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January 20, 2017

Homework Help: Math

Branches of Math

Recent Math Questions

math
Put the following decimals and fractions in order from greastest to least: 0.15, 2/3, 3/5, 0.25, 1 1/8
Tuesday, November 29, 2016 by angel

Math
Carlita saw 5 times as many robins as cardinals while bird watching. She saw a total of 24 birds. How many robins did she see than cardinals?
Tuesday, November 29, 2016 by Valerie

math
A petrol tanker is 2/5 full.When 35000 litres are added,the tanker will be 3/4 full.What is the capacity of the tanker in litres?
Tuesday, November 29, 2016 by Banko

math
Farmer Rex planted 48 rows each having 30 corn trees. a) How many corn trees did he plant? b) 1006 plants grew. What percentage of the plants did not grow?
Tuesday, November 29, 2016 by indira

Math
How do I writ a equation that involves multiplication,contains a variable and has a solution of 5. Can you please help me
Tuesday, November 29, 2016 by Nadia

CHECK! LAST TIME MATH!
A store is having a 20%-off sale. It gives an additional 10% off if the item is still above $100 after the first discount. A jacket costs $149.99. Will you get the second discount and if so, how many dollars will you save in total? yes;$42.00 yes;$14.49*** no yes;$30.00
Tuesday, November 29, 2016 by Agala

math
it is now 2.00 pm and 15 minutes, what fraction of a whole turn did the minute hand make? what size of the angle in degrees made by the minute hand?
Tuesday, November 29, 2016 by luren

math
can i get the working for the question damon you lost me at 3.25*360=?
Tuesday, November 29, 2016 by luren

CHECKA Math!
Find the percent of markup. Round to the nearest tenth. $37.00 to $49.00 24.5% 32.4%**** 27.7% 12.0%
Tuesday, November 29, 2016 by Agala

Math
Tony broke a larger array into 2 x 9 array and a 4 x 9 array. What did the larger array look like? Draw picture. Write a number sentence to show the relationship between the large array and the two smaller arrays.
Tuesday, November 29, 2016 by Cc

Math
Find the asymptote of (3)/(2x^(2)+3)
Tuesday, November 29, 2016 by Grace

Check It, Math
A car dealership pays you 6% commission on your first $5,000 on car sales and 8% commission on the sale amount over $5,000. If you sold a $10,000 car, how much is your commission? $600** $700 $800 $500
Tuesday, November 29, 2016 by Agal

Math
What grouping symbols make this number sentence true 50/10+ 10/2=5
Tuesday, November 29, 2016 by Angelo

Interest Finite Math
IS MY ANSWER CORRECT? If you would like to make $1213 in 8 years, how much would you have to deposit in an account that pays simple interest of 5%? I=1213(.05)(8) I=388.16 Interest Earned is $388.16 1213+388.16=1601.16
Tuesday, November 29, 2016 by Jammy

Math
There are 24 students in mrs. garcia's class .she wants to divide the class evenly into groups of at least 4students .write ways in which she can divide the class
Tuesday, November 29, 2016 by Anonymous

Correcting Math
You and some friends rent a limousine for a formal reception. The bill for the evening is $65.00. A tax of 7% will be added to your total, and you want to tip the chauffeur for his excellent driving. You decide to leave him a tip that is 20% of the bill before tax is added. ...
Tuesday, November 29, 2016 by Agal

math
a bicycle wheel made 3.25 revolutions through how many degrees did it turn
Tuesday, November 29, 2016 by luren

Math
Let (7,-3) be a point on the terminal side of theta. Find the exact values of sin of theta, csc of theta and cot of theta?
Tuesday, November 29, 2016 by Justin

Math
The drama club is planning a field trip. Two-thirds of the drama club will attend, in addition to 8 teachers. There are 48 people going on the field trip. Write an equation you can use to find the number of students in the drama club.
Tuesday, November 29, 2016 by Jainam Gandhi

math
y+4=-2(x+6)
Tuesday, November 29, 2016 by Anonymous

math
3x1/6=3divided by____ =1/2
Tuesday, November 29, 2016 by Damian

Math
A barrel contained 60 gallons of water. Water leaked out of the barrel at a rate of 5 gallons every 3 days. How many days did it take for all 60 gallons of water to leak out of the barrel?
Tuesday, November 29, 2016 by Avery

Math
Ricky is 4 times as old as his sister, who's 5. How old will Ricky be when he's twice as old as her?
Tuesday, November 29, 2016 by Calvin

Math
If I spent $15.85 for three notebooks and 2 boxes of markers the boxes of markers cost 3.95 each and the tax is 1.23 and I have a coupon for 0.75 how much did each notbook cost
Tuesday, November 29, 2016 by Makiyah

Math
1.Pick a number to represent the number of times you would like to have chocolate in a week (more than once, but less than 10 times). 2.Double this amount (just to be bold). 3.Add 5. 4.Multiply the result by 50. 5.If you have already had your birthday this year, add 1766. If ...
Tuesday, November 29, 2016 by Melissa

Math
You have $60.00 in your wallet and want to buy some new CDs. If the CDs are $11.00 each, What number of CDs, x, can you buy? Write and solve an inequality. Then explain you answer. Please help me I have no Idea :/
Tuesday, November 29, 2016 by help me please

math volume
Tommy decided to also make a sampler can with a diameter of 2 inches and a height of 3 inches. Tommy calculated that the area of the base was es002-1.jpg, and multiplied that by the height of 3 inches for a total volume of es002-2.jpg. Explain the error Tommy made when ...
Tuesday, November 29, 2016 by Anonymous

math
150 children have to go on a school tour. They can use minibuses, which carry x pupils each, or cars which carry y pupils each. The mathematics teacher works out that they could just manage with 10 minibuses and 6 cars, or with 5 minibuses and 18 cars. Write down two equations...
Tuesday, November 29, 2016 by Banko

Math
A book of golf balls contains yellow golf balls and white golf balls. You collect the representative sample shown (3 yellow, 2 white). If the bucket contains 50 golf balls about how many golf balls are white ?
Tuesday, November 29, 2016 by Michelle

Math
A class of 12 students has taken an exam, and the mean of their scores is 71. One student takes the exam late, and scores 92. After including the new score, what is the mean score for all 13 exams?
Tuesday, November 29, 2016 by Anonymous

Math
Find the function rule. x: -2|-1|0 |1 | 2 y: 9|4 |-1|-6|-11 I don't have an answer yet. There's no options, I have to provide an answer. I've been studying this for at least half an hour and I have no idea what it could be. Any help? Thanks.
Tuesday, November 29, 2016 by Kenz

Math
A recipe for cookies calls for 7 1/2 cups of flour. If the recipe is for 2 dozen​ cookies, how much flour is needed for 13 dozen​ cookies?
Tuesday, November 29, 2016 by Mikkie

Math
A recipe for cookies calls for 7 and one half 7 1/2 cups of flour. If the recipe is for 22 dozenâ€&ac​irc;€¹ cookies, how much flour is needed for 13 dozenâ€&ac​irc;€¹ cookies?
Tuesday, November 29, 2016 by Mei Qi

Math
A recipe for cookies calls for 7 and one half 7 1 2 cups of flour. If the recipe is for 22 dozen​ cookies, how much flour is needed for 1313 dozen​ cookies?
Tuesday, November 29, 2016 by Mei Qi

SALERY MONEY MATH HELP!
What does it mean to get a 150% salary raise? Explain in words and then give an example showing a calculation.
Tuesday, November 29, 2016 by Agal

SELLING MATH!
Two stores carry a similar stereo for the same original price of $573. One store offers a 16% discount and the second store sells the stereo for $458.40. Which store gives the bigger percent discount? Justify your answer.
Tuesday, November 29, 2016 by Agal

MATH
A rectangular water tank of base 80 cm ✖ 90 cm contains water up to depth of 40 cm. How many litres are there in the tank?
Tuesday, November 29, 2016 by Ishika

Third Grade Math
Baseball teams Manatees won 4 more games than the Herons. They played 9 games in all. What is the fraction amount of games won for the Herons? I don't even know where to begin to solve this. I don't know how to figure out how to find 4 more. I know the fraction will be...
Tuesday, November 29, 2016 by Sheila

Third Grade Math
What fraction would these coins represent? 3 Quarters, 4 nickels, 2 dimes I can write a fraction for each of them. But I don't know how to write a fraction for all of them together. Can someone explain this to me?
Tuesday, November 29, 2016 by Sheila

third grade Math
Julie made 206 cookies. 142 were chocolate chip. write the amount of chocolate chip cookies into a fraction. I am not sure how to solve this. Can anyone help me?
Tuesday, November 29, 2016 by Sheila

math
The area of a square garden is represented by the quadratic expression 9x^2 - 12x + 4. The length of one side of the square garden is 91 inches. What is the value of x ? Hint: Since the garden is in the shape of a square, the expression 9x^2 - 12x + 4 is the product of two ...
Tuesday, November 29, 2016 by Jalen

math
length of a rectangle is twice its breadth. if ratio of the perimeter of the rctangle and 6 times its length is 1:2. find the dimensions of the rectangle
Tuesday, November 29, 2016 by abhilash

Math
A cylinder is inscribed in a cone as shown in the diagram below. The cone has a height of 8cm and a fixed radius of R cm. The cylinder has a radius of x cm and a height of h cm. Show that the volume of the cylinder is maximised when x=kR, where k is a constant to be determined.
Tuesday, November 29, 2016 by Isabel

Math
1. Is the equation true, false, or open? 4y 8 = 6y + 3 2. Which value is a solution of the equation 2 - 8x = -6? 3. Which ordered pair is a solution of the equation y - x - 4? 4. Which ordered pair is a solution of the equation y = 4x? 5. Which ordered pair is the solution of ...
Tuesday, November 29, 2016 by Robin Kwan

Math
Write a story problem using ten $100 bills, nine $10 bills, and twenty $1 bill
Tuesday, November 29, 2016 by Alizea

math
pls help me proffesors! I need solution to this question, please show me the steps involve. The mean of the scores of three students in a class is 9. If the modal score is 11, find the lowest score.
Tuesday, November 29, 2016 by Banko

Math (Calculus) (Related Rates)
A boat pulls away from a dock at 2 m/s, but the operator has neglected to remove the tow rope used to pull the boat up to the dock. This rope runs thru a pulley which is attached to the dock at a point 1 m higher than the point at which the rope is attached to the boat. A) How...
Tuesday, November 29, 2016 by Ray

math
The mean of the scores of three students in a class is 9. If the modal score is 11, find the lowest score.
Monday, November 28, 2016 by somay

math
I need the answers to why did the banana go out with the prune. I already know the answer to the riddle i just need to know the answers to all the problems. Teachers i am a cheater, deal with it there are cheaters and i am one of them. P.S. I would like a link to a pdf for the...
Monday, November 28, 2016 by Hugh Mungus

math
ervin sells vintage cars. every three months, he manages to sell 13 cars. assuming he sells cars at a constant rate, what is the slope of the line that represents this relationship if time in months is along the x-axis and the number of cars sold is along the y-axis?
Monday, November 28, 2016 by Anonymous

MATH
5kg of flour and 4kg of sugar cost $14.80. If 3/4kg of flour costs the same as 3/5kg of sugar, what is the cost of one kg of sugar? PS : How do we get the answer without using the algebra method? Thank you.
Monday, November 28, 2016 by YEOW

Physics, Math, Science
A 56 kg student is standing atop a spring in an elevator that is accelerating upward at 3.5 m/s^2. The spring constant is 2300 N/m. By how much is the spring compressed? I'm not exactly sure how to approach this problem, much less solve it. The acceleration threw me off, ...
Monday, November 28, 2016 by Erik

math
Suppose you want to build a house on the edge of a hill that overlooks a deep valley. what measures could you take to be sure your home will not have problems due to weathering or erosion?
Monday, November 28, 2016 by Anonymous

Math
an at display includes two sound-effects speakers. They need to be positioned on the wall so that when you stand midway between the speakers, you are no closer than 7 feet to either speaker. each speaker should be the same distance from the corner. How far from the corner ...
Monday, November 28, 2016 by Anonymous

Math
I need help now
Monday, November 28, 2016 by please help me

math
The area of a square garden is represented by the quadratic expression 9x2 - 12x + 4. The length of one side of the square garden is 91 inches. What is the value of x ? Hint: Since the garden is in the shape of a square, the expression 9x2 - 12x + 4 is the product of two ...
Monday, November 28, 2016 by Jalen

Math
Solve -i-2-(6-4i)-(5-2i)
Monday, November 28, 2016 by Emma

math
In Heather's class room there are red chairs,yellow chairs, and blue chairs. There are 3 red chairs. There are 4 times as many yellow chairs as red chairs, and there are 3 fewer blue chairs than yellow chairs. How many chairs are there in Heather's classroom?
Monday, November 28, 2016 by Lina

Math
Where do u place the grouping symbols to make this true? 3×5-8+7-3÷6=​13
Monday, November 28, 2016 by Rya

math
12 out of 15 wins,how many of its games the football team has won so far .express this information as a fraction as a percent and as a decimal
Monday, November 28, 2016 by latrisha

Math
Write an equation in slope-intercept form of the line that passed through (-3,4) and (1,4). I think the answer is y=0/4x+4 Thank you
Monday, November 28, 2016 by Anonymous

math
LCM of 81a^2b^2 and 27a^3b^3
Monday, November 28, 2016 by aroo

Math
What is the slope of the line that goes through (6, 5) and (3, 1)? a. 3/4 b. -3/4 c. 4/3 d. -4/3
Monday, November 28, 2016 by J J

Math
A rabbit travel 20 minutes in five minutes. At this speed how far can a rabbit travel in 12 minutes
Monday, November 28, 2016 by Nhi

Math
If you have 3/5 for every 2 cups of flour.How much milk was used per flour
Monday, November 28, 2016 by Rosie

math
David is planning to travel alone by motorcycle from Singapore to China. The total distance to be travelled is 4900 km. In the first week, he can travel 1000 km. a) How many weeks does it take for David to reach his destination, if he reduces the distance travelled by 100 km ...
Monday, November 28, 2016 by Thiago

Math
The average snowfall 2 to 5. If 44 inches fell in January find the predicted total snowfall for the winter
Monday, November 28, 2016 by Maurice

Math
The width is 2/3x+10 and the height is 1/3x+5 and the next question asks if the perimeter was 90 what would x represent?
Monday, November 28, 2016 by Isaac

math
Sebastian rides his bike 2,000 meters in five minutes. How many meters does he bike in 1 minute
Monday, November 28, 2016 by Nicholas

math
he coordinate plane below represents a city. Points A through F are schools in the city. graph of coordinate plane. Point A is at negative 5, 5. Point B is at negative 4, negative 2. Point C is at 2, 1. Point D is at negative 2, 4. Point E is at 2, 4. Point F is at 3, negative...
Monday, November 28, 2016 by Ashley

math
Round the decimal to the nearest hundredths place 1.724
Monday, November 28, 2016 by mae

math
what is 10% of 110?
Monday, November 28, 2016 by Human Being

Math (Calculus) (Related Rates)
A boat pulls away from a dock at 2 m/s, but the operator has neglected to remove the tow rope used to pull the boat up to the dock. This rope runs thru a pulley which is attached to the dock at a point 1 m higher than the point at which the rope is attached to the boat. A) How...
Monday, November 28, 2016 by Ray

Math
I am outside the path. (10,8,3,7) I am the difference of 2 numbers inside the path.(6,2,10,9,5) I am less than 5
Monday, November 28, 2016 by Chase

Math
Water covers approximately 11,800 mi^2 of Florida,which is about 18% of Florida's area.what is the total are if Florida to the nearest. Thousand suare miles?
Monday, November 28, 2016 by Tionna

Math
A homeowner has a 1 foot by 8 foot carpet and a 10 foot by 10 foot carpet. Show how he can cut the 10 foot by 10 foot carpet into two pieces so that he can carpet a 9 foot by 12 foot room.
Monday, November 28, 2016 by Junny

Math Help Please
1. Which set of numbers represents a Pythagorean triple? 6, 9, 12 7, 10, 12 16, 18, 25 27, 36, 45 ** 2. If the lengths of the legs in a right triangle are 7 and 8, what is the approximate length of the hypotenuse? 1.4 3.8 5.4 10.6 ** 3. Which set represents a Pythagorean ...
Monday, November 28, 2016 by Pueblo

Math
An energy saver heater uses 24% less energy than the older heater model. The older heater uses $350 worth of energy per year. A homeowner replaces his older heater with the new, energy saving heater. Each year how much will he save?
Monday, November 28, 2016 by Jenny

Math word problems
Sally has 108 muffins,which he needs to box up, 6 of which are blueberry, into dozens. How many boxes does he need
Monday, November 28, 2016 by Anonymous

Math
How do I write 15 times 3.4 using the distributive property?
Monday, November 28, 2016 by Anonymous

Math Question
Can anyone explain to me how to graph a circle if it has a square root radius? Example: x^2+y^2-7x=12-4y The radius is √113/2, but I don't know how to graph it.
Monday, November 28, 2016 by Seth

Math
From the roof of a building, the angle of elevation of the top of a taller building is 37 degrees. The angle of depression of the base of the building is 28 degrees. The buildings are 21 m a part. Determine the height of the taller building
Monday, November 28, 2016 by Jenna

Math
The bases on a baseball diamond are 27.4m apart. The pitcher pitches,and the batter hits a fly ball straight up 15m. What is the maximum angle of elevation of the ball to the nearest degree, as seen by the pitcher if he is standing at the center of the diamond? HELP
Monday, November 28, 2016 by Katie

Math
14 bottles of water costs $56.How much would you pay for 50 such bottles?
Monday, November 28, 2016 by Brianna

Math
In the problem 7×4-4÷2 what can I put parentheses to make the statement true
Monday, November 28, 2016 by Lil

Math
Whete do you put the parenthesis in problem :50/10+10/2=5
Monday, November 28, 2016 by Vivtoria

math
It takes 8 hours for 5 people to paint a room. How long would it take 4 people?
Monday, November 28, 2016 by Mariam

Math
Input: 100 Output 10 Input: 30 Output 3 Input: 70 Output 7 Input: 40 Output 4 Input: 50 Output 5 What is the equation to show the relationship between the input and the output???? PLEASE HELP
Monday, November 28, 2016 by RITA M

math
Find the least residue of 7^5 mod 50 without using a calculator. so far I have 7=7 mod 50 7^5 = 7^5 mod 50 7^2 = 49 7^3=343 since 7^2=(-1)mod50 and 7^3=(-43)mod50 it follows that 7^6=7^2 * 7^3 = (-1)(-43) = 43 feel like this is wrong though could somebody please explain where ...
Monday, November 28, 2016 by s17

Math
If the inverses of two functions are both functions, will the inverse of the sum or difference of the original functions also be a function? Explain your reasoning.
Monday, November 28, 2016 by Anonymous

math
The surface area covered by a rectangular playground is 100 square yards. The width of the playground is 15 yards longer than its length. Using factors, find the length and the width of the playground.
Monday, November 28, 2016 by William

Math
A survey about the student government program at a school finds the following results. 190 students like the program 135 students think the program is unnecessary 220 students plan on running for student government next year. If a circle graph were made from this data, what ...
Monday, November 28, 2016 by Embershy

Math
Carols stamp collection France 24% England 22% Italy 25% Norway 29% How many more of Carol's stamps are from Norway than from France? A. 5 stamps B. 24 stamps C. 29 stamps D. 53 stamps
Monday, November 28, 2016 by Embershy

Math
The coordinate plane below represents a city. Points A through F are schools in the city. graph of coordinate plane. Point A is at negative 5, 5. Point B is at negative 4, negative 2. Point C is at 2, 1. Point D is at negative 2, 4. Point E is at 2, 4. Point F is at 3, ...
Monday, November 28, 2016 by Bea

math
What is a 15% tip on a meal that costs $38.40
Monday, November 28, 2016 by hannah

Math (please check my answer)
he figure below shows two triangles. Which statement about the triangles is true? i.imgsafe(.)org/c6dcf267d1.jpg The triangles are congruent by: 1. AAS<<< 2. ASA 3. SAS 4. They are not congruent
Monday, November 28, 2016 by Ren

MATH @Damon @ms. Sue
Sam is observing the velocity of a car at different times. After three hours, the velocity of the car is 53 km/h. After six hours, the velocity of the car is 62 km/h. Part A: Write an equation in two variables in the standard form that can be used to describe the velocity of ...
Monday, November 28, 2016 by Bea

math
I have …. 3 ones 15 hundredths 9 tenths What number am I?
Monday, November 28, 2016 by Trisi

Math
Given the data 21, 13, 13, 37, 13, 23, 25, 15: What is the outlier in the data? What is the mean with the outlier? What is the mean without the outlier? 13; 21; 17.6 37; 20; 17.6 37; 17.6; 20 13; 17.6; 21
Monday, November 28, 2016 by Embershy

Math (please check my answer!!)
What other information must be given in order to be able to prove the two triangles congruent by ASA? i.imgsafe(.)org/c64c59dad9.jpg 1. T=S 2. P=S 3. P=R<<< 4. PQ=QR
Monday, November 28, 2016 by Sami

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