Sunday

December 4, 2016
**math**

A certain number was increased 5 times, then decreased by 3, then halved. The result was 0.3 less than the original number. What was the original number?

*Sunday, October 23, 2016 by tom*

**Math**

Estimate f(5.9) given that f(6)=5 and f′(6)=3.

*Sunday, October 23, 2016 by Ashley*

**Math**

Express the given sums using sigma notation. 1/2+1/2×3+1/3×4+...1/99×100?

*Sunday, October 23, 2016 by Girma*

**math**

John was jogging at a rate of 5mph and he has a one half mile start on Sue who jogs at 7 mph. In how many minutes will it take before they meet?

*Sunday, October 23, 2016 by Donna*

**math calculus**

A poster is to contain 300 (cm square) of printed matter with margins 10cm at the top and bottom and 5cm at each side. Find the overall dimensions if the total area of the poster is minimum.

*Sunday, October 23, 2016 by Aquino,Vanessa Mae*

**EASY MATH FOR 4TH GRADE**

HOW DO YOU MULTIPLY 3,333 and 5?

*Sunday, October 23, 2016 by Anonymous kid (no name pl*

**math please**

Before electricity, nights in towns and fields were often times pitch black, except when there was a full moon. How many times brighter is the noonday sun than the full moon when the moon is at the closest point to the earth? Model the moon as a sphere of radius 1,000 miles (1...

*Sunday, October 23, 2016 by Dip*

**math**

Please help. given the units for four of the six variables, what must be the units of z and y? a=m t=s/K h=N^4 x=m z^a=xh cos(yt)

*Sunday, October 23, 2016 by lexy*

**Math Homework**

The Men's 400 meter race 5th finisher LESLIE DJHONE from France 45.11/ The Women't 400 meter race 5th place finisher was ANASTASIA KAPACHINSKAYA from Russia 50.03. If both of those 5th finishers had completed in the semifinals of the 2013 World Championships with ...

*Sunday, October 23, 2016 by Anonymous*

**math**

An art class is making a mural for their school which has a triangle drawn in the middle. The length of the bottom of the triangle is x. Another side is 10 more than four times the length of the bottom of the triangle. The last side is 3 more than the bottom of the ...

*Sunday, October 23, 2016 by Anonymous*

**math**

Integration: integral (sin2x / rad (1+cos^2 x) ) dx=? integral (x / (x^2 -1)(ln (x^2 -1)) ) dx=?

*Sunday, October 23, 2016 by fab.*

**Math**

Two riders, A and B leave the starting line at the same time. A takes 12 minutes to complete one lap and the B takes 18 minutes. How long in minutes after they will it take for them to meet again at the starting line?

*Sunday, October 23, 2016 by Anonymous*

**math**

Gordon swims 4 metres for every 1 metre Maria swim. By how far in metres will Gordon beat Maria if the race is 50 metres?

*Sunday, October 23, 2016 by Anonymous*

**Math**

A bus leaves Town A on Saturday night and is supposed to arrive at Town B at 08:17 am on Sunday morning. If the estimated journey time is 10 hours 43 minute, at what time on Saturday should the bus leave Town A?

*Sunday, October 23, 2016 by Lin*

**math **

Write 360 as powers of its prime factors

*Sunday, October 23, 2016 by Anonymous*

**math**

write in index form 3/8 x 3/8 x 3/8

*Sunday, October 23, 2016 by Anonymous*

**math**

list the set of: counting numbers from 20 to 30

*Sunday, October 23, 2016 by Anonymous*

**MATH**

A farmer wants to fence a small rectangular yard next to a barn. Fence for side parallel to the barn will cost 50 per foot and the fence for the other two sides will cost20 per foot. The farmer has a total of 2000 dollars to spend on the project. Find the dimensions for the ...

*Sunday, October 23, 2016 by LAY*

**math**

1 1/2(n-4 1/2)=12 Solving equations involving the distributing property

*Saturday, October 22, 2016 by Wossum*

**math**

4. Thomas is at a store buying school clothes. T-shirts are on sale for $13 each and jeans are on sale for $18 each. a) Write an equation that represents the total cost for x T-shirts and y pairs of jeans. I need help with a.. b) Thomas bought six T-shirts and his total bill ...

*Saturday, October 22, 2016 by Sasha*

**Math**

2(p-2 1/3)= 12

*Saturday, October 22, 2016 by Wossum*

**math (horizontal tangent line)**

Determine the point(s) if any at which the graph of the function has a horizontal tangent line. y=x^3+x I graphed this function out and it looks like there isn't any horizontal tangents. Am I correct or am I forgeting something? I tried finding the derivitave of the ...

*Saturday, October 22, 2016 by Ray*

**PLEASE HELP Math**

As a fringe benefit for the past 8 years, Colin's employer has contributed $50 at the end of each month into an employee retirement account for Colin that pays interest at the rate of 8%/year compounded monthly. Colin has also contributed $2,000 at the end of each of the ...

*Saturday, October 22, 2016 by Tammie*

**Present Value Math**

Find the present value of an ordinary annuity of $500 payments each made quarterly over 6 years and earning interest at 8% per year compounded quarterly. $9,456.96 $2,311.44 $24,968.07 $5,264.38 Thank you

*Saturday, October 22, 2016 by Kal Jay*

**Math**

2.6(m+1.9)=6.5 Solving equations involving distributing property

*Saturday, October 22, 2016 by Wossum*

**Math (Calculus)**

Determine if each of the following functions is in Big-O, is Big-Omega and is Big-Theta of x: (Could be multiple) a) f(x)=10 b) f(x)=3x+7 C) f(x)=x^2+x+1 d) f(x)=5log(x) e) f(x)=|x| f) f(x)=x/2 I'm in calc 1 and I have no idea what's it even asking me. Help? Thanks in ...

*Saturday, October 22, 2016 by Ray*

**Math**

12(p-2 1/3)=-8

*Saturday, October 22, 2016 by Wossum*

**Math Homework**

The following frequency table contains the total number of deaths worldwide as a result of earthquakes from 2000 to 2012. Year Deaths 2000 231 2001 21,357 2002 11,685 2003 33,819 2004 228,802 2005 88,003 2006 6,605 2007 712 2008 88,011 2009 1,790 2010 320,120 2011 21,853 2012 ...

*Saturday, October 22, 2016 by Chris*

**Math 7 grade**

The photographer wants to display her photograph in her studio A wall in her studio is 10 ft wide .She wants each picture to be 3 feet apart .If she displays photographs that are 4"wide by 6" high . How many photographs can she display side by side on her wall

*Saturday, October 22, 2016 by Anna*

**Math **

Pierce Publishing sells encyclopedias under two payment plans: cash or installment. Under the installment plan, the customer pays $23/month over 2 yr with interest charged on the balance at a rate of 15%/year compounded monthly. Find the cash price for a set of encyclopedias ...

*Saturday, October 22, 2016 by Kal Jay*

**Math**

A car rental agency charges $35 per day to rent a car and $14.95 per day for a global positioning system (GPS). Customers are charged for their full tank of gas at $3.40 per gallon. A car has a 19 gallon tank and a GPS. a) Write a function rule for ...

*Saturday, October 22, 2016 by Steve*

**math**

A line has a slope of -6 that passes through the point (-12,5). What is the equation of the line? a. 6x + y = -77 <-- or C? b. 6x + y = -67 c.-6x + y = 77 d.-6x + y = 17

*Saturday, October 22, 2016 by Sasha*

**Math**

Suppose you want to fence in a field, and then subdivide it into three equal parts. You have 2400 yards of fencing material to use. What should be the dimensions of one of the three smaller fields, if you want to fence in the maximum area?

*Saturday, October 22, 2016 by sdf*

**Math**

A car rental agency charges $35 per day to rent a car and $14.95 per day for a global positioning system (GPS). Customers are charged for their full tank of gas at $3.40 per gallon. A car has a 19 gallon tank and a GPS. a) Write a function rule for ...

*Saturday, October 22, 2016 by Steve*

**math**

The value of a car decreases at a constant rate. After 1 year the value of the car is $20,000. After 2 more yearsit is $14,000. Write an equation in slope-intercept that represents the value y (in dollars) of the car after x years. What is the y-intercept of the line? In this ...

*Saturday, October 22, 2016 by collin*

**MATH HELP PLEASE I HAVE NEVER BEEN MORE CONFUSED**

The value of a car decreases at a constant rate. After 1 year the value of the car is $20,000. After 2 more yearsit is $14,000. Write an equation in slope-intercept that represents the value y (in dollars) of the car after x years.

*Saturday, October 22, 2016 by sophia*

**math**

The value of a car decreases at a constant rate as it grows older. When the car is 2 years old, it is worth $23,000. When the car is 5 years old it is worth $15,500. Write and equation relating y (value of the car $) to x (age of car).

*Saturday, October 22, 2016 by sophia*

**Math**

Find the accumulated amount A if the principal, P = $3700 is invested at the interest rate r = 7%/year for t = 12.5 years compounded semiannually. Round your answers to two decimal places. a. The accumulated amount is $8544.01. b. The accumulated amount is $8592.56. c...

*Saturday, October 22, 2016 by Jass*

**math**

A model car travels horizontally after being released. The car travels a distaance d metres in a time of t seconds. d is directly proportional to t. The car travels 20 metres in a time of 2 seconds. A.Calculate the distance the car travels in 3 seconds.

*Saturday, October 22, 2016 by Michelle*

**Math, Functionsons**

What is the domain and range of the function f(x)=x^2-2? please teach me..!

*Saturday, October 22, 2016 by Jiwon*

**Math**

Write two that have given absolute value of 4,38,260,4092?

*Saturday, October 22, 2016 by Amberly*

**Math**

What is the distance between 86.25 to -17.75

*Saturday, October 22, 2016 by alice*

**math**

The value of a car decreases at a constant rate. After 1 year the value of the car is $20,000. After 2 more yearsit is $14,000. Write an equation in slope-intercept that represents the value y (in dollars) of the car after x years.

*Saturday, October 22, 2016 by sophia*

**math**

Fishing hook G is let down 2 1/2 times its present depth. where is fishing hook G now? FISHING HOOK G = -6 2/3

*Saturday, October 22, 2016 by alice*

**math**

Fishing hook E is dropped 2.5 times its present depth. where is fishing hook E now? NOTE: FISHING HOOK E is -7.1 is the answer -4.14 or -17.75

*Saturday, October 22, 2016 by alice*

**Math, Functions**

What is the Domain and Range of the function f(x)=2x+1 ? Please teach meeeee!

*Saturday, October 22, 2016 by Jiwon*

**Math, Functions**

If g(t)= 1/t-2-1, how to solve g(t)=0 ...? Please teach me..!

*Saturday, October 22, 2016 by Chris*

**math**

It takes 8 hours for one crew to clean an office building. It takes a second crew 10 hours to clean the same building. If the first crew works 2 hours and leaves and the second crew takes over to complete the job, how long will it take the second crew to finish cleaning the ...

*Saturday, October 22, 2016 by Christos*

**Math**

If there are 35 kids in a class and 22 are girls what is the ratio of girls to boys in the class

*Saturday, October 22, 2016 by Nick*

**Math**

A shopper keeper sold a total of 15 boxes of pencils on Monday and Tuesday. She still three more boxes on Monday then on Tuesday. There were 12 pencils in each box. How many pencils did she sell on Monday?

*Saturday, October 22, 2016 by Gabriella*

**math**

a gardner having 150 meters of fencing materials wishes to enclose a rectangular plot of land and also erect a fence across the land parallel to two of the sides.find the maximum area he can enclose

*Saturday, October 22, 2016 by hemant*

**Math Physics Torque Equilibrium**

A uniform meterstick pivoted at its center has a 100 g mass suspended at the 21.0 cm position. At what position should a 95.0 g mass be suspended to put the system in equilibrium? What mass would have to be suspended at the 80.0 cm position for the system to be in equilibrium?

*Saturday, October 22, 2016 by Brandon*

**math**

A bird beats it's wing 24 times per second. How many times will it beat it's wing in one hour

*Saturday, October 22, 2016 by karen*

**math**

design a container box yhat can be able to hold 15pieces of 4g candiy and has a parabola as the main theme of the design. use the correct mathematical equation in solving for the dimensions of the container.

*Saturday, October 22, 2016 by boyd*

**math**

Raj is deciding between two cell phone plans, A and B, which are both linear functions. The monthly charge for plan A according to the number of minutes used is shown in the table. Monthly Charge for Plan A Minutes used, x Monthly charge ($), y 0 14.45 3 14.84 6 15.23 9 15.62 ...

*Friday, October 21, 2016 by Regina*

**Math**

Which equation(s) represents a proportional relationship? A) y = 5 + x B) y = 4x C) y = 7x² D) y = 2 - x

*Friday, October 21, 2016 by Sara*

**math**

c=65.94ft r=?

*Friday, October 21, 2016 by dipbdrsorali*

**Math**

Luke receives a salary of $200 per week plus a 3% commission on all sales. Last week he sold $2,100 in merchandise. How much did he make that week?

*Friday, October 21, 2016 by Josh*

**Math *corrected myself***

he table shows the population of a school for the years 1992-2008. Year: 1992, 1994 1996, 1998, 2000, 2002, 2004, 2006, 2008 Population: 628, 656, 692,751, 793, 840 ,868, 902, 940 Which is the best prediction for the population in 2012? 1500 1100< or 1500 1175 2010

*Friday, October 21, 2016 by Sasha*

**Math**

The table shows the population of a school for the years 1992-2008. Year: 1992, 1994 1996, 1998, 2000, 2002, 2004, 2006, 2008 Population: 628, 656, 692,751, 793, 840 ,868, 902, 940 Which is the best prediction for the population in 2012? 1000 1100 <--- or 1000? 1150 2010

*Friday, October 21, 2016 by Sasha*

**Math**

3. (2.56 x 10^6) x (3.56 x 10^2) = a. 9.1136 x 10^12 b. 91.136 x 10^8 c. 9.1136 x 10^8 d. 91.136 x 10^12 4. In a recent year, the population of California was about 2.52 x 10^7 people. Its land area is about 4.05 x 10^5 km2. What was the average number of people per square ...

*Friday, October 21, 2016 by Nick*

**Math**

$2,000 principal earning 3%, compounded annually, after 3 years.

*Friday, October 21, 2016 by Dean*

**Math**

Which is the greater amount of money, 120% of 0.3% of $1000 or 120.3% of $1000?

*Friday, October 21, 2016 by Alyssa*

**Math**

A total of 45 412 runners participated in the Vancouver Sun Run. Of these runners, 0.85% completed the run in under 40 min. How many runners completed in under 40 mins? In fact, 0.13% of the runners completed the run in less than 34 min. How many runners were in this group?

*Friday, October 21, 2016 by Anne*

**Math**

In set-builder notation, how do you write the soultions of the inequality? 5x+17>=7 A.{x|x>=2} B.{x|x>=-2} C.{x|x<=-2} D.{x|x<=2} 2. In set-builder notation, how do you write the solutions of the inequality? -4-x>=-2 A. {x|x>=-2 B. {x|x>=2 C. {x|x<=-...

*Friday, October 21, 2016 by Anonymous*

**Math**

For the pair of supply-and-demand equations, where x represents the quantity demanded in units of 1,000 and p is the unit price in dollars, find the equilibrium quantity and the equilibrium price. 2x + 9p - 93 = 0 and 3x - 14p + 108 = 0 a. equilibrium quantity 12,000 units; ...

*Friday, October 21, 2016 by Kal Jay*

**algebra**

someone help please im homeschooled and dont understand math at all, its my weakest subject :( If y varies inversely with x and y = 6 when x = 3, then what is y when x = 2? a.) 9 b.) 12 -im guessing this? c.) 18 d.) 36

*Friday, October 21, 2016 by megann*

**Math**

A manufacturer of 24-hr variable timers, has a monthly fixed cost of $56,000 and a production cost of $9 for each timer manufactured. The units sell for $16 each. Find the break-even point algebraically. a. break-even production 16,000 units; break-even revenue $1,280,000 b. ...

*Friday, October 21, 2016 by Kal Jay*

**Math Please Help**

The demand equation for a certain brand of GPS Navigator is x + 3p - 565 = 0, where x is the quantity demanded per week and p is the wholesale unit price in dollars. The supply equation is x - 16p + 480 = 0, where x is the quantity the supplier will make available in the ...

*Friday, October 21, 2016 by Kal Jay*

**math**

Suppose y varies directly with x and y = 72 when x = 6. What direct variation equation relates x and y? What is the value of y when x = 10?

*Friday, October 21, 2016 by kyle*

**Math**

Three-dimensional tic-tac-toe can be played on three arrays of 3x3 lattice points. To win, three points in a line must be chosen. Examples of such lines are ABC, ADE, AFG, AHI, FHJ. How many different lines can be found?

*Friday, October 21, 2016 by Thomas*

**math**

I'm really struggling with the concept of direct variation and indirect variation. Is there an easy way to explain it and understand it?

*Friday, October 21, 2016 by Carly*

**math**

State whether the lines are parallel, perpendicular, or neither. Show your work.x–5y=103 and –2x=–206–10y i got neither is that right

*Friday, October 21, 2016 by allie*

**Math (Calculus)**

Determine if each of the following functions is in Big-O, is Big-Omega and is Big-Theta of x: (Could be multiple) a) f(x)=10 b) f(x)=3x+7 C) f(x)=x^2+x+1 d) f(x)=5log(x) e) f(x)=|x| f) f(x)=x/2 I'm in calc 1 and I have no idea what's it even asking me. Help? Thanks in ...

*Friday, October 21, 2016 by Ray*

**art**

The math tessellations: unit 4 1. The architectural design was created by: 1. using an organic pattern in the form of tessellation. 2. using a geometric pattern in the form a tessellation. 3. using no definite pattern and placing shapes randomly. 4. using patterns that ...

*Friday, October 21, 2016 by Justin*

**Math**

Why do you have to use estimation to find the number of triangles you need for the string? I was wondering why this question is quite confusing and i was wondering if you can explain it to me in a way i can understand it. I'm not looking for an answer just a more simpler ...

*Friday, October 21, 2016 by Jacob*

**Math PLease Quick!**

Ashley is making cookies the recipe calls for 3/4 of a cup of sugar she needs to make 5 batches of cookies. How many cups of sugar does Ashley need? a. 3 cups b. 3 1/4 cups c. 3 1/2 cups d. 3 3/4 cups***** ***My work*** 3/4 * 5 = 3.75 .75= 3/4 3 3/4 AM I RIGHT?

*Friday, October 21, 2016 by RL GRIME*

**Cost Volume Profit Analysis (Math)**

Margin of safety - 20% Fixed costs - $900,000 Contribution margin - 25% Break-even - 12,000 units Calculate actual total sales revenue. I have been trying this question out in many different ways however I still cannot solve it. Could someone show me the formulas and steps I ...

*Friday, October 21, 2016 by Anonymous*

**Math**

What is an estimate of the solution of the equation 6n+3=2? Use a table ok so I know the answer is -1/6 but its asking to use a table? does anyone know what kind of table you use for this and how I'd use it? thank you soo much

*Friday, October 21, 2016 by Kylie*

**Math**

which number is greater than 5.5 x 10^-7 and less then 5.5 x 10^7? a. 1.8 x 10^-12 b. 6.7 x 10^8 c. 5.2 x 10^3 d. 3.9 x 10^-8

*Friday, October 21, 2016 by Josh*

**Math**

9. A grocer wants to mix a type of spice which costs £22 per kilogram with another type which costs £12 per kilogram, to obtain 20 kilograms of mixture which will cost £15 per kilogram. What quantity of each spice must the grocer take?

*Friday, October 21, 2016 by Alice*

**Math**

What number has 7 tens and 3 less ones than tens?

*Friday, October 21, 2016 by Anonymous*

**Math**

suppose that unit price p in dollars for a quantity demanded X of a certain product of a company is given by p=-0.08+620 (0 <x <14,000). find the revenue function. Find marginal revenue function.

*Friday, October 21, 2016 by Shala*

**Math **

Please help!! This is a really weird question but I'm in a dilemma. My economics teacher doesn't post our marks online so idk what mark I'm actually at in his class. Can anyone help me figure out what percent I'm at right now if I give the following information...

*Friday, October 21, 2016 by Maya *

**Math**

Frank reads at least 24 pages but not more than 36 pages of a book. He reads 12 pages per hour. The number of hours Frank reads p pages is modeled by a function. t(p)= p/12 1.) All real numbers from 2 to 3, inclusive. 2.) All real numbers. 3.) All real ...

*Friday, October 21, 2016 by Jay*

**math**

Which equation is set up correctly to determine the volume of a 3.2 mole sample of oxygen gas at 50°C and 101.325 kPa? V=(3.2 mol)(8.314 L⋅kPa/K⋅mol)(323 K)101.325 kPa V=(3.2 mol)(8.314 L⋅kPa/K⋅mol)(50∘C)1 atm V=(8.314 L⋅kPa/K⋅mol...

*Friday, October 21, 2016 by anonymous*

**Math Help!**

Help me please. Not sure how to solve this. Can someone show me how to do it step by step. -2/5x-9<9/10

*Friday, October 21, 2016 by Amber*

**math**

what is the answer to 1/3 * -1 1/5

*Friday, October 21, 2016 by dude*

**Math **

An automated production line uses distilled water at a rate of 300 gallons every 2 hours to make shampoo. After the line had run for 7 hours, planners noted that 2,500 gallons of distilled water remained in the storage tank. Write a linear equation relating the time in hours x...

*Friday, October 21, 2016 by Anonymous*

**Math **

TOXIC CLEANUP Three months after cleanup began at the dump site, 800 cubic yards of toxic waste had yet to be removed. Two months later, that number had been lowered to 720 cubic yards. a. Write an equation that mathematically describes the linear relationship between the ...

*Friday, October 21, 2016 by Elena Davis *

**math**

the 6th term of a gp is 2000 and it ratio is 10,find it first term

*Friday, October 21, 2016 by Philip*

**math**

A scuba diver dove from the surface of the ocean to an elevation of -79 9/10 feet at a rate of -18.8 feet per minute. After spending 12.75 minutes at that elevation, the diver ascended to an elevation of -28 9/10 feet. The total time for the dive so far was 19 1/8 minutes. ...

*Friday, October 21, 2016 by tiffany*

**Math**

The cost of renting a car from Rent-it Cheap for one day is $29 plus 50 cents per km. For the same period, Thrift Cars charges $37 plus 48 cents per km. When would it be more economical to rent a car from Thrift Cars? from Rent-it-cheap?

*Thursday, October 20, 2016 by Saleeha*

**Math **

Ok I am lost I need help. Describe how you can use a generic rectangle to multiply two numbers. Give an example. I'm just thinking of 22×35

*Thursday, October 20, 2016 by Jessica*

**Math**

9-2(b+3)=4b

*Thursday, October 20, 2016 by Nasra*

**Math**

Jonathan goes running every 2 days and he goes swimming every 5 days today he went and went swimming and how many days will he run and swim in the same day again

*Thursday, October 20, 2016 by Antoine*

**Math **

Please help!! This is a really weird question but I'm in a dilemma. My economics teacher doesn't post our marks online so idk what mark I'm actually at in his class. Can anyone help me figure out what percent I'm at right now if I give the following information...

*Thursday, October 20, 2016 by Maya*

**Math**

This is a Bennett diagram question. If 24 students take music, calculate the number of students who take music and drama and also calculate the number for drama only If 3x + x +7 + x

*Thursday, October 20, 2016 by Chris*

**Math**

The variables p and q have the same numerical value but the opposite sign; that is, one is positive and the other is negative. If -3*p + 4*q is positive, what can you say about p and q?

*Thursday, October 20, 2016 by Mo*

**Math **

What is the answer to use the rule to write the first 12 numbers in the pattern the square root of the pattern in the numbers first rule of 6 first term

*Thursday, October 20, 2016 by Hannah Quarles*