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August 1, 2014

Homework Help: Math

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Recent Math Questions

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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 a≧b≧​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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