Wednesday

December 2, 2015
**Math **

Question: Describe and fix the error in the following solution 9.50 - 7.18 = 2.48 Answer: I really don't see the mistake in this problem.
*Wednesday, November 18, 2015 by Cameron*

**Math/Finance**

You have found the following stock quote for RJW Enterprises, Inc., in the financial pages of today's newspaper. 52 Week High: 72.18 Low: 43.17 Stock (DIV): RWJ 1.28 Yield (%): 2.1 PE: 21 VOL (100s): 17652 Close: ???? Net change: -.23 What was the closing price for this ...
*Wednesday, November 18, 2015 by Ryan*

**Math Word Problem(PLEASE HELP NOW)**

Reasoning Word Problem: A school's lockers are numbered 1-100. One hundred students enter the school one at a time. The first student opens the lockers. The second student closes the even-numbered lockers. The third student either closes or opens every third locker. The ...
*Wednesday, November 18, 2015 by LizzyLiz*

**Math**

What is 503,000,000 as a percentage? I am doing this for a school project. It's really difficult to figure out. Just saying.
*Wednesday, November 18, 2015 by Katrina*

**Math**

What is 75% of 260
*Wednesday, November 18, 2015 by Anonymous*

**Math**

What is 503,000,000 as a percentage?
*Wednesday, November 18, 2015 by Katrina*

**Math**

Sea water contains 3.5g of salt per liter.How many grams of salt are their in 2000ml of sea water?
*Wednesday, November 18, 2015 by Razel*

**Math**

How do i write this in expanded form? 1.1^3
*Wednesday, November 18, 2015 by Amy*

**Math**

The first term in a sequence is 4 and each of teh following terms is found by multiplying the previous term by n. What is the fifteenth term? Is the answer 4n(15)?
*Wednesday, November 18, 2015 by Jessica*

**Math**

Show that the equation tanθ = sinθ can be written in the form sinθ(1 - 5cosθ) = 0?
*Wednesday, November 18, 2015 by John*

**Math**

Reasoning Word Problem: A school's lockers are numbered 1-100. One hundred students enter the school one at a time. The first student opens the lockers. The second student closes the even-numbered lockers. The third student either closes or opens every third locker. The ...
*Wednesday, November 18, 2015 by LizzyLiz*

**Math**

I'm doing my math homework. 25*f=100 or twenty-five times something equals one hundred? Please help me.
*Wednesday, November 18, 2015 by stephania*

**Math (Damon Please help)**

Okay let me try again...#4 8a^2b= 2*4*a*a*b 14ab^2= 2*7*a*b*b They both have 2 in common They both have a in common They both have b in common So.... 2ab?
*Wednesday, November 18, 2015 by LizzyLiz*

**Math **

Group member - Time take Juan. 32.35 Ricardo. 21.78 Lucas. 23.18 Calculate u sing the work model. Using the individual times for your three team members, write an equation to model the work done, and solve that equation for the estimated time that it takes to complete the task...
*Wednesday, November 18, 2015 by Patrisia*

**Math**

What is the value of the range of the function f(x)=x^2+2 for the domain value 1/4? a. y=2 b. y=2 1/4 c. y=2 1/8 d. y=2 1/16
*Wednesday, November 18, 2015 by Kaai97*

**math**

Sohini bought 400 eggs at Rs 8.40 a dozen. At what price per hundred must she sell them so as to earn a profit of 15 percent? Give me the solution of it. Urgent**
*Wednesday, November 18, 2015 by adam*

**Math**

Is the following relation a function? {(0.3,0.6),(0.4,0.8),(0.3,0.7),(0.5,0.5)} a. yes b. no c. cannot be determined***
*Wednesday, November 18, 2015 by Kaai97*

**Math NEED HELP NOW! SO CONFUSED! :'(**

How do I find the GCF's of these following problems... 1) 36, 81, 27 2) 15, 17, 30 3) 3x^2y, 9x^2 4) 8a^2b, 14ab^2 %) 3cd^4, 12c^3d, 6c^2d^2
*Wednesday, November 18, 2015 by LizzyLiz*

**Math**

1. Mark is 5 years younger than his 16 year old sister. What is Mark's age. Write in equation form. 2. Vinn works at the petshop for $11 per hour. How many hours did he work if he made $93.50? Write in equation form.
*Wednesday, November 18, 2015 by Olivia*

**HURRY CHECK THIS MATH**

A costume designer made 10 costumes that each used 5.8 yards of fabric. If she had 238.2 yards of fabric to start with, about how much fabric does the costume designer have left? Write an equation and estimate the amount of fabric left. A customer went to a garden shop and ...
*Wednesday, November 18, 2015 by Eevee*

**Math**

A factory produces x calculators per day. The total daily cost in Shillings incured is 5x^2-800x+500. If the calculators are sold for sh (100-10x) each, i, Determine the profit function ii, Find the number of calculators that would maximize the daily profit iii, What is the ...
*Wednesday, November 18, 2015 by Mesh*

**Math**

A family wants to begin saviving for a trip to paris. The trip is planned for 3 years from now, and the family wants to accumulate one million shillings for the trip, if twelve deposits are made quartely to an account which earns interest at the rate of 8 percent per year ...
*Wednesday, November 18, 2015 by Mesh*

**Math Asap**

When adding √9 and -7, which type of number is the sum? A.irrrational B.whole number C.radical D.integer My answer is A. CAN you check please @Ms.Sue
*Wednesday, November 18, 2015 by Lily *

**Math **

if a number is not a rational number, then it is______. A. an integer B.an irrational C.whole number D.a radical My best answer is B. Can you check please @Ms.Sue
*Wednesday, November 18, 2015 by Annabelle *

**Math**

1. Write the following ratio in simplest form: 32 min:36 min 8:9 8:36 32:9 128:144 2. Marie saved $51. On Wednesday, she spent $8 of her savings. What ratio represents the portion of her total savings that she still has left? 43:8 8:51 43:51 59:51 3. The price of 8.4 ounces of...
*Wednesday, November 18, 2015 by YRN DJ*

**Math**

1. Choose a room you would like to decorate. Measure its length or width. This measurement will be the length of your pennant string. 2. Choose a size of paper square to use. (Hint: Whole number side lengths will make the calculations easier.) 3. Cut the square in half along ...
*Wednesday, November 18, 2015 by YRN DJ*

**5th grade math word problems**

abby has been practicing for her soccer game. She has been running 5/8 of a mile every day for 4 days. How many total miles does she run?Use a representation and write an equation. I do not understand what a representation is and would I multiply fractions or add them?
*Wednesday, November 18, 2015 by reid*

**math**

(sin x+tan x) if x=pi/3
*Wednesday, November 18, 2015 by arshad raza*

**Math**

A Company manufactures two products X and Y by means of two process A and B. The maximum capacity of process A is 17500hours and of process B 400hrs. Each unit of product X requires 3hours in A and 2 Hours in B, while each unit of product Y requires I hour in A and 4 hours in ...
*Wednesday, November 18, 2015 by Mesh*

**Math**

A family wants to begin saviving for a trip to paris. The trip is planned for 3 years from now, and the family wants to accumulate one million shillings for the trip, if twelve deposits are made quartely to an account which earns interest at the rate of 8 percent per year ...
*Wednesday, November 18, 2015 by Mesh*

**math**

The sum of two numbers is a twice the bigger number minus the smaller is 17. Find the two numbers
*Wednesday, November 18, 2015 by che*

**math**

If the digits of the number are reversed, the number is increased by 36. The sum of the digits in the number is two and one–half times their difference. What is the number?
*Wednesday, November 18, 2015 by Marie*

**math**

Twice the sum of two numbers exceed three times their difference by 8, while half the sum is one more than the difference. What are the numbers?
*Wednesday, November 18, 2015 by Marie*

**math**

In a class of 30 students, 18 offer mathematics (M), 15 offer science (S) and 13 offer english (€). The number of students who offer all the three subjects is equal to the number of students who do not offer any of these subject. 10 students offer both mathematics and ...
*Wednesday, November 18, 2015 by Ethel *

**math**

a mathematics question contained 20 items. every wrong answer scores -2marks, every correct answer scores 4marks and no mark for no answer. (a) find the minimum possible score (b) Tembo had 10 correct answers, 8 wrong answers and 2 no answers. What was his mark? (c) Bwalya ...
*Wednesday, November 18, 2015 by chisenzi*

**math**

If rt=3+t²,then dr∕dt=−−−−−−
*Wednesday, November 18, 2015 by Haroon Gondal*

**math**

estimate the product. choose a method. 63×19
*Wednesday, November 18, 2015 by tasha*

**Math**

Given that an equation of the form f(x) = x^n has n solutions, and that the solutions are equally spaced at a given radius in the complex plane, discuss why complex solutions must occur in conjugate pairs when .
*Tuesday, November 17, 2015 by April*

**Math**

On Monday morning, Rosie naps for 3/5 hour. In the afternoon for 5/6 hour. How long does he sleep in all?
*Tuesday, November 17, 2015 by Rose*

**Math**

Finneas plays with his toy mouse for 1/10 hour. then he chases a fly for 1/6 hour. How much longer does he spend chasing a fly than playing with his toy mouse?
*Tuesday, November 17, 2015 by Sandy*

**Math**

In 5 years, Ana's age will be twice the age of her friend Jun. 5 years ago, she was 3 times as old as her friend. Find their present ages.
*Tuesday, November 17, 2015 by Marie*

**MATH**

Determine the slope of the graph of the linear function that passes through the given pair of point: 1.(4,5),(-3,6) 2.(12,8),(7,6) 3.(3,5),(-3,9) 4.(8,1),(-3,-1) 5.(15,5),(-20,16)
*Tuesday, November 17, 2015 by Camz*

**Math**

I am a product.One of my factors is 7.The sum of my factors equals 11.What number am I?
*Tuesday, November 17, 2015 by Lena*

**math**

Cassandra entered the following problem into her calculator. 8E8 + 1000 what should the calculators output be?
*Tuesday, November 17, 2015 by elijah*

**Math**

I am a number that is four times the product of 2 and 3.One of my factors is 4.What is my other factor?
*Tuesday, November 17, 2015 by Lena*

**Math**

At a baseball game, there were three times as many males as females. 5/6 of the males were boys and the rest were men. 2/3 of the females were girls and the rest were women. Given that there were 121 more boys than girls, how many adults were there at the baseball game?
*Tuesday, November 17, 2015 by Haylee*

**Math**

Bob is building a house. He has a piece of wood that measures 2 1/3 feet long. He cuts off 3/4 feet, how long is the measure now?
*Tuesday, November 17, 2015 by Lisa*

**Math**

Sally has 4.5 cups of sugar. She needs to bake brownies for for a bake sale. If each batch of brownies requires 2/3 cup of sugar, how many batches of brownies can she make?
*Tuesday, November 17, 2015 by Matt*

**math**

8:9:18 8 = 184 what's 9 and 18?
*Tuesday, November 17, 2015 by heather*

**Math **

Megan has 9 yards of fabric. If she uses 5/8 of the fabric to make a quilt, how much fabric does she have left?
*Tuesday, November 17, 2015 by Bob*

**MATH**

DUKE WORKS IN A BAKERY HE MUST BOX 96 ROLLS AND 72 MUFFINS SO THAT ALL BOXES THE THE SAME NUMBER OF EACH WHAT IS THE LARGEST NUMBER OF BOXES HE CAN USE
*Tuesday, November 17, 2015 by AY*

**Math**

Joe borrowed $2000 from the bank at a rate of 7% simple interest per year. How much interest did he pay in five years?
*Tuesday, November 17, 2015 by Kat*

**Math**

25% of my candies are chocolate candiea i had 25 chocolate candies. How many candies did i have altogether?
*Tuesday, November 17, 2015 by Lee*

**math**

A park planner is designing a rectangular butterfly garden. The plan is for the garden to have an area of 1;917 square feet. If the garden is9 feet wide how long is it
*Tuesday, November 17, 2015 by marlowe*

**math**

a person on a moving sidewalk travels 21 feet in 7 seconds the moving sidewalk has the length of 108 feet how long will it take to move from one end of the sidewalk to the other
*Tuesday, November 17, 2015 by diana*

**Math / Pre-Algebra**

Seriously stuck on this: "Find the LCM of n^3 × t^2 and n × t^4?" 1) n^4 × t^6 2) n^3 × t^6 3) n^3 × t^4 4) n × t^2 Can anyone help? URGENT! NEED THIS ANSWERED TODAY! ASAP!! :( Thanks for your assistance in advance, NatR
*Tuesday, November 17, 2015 by NatR*

**Math**

△ = Triangle If △ABC is similar to △DEF, and angle A is 62 degrees, angle B is 13 degrees, find the measure of angle F. (Also I don't want just the answer, I also want to know how to actually do it so I will know how to do this.)
*Tuesday, November 17, 2015 by Chris*

**Math**

Use the blue and green rectangles. a. Find the ratio of the length of the blue rectangle to the length of the green rectangle. Repeat this for width, perimeter, and area. Blue Length : Green Length = ft : ft = 1 : 2 Blue Width : Green Width = ft : ft = : Blue Perimeter : Green...
*Tuesday, November 17, 2015 by Dehlna*

**math**

if i ran 1&5/8 mile and than later ran 9/10 of a mile what is the amount
*Tuesday, November 17, 2015 by brian*

**math**

Ms. Smith has 190 m of fencing to enclose a rectangular area. a. Write a function to express the total area enclosed as a function of the width. b. State the domain and range of the function. c. Determine the dimensions that give the maximum area.
*Tuesday, November 17, 2015 by XOXOX*

**math**

Sara estimated 23 x 43 using 20 x 40. Sam estimated 23 x 43 using 25 x 40. Will Sara's or Sam's method give an estimate closer to the exact answer?Explain.
*Tuesday, November 17, 2015 by sam*

**math**

A golf practice range has 245 balls. The owner bought a carton of golf balls.How many golf balls does the owner have after buying the carton? Golf Balls 12 balls to a box 15 boxes to a carate 5 crates to a carton pls help by explaining me Thank you
*Tuesday, November 17, 2015 by sam*

**math**

Mike's grandmother opened a savings account in Mike's name and deposited some money into the account. The account pays an annual simple interest rate of 11%. After 13 years, the interest earned on the account is $5720. How much money did Mike's grandmother deposit ...
*Tuesday, November 17, 2015 by jacquie*

**Math**

Write a measurement division story problem for 6 divided by 3/4 and solve.
*Tuesday, November 17, 2015 by Briyanna*

**math**

A simple random sample of 800 individuals provides 250 Yes responses.
*Tuesday, November 17, 2015 by bob*

**math**

how much flour will be needed to make 3 pies if using 1 3/4 cups of flour? i need two ways of solving this question please
*Tuesday, November 17, 2015 by christina*

**Math**

The owners of the clinic invested $400,000. What is the return on investment? Is it adequate
*Tuesday, November 17, 2015 by Regina*

**math**

explain how you can break apart arrays when you multiply by 3
*Tuesday, November 17, 2015 by Lakshmi*

**math**

2. Manufacturer A produces hammers that are normally distributed with a mean weight of 4.6 lb and a standard deviation of 0.8 lb. Manufacturer B produces hammers that are normally distributed with a mean weight of 6.3 lb and a standard deviation of 1.4 lb. (a) What percentage ...
*Tuesday, November 17, 2015 by chloe*

**Math last two questions**

Leslie needs 324 inches of fringe to put around the edge of a tablecloth. The fringe comes in lengths of 10 yards. If Leslie buys 1 package of fringe, how many feet of fringe will she have left over? I figured 1 yard is 3 feet 10 yards is 24 feet 10 feet is 120 inches 20 feet ...
*Tuesday, November 17, 2015 by Patrick*

**Math**

Leah is buying curtains for her bedroom window. She wants the curtains to hang from the top of the window to the floor. The window is 4 feet high. The bottom of the window is 2 and a half feet above the floor. What curtain length in inches should she buy? I added 4 feet to 2 ...
*Tuesday, November 17, 2015 by Patrick*

**Math 1 question plz help asap**

Write an equivalent time using only the smallest unit. 3hrs 14 min A. 74 min B. 166 min C. 180 min D. 194 min I would give u an answer but I don't understand what the question means im asking if you could help me plz
*Tuesday, November 17, 2015 by #AriannaGirl :)*

**math**

If 2 is added to half of a number, the result is one more than the original number. What is the original number?
*Tuesday, November 17, 2015 by ehdz*

**business math**

If the interest rate is 18% per year, why is the total of the interest payments less than 90 dollars?
*Tuesday, November 17, 2015 by Makayla*

**math**

a ball of string is 50 yards long. a shipper uses 5 yards of string to tie packages, the remaining string is then cut into 7 equal pieces. what is the lengths of each of the 7 pieces of string?
*Tuesday, November 17, 2015 by Anonymous*

**MATH CHECK! 1 QUESTION**

Point E is located at (-2,2) and point F is located at (4, -6). What is the distance between points E and F? A. ã52 B. ã28 C. 10 D. ã20 Please show me how it works! I don't understand this question :(
*Tuesday, November 17, 2015 by OHI*

**Math**

It takes a company 4hrs to build 1,300 cell phones. If the company continues working at the same rate, how many hours will it take to bulid 39,000 cell phones?
*Tuesday, November 17, 2015 by Amy*

**Math-Sue**

Olivia ties 2.5 feet of ribbon onto one balloon. How many yards of ribbon does Olivia need for 18 balloons? What would be the process on figuring out the above?
*Tuesday, November 17, 2015 by Patrick*

**Math-Nick**

A jar contains 26 fluid ounces of spaghetti sauce. How many cups of spaghetti sauce do 4 jars contain? How were you able to compute 13 cups?
*Tuesday, November 17, 2015 by Patrick*

**math**

Nina has a stick 5 ft. long. She saw it into 8 equal length pieces. How long will each piece be? Fraction Would it be 5/8 or 8/5 confused
*Tuesday, November 17, 2015 by Andy*

**Pre Algebra Math**

Hi I rlly need someone to check my answers ASAP, and I need help on number 5, im totally fried >.< I can't get any attachments up, but any of you took the Polygons and Angles Quiz? Pretty plz with cherries on the top I need help!
*Tuesday, November 17, 2015 by Kiki *

**math (Calculus III)**

In this example we should use the beta function. But I'm a bit lost, because I don't know how to change the limits of the integral to fit the one that is needed when using B-function. The problem goes like this: integrate cos^7(x) dx, limits of the integral are from 0 ...
*Tuesday, November 17, 2015 by Marie*

**Math**

Which of the following functions is the inverse of the function {(1,2),(3,4),(6,8)}? a. {(6,8),(3,4),(1,2)} b. {(2,1),(4,3),(6,8)} c. {(2,1),(4,3),(8,6)} d. {(2,1),(3,4),(8,6)}***
*Tuesday, November 17, 2015 by Kaai97*

**Math**

Olivia ties 2.5 feet of ribbon onto one balloon. How many yards of ribbon does Olivia need for 18 balloons? I am confused on figuring out how to solve the above problem. 2. Darnell rented a moving truck. The weight of the empty truck was 7,860 pounds. When Darnell filled the ...
*Tuesday, November 17, 2015 by Patrick*

**Math **

1. A bag contains 10 white golf balls and 6 striped golf balls. A golfer wants to add 112 golf balls to the bag. He wants the ratio of white to striped golf balls to remain the same.How many of each should he add? 2. Use cross products to demonstrate whether or not the two ...
*Tuesday, November 17, 2015 by Anonymous *

**Math**

Which of the following functions has an inverse that is not a function? a. (1,1),(1,2),(3,4) b. (1,2),(1,3),(4,3) c. (1,4),(4,5),(5,6) d. (0,0),(1,1),(2,2)
*Tuesday, November 17, 2015 by Kaai97*

**Math**

You are buying orange juice for $4.50 per container and have a gift card worth $7. The function f(x)=4.50x-7 represents your total cost f(x) if you buy x containers of orange juice and use the gift card. How much do you pay to buy 4 containers of orange juice? a. $25 b. $11...
*Tuesday, November 17, 2015 by Kaai97*

**Math**

It takes a company 4 hours to build 1,300 cell phones. If the company continues working at the same rate, how many hours will it take them to build 30,000 cell phones?
*Tuesday, November 17, 2015 by Amy*

**Math**

Determine whether the following relation is a function. {(3,7),(3,8),(3,-2),(3,4),(3,1)} a. It is a function because the ordered pairs all have the same x-value*** b. It is NOT a function because there are multiple y-values paired with a single x-value c. It is a function ...
*Tuesday, November 17, 2015 by Kaai97*

**Math**

A farmer divides 20 acres of land into one fourth acre sections. Into how many sections does the farmer divide her land? Please let me know how do I go about figuring the above?
*Tuesday, November 17, 2015 by Patrick*

**Math**

Samantha has homework in five subjects tonight. She has 15 minutes of science, 20 minutes of math, 30 minutes of reading, 20 minutes of writing, and 15 minutes of geography. If her mom walked in randomly while she was doing her homework, what subject would she most likely see ...
*Tuesday, November 17, 2015 by Anonymous*

**Math**

Leslie needs 324 inches of fringe to put around the edge of a tablecloth. The fringe comes in lengths of 10 yards. If Leslie buys 1 package of fringe, how many feet of fringe will she have left over? 2. A jar contains 26 fluid ounces of spaghetti sauce. How many cups of ...
*Tuesday, November 17, 2015 by Patrick*

**IMPORTANT MATH NEED HELP NOW!!!**

. Evaluate the expression. 2(y + 2) for y = 3 (1 point) –4 8 10 2 2. The cost in dollars of a field trip is 64 + 14n, where n is the number of people attending. What is the cost for 48 people? (1 point) $736 $126 $896 $910 3. Write a word phrase for p – 4. (1 point...
*Tuesday, November 17, 2015 by Eevee*

**math**

Find the slope of the line. (If an answer is undefined, enter UNDEFINED.) −5x + 4y = 10
*Tuesday, November 17, 2015 by ryu*

**Math**

A plant fossil lost 40 % of its carbon-14. How old is the fossil? (Half-life of carbon-14 is 5730 years.)
*Tuesday, November 17, 2015 by meriton*

**Math**

Jake has proven that a function, f(x), is a geometric sequence. How did he prove that? - He showed that an explicit formula can be created - He showed that a recursive formula could be created - He showed that f(n)/f(n-1) was a constant ratio** - He showed that f(n)-f(n-1) was...
*Tuesday, November 17, 2015 by Macey*

**Is 201**

Math Describe a real- world problem that can be solved using the expression 29(3/8+5/6).
*Tuesday, November 17, 2015 by Millie*

**Math**

Use similar triangle to solve. A person who is 6 feet tall standing 140 feet from the base of a tree and the tree casts a 150 foot shadow. The person's shadow is 10 feet in length. What is the height of the tree?
*Tuesday, November 17, 2015 by Luis*

**math plz help**

find the like terms in the expression y+ 1.2y + 1.2z A.y and 1.2y B. 1.2y and 1.2z C. y and 1.2z D. y, 1.2y, and 1.2z
*Tuesday, November 17, 2015 by awesomeguy123*

**math**

A number cube is rolled 24 times and the results are recorded as follows: 2 ones, 10 twos, 6 threes, 3 fours, 1 five, and 2 sixes. What is the experimental probability of rolling an even number?
*Tuesday, November 17, 2015 by Anonymous*