Wednesday
June 29, 2016

# Homework Help: Math

## Recent Math Questions

math
a fair die is tossed until a score of less than 5 points is obtained . The probability of obtaining not less than 2 points is?
Saturday, April 30, 2016 by Please do help

math
Saturday, April 30, 2016 by lisa

Math
Name things that are false about prime numbers
Saturday, April 30, 2016 by Nicole

math
Eight players P1, P2,. ..... P8 play a knock-out tournament. It is known that whenever the players Pi and Pj play; the player Pi will win if i < j. Assuming that the players are paired at random in each round, what is the probability that the player P4 reaches the final ?

math
By what percent will a fraction decrease if its numerator is decreased by 50% and its denominator is decreased by 25%?
Saturday, April 30, 2016 by Anonymous

math
if the papers of 4 students are checked by any of the 7 teachers, then the probability that all the 4 papers are checked by exactly 2 teachers is?
Saturday, April 30, 2016 by Maths

math
The median number of magazine appearances made by 7 models is 5. The range of magazine appearances by those models is 5. Determine if the following statement is true, is false, or does not contain enough information. The fewest magazine appearances could be 1. true false or ...
Saturday, April 30, 2016 by rish

Math (Dividend Growth Rate)
I'm trying to figure out the annual dividend growth of a company in 30 years using the current annual dividend rate, and the 5 year growth rate. The formula is A= P(1+r)^t The current dividend Is $1.92 and the Five year dividend is$2.3 So I took 1.92(1 + .023)^30 and got ...
Saturday, April 30, 2016 by mysterychicken

Math
isoceles triangle with vertex of 45 degrees, base angles are 67.5 degrees. The 2 legs are 10' in length. What is the length of the base? (I am an older adult with minimal math skill. Just have a building project.)
Saturday, April 30, 2016 by Tom

MATH
HOW MANY LITRES OF WATER CAN FILL A TANK THAT MEASURES 50CM BY 10CM BY 20CM
Saturday, April 30, 2016 by ADE

MATH
FIND THE NUMBER OF TERMS IN THE A.P 11,14,17...83
Saturday, April 30, 2016 by ENIOLA

Math
A tree and a flag pole are on the same horizontal ground, A bird on top of the tree observes the top and bottom of this flag pole below it at angle 45 degrees and 60 degrees respectively, If the tree is 10.65 meters high ,calculate and correct to 3 significance figures the ...
Saturday, April 30, 2016 by Edwin

math
A car is the 7th from each column, how many vehicles were in the line
Saturday, April 30, 2016 by Fickmann

Math
A number is selected from 5 t0 14 inclusive.what is the probability that it is either an even number or a factor of 40
Saturday, April 30, 2016 by Anonymous

Math
The rectangular backboard of a basketball court needs to be assembled. Its area is given as 18,900 cm2 and the width as 1.8 m. What is the backboard’s length in metres? m
Saturday, April 30, 2016 by Alex

Math
A plant 73cm tall.how many more centimetres does it have to grow before it is 1 metre tall?
Saturday, April 30, 2016 by Raj

math
Stock worth $60 a share dropped in value by 20% on Monday, then, again by$10 the next Tuesday and, finally, increased by 55% the following Friday. What was the final price of a share?
Saturday, April 30, 2016 by Anonymous

math
By what percent will a fraction decrease if its numerator is decreased by 50% and its denominator is decreased by 25%?
Saturday, April 30, 2016 by Anonymous

math
A store gets a bucket of eggs for $16.20 and sells a dozen eggs for$3.50. If there are 450 eggs in the bucket, by what percent has the store increased the price per dozen eggs?
Saturday, April 30, 2016 by Anonymous

math
If a gang of eight rob a bank, what percent of the loot belongs to three of the robbers? What percent belongs to them if two of the gang are killed? By what percent does each robber’s share increase?
Saturday, April 30, 2016 by Anonymous

math
A store manager wishes to reduce the price of her fresh ground coffee by mixing two grades. If she has 50 pounds of coffee which sells for $1.20 per pound, how much coffee worth 80 cents per pound must she mix with it so that she can sell the final mixture for$1.00 per pound?
Saturday, April 30, 2016 by Anonymous

math
What is 29672 rounded to the nearest 500
Saturday, April 30, 2016 by lily

consumer math
'if I borrowed 1380 for 15 months at 13%APR what will be her monthly payment
Saturday, April 30, 2016 by Jasmine

Math
Gerry and Jane play a trivia game. Gerry's score is -17 and Jane score is -24. What is the difference between Gerry's score and Jane's score?
Saturday, April 30, 2016 by Mixed up

MATH
Write 2-3 as an addition problem. Then simplify the expression. Write -7 -(-4) as an addition problem. Then simplify the expression. -1 (-7) as an addition problem. Then simplify the expression.
Saturday, April 30, 2016 by Speedy

math
Describe how to add-8 and 14 on a number line that runs from -10 to 10. would this answer be = 6
Saturday, April 30, 2016 by Speedy

MATH
Amy gains 3 points, Jamal gains 5 points What is the number of points Amy and Jamal gain altogether? Would you represent this amount as a positive or negative number? Why? Will my answer be = +15
Saturday, April 30, 2016 by Speedy

math
Austin is watching a football game. His team loses 9 yards and then gains 5 yards. He doesn't watch the next play, but afterward, he sees that his team now has a total loss of 1 yard. How many yards did the team gain or lose on the play Austin missed?
Saturday, April 30, 2016 by Speedy

MATH
Ray loses 4 points Kim loses 2 points What is the number of points Ray and Kim lose altogether? Would you represent this amount as a positive or negative number? Why?
Saturday, April 30, 2016 by Speedy

Math
A bucket begins weighing 15 pounds, including the sand it holds. The bucket is to be lifted to the top of a 50 foot tall building by a rope of negligible weight. However, the bucket has a hole in it, and leaks 0.1 pounds of sand each foot it is lifted. Find the work done ...
Saturday, April 30, 2016 by David

Math
An object's velocity after t seconds is v(t)= 38-2t feet per second. a. How many seconds does it take for the object to come to a stop (velocity = 0)? b. How far does the car travel during that time? c. How many seconds does it take the car to travel half the distance in ...
Saturday, April 30, 2016 by Peter

Math
Hello, could someone please go over the steps for this question? Thank you! 1. Find the circumference. Leave your answer in terms of pi. The middle line going through the circle is 8.4 (I'm so sorry I don't know the name of the line, brain fart). A) 12.6 pi cm B) 4.2 ...
Saturday, April 30, 2016 by Tim

math
The Little Lion's water cooler was filled with 255.5 ounces of water. The cooler's tap is emptying out 0.3 ounces of water per second. In how many seconds will the cooler be 40% full? THANK YOU!
Saturday, April 30, 2016 by Tim

Math
Create a set of 15 numbers that have a mean of 65, a median of 60, a mode of 71, and a standard deviation of 25.1
Saturday, April 30, 2016 by Aaron Thomas

math
1.)Mother bought one loaf bread costing php85.00 she also bought two packs of laundry soap that costs php74.00 a pack and toothpaste that costs php86.00 a box.if she paid a 500-peso bill,how much was her change? 2.)Lora is making a necklace.She needs 32 beads for 1/4 of the ...
Friday, April 29, 2016 by joshua quiban

In a blueprint, each square has a side length of ¼ inch. 1 in. : 6 ft Bathroom - 6 squares Bedroom - 20 squares Living Room - 28 squares a. Ceramic tile costs $5 per square foot. How much would it cost to tile the bathroom?$ b. Carpet costs $18 per square yard. How ... Friday, April 29, 2016 by Paulina math Write an expression by combining like terms. 4(1/3x - 1)-3(2/5x - 3) THANK YOU! Friday, April 29, 2016 by Tim math 1.)There are 35 roses.7 of theme are white and the rest are red.how many red roses are there? 2.)There were 27 children in the classroom.several more children came.and there were 58 children in all.How many children came in? 3.)Marie picked 31 empty cans.lyn 5 cans fewer than ... Friday, April 29, 2016 by joshua quiban Math Lily has 12 balloons. 5 are blue, 3 are red and the rest are green. What fractions of the balloons is green? Give your answer in its simplest form. Friday, April 29, 2016 by Fatheha Math Y= 2x -1 and y= x+3 (2,4) (-4,2) (4,2) No solutions Friday, April 29, 2016 by Mia math At a concert there are 3 times as many women as men. 3/5 of the men and 1/3 of the women wear glasses. There are 120 more women wearing glasses than men wearing glasses .How many people are at the concert? Friday, April 29, 2016 by Alicia Math 1. In this scenario, identify the population, the sample, and any population parameters or sample statistics that are given. A medical study followed 675 cancer patients who received either the new drug Lafent or a standard chemotherapy drug. 76% of those who receives Lafent ... Friday, April 29, 2016 by Devhin Miles PLEASE HELP Math The diagram shows how 3 people figured out how to share 2 cookies. Which equation does Not match the diagram. A.3/2 = 3 * 1/2, B.2 / 3 = 2/3, C.2 / 3 = 2 * 1/3, D.2 / 3 = 1/3 of 2. Friday, April 29, 2016 by Pier math The Davidson family wants to expand its rectangular patio, which currently measures 15 ft by 12 ft. They want to extend the length and width the same amount to increase the total area of the patio by 160 ft2. Which quadratic equation best models the situation? A = lw (15)(12... Friday, April 29, 2016 by joe math Pedro pours 3 pints of iced tea into separate containers that can hold 1/2 pits of iced tea. how much iced tea Pedro had. Friday, April 29, 2016 by bob math if letters of the word REGULATIONS are arranged at random. what is the probability that there will be exactly 4 letters between R and E? Friday, April 29, 2016 by subject Math/Computer I had finished a project and the last question is making me graph something on Word. How do I graph (3, 0) on word? Thank you :) Friday, April 29, 2016 by Alexia Smith Math 2. Based on the experimental probability predict the number of times you will roll a 5 if you roll the number cube 300 times. 15 27 48 54 Friday, April 29, 2016 by FluttershyK22 math The table shows the results of rolling a number cube labeled one through six 50 times. (table) number rolled: 1, 2, 3, 4, 5, 6 Frequency: 7, 9, 11, 6, 9, 8 What is the experimental probability of rolling 3? 0.11 0.22 0.30 0.27 Friday, April 29, 2016 by FluttershyK22 math an urn contains 2 white and 2 black balls. a ball is taken at random. if the ball is white then it is not replaced otherwise it is replaced along with another ball of the same colour. find the probability that the third ball drawn is black. Friday, April 29, 2016 by maths math a girl born in 2001 and died in 2005 and her age was 50 Friday, April 29, 2016 by lolita Math The distance between Town A and Town B was 210 km. At 9:20 P.M., a bus set off from Town A to Town B and a car left from Town B to Town A. The average speed of the bus was 60 km/h, and the average speed of the car was 80km/h. a) Calculate the time at which the car passed the ... Friday, April 29, 2016 by Brody Math Minta deposits 1000 euros in a bank account the bank pays a nominal annual intrest rate of 5% compounded quartterly find the time in years until minta withdraws the money from her bank account Friday, April 29, 2016 by Roygbiv Math In high school, I played soft ball. I hit the ball into the air with an upward velocity of 35 ft. The equation that gives the height (h) of the ball at any time (t) is: h(t)= -15t2 + 35ft + 1.0. What is the y-coordinate of the vertex? Use: x=-b/2a Friday, April 29, 2016 by Kendra math My ratio is 4tsp of concentratet to 3 oz of water. How much of each do I need to make 64 oz. Please figure by cps. Friday, April 29, 2016 by Patty Math (Probability) Each of two urns contains green balls and red balls. Urn I contains 8 green balls and 12 red balls. Urn II contains 5 green balls and 8 red balls. If a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C. 20/33* D. 2/13 You have six$1 bills, eight $5 ... Friday, April 29, 2016 by Drew sails math A chemist has a solution that is 70% acid and another that is 45% acid. How many liters of each should he mix to obtain 300 liters of a solution that is 65% acid? Friday, April 29, 2016 by Brooke Math Julie is making bookmarks for the 5th grade class. She has a roll of ribbon 6 feet long. Each bookmark requires 4 3/4 inches of ribbon. how many complete bookmarks can she make? Friday, April 29, 2016 by Geo math -.- x^4+5x^3 _______ 3x^2 How would I do this? I can't seem to figure out how to set this problem up. Friday, April 29, 2016 by Jasmine math x^4+5x3 _______ 3x^2 How would I do this? I can't seem to figure out how to set this problem up. The x^4 is confusing me greatly. Friday, April 29, 2016 by Jasmine math 1) Which of these is a rational number? a. Pi b. Square root 3 ****** c. Square root 2 d. 1.3 (the # 3 has a line at the top) 2) Which of the following sets contains 3 irrational numbers? a. Square root 120 , n , Square root 3 ****** b. - Square root 256 , 1/9 , 1/12 c. 3.14... Friday, April 29, 2016 by jai math A park needs to make a cement walkway that cuts through the park diagonally. If the length of the park is 300 meters and the width is 400 meters, how long will the walkway be? Friday, April 29, 2016 by Can someone help me quickly Math Help Find the Area: f(x)=sin6x and g(x) = cos 12x, -pi/12 less than or euqal to x is less than or equal to pi/36 Friday, April 29, 2016 by Cindy Math Mai has a piece of cloth that is 8.35 meters long. How many 15 centimeter pieces can she cut from the cloth? How much will be left over? Friday, April 29, 2016 by Anna Math A frozen yogurt shop offers scoops in cake cones, waffle cones, or cups. You can get vanilla, chocolate, strawberry, pistachio, or coffee flavored frozen yogurt. If you order a single scoop, how many outcomes are in the sample space? Is the answer 3? If not please work this ... Friday, April 29, 2016 by Rafael Math During the month of June, Ava kept track of the number of days she saw birds in her garden. She saw birds on 18 days of the month. What experimental probability that she will see birds in her garden on July 1? Can somebody show me how to work this problem out? Thursday, April 28, 2016 by Rachel 7th Grade Math The experimental probability of hearing thunder on any given day in Ohio is 30%. Out of 600 days, on about how many days can Ohioans expect to hear thunder? Is my answer 420 days? I multiplied 600*.30=180, then I subtract 180 from 600 and got 420. Thursday, April 28, 2016 by Maggie Business math part 2 Kyle works 40 hours at a rate of$10.75 per hour. he has total deductions of $87.25. what is his net pay? A.$342.75 B.$430.00 C.$412.75 D.$362.25 Thursday, April 28, 2016 by Kym math Find the area: f(x)=sin6x and g(x) = cos 12x, -pi/12 less than or euqal to x is less than or equal to pi/36 Thursday, April 28, 2016 by Cindy Math Check Find the volume when the solid has a base of the x-axis and a semi-circle of y=sqrt(25-x^2). My answer is 500/3. Is that correct? Thursday, April 28, 2016 by Susie Math A collection of nickels dimes and quarters consist of 22 coins with the total value of 1.75. If the number of nickels is three times the number of dimes, how many of each coin are contained in the collection Thursday, April 28, 2016 by Patricia 7th grade math On a recent day, 8 euros were worth$9 and 25 euros were worth $27. Write an equation of the form y = KX yo show the relationship between the number of euros and the value in dollars. ___________, where y is dollars and X is euros My answer is$36 = k32. is my answer correct? ...
Thursday, April 28, 2016 by Missy

1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. 2. Design a fair race in which the two animals have an equal chance of winning if they race at their top speed. Here are a few ...
Thursday, April 28, 2016 by Alexia Smith

math
A bicycle trip starts at 2:00 p.m. and ends at 5:45 p.m. If the cyclist travelled 86.3 miles, what was his/her average velocity?
Thursday, April 28, 2016 by qwenie

math
Let f be the function defined by f(x) = 2{x^3} - 4x + 1. Which of the following is an equation of the line tangent to the graph of f at the point x = - 1?
Thursday, April 28, 2016 by qwenie

math
Write an equivalent expression by combining like terms. (4/5 x + 3) - (1/4 x - 1) (fraction 4 over 5 'x' plus 3)minus (fraction 1 over 4 'x' minus 1) THANK YOU!!
Thursday, April 28, 2016 by Tim

math
The cost and revenue functions for a certain production facility are: C(x) = {x^2} + 2\,\,{\rm{and}}\,\,R(x) = 2{x^2} - x, then the break-even points are ( - 1,3)\,\,\,{\rm{and}}\,\,\,(2, - 6).
Thursday, April 28, 2016 by qwenie

Math
Five friends share 4 apples equally.what fraction of an apple does each friend get?
Thursday, April 28, 2016 by Taha

math
He wanted t make another quilt with an area of 42 square feet. What are its possible dimensions if they must be whole numbers? Which length and width make the most sense for a quilt?
Thursday, April 28, 2016 by Isha

Math
solve the systems of equations algebraically. please show all your steps. y=x^2+2x y=3x+20
Thursday, April 28, 2016 by Black Rose

Math
The number of blocks has nine in the ones place the numbers in the hundreds place is one more than the number in the tens place there are two numbers equal 11 how many block are there
Thursday, April 28, 2016 by Andrew

Math
The following table represents a grouped frequency distribution of the number of hours spent on the computer per week for students. What percentage of students used the computer between 7 and 14.9 hours per week? Round your answer to one decimal place, if necessary. Hours ...
Thursday, April 28, 2016 by Devhin Miles

math libral arts
1. In this scenario, identify the population, the sample, and any population parameters or sample statistics that are given. A medical study followed 675 cancer patients who received either the new drug Lafent or a standard chemotherapy drug. 76% of those who receives Lafent ...
Thursday, April 28, 2016 by Casey Vanover

math
Jake spent 3/8 of his money on a DvD and 1/2 of what was left on a sandwich. He now has $6.25. How much money did he start with? Thursday, April 28, 2016 by Anonymous math Madison Square Garden in New York City is built in the shape of a circle. Its diameter is 404 feet and it accommodates 20,234 spectators. To the nearest tenth, of a square foot how much area is there for each spectator? Thursday, April 28, 2016 by Anonymous Math Jake spent 3/80 of his money on a DvD and 1/2 of what was left on a sandwich. He now has$6.25. How much money did he start with?
Thursday, April 28, 2016 by Anonymous

Math
You have a cake that was cut into 18 pieces. At the end of the party one half of the cake was left. Then you friend took 5 pieces home for her family. What fraction of the cake do you still have?
Thursday, April 28, 2016 by Bella

math
If the short leg of a 30-60-90 right triangle is 2 feet. What is the long leg and the hypotenuse? My answer: Long leg = 2 feet Hypotenuse = 4 feet

Math
order these fraction from least to greatest 5/6, 1/4, 1/2
Thursday, April 28, 2016 by Terrika

Math
How many meters from the fulcrum to the applied force would allow a 100 newton weight to be lifted using only 10 newton of force?
Thursday, April 28, 2016 by Guy

math
Brian's kite is flying at the end of 82 of string. His end of string, is 3 feet off the ground. the angle of elevation of the kite is 55 degrees. What is the height of the kite?
Thursday, April 28, 2016 by Anonymous

math
A recipe calls for 3/4cup rice how many cups of rice are needed to make the recipe 14times
Thursday, April 28, 2016 by Arianna

math
The distance between town A and town B was 210 km. At 9:20 pm, a bus set off from town A to town B and a car from town B to town A. The average speed of the bus was 60 km/h, and the average speed of the car was 80 km/h. a) Calculate the time at which the car passed the bus. b...
Thursday, April 28, 2016 by emily

math
Ava made 100 paper cranes, and Brittany made 3/4 of paper cranes Ava made. Ava gave 9/20 of her paper cranes to Brittany. Then, Brittany gave 1/4 of her paper cranes to Ava. How many more cranes did Brittany have than Ava in the end?
Thursday, April 28, 2016 by emily

Alerbra/Math
I need help on this question. The supplement or an angle is 18° less than the measurement of the angle
Thursday, April 28, 2016 by John

math
At 6 A.M., Dylan and his neighbor, Mickey, drove in their cars to a city that was 300 miles away from their neighborhood. When Dylan reached the city, Mickey had 50 miles to go. He finally completed the trip 48 minutes later. A) How long did it take Mickey to drive to the city...
Thursday, April 28, 2016 by Aly

Math
A rocket is launched from the top of a 50 foot cliff with an initial velocity of 120 feet per second. The height, h, of the rocket after t seconds is given by the equation h=-16t^2 + 120t+ 50. How long after the rocket is launched will it be 10 feet from the ground?
Thursday, April 28, 2016 by Anonymous

Math
I'm a fraction that is equivalent to 1/2 and my sum of the numerador and denominator is 15 what fraction I'm
Thursday, April 28, 2016 by Gram

Math
Darin has 5 coins that total 62 cents.what are the coins
Thursday, April 28, 2016 by Jasmine

Math
There were 12 new trucks brought to the sales lot on Monday. Three of them were red. At this rate if 40 trucks are brought to the lot by Thursday, how many of them will be Red?
Thursday, April 28, 2016 by Anonymous