Saturday

October 10, 2015
**math**

A company makes two products , namely X and Y. Each product must be processed in 3 stages; welding , assembly and painting. Each unit X takes 2 hours in welding, assembling 3 hours and 1 hour in painting. Each unit Y takes 3 hours in welding, 2 hours assembling and 1 hours in ...
*Sunday, September 27, 2015 by Iman*

**Math**

You bought a total of four cans of chicken soup at the grocery store. You paid a total of $3.16 for all four cans. How much did each can cost?
*Sunday, September 27, 2015 by Zoe*

**math**

there are 3 times as many boys as girls. if there are 24 more boys than girls.how many are there altogether
*Sunday, September 27, 2015 by kian*

**math**

can you please check my work. A scientist uses a submarine to study ocean life. She begins at sea level, which is at an elevation of 0 ft. she travels straight down at a speed of 3.5ft per second. she then travels directly up 30seconds at a speed of 2.2ft per second. 1) after ...
*Sunday, September 27, 2015 by sara7*

**Math**

-0.52(z)=-0.13 What does z =?
*Sunday, September 27, 2015 by Zoe*

**MATH **

how do you factor: a^3-b^6 ??? please help!
*Sunday, September 27, 2015 by Diana*

**Math**

Gisela has 135 cds 11 are pop music she has 3 times as many rocks cds as she had classical how many rocks cds does she have?
*Sunday, September 27, 2015 by Anna*

**math**

I need help with this problem: 33 1/3 of what number is 4 5/6
*Sunday, September 27, 2015 by billy*

**Math**

5+5-5(5)/5
*Sunday, September 27, 2015 by Farxaan*

**Math**

x/(x+1) - 2/(x-1)= 1 I have been trying to solve it but I do not know the steps to solve it.
*Sunday, September 27, 2015 by Jose*

**Math**

Bob was riding his dune buggy. Part of the time he was riding at 10 mph and the remainder of the time at 14 mph. The total distance traveled was 68 miles and it took him 5 hours. How much time was spent traveling at 10 mph?
*Sunday, September 27, 2015 by Christina*

**Math**

The price of a television set on sale is $360. This is two third of the regular price. Find the regular price?
*Sunday, September 27, 2015 by Sunny*

**Math**

Three fifth of the members of a hiking trip club went on the last hiking trip. If 39 people went on the trip how many are in the club? Mathew travels two and one half miles to get to school. This is 3 times the distance that Jennifer travels . How far does Jennifer travel?
*Sunday, September 27, 2015 by Sunny*

**math**

An item is on sale at 40% off the regular price. It is taxed at a rate of 6%. If the final sale price including tax is $57.24, then what is the sale price of the item without tax? What was the regular price of the item? The sale price of the item without tax was $________. The...
*Sunday, September 27, 2015 by Anonymous*

**math**

The sum of the ages of Jose and Valerie is 78 years. 9 years ago, Jose's age was 3 times Valerie's age. How old is Jose now? (A) Translate the given information into an equation using the variable x = current age of Jose. Your equation should contain 78, 3, and 9. Do ...
*Sunday, September 27, 2015 by Anonymous*

**math**

Gregory is 2 years older than Esmeralda. In 5 years the sum of their ages will be 42. How old is Esmeralda now? (A) Translate the given information into an equation using the variable x = current age of Esmeralda. Simplify the left side of your equation. __________________= 42...
*Sunday, September 27, 2015 by Anonymous*

**math**

Peter will apply to his favorite school . Requirement for admission to the school : 1. Indonesian languange score should not be less than 6 , 2. Mathematics score should not be less than 5 3. Score of Indonesian languange + score of mathematics should not be less than 12. ...
*Sunday, September 27, 2015 by Iman*

**Math**

There is the mystery number between 337 and 400. This number has 2 digits that are the same. The sum of all the digits is 12. What is the mystery number?
*Sunday, September 27, 2015 by Nath*

**math**

One month, ruby worked 6 hours more than Isac, and Svetlana worked 4 times as many hours as Ruby. Together they worked 126 hours. Find the number of hours each person worked
*Sunday, September 27, 2015 by maleia*

**math**

john and bryan share 1500 Rs.if john gets twice as much as bryan how much money does bryan have
*Sunday, September 27, 2015 by haider*

**math**

An item is on sale at 40% off the regular price. It is taxed at a rate of 6%. If the final sale price including tax is $57.24, then what is the sale price of the item without tax? What was the regular price of the item? The sale price of the item without tax was_______ $. The ...
*Sunday, September 27, 2015 by Anonymous*

**math**

The sum of the ages of Jose and Valerie is 78 years. 9 years ago, Jose's age was 3 times Valerie's age. How old is Jose now? (A) Translate the given information into an equation using the variable x = current age of Jose. Your equation should contain 78, 3, and 9. Do ...
*Sunday, September 27, 2015 by Anonymous*

**math**

Gregory is 2 years older than Esmeralda. In 5 years the sum of their ages will be 42. How old is Esmeralda now? (A) Translate the given information into an equation using the variable x = current age of Esmeralda. Simplify the left side of your equation. = 42 (B) How old is ...
*Sunday, September 27, 2015 by Anonymous*

**math**

An advertisement for a steel-belted radial tire states that this tire delivers 16% better gas mileage. If the present gas mileage is 24.5 mpg, what mileage would you expect if you purchased these tires? Round your answer to the nearest tenth of a mile per gallon. 26.5/X = 12/...
*Sunday, September 27, 2015 by Valerie*

**Math**

bus A stops every 12 minuets Bus B stops every 9 minuets on the same circuit they stop at the same bus stop at 9:15 am when is the next time this will happen ??
*Sunday, September 27, 2015 by Hannah*

**Math**

What is this equation in standard form 8y-16x=24
*Sunday, September 27, 2015 by Minenhle mposula*

**Math**

500! is divisible by 21. How many times can 21 go into 500! ? The answer key does not simply state 500!/21 times, and my calculator does not have the capacity to compute such a large sum. Thanks!
*Sunday, September 27, 2015 by Beth*

**MATH**

Use the following time value of money tables to answer the following questions. Assume that the annual rate of interest is 6% for each of the four following problems. i = 6% Time Periods (n) Future Value of 1 Present Value of 1 Future Value of an Annuity Present Value of an ...
*Saturday, September 26, 2015 by MARISSA*

**math**

Gregory is 2 years older than Esmeralda. In 5 years the sum of their ages will be 42. How old is Esmeralda now? (A) Translate the given information into an equation using the variable x = current age of Esmeralda. Simplify the left side of your equation. = 42 (B) How old is ...
*Saturday, September 26, 2015 by Anonymous*

**math**

a swimming pool is 25m by 15m.A 2-m concrete walk is built around the pool.What is the area of the walk?
*Saturday, September 26, 2015 by Anonymous*

**math**

A rectangular room is 5 meters longer than it is wide, and its perimeter is 22 meters. a. Letting w represent the width of the rectangle, write an equation that represents the perimeter of the room. = 22 b. Find the width of the room. The width is: meters. c. Find the length ...
*Saturday, September 26, 2015 by mya*

**Math**

solve for x (4/4)x^2-(12/4)x+(61/4)=0
*Saturday, September 26, 2015 by Dan*

**math**

A rectangular room is 5 meters longer than it is wide, and its perimeter is 22 meters. a. Letting w represent the width of the rectangle, write an equation that represents the perimeter of the room. = 22 b. Find the width of the room. The width is: meters. c. Find the length ...
*Saturday, September 26, 2015 by mya*

**math**

web TrianCal.esy.es - Open in Google Chrome. (Triangles online calculator developed by Jesus S.) YouTube: youtu.be/V2IV7lY52mA I propose this free online calculator triangles without advertising to help students with geometry, not exercising, because their calculations ...
*Saturday, September 26, 2015 by Jesus*

**Math**

Which two terms in (3+14)+27 could you add to get a multiple of ten
*Saturday, September 26, 2015 by Char*

**math**

Harry drove 4 hours on the freeway, then decreased his speed by 20 mph and drove for 2 more hours on a country road. if his total trip was 362 miles, then what was his speed on the freeway? I really have no idea how to do this.
*Saturday, September 26, 2015 by Rachelle*

**math**

3x-2y=8 5x-2y=9 using elimination method.. please help.
*Saturday, September 26, 2015 by sally*

**MATH**

Susan spent 2/3 of her money on a shirt. If she has $12.25 left, how much did the shirt cost?
*Saturday, September 26, 2015 by annonymous *

**Math**

A 27 3/4 foot piece of rope will be cut into as many 2 1/2 foot pieces as possible. How many 2 1/2 foot pieces will there be and how much rope is left.
*Saturday, September 26, 2015 by annonymous *

**Math**

A package of 4 mechanical pencils comes with 2 free erasers.If you get a total of 12 free erasers, how many packages of pencils did you buy?
*Saturday, September 26, 2015 by Dania*

**MATH**

Do you convert 16 3/4 to find out how many 1/4 pounds of hamburger you can make out of that?
*Saturday, September 26, 2015 by annonymous *

**Math**

If Sally has $48 in her wallet and she spends $16 on a shirt. What fraction of the money did she spend on the shirt?
*Saturday, September 26, 2015 by annonymous *

**math**

How do you multiply 16 3/4
*Saturday, September 26, 2015 by annonymous *

**math**

Mike has 16 3/4 pounds of hamburger. How many 1/4 pound of burgers can he make.
*Saturday, September 26, 2015 by annonymous *

**math conversions**

If a 68.1 g sample of food will produce 12200 food calories when it is metabolized, how many scientific calories are produced per gram of food?
*Saturday, September 26, 2015 by G*

**Math**

Assume that all chickens have 4904 feathers. If it takes you 1.9 seconds to pluck 69.8 feathers, how many hours would it take you to defeather 5157 chickens?Answer in units of hours.
*Saturday, September 26, 2015 by G*

**math**

A team won 8 of the 24 games it played in one season. What percentage of the games did it win?
*Saturday, September 26, 2015 by Anonymous*

**Math**

Find the missing coordinate of p, using the fact that p lies on the unit circle in the given quadrant. P( ), -3/7
*Saturday, September 26, 2015 by Tracy*

**math**

sofia is 3 years older than Eunice. In 5 years , Sofia will be twice as old as Eunice will then be. Find their present ages.
*Saturday, September 26, 2015 by eunice*

**math**

If someone paid $59.00 on their taxable income with a state income tax rate of 6%, determine the amount of their taxable income.
*Saturday, September 26, 2015 by Marie*

**math**

x(2 +1000)
*Saturday, September 26, 2015 by subash singh*

**Math**

A pharmacy technician is making a 50% solution, how many mL of a 38% stock solution should be added to one pint of a 82% solution? ( just need to know how to set this problem up please)
*Friday, September 25, 2015 by Rayne*

**Math**

Divide the reciprocal of -12 by -1/3? the answer I came up with is 1/4, is this correct?
*Friday, September 25, 2015 by Lisa*

**math**

Find the symbols for degrees, minutes and seconds on your calculator. Then find cot(43‹41Œ13"). Please give the details of what you did in addition to the answer. Explain what you did to find this. Has any other response used a wrong technique...
*Friday, September 25, 2015 by April*

**Math**

A concrete patio is 5 2/3 ft wide. It has an area of 36 5/6 square ft. Is the concrete slab long enough to fit a 7-foot picnic table without placing the table along the diagonal of the patio? so far i have 221/6 / 34/6 = 221/34 = 6.5 ft I need to know where the 34/6 come from
*Friday, September 25, 2015 by Lorenzo*

**Math**

I need help with this math problem. From the reciprocal of 1/9 take 3 2/5.
*Friday, September 25, 2015 by Kyle*

**Discrete Math**

Having trouble with this question on my assignment. I got the rest answered. Assume a domain A = {x ∈ ℝ | x ≥ 2} for the function f(x) = x^2 − 4x + 2 . Find the value of the inverse f^-1(x) at x = 5. Provide 4 decimal places. I'm getting 5.0000 but ...
*Friday, September 25, 2015 by First Time Here :)*

**Math 1 Algebra**

What is 2p+4x=8 solve for x?
*Friday, September 25, 2015 by Maria*

**Math (Discrete Math)**

Having trouble with this question on my assignment. I got the rest answered. Assume a domain A = {x ∈ ℝ | x ≥ 2} for the function f(x) = x2 − 4x + 2. Find the value of the inverse f -1(x) at x = 5. Provide 4 decimal places. I'm getting 5.0000 but I...
*Friday, September 25, 2015 by First Time Here :)*

**Math**

At 5 A.M. the temperature was –5°F. It climbed 24°F during the day. Then the temperature dropped 28°F by 5 A.M. the next day. What was the low temperature of that 24-hour period?
*Friday, September 25, 2015 by Trish*

**Math**

Does .0303 equal 303/10,000
*Friday, September 25, 2015 by Melissa*

**Math**

I need help with this order of operations problem. also x in the problem is the multiplication symbol. 44-4x(5+3x2) I got 44-4x(11) 40x11=440 Am I correct?
*Friday, September 25, 2015 by Melissa*

**Math**

To which subsets of the real numbers does the number √113 belong? is it irrational numbers? if there are anymore subsets this expression belongs to, please include it in your response.
*Friday, September 25, 2015 by Kaai97*

**math**

35/65 in simplest form
*Friday, September 25, 2015 by michelle*

**Math**

2x^-2y^-2 for X=3 and y=-2
*Friday, September 25, 2015 by Jinas *

**math**

The price of a small cabin is $55,000. The bank requires a 5% down payment. The buyer is offered two mortgage options: 20-year fixed at 7.5% or 30-year fixed at 7.5%. Calculate the amount of interest paid for each option. How much does the buyer save in interest with the 20-...
*Friday, September 25, 2015 by jessica*

**math**

The price of a small cabin is $35,000. The bank requires a 5% down payment. The buyer is offered two mortgage options: 20-year fixed at 7.5% or 30-year fixed at 7.5%. Calculate the amount of interest paid for each option. How much does the buyer save in interest with the 20-...
*Friday, September 25, 2015 by jessica*

**Math**

Mrs. Johnson’s class is having a pizza party. If there are 14 students and 7 pizza’s cut into 8 slices, what answer choice represents the fraction of one pizza that each student receives?(1 point) answer choices 1/3 1/4 1/2 1/8 I chose 1/4..Can you tell me if I'...
*Friday, September 25, 2015 by Anonymous*

**math **

using differential determine the appropriate increase in the surface area of a sphere if the radius increases from 4 cm to 4.05 cm.
*Friday, September 25, 2015 by al sah him*

**math**

the edge of a cubical box can be measured with an allowable error of 2 mm. What is the corresponding error in the total surface area of the cubical box whose edge is one meter.
*Friday, September 25, 2015 by al sah him*

**math**

the allowable error in the measurement of the edge of a cubical box is one mm. What is the corresponding error in the volume of a cubical box whose edge is 90 cm
*Friday, September 25, 2015 by chev*

**math**

the hypotenuse of the right triangle is 20 cm. Determine the perimeter that will make its area minimum?
*Friday, September 25, 2015 by chev*

**math**

A rectangular lot having an area of 5000 m^2 is to be fenced on sides. To have the least moment of fencing , what should be the ratio of its length to its width?
*Friday, September 25, 2015 by chev*

**math**

The sum of the two numbers is k. the product of one by the square of the other is to be a maximum . What is one of the numbers?
*Friday, September 25, 2015 by chev*

**math**

a diameter of a sphere can be measured with a maximum error of 0.2cm . Find the corresponding error volume of a sphere whose diameter is 90 cm.
*Friday, September 25, 2015 by chev*

**math**

if =65 tan "o"(theta sign), what is the approximate change in h when (theta sign) changes from 60 degree to 60°03’.
*Friday, September 25, 2015 by chev*

**math **

What is the maximum value of y if y = x^4 - 8x?
*Friday, September 25, 2015 by chev*

**math**

the hypotenuse of a right triangle is 12 cm. find one the legs if the area is maximum?
*Friday, September 25, 2015 by chev*

**Math/solving two-step equatios(distributive proper**

Good morning! I am trying to help my nephew who because of seizures when he was younger has a hard time understanding math. I need step-by-step (written in words) on how to do two-step equations (distributive properties). 3(c+5)=12. 5(4d+8)=40. -(2k-11)=7. 3/4(4x+8)=-12 -4(3x-...
*Friday, September 25, 2015 by ann*

**math**

Pramod is 15 years younger than his sister after 5 years he will be half his sister age find the present age
*Friday, September 25, 2015 by shubham*

**Math**

Jamie brought $72 more than Sally brought. Tia and Sally brought the same amount of money. Sally brought $50 more than Kelly brought. If their total souvenir money did not exceed $502, what is the greatest amount of money Jamie could have brought?
*Friday, September 25, 2015 by Johnny*

**math**

A clerk spent his 35 hour work week as follows: 1/5 of his time in sorting mail; 1/2 of his time in filing letters; and 1/7 of his time in reception work. The rest of his time was devoted to messenger work. The percentage of time spent on messenger work by the clerk during the...
*Friday, September 25, 2015 by Nancy*

**f5 math**

Mr. Chan buys some flour with $80. The price of flour is $x per kg. If the price is increased by $2 per kg, he will buy 2 kg less than with $80. Find the value of x.
*Friday, September 25, 2015 by Judy*

**math**

one radio station broadcasts the weather every 8 minutes and other station broadcasts a commercial every 4 minutes. Another station plays a "Golden Oldie" every 6 minutes. If all three of the stations broadcast both a weather forecast, a commercial, and play a "...
*Thursday, September 24, 2015 by lisa*

**math **

Raul had a bookshelf with 4 shelves. He had six books on each shelf. how many books does raul have?
*Thursday, September 24, 2015 by Anonymous*

**Math**

Explain how you know if a number can be divided evenly.
*Thursday, September 24, 2015 by Syd*

**Math**

What is the sum of 3/4 over 8 plus 1/3 over 4
*Thursday, September 24, 2015 by Lacey*

**Math**

Sum of 3/4 + 1/3 _ _ 8 4 Simplest form
*Thursday, September 24, 2015 by Sheri*

**Solving Linear Equations (Math)**

The length of a rectangle is 5m shorter than three times the width. The perimeter is 46m. Find the length of each side.
*Thursday, September 24, 2015 by Andrea*

**math**

trevor paints 1/6 of the fence each day how many days will it take to paint 3/4 o the fence
*Thursday, September 24, 2015 by jim*

**Math**

suppose you had a very small set of numbers that contained only 0 and 1 would this set be closed under addition? if not give a counterexample. please help me
*Thursday, September 24, 2015 by penelope*

**Math**

A recipe or trail mix calls for 1/4 cups of raisins, 1 1/2 cups of granola, 1/2 cup of mixed nuts, and 1/8 cup of chocolate chips. What fraction of each ingredient is required to make 5 1/2 recipes
*Thursday, September 24, 2015 by Karen*

**Math**

If you save 1/5 of your allowance and spend 2/3 how much is left?
*Thursday, September 24, 2015 by Sheri*

**math for managers**

3(y-2)=2(x+5)
*Thursday, September 24, 2015 by Anonymous*

**Math**

A 6-foot person standing 15 feet from a streetlight casts a 15-foot shadow. Two similar triangles are formed. One triangle is formed by the person and the shadow that the person casts. A second triangle is formed by the streetlight and the ground from the base of the ...
*Thursday, September 24, 2015 by Anonymous*

**math**

Assume you have a basket full of socks, which have the following properties: 6 of the socks have blue stripes 8 of the socks have red polka dots 16 of the socks have blue polka dots 10 of the socks have red stripes (a). If you take one sock out of the basket, what is the ...
*Thursday, September 24, 2015 by jordan*

**Math**

Sherry saved $1800 she earned at her summer job. She invested part of her money in a Treasury Bill at 5% and the balance in a Money Market fund which guaranteed a return of 10%. If she earned $165 on her investments in the first year, how much was invested at each rate?
*Thursday, September 24, 2015 by Karl*

**math**

A student takes a multiple choice quiz with 12 questions and 5 alternatives per question. Unfortunately, this student has no idea what any of the answers are, so he randomly selects an alternative for each question on the exam. Using this “blind guessing” strategy, ...
*Thursday, September 24, 2015 by jordan*

**Math**

A 6-foot person standing 15 feet from a streetlight casts a 15-foot shadow. Two similar triangles are formed. One triangle is formed by the person and the shadow that the person casts. A second triangle is formed by the streetlight and the ground from the base of the ...
*Thursday, September 24, 2015 by Anonymous*

**math**

the product of seven and four times a number multiplied by three 28*n*3 is this correct??
*Thursday, September 24, 2015 by penelope*