the median for the data. 17 16 15 14 4. Find the mode for the data. 14 15 16 17
*Tuesday, May 20, 2014 at 11:51am*

**Math**

This seems like it would be a simple math problem but...... How do you create an equation and calculate the difference between 2 birthdays, putting the older person's on top? 5/17/1987 and 10/28/2002
*Tuesday, May 20, 2014 at 11:18am*

**math**

if the diagonals of a quadrilateral bisect at 90degree ,then is it a square?
*Tuesday, May 20, 2014 at 11:10am*

**Math**

Sam Sounds received a $320 discount loan to purchase a stereo. The loan was offered at 16% for 90 days. Find the interest in dollars and the proceeds for the following problem.
*Tuesday, May 20, 2014 at 10:15am*

**math**

A unicycle travels 50 feet. If the radius of the tire is 24 INCHES, how many times does the tire rotate?
*Tuesday, May 20, 2014 at 9:39am*

**math **

Their car gets 30 miles per gallon in gas mileage. They are traveling for seven hours at a rate of 55 miles per hour. Assuming no stops, how much gas will they need to complete their seven hour trip?
*Tuesday, May 20, 2014 at 9:00am*

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