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January 21, 2017

Homework Help: Math

Branches of Math

Recent Math Questions

Math
Write and solve an equation to find how much water Montana average 3 month temperature is then minnesota
Sunday, December 11, 2016 by Stella

math
A video store charges $3.50 to rent a DVD. Every fourth DVD that a customer rents is free. Brooke paid a total of $252 last year for renting DVDs. How many free DVDs did she receive?
Sunday, December 11, 2016 by britt

Math
a scarf is originally priced at $30.00. it is then discounted by 25%. several days later, it is discounted 10% off the new price. is the cost of the scarf the same as if the store had taken 35% off the original $30?
Sunday, December 11, 2016 by Paris

math
Paul works for three hours. Sally works 2 1/2 times as long as Paul. Raul works 3/4 hours less than Paul. Tim works 1 1/3 times as long and Raoul. How long does each person work? How long do they work together?
Sunday, December 11, 2016 by Kristin

math
Discuss 5 application areas of assignment Methods of Linear programming.
Sunday, December 11, 2016 by Ras

Math
If Mrs. Jacobsen wants to buy the item with the unit price , what item should she order and how many of that item should she order?
Sunday, December 11, 2016 by Jo

math(Quantitative methods) pls help me out
Discuss 5 application areas of assignment Methods of Linear programming.
Sunday, December 11, 2016 by farahan

Math! Help!
Domain of X^2-1 ??
Sunday, December 11, 2016 by Christine (Help!)

Math! Help!
Please i need the euclidean division of: 2X^3+3X^2-X-5 ÷ X^2-1 Help!
Sunday, December 11, 2016 by Christine (Help!)

Math
If there are 860 apples 20% is red and 15% is yellow what percent is green
Sunday, December 11, 2016 by Emma

Math
Someone please help me, I do not understand how to solve this problem: Let x be a random variable representing dividend yield of bank stocks. We may assume that x has a normal distribution with σ = 2.0%. A random sample of 10 bank stocks gave the following yields (...
Sunday, December 11, 2016 by Riana

math
The shape of a milk carton is a solid composed of a rectangular prism and a pyramid as shown. What is the formula for finding the volume of the milk carton?
Sunday, December 11, 2016 by john

math
Clay Thompson scored 38 points in one game. He made both 2pt shots and 3 pt. Shots. He scored a total of 16 times. How many 2 pt shots did he make and how many 3 pt shots did he make?
Sunday, December 11, 2016 by Anonymous

math check my answer please
What is the smallest perfect cube that has a factor of 4725? Factors of 4725 are 3,3,3,5,5,7 I have 3^3 and 5^2 and 7. So I need 1 more 5 and 2 more of 7 So: 3^3*5^3*7^3 = 1157625 When I cube root 1157625 it is 105. So is this the answer? The smallest perfect cube that has a ...
Sunday, December 11, 2016 by samantha

Math
6-3r-3
Sunday, December 11, 2016 by Smith

Math check - Statistics
Can someone (preferably one of the long-term tutors) check my answers: Researchers trap 23 devils, and find that 18 of them are infected. Provide an estimate of disease prevalence. p-hat = (18/23)=0.783 Part II: assuming the same disease prevalence from above. If they trap 2 ...
Sunday, December 11, 2016 by Jeremy

math
how many feet in 96 inches
Sunday, December 11, 2016 by perry

Math equation
I've won 556 games and tied 4 games and lost 228 games what is my percentage of wins
Sunday, December 11, 2016 by Anonymous

Math
1.Suppose we are given logic statements p, q, and r. a. If p → q and p → r, may we conclude that q → r? Answer yes or no and give a reason why. b. What is the converse of the following: not p → not q c. ...
Sunday, December 11, 2016 by Melissa

Math
1.a. 123five + 34five b. 1010two - 101two c. 23five * 34five c. What is the contrapositive of r â†â​€™ q? d. The statements p â†â​€™ q and q ââ€&...
Sunday, December 11, 2016 by Melissa

math
3/5 are girls,200 is no.of boys what is total no. of students
Sunday, December 11, 2016 by Anonymous

Math
How many gallons of water should be added to raise water level 1 inch in a 12 by 24 foot pool?
Sunday, December 11, 2016 by Kathy

Math
Express in meters and centimeters 2.52cm
Sunday, December 11, 2016 by Anonymous

Math
What is the definition for composite
Sunday, December 11, 2016 by Brianna

Math
if perimeter =20cm,length=6cm then what is its breath
Sunday, December 11, 2016 by Bhavya

math
A rectangular prism has a volume of 162 cubic centimeters. If the length, width, and height are reduced to 1/3 of their original size what will the new volume be?
Sunday, December 11, 2016 by john

math
A rectangular prism has a volume of 162 cubic centimeters. If the length, width, and height are reduced to 1/3 of their original size what will the new volume be
Sunday, December 11, 2016 by john

math
A lighthouse flashes its light every 12 minutes.Another lighthouse flashes every 18 mins. If the two lighhouses flash together at 12:00 noon,at what time will they next flash together?
Sunday, December 11, 2016 by chel

math
Drawing 5 cards out of 13 cards numbered 1 to 13 without replacement, what is the probability of having a sum greater than 40 ?
Sunday, December 11, 2016 by sara

MATH
Graph is a complete graph -it called K6- IT HAS 6 VETICES. also, every vertex is connected to every other vertex. a) how many possible Hamilton circuits ( say starting from A) including reversals, does the graph have? b) if we were to use the Brute Force algorithm to solve the...
Sunday, December 11, 2016 by IM

Math
Explain the euler's formula.
Sunday, December 11, 2016 by Brajesh

Math
A body is falling downwards 48 meters in 4 seconds.calculate,what distance would it fall in 9 seconds. Given that when a body falls,distances varies directly as the square of time.
Sunday, December 11, 2016 by Brajesh

Math
A taxi charges $6+$0.20 every 1/8 of a mile.How many miles can you go on $14.00.
Saturday, December 10, 2016 by Rhaiyne

math
F(x,y) represents a velocity field of a fluid over a surface z=6-3x-2y.If the magnitude of the velocity in the direction of the unit normal vector,n on S is 3z/(surds14), compute the flux of F(x,y) over the surface S in the first octant oriented upward using the projection of ...
Saturday, December 10, 2016 by Adam

Math (calculus) (mean values)
A company introduces a new product for which the number of units sold Ss given by the equation below, where t is the time in months. s(t) = 155(7-(9/(2+t))) a) Find he average rate of change of s(t) during the first year. I got the answer to be 1395/28 b) During what month of ...
Saturday, December 10, 2016 by Ray

Math Help
Explain what is meant by an experiment. Give an example. For the example you have chosen, describe (a) a sample point, (b) the sample space, and (c) an event of the experiment.
Saturday, December 10, 2016 by Bobbie

Functions - math
The function f is such that f(x) = 2x + 3 for x ≥ 0. The function g is such that g(x)= ax^2 + b for x ≤ q, where a, b and q are constants. The function fg is such that fg(x)= 6x^2 − 21 for x â‰&...
Saturday, December 10, 2016 by Desperately seeking help

Check Answer!! math
A test was given to a group of students. The grades and gender are summarized below A B C Total Male 7 14 11 32 Female 15 13 16 44 Total 22 27 27 76 If one student is chosen at random from those who took the test, Find the probability that the student was male GIVEN they got a...
Saturday, December 10, 2016 by Anonymous

math
F(x,y) represents a velocity field of a fluid over a surface z=6-3x-2y.If the magnitude of the velocity in the direction of the unit normal vector,n on S is 3z/(surds14), compute the flux of F(x,y) over the surface S in the first octant oriented upward using the projection of ...
Saturday, December 10, 2016 by Adam

Math
Let A and B be sets. Below are listed several statements involving set notation. For each case, write a statement in words that says what is written in symbols. a. A U B b. A ∩ B c. A ⊆ B d. a ∈ A e. A ∩ B...
Saturday, December 10, 2016 by Melissa

Math (Polynomials)
What are the coefficients in the polynomial 4x^2+3x-3? A. 4,-3, -3 B. 4, 3 C. 4, 3, 3 D. -4, 3 I'm not sure how to do this can someone explain?
Saturday, December 10, 2016 by Embershy

Math
1. For a particular year, a company has gross annual income of $780,000, annual expenses of $270,000, and allowed depreciation of $60,000. The company is located in a state where the first $200,000 corporate income is tax-free, and any income above that is taxed at a State ...
Saturday, December 10, 2016 by Anonymous

math
-The following data give the 2010 gross domestic product (in billions of dollars) for all 50 states. (Source: Bureau of Economic Analysis). 173 49 254 103 1901 258 237 62 748 403 67 55 625 276 143 127 163 219 52 295 379 384 270 97 244 36 90 126 60 487 80 1160 425 35 478 148 ...
Saturday, December 10, 2016 by emam

MATH
the line 'l' has gradient 3 and cuts the x-axis at 4 then its equation?
Saturday, December 10, 2016 by Ana

math
equation of a straight line perpendicular to x-axis passing through the point (3,-1)
Saturday, December 10, 2016 by anon

Math
My sister is 8 years older than I am. The sum of our ages is 26. Find our ages
Saturday, December 10, 2016 by Maria

math
What is the area of an equilateral triangle having height of 12 decimeter
Saturday, December 10, 2016 by Rabi

Math
If the demand function of the monopolist is {p=200-0.5x} and its cost function is {C=100+5x+7x^2}. Value of 'x' , price and the amount of profit for which profit maximizes are:
Saturday, December 10, 2016 by Ana

Business Math ( Future ordinary Annuities)
Howard has deposited RM1000 at the end of each month into a retirement savings plan for the last 10 years in his working life. His deposits earned an interest rate of 2.5% per month for the first 4 years and 3% per month for the rest of the years. What is the accumulated value...
Saturday, December 10, 2016 by Tracy

math
The perimeter of two square are 428cm 396cm. Find the area of a square.
Saturday, December 10, 2016 by mathematics

Math
Find the compound interest on rs 64,000 for 1 year at the rate of 10% per anum compounded quarterly. Could you please do it fast I need to give it tomorrow.
Saturday, December 10, 2016 by Sana

Math
Does there exist a fraction(s) m/n for which it is true that m/n= (m+b)/(n+b) ? If so, for which fraction(s). If not, explain why. Remember, if you say that such a fraction does exist, simply offering one example will not suffice as a full justification.
Saturday, December 10, 2016 by Melissa Bell

Math
Hot air balloons If the hot air balloon shown is in the shape of a spehere, what is it's radius? Hint: v=15,000 cubic feet.
Saturday, December 10, 2016 by Milana

math
two concentric circle with the ratio of radii as 2:3, what is the ratio of the area? thanks
Saturday, December 10, 2016 by jose

Math.
two concentric circle with the ratio of radii as 2:3, what is the ratio of the circumferences
Saturday, December 10, 2016 by jose

Math
1/4,3/4,1/6,7/10 Give the answer fractions in ascending order
Friday, December 9, 2016 by Rajiv

Math
What is the 5th of 9 consecutive whole numbers whose sum is 153 is what?
Friday, December 9, 2016 by Lilly

Math
A 25ft ladder leans up against the side of a house, with the base of the ladder a distance 3ft from the wall. If the ladder is moved out by 5ft, how far down the wall will the top of the ladder move?
Friday, December 9, 2016 by Jeremu

math check my answer please
Simplify 3√125a^1b^3 (By the way,in 3√, 3 is the index) 3√125a^1b^3 3√125 * 3√a^1 * 3√b^3 5 * 3√a^1 * 3√b^3 I'm stuck what to do ...
Friday, December 9, 2016 by samantha

math help
Simplify √48ab^2 I'm not sure how to do this. Please help me and explain how you got the answer. Thank you so much. After I understand, I want to try the rest questions I was assigned and if you can, please let me know if it's right or wrong.
Friday, December 9, 2016 by samantha

Math
A ribbon 63 meters long must be cut into pieces that are each 2 1/4 meters long how many pieces of ribbon will there be after it cut ? I think you do 63 divide 2 1/4 and you get 28 pieces I just want to know if that's right
Friday, December 9, 2016 by Jenny

math
The sum of 3 times some number and 18 is 33. What is the number?
Friday, December 9, 2016 by suzy

math
Ilya and Dan shared 360 hats in the ratio 7:5. How many more hats did Ilya have than Dan?
Friday, December 9, 2016 by asdf

Math
x = e, 5, 7, 10, 12 y = 10, 13, 19, f, 34 a. f = 28; e = 4 b. e = 28; f = 4 c. f = 30; e = 2 d. e = 30; 5 = 2
Friday, December 9, 2016 by Bob

Math
Determine wheter the graphs of the given equations are parallel, perpendicular, or neither y=4x-2 -x+4y=0 neither
Friday, December 9, 2016 by Help

Math
Determine wheter the graphs of the given equations are parallel, perpendicular, or neither y=-2x+3 2x+y=7 Parallel
Friday, December 9, 2016 by Help

Math
Determine wheter the graphs of the given equations are parallel, perpendicular, or neither y=x+11 y=-x+2 Neither
Friday, December 9, 2016 by Help

Math
Who wrote the plege of Allegiances? Need help please!
Friday, December 9, 2016 by Kb@yo service

Math
Evaluate 3a^2-2ab+10 A=-2 B=3
Friday, December 9, 2016 by Nicole

Math
1_4x_3=2_5
Friday, December 9, 2016 by Mike

math 1025
find the interest. round to the nearest cent $290 at 8.8% for 3 months
Friday, December 9, 2016 by crystal

math lit
complete the ordered pair for the equation (__, 15)
Friday, December 9, 2016 by T

Math
On Monday the temp was 50 degrees. On Tuesday the temp increased by 22% what was the temp on Tuesday? Please help!
Friday, December 9, 2016 by ME

math
The width of a rectangle is equal to m cm, but its length is five times greater than the width. Find the area of the rectangle. is the answer m*5m=6m
Friday, December 9, 2016 by allie

math
1/225b^{(3m+10)} can you guys simplify this ^_^
Friday, December 9, 2016 by allie

Math
what times 35 to make 50
Friday, December 9, 2016 by James

math
(0.08b^{4m+8})\div (18b^{m−2}) this broil confuses me, can u guys plz show how its solved but not give me the answer
Friday, December 9, 2016 by Anonymous

math
Vanessa deposited money into a bank account that earned 1.25% simple interest each year. After 1212 year, she had earned $5.00 in interest on the account. If no other money was deposited into or withdrawn from the account, how much was her initial deposit?
Friday, December 9, 2016 by ????

Math
Kesha get paid $8 an hr. I worked 2 1/2 + 1 1/2 + 2 1/2 + 2 1/2 + 2 1/2 + 2 = how much did kesha earned
Friday, December 9, 2016 by Kesha

math
Emily has a coupon for 20% off her purchase. She finds a backpack on the discount rack. It's original price is $60 but is 30% off. Emily thinks 30% and 20 % make 50% so the backpack will be $30. Is Emily correct? Explain your answer.
Friday, December 9, 2016 by john r

Math
Evaluate –7(y – 6) for y = 8
Friday, December 9, 2016 by HELP!

Math
Evaluate a – b for a = 4.98 and b = 2.3.
Friday, December 9, 2016 by Pokemon

math help
what is he difference between < and >
Friday, December 9, 2016 by lilac

Math solving for x
In the expression 4x squared + 7 what is the degree of 4x squared? How do I solve for X?
Friday, December 9, 2016 by Sheila

Math Word Problem
Riding on a school bus are 20 students in ninth grade, 10 students in tenth grade, 9 students in eleventh grade, and 7 students in twelfth grade. Approximately what percent of students on the bus are in ninth grade? How do I go about solving this?
Friday, December 9, 2016 by Sheila

Math Word Problem
To make fruit punch, Edie mixes two kinds of juices in the following ratio: 1 cup of blueberry to 3 cups of red raspberry. How many cups of red raspberry will Eddie need to make 48 cups of fruit punch? How do you solve this? I was trying to divide 48 by 3 my answer is 16 but ...
Friday, December 9, 2016 by Sheila

math
The internal angles of a triangle in the ratio 3:5:7. Find the degree measures of the angles. Also find measure of its greatest exterior angle.Give complete calculation.
Friday, December 9, 2016 by Adil

Math
What are some tricks of multiplication
Friday, December 9, 2016 by Jhelum

math
There are ten children standing in the line, not all of whom have the same number of cakes with them. If the first child distributes his cakes to the remaining six children such that he doubles their respective number of cakes, then he will be left with four cakes. Instead, if...
Friday, December 9, 2016 by sagar rajput

math
find the length of the longest diagonal through a cuboid of sides 4cm by 13cm by 16cm. please show working
Friday, December 9, 2016 by Anonymous

math
an amount of 15000 is deposited in a bank paying on annual interest rate of 4.3% compounded quality what is the balance after 6 year. Formula. a=p(1+r/n)nt
Friday, December 9, 2016 by Kishan

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. HowÂ...
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

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