Homework Help: Math

Branches of Math

Recent Homework Questions About Math

math
A publisher prints and sells both hardcover and paperback copies of the same book. Two machines M and N are needed to manufacture these books. To produce one hardcover copy,machine M works 1/6 hours and N works 1/12 hours. For a paperback copy M and N work 1/15 and 1/16 hours ...
Monday, March 18, 2013 at 4:17pm

math
3.7^2
Monday, March 18, 2013 at 4:12pm

math
find the inverse function of h ^-1(x)
Monday, March 18, 2013 at 3:37pm

Propability
Briefly summarize the experimental design for deciding whether a proposed treatment should go on for further study. Note where independence came into play. If you were more conservative and reject the treatment only if the probability that it is 30% effective is less than .05...
Monday, March 18, 2013 at 3:28pm

math
2log[base3]9 = ?
Monday, March 18, 2013 at 3:10pm

Math
Principal 450.00 x interest rate 9.25 x compounded monthly x 4 years
Monday, March 18, 2013 at 3:08pm

math 140
A football team gained 12 yards on one play, lost 40 yards on another, and gained 34 yards on the last play of the first half. They had already gained 345 already during the half. What was the total yardage gain for the first half?
Monday, March 18, 2013 at 2:33pm

math 140
There were 610 people at a play. The admission price was $3.00 for adults and $1.00 for children. The admission receipts were $1,250.00. How many adults and children attended?
Monday, March 18, 2013 at 2:25pm

math 140
The math scores of a math test for five students were posted on the bulletin board. The students' names are Rod, Penny ,Jake, and Fred. Rod and Fred scored the same number of points. Penny did not get the highest score. John's score was 5 points lower than Jack's. ...
Monday, March 18, 2013 at 2:22pm

math
I have an average of 66.67 i need a 70percent to pass the class, what do i need to get on thenext test?
Monday, March 18, 2013 at 1:48pm

math
I have an average of 66.67 i need a 70percent to pass the class, what do i need to get on thenext test?
Monday, March 18, 2013 at 1:46pm

MATH
The life cycle cost of the BLUEBIRD system is $600 million. The program acquisition cost is $400 million and the development cost is $150 million. There are no facilities costs. What is the procurement cost of the BLUEBIRD system? $200 million $150 million $250 million $100 ...
Monday, March 18, 2013 at 1:32pm

math
1. If 96% of Chinese couples have one child (which is female 50% of the time), and the remaining 4% of Chinese couples engage in sex-selective abortion until they have a male child, what is the ratio of females per 100 males among the children (to the nearest whole number)?
Monday, March 18, 2013 at 1:06pm

math
how do you solve: input __ 16 22 50 8 30 output 10 11 14 28 __ 18 (hint: divide and add)
Monday, March 18, 2013 at 12:58pm

Math
Precalc (1+i)^3 and the cube root of 8i
Monday, March 18, 2013 at 12:46pm

7th Grade Math
What is arithmetic and geometric sequences?
Monday, March 18, 2013 at 12:43pm

math
A community college has 2,000 students and 50 instructors. Next year the enrollment will be 6,000. How many new instructors should be hired if the college wants to keep the same studentto instructor ratio?
Monday, March 18, 2013 at 12:39pm

math
find the coefficient of x^29 in the expansion (1+2x)^12 .(1+x)^18
Monday, March 18, 2013 at 12:32pm

math
a right triangle has an acute angle(theta) suck that cot(theta)=15. find cos(theta)
Monday, March 18, 2013 at 11:43am

math
in triangle ABC ,D and E are the midpoint of line AB andAC resp.angle A=angleB=angleC=angleD=60° DE=5cm find the perimeter of triangleABC.
Monday, March 18, 2013 at 11:39am

Math
Teo rectangles with dimensions 8cm by 10cm and 9cm by 12cm partly cover each other(see the diagram). the grey area 37cm2. what is the area of the shape marked by dots? How can I upload diagram?
Monday, March 18, 2013 at 10:51am

Math
The volume of a cylinder is given by formula V= pi(3.14) r^2h where r is base radius and h is height a) the height of a cylinder of radius 5cm and volume 500. Cm^3 B) radius of base of a cylinder of volume 300 cm^3 and height 10 cm Our teacher didnt really start explaining ...
Monday, March 18, 2013 at 10:31am

math
A box consists of white,yellow,green and black balls, in the ratio 2,3,1,6.Total number of balls are 432.How many yellow balls in the box
Monday, March 18, 2013 at 10:24am

Math
Do you think regular or irregular polygons are used more frequently in the design of objects and buildings in the world???
Monday, March 18, 2013 at 10:07am

math
A basket contains 15 red numbered balls and 10 white numbered balls. A sample of five balls is selected. How many samples contain three red balls and two white balls? Explain your answer.
Monday, March 18, 2013 at 9:56am

math
A sequence is generated by the recurrence relation Ur+1 = 1/Ur -3. Given that U2 = U1 find the possible of U1
Monday, March 18, 2013 at 4:10am

math
A cube has 8 vertices. For each pair of distinct vertices, we connect them up with a line segment. There are (8 2 )=28 such line segments. For each of these 28 line segments, we mark the midpoint. How many distinct points have been marked as the midpoints?
Monday, March 18, 2013 at 4:08am

math
a species of orchid is being studied. The population 'p' at time 't' years after the study started is assumed to be p = 2800ae^0.2t/1 + ae^0.2t where 'a' is a constant. Given tnat there were 300 orchids when the study started. a. show that a =0.12 b. ...
Monday, March 18, 2013 at 4:05am

Limit Math
Evaluate lim x→∞ 2x/(√(x^2+3)-4) in words 2x divide by(root(xsq +3) -4)
Monday, March 18, 2013 at 3:45am

Math Geometry
A cube has 8 vertices. For each pair of distinct vertices, we connect them up with a line segment. There are (8) (2) =28 such line segments. For each of these 28 line segments, we mark the midpoint. How many distinct points have been marked as the midpoints?
Monday, March 18, 2013 at 2:56am

Math
If someone is renting a truck that has a 40 gallon tank and it gets 10 miles per gallon and they are traveling 252 miles, what will they pay for gas for the trip?
Monday, March 18, 2013 at 1:08am

math
the letters g and g stand for numbers. if g + 9=h + 9, what is true about g and h?
Monday, March 18, 2013 at 1:06am

math
the increasing global temperature can be modeled by I=0.1e^(0.02t) where I is the increase in global temperature in degrees Celsius since 1990 and t is the number of years since 1990. How much warmer was it in 2000 than in 1950? iIn what year will the temp be 4 degrees Celsius...
Monday, March 18, 2013 at 12:40am

math
10^(-10log3) How to solve this???
Sunday, March 17, 2013 at 11:52pm

Math
Make a tree diagram of all the possible arrangements of the word veer
Sunday, March 17, 2013 at 11:19pm

Math
5/4 + 7/4 x cos(2x)+ 3/4 x cos(4x)- 1/8 x cos(2x) x cos(4x)
Sunday, March 17, 2013 at 11:13pm

math
Give an example of a logarithmic equation that cannot be solved and explain why it cannot be solved. (3 marks)
Sunday, March 17, 2013 at 11:04pm

math
The value, V, of a $25000 vehicle after y years is given by V = 25000 (0.85)y What is the rate of depreciation? (1 mark) What will the car be worth after 5 years? (1 mark) To the nearest month, how long would it take to reduce the vehicle’s value to 10% of its original ...
Sunday, March 17, 2013 at 11:03pm

math
A quantity of oxygen gas had 16.32 g of the radioactive isotope oxygen-19 in it. When measured exactly 10 minutes later, the amount of oxygen-19 was 0.964 g. What is the half-life, in seconds, of oxygen-19?
Sunday, March 17, 2013 at 11:03pm

math
Is there a way to prove this in upwards of 5 steps? Apparently there is?? Prove. 2^n + 2^n = 2^(n+1) I posted this before however apparently I need something more indepth in terms of the # of steps.
Sunday, March 17, 2013 at 10:56pm

Math
Rewrite in terms of an expression containing only cosines to the power 1. 4 cos^6x
Sunday, March 17, 2013 at 10:56pm

College Math
A ice cream shop sells 4 flavors of ice cream, assume that all orders of two scoops are equally likely, what is the probability that in an order of two scoops both are of the same flavor?
Sunday, March 17, 2013 at 10:49pm

math
There is a picture with stacked cubes that are each 2inches. + ++ +++ ++++ +=the pic i have of cubes=(+=2in cube) Each side of a cube in the diagram measures 2 inches. What is the total surface area and volume of the solid? I did A=s squared A=2 squared A= 4inch squared SA= 4(...
Sunday, March 17, 2013 at 9:38pm

math
Hi im trying to help my daughter figure out the area and perimeter of her bdrm which is 11'3 * 17'
Sunday, March 17, 2013 at 9:32pm

Math
7.24 multiplied by 3.4. Find the solution and round to the tenths. I'm confused I have two answers
Sunday, March 17, 2013 at 9:14pm

math
an adult whale weighs 120 tons. a baby blue whale weighs 1/40 of the weight of the adult blue whale. how many pounds does the baby blue whle weigh?
Sunday, March 17, 2013 at 9:10pm

math
a bag contains lettered tiles, two for each letter of the alphabet. What is the probability of drawing a tile with the letter A? express the probability ratio as a fraction and as a decimal rounded to the nearest hundredth
Sunday, March 17, 2013 at 9:03pm

math
Find the base of a triangle whose area is 60in squared and whose height is 6 inches I did 1/2 bh=A 60=3b so b=60/3 b=20 then check so A=1/2bh A=1/2(20)6 A=1/2(120) A=60in squared is this correct?
Sunday, March 17, 2013 at 7:47pm

math 5th grade
fay is making 13 bows to sell at the annual craft fair. she has 36 feet of ribbons to make her bows. if each bow requires 2 and 1\4 feet of ribbon,how much ribbon will not be used
Sunday, March 17, 2013 at 7:34pm

math
Is it possible to set up a time to do a live chat with a tutor here? like for 15-20 min or so. I have a few questions, nothing major but would like to have answers explained to me/ any additional questions I have. Would be cool, i understand it is asking for alot.
Sunday, March 17, 2013 at 6:50pm

math
if a triangle has legs of 9in. and 12in. What is the length of the hypotenuse
Sunday, March 17, 2013 at 6:49pm

math
about how many years will it take for $1,800 to reach $2,500 at a simple interest rate of 4%?
Sunday, March 17, 2013 at 6:48pm

Math Ms. Sue please
4. Which of the following is true about a trend line for data? (1 point) The minimum data point always lies on the trend line. Every data point must lie on the trend line. The trend line describes the pattern in the data if one exists. The trend line includes the effect of all...
Sunday, March 17, 2013 at 6:38pm

math
What is the exact circular function value for tan pi/4
Sunday, March 17, 2013 at 5:14pm

Math- PLEASE HELP
MS Wilkens went to the gas station to fill her car. Her gas tank is 20% full. The cost of gas is $4.29 per gallon. How much will itcost to fill the tank? Use the conversion 1 gallon=231 in cubed. They showed a pic. of a tank with length=1.75ft width=1.25 ft height=11 in I did ...
Sunday, March 17, 2013 at 4:43pm

Math
A spherical container 15cm in diameter is half full of acid.the acid is poured into a tall cylindrical beaker of diameter 6cm how deep is the acid in the beaker
Sunday, March 17, 2013 at 4:31pm

math
1/xc^2+b/x(c+x++5/x^2c^2 I need to know how to solve this.please help.
Sunday, March 17, 2013 at 4:22pm

math
find the monthly payment for the loan. Finance $ 750.000 for a warehouse with a 9.50% 30 year loan.
Sunday, March 17, 2013 at 3:06pm

Math
Belmont Records produces DVD records. The fixed costs for producing a record are $160,000, and unit cost amount to 85 cents per record. The revenue is $5 per DVD. (a) How many DVDs must be sold in order to break even? (b) Find the profit or loss if 20,000 DVDs are sold. (c) ...
Sunday, March 17, 2013 at 2:35pm

math
Annual demand for the notebook binders that Ted's Stationery Shop sells is 10,000 units. Ted operates his business on a 200-work-day year. The unit cost of a binder is $2, and the cost of placing an order with his supplier is $0.40. The cost of carrying a binder in ...
Sunday, March 17, 2013 at 2:30pm

math - calculus BC
find a power series representation of: f(x)=((x^2)-1)*sin(x)
Sunday, March 17, 2013 at 1:49pm

College Chemistry/Lab Math
I think I have this problem figured out correctly, but is there anyone who can tell me if I'm doing something wrong. The question is... "One troy ounce of gold is worth $380. There are 33.8 grams per troy ounce. You have a stock colloidal solution of a very fine gold ...
Sunday, March 17, 2013 at 1:46pm

Math- checking
(2x+1)/5 - (x+3)/2. < 4x+10
Sunday, March 17, 2013 at 1:37pm

math
Karen and Wayne need to buy a refrigerator because theirs just broke. Unfortunately, their savings account is depleted, and they will need to borrow money in order to buy a new one. Sears offers them an installment loan at 15% (add-on rate). If the refrigerator at Sears costs...
Sunday, March 17, 2013 at 1:15pm

math
Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of $42,100 with factory and dealer rebates of $5,100 (a) Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the nearest cent.) $ 1 (b) ...
Sunday, March 17, 2013 at 12:36pm

math
From a survey of 100 college students, a marketing research company found that 85 students owned iPods, 45 owned cars, and 35 owned both cars and iPods. (a) How many students owned either a car or an iPod (but not both)? 1 students (b) How many students do not own either a car...
Sunday, March 17, 2013 at 12:35pm

Math..
4(x+1/2)-2(x+3/2) less than. Or equal to 5 ( i. Solved it im just checking my answers to be sure )
Sunday, March 17, 2013 at 12:31pm

math
An artifact was found and tested for its carbon-14 content. If 76% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? (Carbon-14 has a half-life of 5,730 years.)
Sunday, March 17, 2013 at 12:22pm

math
Find the monthly payment for the loan. (Round your answer to the nearest cent.) $800 loan for 12 months at 10%
Sunday, March 17, 2013 at 12:21pm

math
Erika spent 3/4 of her money on lunch. She has 2.00 left. How much money did she start with?
Sunday, March 17, 2013 at 10:51am

Math
2x/5 - 3x +2 >= ( greater than or equal) x-1 My answer was x is less than or equal to 7.5 but im not sure
Sunday, March 17, 2013 at 10:43am

math
Simply each expression. Use only positive exponents. (2t)^6 r^5/g^-3
Sunday, March 17, 2013 at 10:15am

math
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 145 and a variance of 25. The material is considered defective if the breaking strength is less than 134.5 pounds. What is the probability that a single, randomly selected ...
Sunday, March 17, 2013 at 10:09am

math
Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.65 times 10^-5 watts/cm^2
Sunday, March 17, 2013 at 8:58am

Math
Given that a sample space is discrete if it contains either a finite number of points or a countably infinite nunber of points and a sample space is continuous if it contains uncountable number of points 1) if two distinct points on a circle radius 'r' are chosen at ...
Sunday, March 17, 2013 at 5:56am

Math-
can someone please correct my mistakes? x/2-(3x-1)/3 < 1/4 i did: x/2 times 2 - (3x-1)/3 < 1/4 times 2 (then i crossed out) becomes: x-(3x-1)/3 times 3 < 1/2 times 3 (crossed them out) = x-3x+1 < 3/2 => -2x +1 <3/2 -1 => -2x<3/2-( 1/1) times 2 both deno...
Sunday, March 17, 2013 at 4:59am

math
Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.65 times 10^-5 watts/cm^2
Saturday, March 16, 2013 at 10:55pm

Math trigonometry
Find the measures of the acute angles of a right triangle whose legs are 9 cm and 16 cm long.
Saturday, March 16, 2013 at 10:40pm

math
I asked this earlier today but did not get help. Can you please let me know if this question is done properly? Thank you Camern is wrapping a present. She does not want any left over wrapping paper. How much wrapping paper does she need to buy. The length of the box is 15in, ...
Saturday, March 16, 2013 at 10:02pm

Finite Math
A Specialty shop owner used a revenue function and a cost-volume function to analyze his monthly sales. one month he found that with a sales volume of 1465 items he had revenues of $32,962.50 and a total cost of $26,405.50. Another month he had total costs of $17,638 on a ...
Saturday, March 16, 2013 at 9:37pm

math
(6a^4b+ab^3)+(3ab^3-6a^4b)
Saturday, March 16, 2013 at 9:24pm

MATH
If I pick a number between 1 and 99, what is the probability that someone else in my class (30 students) will pick that same number?
Saturday, March 16, 2013 at 8:56pm

math
4c(11-c²) distribute the multiplication over the addition
Saturday, March 16, 2013 at 8:23pm

Math
If I have 15 flavors of ice cream and 81 different toppings, how many different combinations could I create (assuming only 1 flavor of ice cream in the container at a time)? I got 36267774588438900000000000 ??? IS THIS RIGHT???
Saturday, March 16, 2013 at 8:03pm

Math
The heart shaped card is made by placing a square card and two semicircles together. What is the area of the card. each side of the sqare is 8cm long. I did a=TTr(squared)+lw A=TT4squared+8(8) A=TT16+64 A=80TT A+251.3274123 A=251.3 cm(squared) The total area of the card is 257...
Saturday, March 16, 2013 at 8:02pm

math
sonya spent three eighth of her money and then had $15 left. how much money did she originally have
Saturday, March 16, 2013 at 7:15pm

math
Suppose that x is normally distributed with a mean of 10 and a standard deviation of 3. Find P(x ¡Ü 6). Note: Round your answer, if necessary, to two places after the decimal. Please express your answer with two places after the decimal.
Saturday, March 16, 2013 at 7:01pm

MATH 112 helpl please
Bill brought four times as may apples as harry and three times as may apples as martin. If Bill, and martin purchased less than a total of 190, apples, what is the greatest number of apples that bill could have purchased?
Saturday, March 16, 2013 at 5:24pm

Math
What is the surface area of a cube whose sides measure 5 inches? I did A= s squared A=5 squared 25 inches squared Then SA= 25*6=150 inches squared Is this correct? Thank you
Saturday, March 16, 2013 at 4:44pm

math
A square pyramid has a slant height of 13 meters and a height of 12 meters. What is the surface area if the square base has sides of length 10 meters? 360 m2 320 m2 260 m2 120 m2
Saturday, March 16, 2013 at 4:01pm

Math
Find the volume of the cylinder. Use 3.14 for (π Pi) 34 m on top and 27 m down on the right. Please Help Me I try and try and nothing please please help me !!!!! :( :(
Saturday, March 16, 2013 at 4:00pm

math
find the next time both buses will leave Central Station at the same time. Show or explain how you found your answer.
Saturday, March 16, 2013 at 3:58pm

Math
-3 ( 3n + 3) =15
Saturday, March 16, 2013 at 3:09pm

math
12.55=660 660/12=$1.05
Saturday, March 16, 2013 at 2:57pm

math
Camern is wrapping a present. She does not want any left over wrapping paper. How much wrapping paper does she need to buy. The length of the box is 15in, the width is 3in and the height in 7 in. I did it this way. front and back(height) SA=lw*2 SA=15(7)2 SA=210in squared ...
Saturday, March 16, 2013 at 2:42pm

math
Value of a new car depreciates at a rate of 12% per year. It is worth $23 000. Approximately how many years will it take until the car is worth $2300?
Saturday, March 16, 2013 at 2:16pm

math
Value of a new car depreciates at a rate of 12% per year. Approximately how many years will it take until the car is worth $2300?
Saturday, March 16, 2013 at 1:56pm

Math Q.
x/2 - (3x+1/3) < 1/4 My answer was x > -0.25 , but im not positive.
Saturday, March 16, 2013 at 1:50pm

Math
Evaluate the following indefinite integrals. Show all steps please A) ∫xe^x^2+10 dx b) ∫(1/2x+x)(ln(x)+x^2)^10 dx
Saturday, March 16, 2013 at 11:54am

MATH
CAN U TELL ME MORE ABOUT IDENTITIES
Saturday, March 16, 2013 at 11:36am

statistics
The starting salaries of a random sample of three students who graduated from North Carolina State University last year with majors in the mathematical sciences are $45,000, $50,000, and $40,000. Find a point estimate of the population mean of the starting salaries of all math...
Saturday, March 16, 2013 at 10:46am

math
The diagram shows a sector OAB of a circle, centre O and radius10 cm. Angle AOB is theta radians. The point C lies on OB and iss such that AC is perpendicular to OB. The region R is bounded by the arc AB and by the lines AC and CB. The area of R is 22cm^2 1. show that theta=0....
Saturday, March 16, 2013 at 9:32am

math
A score of 243 is a "basic" reading level. Scores for a random sample of 3000 students had a xbar = 250 with a standard error 1.0 The 99% confidence interval for the mean score all students in the city is 247.4 to 252.6. Ques: Is there good evidence that the mean for...
Saturday, March 16, 2013 at 8:52am

math
when you reverse the digits of the number 13,the number increases by 18.how many other 2digit numbers increase by 18 when their digits are reversed ?
Saturday, March 16, 2013 at 7:14am

math
2candles,one green and one red,are lit at the same time.The green candle burns twice as fast as the red one.The green candle burns burns out after 6 hours,how much time will elapse before the red candle burns out ?
Saturday, March 16, 2013 at 7:09am

math
if i drive home with a speed of 60km/h,I will arrive an hour ealier than expected.If i drive 40km/h then i will arrive an hour later than expected.At what speed should i travel in order to arrive BANG on time?
Saturday, March 16, 2013 at 7:06am

math
4 digit number 12*6 is a perfect square.the value of the digit represented by * is ?
Saturday, March 16, 2013 at 7:02am

Math - Grade 5
A shop sells candies by weight. Monisha bought 2 full bags of chocolates and 3 full bags of gummy bears for $23.50. If 3/4 of a bag of chocolate cost as much as 5/6 of a bag of gummy bears, find the cost of 1 full bag of chocolates.
Saturday, March 16, 2013 at 2:13am

Math - Grade 5
After saving 4/5 of his salary every month, Zacky has $150 left. Micah saves 6/7 of his salary every month. If both guys save an equal amount each month, how much is their combine salary?
Saturday, March 16, 2013 at 2:11am

Math
Find the solution and round to the hundredths. 24 divided by 0.865. I got two answers I'm confused.
Saturday, March 16, 2013 at 1:02am

math
HOW THE YOU WORK THIS PROBLEM?WHAT PRECENT OF 3.5 IS 7.2
Friday, March 15, 2013 at 11:57pm

math
completing the square 2m^2-m-15=0 using the quadratic formula 2y^2-3y-6=0
Friday, March 15, 2013 at 10:46pm

math
Prove. 2^n + 2^n = 2^(n+1)
Friday, March 15, 2013 at 10:45pm

math
Mr Smith is a farmer. He stores his hay in a shed the shape of a cone. The base has a radius of 30 ft and it is 40 ft. tall. How much hay can he fit in the shed? Leave th answer in terms of pie.( I will use ^ as my pie symbol here) I did v=1/3 BH v=1/3^r2h v=1/3^30squared(40) ...
Friday, March 15, 2013 at 10:07pm

math
4 In e= In (ã(3))/(x)-4 In e Solve the equations by finding the exact solution.
Friday, March 15, 2013 at 10:04pm

math
exponent law question: Simplify the following exponents. 1. (16)(2^(x+2)) 2. ((ab)^(2x+y))/(a^(x)b^(y))
Friday, March 15, 2013 at 9:37pm

math ALG 2!scientific notations helpp
Write the following value in scientific notation. 23,000,000 Write the following value in scientific notation. 7,400,000 Write the following value in scientific notation. 0.00000021 Write the following value in scientific notation. 0.00003165 Which value below is not ...
Friday, March 15, 2013 at 9:26pm

Math for Ms. Sue please! Last math questions!
1. What is the term for data that are grouped closely together? (1 point) outlier linear positive clustering 2. What association would you expect if graphing height and weight? (1 point) positive nonlinear negative none of these 4. What association would you expect if graphing...
Friday, March 15, 2013 at 9:14pm

math
How do I measure 5.25% of a 6% bleach for 1 gallon?
Friday, March 15, 2013 at 8:56pm

math
A particular power boat travelling at V0 km/h when its power is turned off will have its speed V given by V(t) = V0 × 10-0.18t where t is the time in seconds since the engine was turned off. If this boat was travelling at 50km/h before powering down, construct a table ...
Friday, March 15, 2013 at 8:50pm

math mrs sue please help
Find the property of the real numbers which will complete the argument below: 1. Zero is not a positive number. 2. Choose x as the smallest number. 3. The ________ property tells us that _________. 4. Therefore, between x and 0 there will be a third number, smaller than x. 5. ...
Friday, March 15, 2013 at 8:32pm

math
what expression can be used to represent the phrase "3 more than 2 times the number of minutes, m"? a.3m+2 b.2m+3 c.m+3x2 d.2m-3 I think it may be A?
Friday, March 15, 2013 at 8:29pm

math Ms. Sue please
3. Which of the following examples would show a negative trend? (1 point) height and weight of students test scores and height of students outside temperature and heating bill none of these Is the answer " test scores and height of students"?
Friday, March 15, 2013 at 8:25pm

Math
Peter solved this equation 6 x y = 490 - 4 6 x y = 486 y = 492 Explain his mistake.
Friday, March 15, 2013 at 8:11pm

math
Find the smallest values for a and b so that 21 base a equals 25 base b.
Friday, March 15, 2013 at 7:48pm

math
The community is having a book sale to raise money for a new computer. The library sells each book for $4.00. complete the table, where b represents the number of books sold. How much money will the library earn if b=44? b 4b 40 160 44 ? 50 200 I don't know?
Friday, March 15, 2013 at 7:40pm

math :(
78/132 = .5909 how do i get the answer here without using calculator? any tips?
Friday, March 15, 2013 at 7:30pm

Math
Erick solved the problem (9 x 5 ) + 4= 7y (45) + 4= 7y 49 = 7y 42 = y Explain his mistake.
Friday, March 15, 2013 at 7:24pm

math
If a and b are parallel lines and m 3 = 128º, what is the measure of 8? 134º 54º 52º 49º
Friday, March 15, 2013 at 6:03pm

math
How do I measure 5.25% of a 6% bleach for 1 gallon?
Friday, March 15, 2013 at 5:31pm

Math
Optimization Problem A right circular cylindrical can of volume 128tπ cm^3 is to be manufactured by a company to store their newest kind of soup. They want to minimize the surface area of the can to keep costs down. What are the dimensions of the can with minimum surface ...
Friday, March 15, 2013 at 5:18pm

math 0511
Suppose G={x E N : x> 1} and H ={-3;-2; -1; 0; 1; 2} which statement is true? G=[1;
Friday, March 15, 2013 at 4:56pm

math ALG 2!scientific notations helpp
Write the following value in standard notation. 4.25 x 106 Write the following value in standard notation. 3.89 x 104 Write the following value in standard notation. 3.14 x 10-5 Write the following value in standard notation. 2 x 10-6
Friday, March 15, 2013 at 4:23pm

math ALG 2!scientific notations helpp
1.)Write the following value in scientific notation. 23,000,000 2.)Write the following value in scientific notation. 7,400,000 3.)Write the following value in scientific notation. 0.00000021 4.)Write the following value in scientific notation. 0.00003165 5.)Which value below ...
Friday, March 15, 2013 at 4:01pm

math
a pumpkin pie costs $12.55 at a bakery. if the pie has a diameter of 12 inch. what is the cost per square inch of the pie?
Friday, March 15, 2013 at 3:56pm

math
Express 4 radical 75
Friday, March 15, 2013 at 3:31pm

Math
There are 9 boys and 12 girls at a party,everyone is wearing a pair of shoes.How many shoes are there
Friday, March 15, 2013 at 3:18pm

Math
Use multiplication, division, addition and subtraction and at least one set of parentheses to write an expression that simplifies to 7, 13, or 17. Do your work step by step and explain each step as you simplify the expression. Demonstrate the consequences of not using the ...
Friday, March 15, 2013 at 2:12pm

!!!!!! what is it-- math
5!. i know the answer is 120, nbut what is th ! thanks in advance.
Friday, March 15, 2013 at 2:05pm

math 7
how many different ways can you choose 3 vowels out of the box, if there are 5 vowels in the box and the order does NOT matter? a. 10 b. 15 c. 30 d. 60 D?
Friday, March 15, 2013 at 1:35pm

Math
How would you label the answer to this problem? What is the area of a rectangle with a length of 3 ft by a width of 2 ft? Select one: a. 6 b. 6 ft. c. 6 ft.2
Friday, March 15, 2013 at 1:30pm

math
What shape would be classified as A=lw?
Friday, March 15, 2013 at 1:21pm

Math
Evaluate the following indefinite integrals. Can you show all the steps please! a) ∫xe^x^2+10 dx b) ∫x-2/x-4 dx
Friday, March 15, 2013 at 1:08pm

Help Please Math
A principal of $2500 is invested,part at 8% per annum and the rest at 12% per annum. In a year, the 8% investment interest was doubled the 12% investment interest. How much invested at each rate? Express in the form Ax+By=C
Friday, March 15, 2013 at 12:42pm

Math
steps needed to solve one step mixed number g+9 3/4=15 1/2
Friday, March 15, 2013 at 12:20pm

Math
Two numbers differ by 9. 4 times the smaller is 5 more then twice the larger. Find the numbers.
Friday, March 15, 2013 at 12:03pm

math
Suppose you invest $2250 in a CD that earns 3% APR and is compounded quarterly. The CD matures in 2 years. How much will this CD be worth at maturity?
Friday, March 15, 2013 at 11:46am

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