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January 23, 2017

Homework Help: Math

Branches of Math

Recent Math Questions

math
Four products are processed sequentially on three machines. The following table gives the pertinent data of the problem. Manufacturing time (hr) per unit Machine Cost per hr ($) Product 1 Product 2 Product 3 Product4 Capacity (hr) 1 10 2 3 4 2 500 2 5 3 2 1 2 380 3 4 7 3 2 1 ...
Monday, November 14, 2016 by nk

Math
Construct an equilateral triangle of perimeter 19.5 centimeter.Measure and verify that each angle measures 60 digrees
Monday, November 14, 2016 by Dev

Math
Andy has 5 tools he uses in his carpentry shop. 2 at the tools are hammers. What fraction of the tools are hammers?
Monday, November 14, 2016 by Daqs

Math
How is finding a part of a whole similar to finding a part of a set? How is it different?
Monday, November 14, 2016 by Tricia

math
When 26 is subtracted from 3 times a number, the result is greater than 10. What number are possible?
Monday, November 14, 2016 by brandy

math
What is the percentage of 237 basketball shots taken, but only 103 made?
Monday, November 14, 2016 by Jay

math
a worker is pushing an 80lb chest up a ramp to land truck. how much force must he use in order to keep the chest from rolling back down the amp? the ramp is inclined 13.8 degrees. draw a sketch with force vectors working in this problem and solve the problem
Monday, November 14, 2016 by keke

math
two forces, one of 18.4 pounds and the outer 13.1 pounds, act upon the same onject. the angle between these forces is 16.5°. find the magnitude of the resultant force
Monday, November 14, 2016 by keke

math
a painter needs to cover a triangular region 60 meters by 68 meters by 71 meters. a can of paint covers 70 square meters. how many cans will be needed?
Monday, November 14, 2016 by keke

math
salil travels 9km towards east then8km towards north and finally 7km towards east . how far away is he from his original place?
Monday, November 14, 2016 by Anonymous

math
salil travels 9km towards east then8km towards north and finally 7km towards east . how far away is he from his original place?
Monday, November 14, 2016 by Anonymous

Math
If driving 50 mph how fast would the person 1 mile behind them have drive to catch up with them
Monday, November 14, 2016 by Tammy

Math
Construct a given triangle AB=70mm,BC=80mm,AC=50mm.give the name of the triangle
Monday, November 14, 2016 by Ease udoh

math
if there are 40 question and each question carrying 5 marks and each wrong attempt can deduct 3 marks. if someone secured 70 marks then how many question he has attempted
Monday, November 14, 2016 by siddhanta

Math
If A Boy Spent 1\5 Of His Money,what Fraction Of The Money is Left
Monday, November 14, 2016 by value

math
The management of a company is negotiating with a union over salary increases for the company's employees for the next 5 years. One plan under consideration gives each worker a bonus of 1200 dollars per year. The company currently employs 1055 workers and pays them an ...
Monday, November 14, 2016 by help

Math
Total the ages of Apple and Benny is 38. Seven years ago, Apple was three times as old as Benny. How old Benny`s present age?
Monday, November 14, 2016 by Kartik

math
Students noticed that the path of water from a water fountain seemed to form a parabolic arc. They set a flat surface at the level of the water spout and measured the maximum height of the water from the flat surface as 6 inches and the distance from the spout to where the ...
Monday, November 14, 2016 by Anne

Math
Rectangle perimeter and area length =2ft width =14in
Monday, November 14, 2016 by James

math
Find the angle of elevation of the top of a vertical pole 23long from a point on the ground 10away from the foot of the pole l
Monday, November 14, 2016 by Gertrude

math
In economics, revenue Upper R is defined as the amount of money derived from the sale of a product and is equal to the number x of units sold times the selling price p of each unit. If the selling price is given by the equation p -1/10x+60 , express revenue R function of the ...
Monday, November 14, 2016 by Anne

Math
A landlady currently rents each of her 50 apartments for $1300 per month. She estimates that for each $100 increase in rent, two additional apartments will remain vacant. a. Construct a function that represents the revenue R(n) as a function of the number of rent increases, n...
Monday, November 14, 2016 by Anne

math
A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 8% margin of error at a 95% confidence level, what size of sample is needed?
Monday, November 14, 2016 by zzz

math
The difference between compound interest and simple interest on a certain amount for1.5 yes at 12% per annum is ₹ 150.calculate the amount.
Monday, November 14, 2016 by sahil

math
the angle of elevation and angle of depression of the top and base of a mobile tower from a mobile handset are 60degree and 30degree respectively. if the distances of the top and the bass of the tower from the mobile handset are 15metre and 8metre respectively, find from the ...
Monday, November 14, 2016 by prandeep goswami

Math
A boy is mowing a rectangular lawn 40ft long and 30ft wide. He has cut all of it except for a rectangle that is 20ft long and 15ft wide. What fractional part of the lawn remains uncut? I need helping figuring out how to solve this. My answer sheet says its 1/4 but I don't ...
Sunday, November 13, 2016 by Jess

math 9
Given Parallelogram ABCD with AB=(3x-5)cm, BC=(2y-7)cm, Cd=(x+7)cm, AD=(y+3)cm
Sunday, November 13, 2016 by jen

Math
A person invested $7900 for one year, part at 5%, part at 11%, and the remainder at 15%. The total annual income from these investments was $965. The amount of money invested at 15% was $500 more than the amounts invested at 5% and 11% combined. Find the amount invested at ...
Sunday, November 13, 2016 by Angela

Math
Write a cubic function (in standard form) whose graph passes through given points: (-4), (0,10), (2,0) ,(5,0)
Sunday, November 13, 2016 by Emilyn

Math
Evaluate the following expression for x = 26 3√x - 1 + 6 Please help I'm so lost! Btw, the square root stretches over x - 1 but not + 6
Sunday, November 13, 2016 by Cami

Math
How to find the transformations of these graphs of equations? 1. y=(x+2)^2-3 2. y=3x^2-6 3. y=-2(x-4)^2+5 Please teach me..
Sunday, November 13, 2016 by Jo

Math
need help from least to greatest 1/2, -0.51, 0.55555, -1/2.
Sunday, November 13, 2016 by Nia

math
The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For these questions, assume these values are not changing from year to year, and that the population of the United States is 312 million people. Cause Deaths Passenger car occupant 13,...
Sunday, November 13, 2016 by bao

MATH CLASS 6th grade
Every month the Incredible Ice Cream Shop sends a card with a coupon for a free ice cream treat to the members of their ice cream club who were born in that month. The number of members and their birthday month is shown below. Month Number of Club Members Born in the Month ...
Sunday, November 13, 2016 by APRIL WALKER

Math
at what time is the missile 50m above the ground level?
Sunday, November 13, 2016 by Hagos

Math
Mr.Chan bought some pencils for a group of students. If he gives them 2 pencils each, he will have 10 pencils left. If he gives them 3 pencils each, he will have none left. How many students are in the group?
Sunday, November 13, 2016 by Dylana

Math
When a 3-digit number is rounded to the nearest ten and to the nearest hundred, the answer is the same.What is one possible number that fits this rule?
Sunday, November 13, 2016 by Dylana

MATH CLASS 6th grade
Every month the Incredible Ice Cream Shop sends a card with a coupon for a free ice cream treat to the members of their ice cream club who were born in that month. The manager of the ice cream shop noticed that 90% of all club members brought along a family member who spent an...
Sunday, November 13, 2016 by APRIL WALKER

MATH CLASS 6th grade
The manager of the ice cream shop noticed that 90% of all club members brought along a family member who spent an average of $18 in the shop. The tax on their bill was 5.5%. a. What was the total amount spent by the family members in one year? b. What would each family member ...
Sunday, November 13, 2016 by APRIL WALKER

PreAp Math
The manager of the ice cream shop noticed that 90% of all club members brought along a family member who spent an average of $18 in the shop. The tax on their bill was 5.5%. a. What was the total amount spent by the family members in one year?
Sunday, November 13, 2016 by MatthewT.

Math
Select Each situation in which one quantity is changing at a constant rate in relation to another quantity. A. Brad drives 45 miles per hour. B. Frank earns 3% interest on his savings account C. Steve doubles the amount of water he drinks every week. D. Dan earns $12 for every...
Sunday, November 13, 2016 by Cami

Please answer this for math!
Which statement is TRUE? A. Every real number is an integer. *** B. Every rational number is a real number. C. Every rational number is a perfect square. D. Every integer is an irrational number.
Sunday, November 13, 2016 by Tamera

Math
What is the slope of (3,-5) and (-4,6)?
Sunday, November 13, 2016 by Anonymous

Math
Homework Help: Math Posted by Blob on Sunday, November 13, 2016 at 1:23pm. Steven is moving to another city next weekend and wants to rent a moving truck. The rental rates for two companies in his area are shown below. Each company charges an initial fee for renting the truck...
Sunday, November 13, 2016 by Cami

MATH
Which statement is TRUE? A. Every real number is an integer. B. Every rational number is a real number. C. Every rational number is a perfect square. D. Every integer is an irrational number.
Sunday, November 13, 2016 by Tamera

Math
Suppose the ice cream shop offers 9 different flavours, and we share 5 scoops. How many ways of ordering are there if All different any combination two scoops of one flavour, two scoops of 2nd, and one of third first one, i did 9! / 5!? second one and third one idk
Sunday, November 13, 2016 by Elle

Math
Steven is moving to another city next weekend and wants to rent a moving truck. The rental rates for two companies in his area are shown below. Each company charges an initial fee for renting the truck, plus an additional amount per mile. Company 1: Miles: 30 Rental Charge: $...
Sunday, November 13, 2016 by Blob

math
a bag has 6 marbles in it each marble is either red blue or green what is the least number of marbles that you must pull out of the bag to be sure you have two marbles the same color?
Sunday, November 13, 2016 by Anonymous

Math
The perimeter of the area to be fenced is 1760ft. Estimate the number of wooden fence posts needed if the posts are placed 8.625ft apart
Sunday, November 13, 2016 by Jim

Math grade 9
46=2-8w-3w I tried adding -8w to both sides and i got the answer wrong... my math text book says the answer should be -4 but i don't know how to get it
Sunday, November 13, 2016 by I need help please!

Math
If one hundredths is divided into ten equal parts, each part is one (BLANK )
Sunday, November 13, 2016 by Justin

Math
A child releases a balloon from a height of 6ft and it ascends at a rate of 5ft per second. A second balloon starts at a height of 51 ft and descends at a rate of 2 ft per second. After how many seconds will both balloons be at the same height above the ground.
Sunday, November 13, 2016 by David

math
a recipe that makes 16 cookies call for 1/4 cup of sugar and 2/3 cup of flour. Janelle wants to proportionally increase these almost to get a new recipe using one cup of sugar. using the new recipe how much flour should she use?
Sunday, November 13, 2016 by yasmine

math
I'm sorry, but I am asking this question again because the response I received was a question that I could not answer - that's why I am asking here. Thank you. If someone asked: what can we learn from analyzing the standard deviation of a set of data that we couldn'...
Sunday, November 13, 2016 by Carly

Math
If you estimate a person's age to be 24 but his actual age is 20 what was your percent of error in estimating his age? Round to the nearest percent?
Sunday, November 13, 2016 by Gina

Math
The temperature inside a greenhouse was 60 degrees Fahrenheit and increased to 75 degrees Fahrenheit over the next few hours. What was the percent increase in temperature?
Sunday, November 13, 2016 by Gina

Math
How do I find a value for k that will make the expression factorable. 36x^2 + 8x + k?
Sunday, November 13, 2016 by Tom

math
Abcd is a parallelogram in which angle add =75 and side an is produced to e find x+y
Sunday, November 13, 2016 by anu

Math
If a*b means 3a^2+b, what does 3*1 mean?
Sunday, November 13, 2016 by doti

Math
A quiz has 20 questions with 5 points awarded for each correct answer and one point deducted for each incorrect answer, with 0 for each question omitted, Larry scored 72 points. How many questions did he omit?
Sunday, November 13, 2016 by cici

Math
Find formula Number Sequences of 3, 10, 31, 94,.....
Sunday, November 13, 2016 by Dio

Math
The variable x in the expression 3+2x is replaced in succession by 1.2.3 and 4. Find the sum of the resulting numbers.
Sunday, November 13, 2016 by Tata

Math
The number of males is 5/11 the number of girls. The are 114 more girls than boys. How many students are in the school altogether?
Sunday, November 13, 2016 by Charly

Math
A sum of money is divided between three people in the ratio 1:2:1/2. If the smallest share amounts to $48, what is the total Sum of money?
Sunday, November 13, 2016 by Lolai

Math
In triangle ABC line segment ad is an altitude. If bc = 10cm and ad= 7cm.find area of â–³*abc.
Sunday, November 13, 2016 by Preksha

Math
In triangle ABC line segment as is an altitude. If by = 10cm and ad= 7cm.find area of â–³*abc.
Sunday, November 13, 2016 by Preksha

Math (Derivative)
Assume that x and y are both differentiable functions of t and the required values of dy/dt and dx/dt xy=6 a) Find dy/dt, given x=8 and dx/dt=12 b) Find dx/dt, given x=1 and dy/dt=-8 I started with a and got dy/dt=dx/dt(-y/x) Plugging with the given values leaves me with dy/dt...
Sunday, November 13, 2016 by Ray

math
A bag contains 4 red ball 5 black ball and Bag B contains 3 red and 7 black ball . one ball is drawn from bag A and two balls drawn from bag b . find the probability that out of three balls drawn two are black and one is red.
Sunday, November 13, 2016 by khushpreet singh

Math
Suppose you open your textbookat random and the product of two pagesfacing you is 3 192,what are the two pages?
Sunday, November 13, 2016 by Bea

math
From the whole numbers 1 to 100, how many cannot be divided by 6 or 9?
Saturday, November 12, 2016 by Dran

Math
select each situation in which one quantity at a constant rate in relation to another quantity. A. Brad drives 45 miles per hour. B. Frank earns 3% interest on his savings account C. Steve doubles the amount of water he drinks every week. D. Dan earns $12 for every lawn he ...
Saturday, November 12, 2016 by Blub

Math
Jack and John have heights in the ratio 5:6. If John's height is 186cm, what is Jack's height?
Saturday, November 12, 2016 by Oli

Math
simplify ratio 1/5:1=
Saturday, November 12, 2016 by Dorce

Math
A manchine prints 1500 newspaper in 45 minutes . How many will it print in 2 hours solution?
Saturday, November 12, 2016 by Sandhya Pandey

Math
What is the first common number among: palindromic numbers, Triangular numbers and Fibonacci numbers?
Saturday, November 12, 2016 by Adam

math
By how much does 17 exceed the difference of 5 and -5?
Saturday, November 12, 2016 by Alex

Math
At the market, 0.2 of the pieces of fruit are peaches, 0.25 is apples, 0.05 is lemons, 0.1 is cherries, 0.2 is grapes, and 0.15 is plums. There are also 8 pineapples and 4 mangos. How many peaches are for sale at the market? How many apples? How many lemons? How many plums?
Saturday, November 12, 2016 by David

Math- HELP!
If a population of fruit flies doubles every 3 days. What is k, the proportionality constant? How would I solve this problem? What would initial value be?? Thanks!
Saturday, November 12, 2016 by Ellie

Math
One-quarter of Steve's baseball cards are from his dad's collection. Another 0.2 are from his uncle, and 0.5 are from his brother. The rest are from Steve's cousin. Thirty of the cards from his cousin are National League players; the other half are American League...
Saturday, November 12, 2016 by David

Math
A machine prints 1500 newspaper in45 min . How many will print in 2 hours ?
Saturday, November 12, 2016 by Anonymous

Math
How could Jason solve for T in this equation? T - 8 = 40 A) add 8 to the left side B) add 8 to the left side and subtract 8 from the right side C) add 8 to each side D) divide each side by 8
Saturday, November 12, 2016 by David

Math
What should Edna do to solve for m in the equation? 65 = m + 29 A) add 29 to each side B) add 29 to the left side C) subtract 29 from the right side D) subtract 29 from each side
Saturday, November 12, 2016 by David

Math (Algebra)
A chemistry student needs to make 60 liters of a 30% alcohol solution. He has a 20% alcohol solution and a 40% alcohol solution in the lab. How many liters of each strength does he need to mix together *The system of equations I did was: a+b=60 & .2a+.4b=18. I may be wrong but...
Saturday, November 12, 2016 by Amber

math
-(-2)^3+0.2-/2-11/-4=-5 How to show work for the answer -5
Saturday, November 12, 2016 by Tricia

Math
Order the numbers GREATEST to LEAST. 6.5, 31/5, √40, 6.6 My answer: 6.6, 6.5, √40, 31/5 (6.5 is a repeating decimal btw)
Saturday, November 12, 2016 by Blub

math
if jake can ride his bike to the store that is 20 miles away in 45 minutes how far can he bike i i hr
Saturday, November 12, 2016 by hgfhgfh

Math
In a class where there are as many girls as boys, 2/5 of the boys and 1/2 of the girls went to a local fair. What fraction of the students in the class did not go to the local fair?
Saturday, November 12, 2016 by David

Math
For every 5 highlighters that Agnes buys , she gets 1 free. If Agnes needs 80 highlighters, what is the least number of highlighters she has to buy?
Saturday, November 12, 2016 by Karen

Math
Aaron and Ben have a total of 976 trading cards. Ben has 7 times as many cards as Aaron. How many cards should Ben give Aaron so that Aaron will have 3 times as many cards as Ben?
Saturday, November 12, 2016 by Karen

Math
Alvin has some marbles in a box. He keeps 1/3 of them and gives the remainder to Joyce and Sean. Joyce gets 5/8 of the remainder. What fraction of the marbles does Sean get?
Saturday, November 12, 2016 by David

Math
a rental car company charges a fee based of $44.82 plus $0.55 per mile driven. If x represents the miles driven, write an equation that could be used to find y, the total cost of the bill. My answer(s): 0.55 + x = y 0.55(x) = y X + 0.55 = y 44.82 + x = y 44.82(x) = y
Saturday, November 12, 2016 by Blub

math
Two-third of a number is 72 less than its 120%.What is the product of the digits of the number?
Saturday, November 12, 2016 by Divya Mallick

Math
If the weight of a class 4 truck is increased by 2 tons will it still be classified as a class 4 truck
Saturday, November 12, 2016 by Cristal

Math
Kerri's father bill was a baker. Out of his usual morning batch of cookies bill burned the first 2 dozen cookies. He gave half of what was left to Keri to take to school. He wrapped up half of the remaining cookies and have them to a group of fireman. He gave two thirds of...
Saturday, November 12, 2016 by Jessica

Math
In a standard set of dominoes, a face of each domino has a line through the center, with 0 to 6 dots on each side of the line. Each possible combination of dots is used exactly once, one combination per domino. What is the probability that a randomly selected domino will have ...
Saturday, November 12, 2016 by Alyssa

Math
Directions are "Order these integer decimals from least to greatest: +.125, -.1428, -0.025 (with a repeating 5), 0.2. I'm thinking that ordering from least to greatest would be: -.1428, -0.025, .125, 0.20
Saturday, November 12, 2016 by paula

Math
The ratio of band students to choir students at Waldon is 75 to 30. What is the fraction of band students?
Saturday, November 12, 2016 by Jo jo

Math Word Problems
Bart, Lisa and Maggie went to the "Integers Only Really Expensive Fruit Stand" to buy some fruit. Bart bought 2 pomegranates and 1 kiwi for exactly $16. Lisa bought one pomegranate and 2 kiwis for exactly $11. Maggie bought 1 pomegranate and 1 kiwi. How much did ...
Saturday, November 12, 2016 by Anonymous

math
which of the following is a Pythagorean triple and why A:8,3,6 B:13,12,5
Saturday, November 12, 2016 by dude

math
(x-1)+(x+2)+(x-3)+(x+4)...+(x+100)=0
Saturday, November 12, 2016 by dona

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