Thursday

October 2, 2014

October 2, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**math**

How is the sentence '4 more than q is -4" written as a equation? A. 4-4+q=0 B. q=4+(-4) C. q+4=-4 D. q-4=4 Is the answer C?
*Monday, September 8, 2014 at 7:58pm*

**MATH**

what is th lomgest multiplication combination you found for each of these numbers
*Monday, September 8, 2014 at 7:45pm*

**math**

Which set of numbers is ordered correctly from least to greatest? A. 0,-3,-[4],[-5],8 B. 8,[-5],-[4],-3,0 C. -[4],-3,0,[-5],8 D, [-5],-[4],-3,0,8 Is the answer A?
*Monday, September 8, 2014 at 7:39pm*

** Math**

The density, d, of an object is given by the following formula, where m represents the mass of the object and V represents the volume of the object. Heather was asked to find the density of a brick given the mass in kilograms and the dimensions of the brick in meters. She ...
*Monday, September 8, 2014 at 7:35pm*

**math**

What is the function rule for input x 1,2,3,4,5,6 and output 0,1,3,6,10,15? Thanks
*Monday, September 8, 2014 at 7:33pm*

**math**

a drop of water is 0.00005 liter. write this number in scientific notation.
*Monday, September 8, 2014 at 7:20pm*

**math**

How is the sentence "9 less than x is -1" written as an equation? A. 9-x=-1 B. x-9=-1 C. x-9=1 D. x-1=9 Is the answer B?
*Monday, September 8, 2014 at 7:20pm*

**Math**

There are 18 students in the classroom. There ate 2 students in each group. How many groups of students are there?
*Monday, September 8, 2014 at 7:06pm*

**math**

Al's Rental's charges $25 per hour to rent a sailboard and a wet suit. Wendy's rentals charges $20 per hour plus $15 for a wet suit. Find the number of hours for which the total charges for both companies would be the same.
*Monday, September 8, 2014 at 6:59pm*

**Math - Very urgent.**

Use prime factors to find the LCD for each pair of fractions. a) 1/4, 1/8 b)1/6, 1/18
*Monday, September 8, 2014 at 6:55pm*

**Math**

What benchmark would you use to estimate the number of people that can ride on a bus?
*Monday, September 8, 2014 at 6:48pm*

**math**

write 2.18 as a mixed number in simplest form
*Monday, September 8, 2014 at 6:37pm*

**math**

How much clindamycin powder is in 3% Clindagel 30 g?
*Monday, September 8, 2014 at 6:20pm*

**Math 4th grade**

9,924 9 is the underline digit round each digit... I think it's 10,000
*Monday, September 8, 2014 at 6:15pm*

**4th grade math**

128,955 . Round each number to the place of the underllined digit. 8 is the underlined digit
*Monday, September 8, 2014 at 6:08pm*

**Math fractions**

Nata spent $28 on 2 DVDs. At this rate, how much would 5 DVDs cost? At what rate did she spend her money?
*Monday, September 8, 2014 at 6:00pm*

**Math**

What is a rational number
*Monday, September 8, 2014 at 5:57pm*

**Math**

17 0 -4 33 -11 -24 Place the numbers from the list in the appropriate space in the second column and compute your score 1/4 point for each natural number 17, 33. Score:1/2 3 points for each odd integer 17,0,3,-11. Score 12 1/2 point for each whole number less than 20 17,0 ...
*Monday, September 8, 2014 at 5:43pm*

**math 3**

is it possible for a number to be a rational number that is not an integer but is a whole number? explain
*Monday, September 8, 2014 at 5:37pm*

**Math Proof**

Prove: let alpha be a lower bound of a subset E of an ordered set S. If alpha exist in E, then alpha= infE(greatest lower bound of E). PF: Already have alpha is a lower bound of E. Let lambda be a different lower bound of E. If alpha precedes lambda, the lambda will not be a ...
*Monday, September 8, 2014 at 5:36pm*

**math 2**

explain how a venn diagram in this lesson shows that all integers and all whole numbers are rational numbers.
*Monday, September 8, 2014 at 5:36pm*

**math 2**

da marcus says the number 24/6 belongs only to the set of rational numbers. explain his error.
*Monday, September 8, 2014 at 5:33pm*

**Math - Very urgent.**

Use multiples to find the LCD for each pair of fractions. a) 1/2, 1/3 b) 1/4, 1/5
*Monday, September 8, 2014 at 5:23pm*

**Math Proof**

Prove that square root of 12 is irrational. **I don't know if I did this correctly PF: By contrapositive, assume sqrt(12) is rational. Then there exist an a,b as integers such that a/b is written in the lowest terms, and sqrt(12)=a/b. Then by squaring both sides, 12=a^2/b^...
*Monday, September 8, 2014 at 5:18pm*

**Math**

What will be the total deduction for social security and Medicare taxes on Lily's next monthly paycheck of $3,260 if she has already earned $29,340 this year? Social security tax is 6.2% of wages up to $106,800. Medicare tax is 1.45% of all wages.
*Monday, September 8, 2014 at 5:08pm*

**math**

How many liters of a 2.5% bleach solution must be mixed with a 10% bleach solution to produce 600 ml of a 5% bleach solution?
*Monday, September 8, 2014 at 5:06pm*

**math**

Belle had the choice of taking out a four year car loan at 8.5% simple interest or a Five year loan at 7.75% simple interest. If she borrows $15,000, how much interest would she pay for each loan? Which option requires less interest?
*Monday, September 8, 2014 at 5:05pm*

**MATH HELP**

a warehouse has 46 truckloads of recycled plastic. they use 8 truckloads each day. when there are a fewer than 16 truckloads, more needs to be ordered. figure out how many truckloads will be left after 2 days.. after 3 days when will more need to be ordered?
*Monday, September 8, 2014 at 5:01pm*

**math**

What units would you use to measure the length of a wall?
*Monday, September 8, 2014 at 4:44pm*

**math**

Which set of points are on the line y = 6x - 1? {(0, -1), (29, 5)} {(0, -1), (5, 29)} {(-1, 0), (29, 5)} {(-1, 0), (5, 29)}
*Monday, September 8, 2014 at 4:41pm*

**math**

Identify the solution(s) of the system of equations, if any. 6x + 4y = 0 y = 3 - 3x (–3, –2) (–3, 2) (–2, –3) (2, –3)
*Monday, September 8, 2014 at 4:40pm*

**Math Proof**

If c is rational, c does not = 0, and x is irrational, then cx and c+x are irrational.
*Monday, September 8, 2014 at 4:40pm*

**math problem solving**

a warehouse has 46 truckloads of recycled plastic. they use 8 truckloads each day. when there are a fewer than 16 truckloads, more needs to be ordered. figure out how many truckloads will be left after 2 days.. after 3 days when will more need to be ordered?
*Monday, September 8, 2014 at 4:27pm*

**math**

Simplify. (6x)2
*Monday, September 8, 2014 at 4:06pm*

**math**

Which property is shown by 2+0=2? A. Associative property of addition B. Commutative property of addition C. Distributive property D. Identity property of addition Is the answer B?
*Monday, September 8, 2014 at 3:29pm*

**math**

Identify the solution(s) of the system of equations, if any. 6x + 4y = 0 y = 3 - 3x
*Monday, September 8, 2014 at 3:27pm*

**math**

the rational root of the equation 2x³ - x² - 4x + 2 = 0 is
*Monday, September 8, 2014 at 3:26pm*

**math**

if 4x³ + 8x² - x - 2 = 0 then the value of (2x + 3) is given by
*Monday, September 8, 2014 at 3:24pm*

**math**

Identify the solution(s) of the system of equations, if any. x + 3y = 7 6x - 9y = 6
*Monday, September 8, 2014 at 3:08pm*

**math 1 question**

Simplify the following expression: 5^2 - 4 / 5 +2 is it 3 or 26.2, i dont know which one, im confused.
*Monday, September 8, 2014 at 3:05pm*

**Math**

Convert this measurement to hundreth of a kilometre. 26 mi 385 yd. Could you please show formula on how you got this answer? I am stuck I keep getting the answer as 16 km but the answer is supposed to be 42.19 km Thank you
*Monday, September 8, 2014 at 2:48pm*

**Math**

1. What is the sale price of a music CD that is sold in a retail store for 25% off of the original price of $16? A. $4 B. $12 C. $16 D. $13 My answer is A. 2. What is the percentage markup on the cost of a drill bit set if the cost is $75 and the set is sold for a retail price...
*Monday, September 8, 2014 at 1:48pm*

**Math**

A media company divides 1 million copies of a new music CD into 100 equal groups before sipping the CD to 100 stores .how many CDs is the company shippi ng to each store? Please help me , i don't know the answer. Write the value of the underlined digit. 76,982 the value 9...
*Monday, September 8, 2014 at 1:34pm*

**math**

Rainfall for September in Fiji averages 11" according to World Travel Guide. This year it rained 3% less. How many inches did it rain this year? (Round to the nearest tenth.)
*Monday, September 8, 2014 at 11:59am*

**math**

In a triangle ABC a:b:c =4:5:6 then 3A+B=?
*Monday, September 8, 2014 at 11:50am*

**math**

Order of Magnitude (I'm not quite understanding it) 1) trying to 0.0000000734 estimated as the product with a single digit power of 10.*No multiple choice* 2) Trying to find the numbers that a greater than 7 x 10^-4 (Choose more than one answer type question) - 8 x 10^-4...
*Monday, September 8, 2014 at 11:14am*

**Math**

What is the parent function for h from h(x) = 4x?
*Monday, September 8, 2014 at 11:05am*

**math**

Consider the following system of equations. y = 2x - 2 y - 2x = 7 What can you conclude about the system of equations? The system of equations is inconsistent. The system of equations is dependent. The system of equations is independent. none of these
*Monday, September 8, 2014 at 11:00am*

**math**

A clothing store offers a 60% discount on all purchases. What is the discount in dollars (before tax) for an item originally costing $18.00 dollars?
*Monday, September 8, 2014 at 9:57am*

**math**

the expression that is equivalent to -6(x - 6).
*Monday, September 8, 2014 at 9:51am*

**math check answers**

1. If the price of a new digital media player is $249.99 and the cost to the store that sells it is $150, what is the markup of this electronic item? A. $100 B. $98.99 C. $99.99 D. $89.99 My answer C 2. What is the percentage markup of a digital media player that a store pays...
*Monday, September 8, 2014 at 9:44am*

**math**

A) Use numerals to write a ten digit number using the following information: - digit 5 is in millions, thousands and ones place -digit 7 is in hundred millions place -digit 8 is in hundred thousand place -digit 1 is in tens place -digit 4 in in billions place -digit 2 is in ...
*Monday, September 8, 2014 at 9:28am*

**math proportions**

What is 1000/x = 25/64
*Monday, September 8, 2014 at 8:56am*

**Math**

The exponential is Y= 800(2(^0.25x) rearrange the equation for x
*Monday, September 8, 2014 at 8:02am*

**Math**

in 1626 peter minuit purchase manhattan island for $24. Assuming an exponential rate of inflation of 6% per year, how much will manhattan be worth in 2013 ?
*Monday, September 8, 2014 at 6:49am*

**math**

There are 40 students. 16 students missed class. What % of students attended class
*Monday, September 8, 2014 at 1:30am*

**math**

You can sell 170 pet chias per week if they are marked at $1 each, but only 160 each week if they are marked at $2/chia. Your chia supplier is prepared to sell you 80 chias each week if they are marked at $1/chia, and 170 each week if they are marked at $2 per chia.
*Monday, September 8, 2014 at 12:01am*

**math**

6/ 4 1/5=?/12 1/2=17 6/7 I cannot figure out how to get this 17 & 6/7 as an answer
*Sunday, September 7, 2014 at 10:59pm*

**math**

A merchant blends tea that sells for $4.40 a pound with tea that sells for $2.30 a pound to produce 120 lb of a mixture that sells for $3.00 a pound. How many pounds of each type of tea does the merchant use in the blend?
*Sunday, September 7, 2014 at 10:42pm*

**Math**

How many x-intercepts and how many local extrema does the polynomial P(x)= x(sqrt)3-4x have? How many x-intercepts and how many local extrema does the polynomial Q(x)=x^3-4x have? and If a>0, how many x-intercepts and how many local extrema does each of the polynomials P(x...
*Sunday, September 7, 2014 at 10:41pm*

**math**

18s^9 t^3 - 2s^9 t^2 = 9 can anyone explain pleases,thanks
*Sunday, September 7, 2014 at 10:14pm*

**Calculus-Math**

f(x) = (1/2)x ln(x^6) (−1, 0) (a) Find an equation of the tangent line to the graph of f at the given point. y=
*Sunday, September 7, 2014 at 10:10pm*

**Math**

P;ease help me with the steps to solve this ratio 34:20=2:?
*Sunday, September 7, 2014 at 9:36pm*

**8th grade math**

How do you express 3.16 x 10 to the 3rd power in standard decimal notation form.
*Sunday, September 7, 2014 at 9:30pm*

**math**

341- blank = a number between 115 and 120
*Sunday, September 7, 2014 at 9:29pm*

**math**

One cubic meter (1.00 m3) of aluminum has a mass of 2.70E+3kg, and 1.00m3 of silver has a mass of 1.05E+4kg. Find the radius of an aluminum sphere whose mass is the same as that of an silver sphere of radius 1.07cm.
*Sunday, September 7, 2014 at 9:24pm*

**Math**

Please ,look the Q and answers (Nnn) ..
*Sunday, September 7, 2014 at 9:22pm*

**math**

What is 12p^7 - 2p^7
*Sunday, September 7, 2014 at 9:05pm*

**math**

The least common multiple of two numbers is 60, and one number is 7 less than the other number. What are the numbers? Justify your answer.
*Sunday, September 7, 2014 at 8:50pm*

**math**

How would you write the verbal representation of a decimal?
*Sunday, September 7, 2014 at 8:43pm*

**math**

4÷√2 = ?
*Sunday, September 7, 2014 at 8:25pm*

**business math**

. Ludwig borrowed $8,000 on July 20, at 11% interest. If the loan was due on October 17, what was the amount of interest on the loan using the exact interest method?
*Sunday, September 7, 2014 at 5:55pm*

**Quick math help**

Points EC bisects points AD at C. For each of the following, find the value of 'x' and the measure of the indicated segment. Please correct me if I'm wrong! 1. AC= 3x+6 and CD=2x+14 x=_______ AC=______ Answer: x=8 AC= 30 2. AC= 5x-8 and CD=16-3x x=______ AD=_____ ...
*Sunday, September 7, 2014 at 5:41pm*

**Math - Urgent**

Determine how each multiplication or division pattern is formed. Then write the next two numbers a) 81, -27, 9 ... b) 5, -20, 80...
*Sunday, September 7, 2014 at 5:21pm*

**math**

Find an equation of the line that satisfies the given conditions. Through (−7, −12); perpendicular to the line passing through (−4, 0) and (0, −2)
*Sunday, September 7, 2014 at 5:19pm*

**Math**

"How big is 1 million? How many ones are there in 1,000,000? Answer1: 1 Answer2: 1000,1000 How many hundreds are there in 1 million ? Answer1: 10,000 Answer2: 100 How many hundred thousands are in 1 million ? Answer1: 10 Answer2: 100,000 How many ten thousands are there ...
*Sunday, September 7, 2014 at 5:17pm*

**Math**

Ok so... -4 (2 +8) = (-4 • 2) + (-4 •N) What would N be?
*Sunday, September 7, 2014 at 4:55pm*

**science/math (mean)**

Find the mean Sample Value 1- 41.93 2- 12.55 3- 48.07 4- 90.81 5- 18.45 6- 55.81 I came up with 44.60 the online program "said close but check to see if yo made a round error" and at least three decimal places
*Sunday, September 7, 2014 at 4:51pm*

**math**

Jerry King is a server in a restaurant that pays a salary of $22 per day. He also averages tips of 18% of his total gross food orders. Last week he worked 6 days and had total food orders of $2,766.50. What was his total gross pay for the week?
*Sunday, September 7, 2014 at 4:49pm*

**math 8**

5. 8^3 * 8^7 (simplify) 11. ((5/8))^3 (simplify) 12. ((-2/9)^3)^5 16. 3^2 * 3^x = 3^12
*Sunday, September 7, 2014 at 4:16pm*

**C programming**

I am suppose to create a code that uses the pow function in math.h to calculate the hyperbolic cosine when the user inputs an angle x. the equation I have to use is cosh x= e^x + e^-x /2 can someone check my code. I am not sure what i am doing wrong. do I have to declare the ...
*Sunday, September 7, 2014 at 3:54pm*

**math 12**

Here is question on an math assignment I was given, I have no clue what it is even asking. It's a Challenge Yourself question, I've typed it exactly how it is on my paper: A student is having difficult figuring out what is wrong with his proof: Let C=D C^2=CD C^2 - D^2...
*Sunday, September 7, 2014 at 3:24pm*

**math**

Given that: 4(2g + 104) - 96 = 504 + 6(g - 14), solve for g. i'm confused on how to set this problem up - if anyone could help that would be great. thank you.
*Sunday, September 7, 2014 at 2:56pm*

**math**

A rectangular box is to have a square base and a volume of 30 ft3. The material for the base costs 33¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 24¢/ft2. Letting x denote the length of one side of the base, find a function...
*Sunday, September 7, 2014 at 2:46pm*

**math**

If 1mechanic can do 4 machines in 6 hours how many machines can 48 mechanics do in 160 hours?
*Sunday, September 7, 2014 at 2:03pm*

**Math**

When graphing,do I always have to number the scale with a1first?
*Sunday, September 7, 2014 at 1:56pm*

**Math**

Mary has nickels, dimes and quarters worth $12:85. If the number of dimes and the number of quarters is more than twice the number of dimes, how many more dimes are there.
*Sunday, September 7, 2014 at 1:38pm*

**Math**

Does randomization relate to real world data?
*Sunday, September 7, 2014 at 1:37pm*

**Math**

Sadiq dropped his watch into a lake. The depth of the lake is 5 meters. Sadiq can dive down towards the bottom of the lake at a speed of 2 meters per second, but can swim upwards at a rate of 1 meter per second. How long will it take Sadiq to get his watch and return to the ...
*Sunday, September 7, 2014 at 12:48pm*

**Math**

What would be the new ordered pairs of reflecting the figure formed by (-1, 5), (-2, 2), (3, 2), and (2, 5)?
*Sunday, September 7, 2014 at 12:44pm*

**Math - Urgent**

The air temperature is -10 degree Celsius. With the wind blowing at a speed of 15 km/h, this temperate feels like -17 degrees Celsius. How many degrees does the temperature change because pf the wind chill?
*Sunday, September 7, 2014 at 11:13am*

**math**

Find the area of a segment AYB if radius of a circle is 21cm angle AOB is equal to 120degree.
*Sunday, September 7, 2014 at 10:27am*

**math**

The dimension of a closed cuboid box are in the ratio 5:4:3 if the total surface area is 0.94m^2,find the dimension of the box.
*Sunday, September 7, 2014 at 10:24am*

**Math**

Andy plans to build a rectangular dog pen in his backyard. A portion of the back wall of his house will serve as one side of the dog pen. If the perimeter of the dog pen must be 40 feet, which of the following widths will result in the maximum area? A. 6 ft B. 8 ft C. 10 ft D...
*Sunday, September 7, 2014 at 9:51am*

**math**

what is a five digit number less than 25,000 if each digits' value is one less than the digit to its right and is divisible by two and four
*Sunday, September 7, 2014 at 9:39am*

**math**

the average attendance of a class from monday to wednesday was 39 and that from wednesday to saturday was 39.5. What was the attendance on wednesday, if the average attendance from monday to saturday was 40 I did this:- m+t+w/3=39 w+Th+F+S/4=39.5 m+t+w+Th+F+S/6=40...
*Sunday, September 7, 2014 at 7:25am*

**Math**

john and bryan share rs 1500. if john gets twice as much as bryan. how much money does bryan have ?
*Sunday, September 7, 2014 at 7:16am*

**math**

show that csc2 theta - tan2 (90 deg - theta) = sin2 theta + sin2 (90 deg - theta)
*Sunday, September 7, 2014 at 4:47am*

**Math**

Find the exact value of sin(A+B) when angle A is arcsin(8/17) and angle B is arcsin(5/13)
*Sunday, September 7, 2014 at 2:32am*

**Math**

Market research tells you that if you set the price of an item @ 1.50, you will be able to sell 5000 items; and for every 10 cents you lower the price below 1.50 you will be able to sell another 1000 items. Let x be the # of items you can sell, and P = the price of an item. A...
*Sunday, September 7, 2014 at 2:00am*

Pages: <<Prev | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | **14** | 15 | 16 | 17 | 18 | 19 | 20 | Next>>

Post a New Question | Current Questions