Friday
December 9, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
A person has $5 and $10 bills. In total they have 26 bills that equal to $210.
Friday, December 9, 2016 by Jorge

Business Math
Date|Units Purchased|Cost Per Unit January1| 10| 8.00 (Beginning inventory) January18| 50| 9.00 February20| 20| 11.00 March15| 10| 12.00 (Ending inventory: 19) The specific identification method indicates the following units to be on hand: January 1, (2); January 18, (5); ...
Friday, December 9, 2016 by TheRealPrincess

Math
The probability that a person stopping at petrol pump will get his tyres checked is 0.12, the probability that he will get his oil checked is 0.29 and the probability that he will get both checked is 0.07. A) what is the probability that a person stopping at this pump will ...
Friday, December 9, 2016 by Ana

Math
Mr. Jones makes 3% commission on his sales of widgets. At a different company, Mr. Smith makes 5% commission selling the same widgets at the same price. Mr. Smith sold 500 fewer widgets than Mr. Jones, and they both earned the same commission. How many widgets ...
Friday, December 9, 2016 by Sarah

Math
the mean of x and y is 12 and the mean of y and 12 is z/2. what is the mean of x and z?
Friday, December 9, 2016 by Alyssa

Quadratic Relations, Algebra, Math
URGENT!! PLEASE HELP In a volleyball match. Jenny serves the volleyball at 14m/s, from a height of 2.5m above the court. The height o the ball in flight can be estimated using the equation h=-4.9t^2+14t+2.5, where h is the height, in meters, and t is the time, in seconds, ...
Thursday, December 8, 2016 by Rose

math
what is 1.9 times 10 to the third power?
Thursday, December 8, 2016 by Sue

MATH MS. SUE
1. The length of a piece of paper is 8.5 inches. Using scissors, you reduce the length of the paper to 4.25 inches. What is the scale factor of the dilation? A. 1/4 B. 1/2 C. 2 D. 4 2. On a given blueprint, 1 inch = 30 feet. If the dimensions of a meeting room on the blueprint...
Thursday, December 8, 2016 by Steve

MATH
1. The sides of a square are increased by a scale factor of 6. The perimeter of the smaller square is 10 ft. What is the perimeter of the larger square? A.10 ft B. 40 ft C. 60 ft D. 120 ft 2. A right triangle has an area of 13 m^2. The dimensions of the triangle are increased ...
Thursday, December 8, 2016 by Steve

MATH MS. SUE
1. On a recent day, one U.S. dollar was worth 1.09 euros. If you were to exchange 157 euros on that day, how many U.S. dollars would you have received? A. $110.09 B. $144.04 C. $155.91 D. $171.13
Thursday, December 8, 2016 by Steve

Math
State the domain (2t-6)/(t^2+6t+9)
Thursday, December 8, 2016 by Pam

MATH MS. SUE
1. Sarah’s mother has a miniature village modeled after her home town. The model is 10 feet long and 7 feet wide. The actual village is 7 miles long. What is the village’s actual width? If necessary, round to the nearest tenth of a mile. A. 4.9 miles B. 10 miles C. 1...
Thursday, December 8, 2016 by Steve

Physics
A space station, in the form of a wheel 197 m in diameter, rotates to provide an “artificial gravity” of 2.5 m/s2 for persons who walk around on the inner wall of the outer rim. The rate of the wheel’s rotation in revolutions per minute that will produce this ...
Thursday, December 8, 2016 by William

Math
Is a sequence a function? Justify your answer. If it is, How is it different from functions written as f(x)=....
Thursday, December 8, 2016 by Switzer

Math
Find each function value. h(x) = x^2 - 8x + 1 h(-1) plug in My answer is 8. The correct answer is 10 ? I don't how the answer is 10
Thursday, December 8, 2016 by Aria

math
My problem is finding the greatest number of rectangular space that can be cut from 36L×60W
Thursday, December 8, 2016 by carlos

Math
Still need help with this one: Find the work done in pumping the water over the rim of a tank that is 40 feet long and has a semicircular end of radius 10 feet if the tank is filled to a depth of 4 feet. I've set up an integral that is: 62.4 ? [-10,-4] 80 sqrt(100-y^2)(-y)...
Thursday, December 8, 2016 by Anonymous

Math
The approximate distance of the moon from Earth is 4 x 105 km and the average approximate distance from the Earth to Venus is 4 x 107 km. How much farther is Venus from Earth than the moon?
Thursday, December 8, 2016 by Lucy

math
If i have a rectangular of 36 inches long and 60 inches wide how do i find the greatest number
Thursday, December 8, 2016 by carlos

Math
Conner is 8 years older than Brianna the sum of their ages is 32 how old are Conner and Brianna
Thursday, December 8, 2016 by Kysha

math
The drama club sold $779 worth of tickets to the school play. Student tickets cost $3 apiece and tickets for everyone else cost $5 each. What equation relates the number of student tickets that were sold, s, and the number of other tickets that were sold, t, written in ...
Thursday, December 8, 2016 by larry

Math
8×5+8×1-2×6+6-2 add parentheses to get 22
Thursday, December 8, 2016 by Jamie

Math
If 2 gulps = 5 slurps, and 2 slurps = 7 sips, then 122.5 sips is equal to how many gulps?
Thursday, December 8, 2016 by Lina (PLEASE ANSWER IN THE NEXT 2 HOURS TO TEST IQ

Math
If 2 gulps = 5 slurps, and 2 slurps = 7 sips, then 35 sips is equal to how many gulps?
Thursday, December 8, 2016 by Lina

Math
Find the work done in pumping the water over the rim of a tank that is 40 feet long and has a semicircular end of radius 10 feet if the tank is filled to a depth of 4 feet
Thursday, December 8, 2016 by Anonymous

math
625 feet and decends at a rate of 300 feet per minute. 400 feet and decends at a rate of 150 feet per minute.after how many minutes will the plane be at the same altitude
Thursday, December 8, 2016 by jasai

Math - Calculus
Find the area of the surface of revolution generated by revolving the curve y = 3 sqrt (x), 0 <= x <= 4, about the x-axis. Okay, so I've set up the integral like this: 2pi ?[0,4] (3 sqrt (x))(sqrt(1+(1/4x)))dx Which is coming out to 108.5, but that's not giving ...
Thursday, December 8, 2016 by Anon

Math
Construct a polynomial g(x) with integer coefficents and roots 1, 2/3, and 4i
Thursday, December 8, 2016 by Joey

Math
Jill's fish weighs 8 times as much as her parakeet. Together the pets weigh 63 ounces. How much does the fish weigh?
Thursday, December 8, 2016 by Brandon

Math
Graph the Equation x=-2 What of I do after this step 0x+1y=-2 1x+0y=-2 I am really confused
Thursday, December 8, 2016 by Standard

Math
The grocery store sells kumquats for $4.75 a pound and Asian pears for $2.25 a pound. Write an equation in standard form for the weights of kumquats k and Asian pears p that a customer could buy with $22. 4.75k+2.25p=22***** 4.75=2.25p+22 4.75+2.25=k 4.75p+2.25k=22 Help please
Thursday, December 8, 2016 by Standard

Math
What is the definition for composite
Thursday, December 8, 2016 by Brianna

Math
How many inches represent 1 mile. Help 3/10 in = 7/8 mile
Thursday, December 8, 2016 by Eric

Math (optimization) really confused
A rectangular fenced enclosure of area 225 square feet is divided half into 2 smaller rectangles. What is the minimum total material needed to build such an enclosure?
Thursday, December 8, 2016 by Ray

Math
I have to find the Unit Price of 64 fl oz = $2.00 I have concluded that 2 / 64 is the answer but I think there is an easier way to show it please help
Thursday, December 8, 2016 by Eric

Math
The population of a city increases by 4,00 people each year. In 2025, the population is projected to be 450,000 people. What is an equation that gives the city population p (in thousands of people) x years after 2010? A)p=4x+50 B)p-450=4(x-15) C)p-15=4(x-450) D) p=4x+15...
Thursday, December 8, 2016 by MATH help please

Math <:•
Trenton has to two hats and six T-shirt his hats are blue and red T-shirts are white green black yellow purple and orange how many ways can he wear the hats and shirts together
Thursday, December 8, 2016 by Sydney

MATH
Plan A no initial fee and $75 per month Plan b $50 per Month for the first 12 months and 125 per month for each additional month after that, what is the equation?
Thursday, December 8, 2016 by QUEEN

Math
I need help
Thursday, December 8, 2016 by Jenny

Math ratios
which is equivalent to 4/16 A. 2:4 B. 10:9 C. 10/24 D. 12 to 64
Thursday, December 8, 2016 by Lucy

Math Probability Distribution
A probability distribution has a mean of 57 and a standard deviation of 1.4. Use Chebychev’s inequality to find the value of c that guarantees the probability is at least 96% that an outcome of the experiment lies between 57 - c and 57 - c. (Round the answer to nearest ...
Thursday, December 8, 2016 by Bobbie

Math
Robert wants to build a square sandbox that has the area or 25 feet.How long will each side be?
Thursday, December 8, 2016 by Dayami

Math
New Hampshire is giving payday lenders the gong as it rings in the new year. A law that takes effect today caps the interest rate on small loans at 36 percent a year, which the industry has said will put it out of business. 1.6. EXERCISES 15 Payday lenders typically charge $20...
Thursday, December 8, 2016 by Jackie

Math (related rates) help?
A 13ft ladder slides down a wall at 2ft/sec when it is 12 ft above the ground. Find the rate at which the angle it makes with the ground changes at this moment?
Thursday, December 8, 2016 by Ray

Math
9. 100^12/100^8 A. 100^12/8*** B. 100^96 C. 100^4 D. 100^20 10. x^11/ X^4 A. x^7 B. X^15 C. X^44 D. x^ 11/4***
Thursday, December 8, 2016 by Embershy

math
The number of employees at a plant continually fluctuates. One month started at 568. Then 102 employees were hired, and the next 57 employees were displaced. If the plant then plans to add 10% more employees, how many will it have?
Thursday, December 8, 2016 by Anonymous

math
Describe the Number of solutions for the equation. -2(x-1)=2x-2 (1 point) A. Infinite solution. B. One solution. C. No solution.
Thursday, December 8, 2016 by mehhhhhh202

Math
9. 100^12/100^8 A. 100^12/8*** B. 100^96 C. 100^4 D. 100^20 10. x^11/ X^4 A. x^7 B. X^15 C. X^44 D. x^ 11/4***
Thursday, December 8, 2016 by Embershy

math
The ratio of buses to cars entering the lot was 2 to 11. If 650 vehicles entered the lot all together, how many were cars?
Thursday, December 8, 2016 by Catrina

math
Randy finished the race in 28 minutes and 11.00 seconds. Julie finished 0.08 seconds faster than randy. Pat finished 0.1 seconds faster than Julie. How long did it take Pat to finish the race?
Thursday, December 8, 2016 by susan

Math
A carnival ferris wheel that has a diameter of 18m, goes 4 seconds every revolution, there are 5 revolutions, also the ferris wheel is 2m above the ground Cosine and Sine equation needed
Thursday, December 8, 2016 by worm

MATH
If vector a + vector b + vector c = 0.and magnitude of a = 3,magitude of b = 5 and magnitude of c = 7.Find the angle between a and b?please anyone to help me i have exam tomorrow
Thursday, December 8, 2016 by kelvin

math
in how many ways does 3 peoples seated in 6 benches ?
Thursday, December 8, 2016 by ayush

math
Problem Page First, rewrite 3/10 and 7/25 so that they have a common denominator.
Thursday, December 8, 2016 by Jabari

Math
A small sailboat traveling at the rate of 21 km/h crossed a sea in 30 minutes.How far across is the sea?
Thursday, December 8, 2016 by Nash

math
Chris puts one tenth of each paycheck into savings. Her current paycheck is $200. She decides to also put into savings, any amount she earns over $200. The expression below represents the percent of her paycheck that Chris saves when she makes x dollars more than her current ...
Thursday, December 8, 2016 by Anonymous

math
a person runs 3 meters per sec for 1 min. how far did they go? would it be 3m/s x 1 = 3? is it correct?
Thursday, December 8, 2016 by ash

Math
Luisa bought 2 1/2 pounds of apples, 3 3/8 pounds of oranges, and 1 1/4 pounds of pears. How many pounds of fruit did she buy in all?
Wednesday, December 7, 2016 by DBZ

Math
Luisa bought 2 1/2 pounds of apples, 3 3/8 pounds of oranges, anf 1 1/4 pounds of pears. How many pounds of fruit did she buy in all?
Wednesday, December 7, 2016 by DBZ

Math
Gugun can type 54 words in a minute. How many words will he type in 5 hours 38 minutes.
Wednesday, December 7, 2016 by Gugun

Math
The grade 5 class sold cheese for a fundraiser. What fraction of the orders did each of the four students take
Wednesday, December 7, 2016 by Fred

Math
What's the common factors of 10ab and 15a
Wednesday, December 7, 2016 by Tasha

Math Help Please!!
Using a scale factor of 1 inch= 5 feet, what are the blueprint dimensions that is 12 x 18 feet? A. 2.2 x 3.3 B. 2.4 x 3.6 C. 2.8 x 4.2 D. 2.9 x 5.0 Thank you!
Wednesday, December 7, 2016 by Izzy

Math
Factorise:x^4+4
Wednesday, December 7, 2016 by Brajesh

math
How do you solve to find the length and width of a rectangle with an area of 84 square feet?
Wednesday, December 7, 2016 by Patience

Math
Perimeter of a rectangle is 44 cm and the length is 7 more than twice the width. Find the length and the width.
Wednesday, December 7, 2016 by Aye Wah

Math
Shelly wants to plant 6 rows of flowers with 7 flowers in each row. What addition equation and what multiplication equation can she write to find how many flowers she needs to plant? Which equation do your find easier to use ? Why ?
Wednesday, December 7, 2016 by Hamsa

Math
One picked 21/2 times as many apples as a second man. A third man picked half as many as the second man. Together they picked a total of 240 apples. How many apples were picked by each man.
Wednesday, December 7, 2016 by Rita

Math
, Two digit whole number between 30 and 80 my tens digit is one more than my ones digit I am a prime number what am I
Wednesday, December 7, 2016 by Paul

Math
1. A car travels at 80 miles per hour. How long does it take the car to travel 20 miles? 4 minutes 2. The captain of a ship raises a sail weighing 30N. If he raised it 22 meters how much work was done? 660 J
Wednesday, December 7, 2016 by Hayden

Math
4 1/3 cans of water must be added to a can of lemonade concentrate to make 64 ounces of lemonade how many cans of water are needed to make 96 ounces of lemonade?
Wednesday, December 7, 2016 by Leslie

Math
How to put these from least to greatest -13,0,-7,7,1 and 25,-2.1,1,-2.2,0
Wednesday, December 7, 2016 by Tonya

Math
Find the the sum of the second multiple of 7 the fifth multiple of 100 and the ninth multiple of 10
Wednesday, December 7, 2016 by Jenny

Math
Dollars Earned = y Dollars Saved = x Equation : y=4x+100 My problem : For each increase of $200 in earnings, what is the increase in savings? PLEASE ANSWER FAST I HAVE 10MINS
Wednesday, December 7, 2016 by Minny

Math
Write an equation for the line that is parallel to the given line and passes through the given point. y=3x+4;(6,8) A. y=3x-10 B. y=3x+6 C. y=-3x+6 D. y=-1/3x-6 Tell whether the lines for each pair of equations are parallel, perpendicular, or neither. y=-3x+7 -2x+6y=3 A. ...
Wednesday, December 7, 2016 by Anonymous

Math
Write an algebric expression to represent the phrase "subtract t from 9."
Wednesday, December 7, 2016 by Marquel

Math
Gina works at a diner. She earns $6 each hour plus tips.In one week,she worked 37 hours a week and earned $43 in tips.How much did she make altogether? Write an equation. Use a variable for the unknown.Solve.
Wednesday, December 7, 2016 by Mikaela

math
Find an equation of the line having the given slope and containing the given point. m equals negative 7?, ?(5 ?,9?)
Wednesday, December 7, 2016 by Jamie

Math
If two pounds of meat will serve 5 people, how many pounds will be needed to serve 13 people?
Wednesday, December 7, 2016 by Sarah

math
The daily electricity bill of a car manufacturing company can be modeled by the function C(x) = 800 – 10x + 0.25x^2, where C is the daily electricity bill, and x is the number of cars made each day. How many cars should the company make to pay the lowest amount for ...
Wednesday, December 7, 2016 by Jalen

Math
What is the constant rate of change
Wednesday, December 7, 2016 by Anonymous

math algebra
At a college, records show that the average persons grade point average, G, is a function of the number of hours he or she studies and does homework per week h. The grade point average can be estimated by the equation : G=0.01h^2 +0.2h+1.2 To obtain a 3.2 GPA how many hours ...
Wednesday, December 7, 2016 by tom

Math
How do you find the constant rate of change?
Wednesday, December 7, 2016 by Sarah

math
The height above water level of a curved arch for a bridge can be modeled by h(x) = -0.009x^2 + 1.08x ? 0.4, where x is the distancein feet from the point where the left leg of the arch is planted in the ground. A boat traveling under the arch is 26.5 feet tall. What is the ...
Wednesday, December 7, 2016 by Jalen

math
what is the strategy of 12 were bought by Logan 1/3 was choc.chip 1/3 was sugar 1/3 was peanut butter how many of each kind of cookie did logan buy
Wednesday, December 7, 2016 by Ryan

math
Your office manager used 45 paperclips for handouts at his presentation from the 450 paperclips available in the stock room. What percentage of the original number of paperclips did NOT get used?
Wednesday, December 7, 2016 by Anonymous

math
Alex Hurry Guys what strategy was used
Wednesday, December 7, 2016 by Ryan

math, please help
home work help al's garden is 18 feet long and 30 feet wide , he wants to put fence posts the same distance apart along all sides of the garden , what is the greatest distance apart he can place the fence posts
Wednesday, December 7, 2016 by jordan

MATH
Logan bought 12 cookies 1/3 was choc chip 1/3 was sugar and 1/3 was peanut butter How many of each kind of cookie did Logan buy
Wednesday, December 7, 2016 by Ryan

MATH, please help
So this is a "Challenge" (we don't have to do it but my mum is making me) we haven't learned it, it's only if you want to do anything harder or more difficult. 1.explain why the ratios 6/9 and 8/12 are in proportion
Wednesday, December 7, 2016 by Jenn

Math
A new law requires that 12% of an individual's income be invested in the stock market. Your accounts show that you need to put $420 in the stock market this year. How much did you earn this year. A $5,040 B $350 C $504** D $3,500
Wednesday, December 7, 2016 by Help, in a rush, need to pass.

MATH help ASAP
explain why the ratios 6/9 and 8/12 are in proportion. i don't understand what the question is asking?
Wednesday, December 7, 2016 by Jenn

Math
For 5 and 6 add or subtract 5. (m^2-m+3) + (m-1) A. m^2-m-2 B. m^2+2*** C. m^2-2 D. m^2+m+2 6. (5x^2+x-3) - (-2x^3+4) A. -2x^3+5x^2+x-7 B. -2x^3+5x^2+x+1 C. 2x^3+5x^2+x+7*** D. 2x^3+5x^2+x+1
Wednesday, December 7, 2016 by Embershy

Math
5 x 5 grid with 6 shaded cells, I need a ratio and a percent. A. 6/25, 30% B. 3/50, 6% C. 6/25, 24% D. 3/10, 30% Help ASAP?
Wednesday, December 7, 2016 by Help, in a rush, need to pass.

Math
Can someone walk me through this? For the equation Ax + By = C (where A, B, C are real numbers) what is the slope (in terms of the traditional y = mx+ b) and state any restrictions. Please!
Wednesday, December 7, 2016 by Madyson

Math
All of the following statement are true about factors EXCEPT: Complexity, Miniaturization, and productivity are examples of adjustment factors. A cost factor is a cost estimating relationship, where the dependent variable is not directly proportional to the independent ...
Wednesday, December 7, 2016 by David

Math
Mr.angulo buys 5/8 pounds of red grapes and 3/8 pounds of green grapes how many pounds of grapes did Mr. Angelo buy in all
Wednesday, December 7, 2016 by Kie'Myrah

Math Estimating Sides of a Triangle
Use the diagram below to answer the question that follows. I couldn't copy the diagram into this. It basically shows a Triangle ACD with CD=100ft. Then another line intersects above angle A and reads BE= 30ft. AB=50ft. and BC=? That is the part it wants you to solve. The ...
Wednesday, December 7, 2016 by Sheila

math
Twenty-five is equal to one more than eight times a number. What is the number?
Wednesday, December 7, 2016 by elisa

Math
4. What are the coefficients in the polynomial 7x^2 - 4x + 6? A. -7, 4 B. 7, 4, -6 C. 7, -4, 6 D. 7, -4 ***
Wednesday, December 7, 2016 by Embershy

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