Homework Help: Math

Branches of Math

Recent Homework Questions About Math

Math
Ms wanton recycles colored pencils in a box for use in her art class. She has accumulated 4 red 5 blue 3 yellow and 3 green colored pencils. If one of her students reaches into the box and selects one pencil without looking what is the probabiltiy that the student will not get...
Tuesday, April 16, 2013 at 6:25pm

College math
A team played 24 games and won 2/3 of them. How many games did they win?
Tuesday, April 16, 2013 at 6:19pm

math algebra
Factor the given expression. Then use the zero product rule and the quadratic formula to solve the problem. There should be three solutions to the equation. x^3-2197 x=
Tuesday, April 16, 2013 at 6:18pm

math
what is a verbal rule in math?
Tuesday, April 16, 2013 at 6:17pm

Math
Which is in order from least to greatest A.1/4,0.33,2/5,0.5,2/3 B.1/3,1/2,0.4,0.25,2/3 C.1/3,1/4,0/4,1/2,0.66 D.2/3,0.5,2/5,0.33,1/4 A Talent Show auditions were held after school. There were 3 groups who sang for every 2 groups that danced. If there were a total of 30 groups ...
Tuesday, April 16, 2013 at 6:10pm

Math
Gerald jumped a distance of 10 1/4 feet at the field events during the district track meet. Juan jumped a distance of 1 1/3 feet less than Gerald. What distance did Juan jump at the track meet? A.9 1/12 B.9 2/7 C.8 11/12 D.11 7/12 C Tory has successfully completed 44% of the ...
Tuesday, April 16, 2013 at 6:06pm

Math
1. Find the total amount if you deposit $500 at a rate of 5% for two years using simple interest. 2. Find the total amount if you deposit $300 at a rate of 6% for three years using simple interest. 3. Find the total amount if you deposit $ 600 at a rate of 5% for two years ...
Tuesday, April 16, 2013 at 6:03pm

Math
Jocelyn made a spinner If Jocelyn spins only one time what is the probability that the arrow will not land on a red section of the spinner? 3 parts are red 4 parts are blue 1 part is white A.1/8 B.5/8 C.3/8 D.1/2 B Palmer participated in sports for 8 hours and drama for 5 ...
Tuesday, April 16, 2013 at 5:58pm

Math
What is the speed of a walking person in m/s if the person travels 1000m in 20 minutes.
Tuesday, April 16, 2013 at 5:54pm

`Math
A rectangular park has an area of 6 square miles. The width of the property is 3/8 the length of the property. What is the width of the property?
Tuesday, April 16, 2013 at 5:50pm

4th grade Math
What fraction could be used to express 2 parts that equal 15/17?
Tuesday, April 16, 2013 at 5:34pm

Math-Trig
Find all angles in degrees that satisfy each equation. tan(a)+rad3=0
Tuesday, April 16, 2013 at 5:32pm

math
Find all angles in degrees that satisfy each question. 2sin(a)+rad2=0
Tuesday, April 16, 2013 at 5:31pm

math
in triangle BCD, find the value of angle B, if b = 41 cm, c = 65 cm, and d = 52 cm.
Tuesday, April 16, 2013 at 5:27pm

math
in triangle lmo, find the value of m, if o=32 cm, l=52 cm and angle e= 73 degrees
Tuesday, April 16, 2013 at 5:22pm

math
A recipe for snack mix has a ratio of 2 cup of nuts 4 cups of pretzels and 3 cups of raisins. How many cups of nuts are there for each cup of fractions?
Tuesday, April 16, 2013 at 4:41pm

Math
A cirlcle has a diameter of 15 meters. What is the approximate circumference ?
Tuesday, April 16, 2013 at 4:08pm

math
If I have a length of paper 48 cm long and 34 cm wide and I divide into 6 eqaul sections what is the area of each section?
Tuesday, April 16, 2013 at 4:02pm

Annuity math
The city of Toronto’s population rose from 2,000,000 to 4,500,000 in the last twenty years of the twentieth century. What was the annual average percentage increase in population for that period?
Tuesday, April 16, 2013 at 4:02pm

math
1. Which set represents a Pythagorean triple? A:2,5,6 B:6,8,10 C:8,8,128 D:8,10,256 2. What is the hypotenuse of a right triangle if the legs are each 20 inches long? Round to the nearest whole number. A:28 B:29 C:30 D:31 I think the first ones B, and the second one is C
Tuesday, April 16, 2013 at 4:01pm

Math
Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination or permutation.
Tuesday, April 16, 2013 at 3:32pm

Math
A piece of wire 64 cm long is bent to form a rhombus.What is the length of each side of the rhombus
Tuesday, April 16, 2013 at 2:51pm

math
Someone HELP pleas. 3. One hundred twenty-five tickets have been sold for an event at a local theater. If this represents 25% of the capacity for the theater, which of the following is the capacity? A. 156 B. 375 C.410 D. 500 4. In a bag of candy, there are five red candies ...
Tuesday, April 16, 2013 at 2:06pm

math
Two different relationships are shown below. Relationship 1: xy = 3 Relationship 2: A graph is shown that has the following points plotted: one comma three, two comma six, three comma nine, four comma twelve. a) Identify each relationship as direct or inverse variation. b) ...
Tuesday, April 16, 2013 at 1:54pm

Math
Explain how to write a function rule from the table below. Then write a function rule. x 2 4 6 y 1 0 –1 I dont get these Please help.
Tuesday, April 16, 2013 at 1:12pm

math,science
In the Lotka-Volterra competition equations, if a21 > 1, then:
Tuesday, April 16, 2013 at 1:08pm

Math
On a recent math exam, Alex received a score of 92%. His z-score is positive 2. If the mean for the exam is 84, what is the standard deviation?
Tuesday, April 16, 2013 at 12:40pm

math
The city of Toronto’s population rose from 2,000,000 to 4,500,000 in the last twenty years of the twentieth century. What was the annual average percentage increase in population for that period?
Tuesday, April 16, 2013 at 12:34pm

math
a=0.03t+1.4 t=8
Tuesday, April 16, 2013 at 12:08pm

Java programming
List all overloading methods (including constructors) in this coding.. public class Circle { private double radius; private String colour; public Circle() { radius = 0; colour = ""; } public Circle (double r) { radius = r; } double getRadius() { return radius; } ...
Tuesday, April 16, 2013 at 11:59am

Math
Ms.York has 32 boys and 18 girls in her science class. She ramdomly selects 1 student to help her sweep the floor. What is the probability that the student she selects will be a girl?
Tuesday, April 16, 2013 at 11:33am

Math
Please help I don't get how to do this! A spinner has three congruent sectors colored orange, green, and purple. Use the rule of probability of each event. a) landing on orange, then landing on purple b) landing on the same color 2 times in a row.
Tuesday, April 16, 2013 at 11:05am

Math
Please help with math!!!!!? 1. A bag contains 9 tiles numbered 1 to 9. P(4) = (1 point) . experimental; the result is found by repeating an experiment. . experimental; the result is based on the number of possible outcomes. . theoretical; the result is found by repeating an ...
Tuesday, April 16, 2013 at 10:34am

Math
A circular pizza with a 12 inch diameter has 20 pieces of pepperoni. How many pieces will a pizza with an 18 inch diameter have?
Tuesday, April 16, 2013 at 10:23am

math
Jenny borrowed $500 for five years at 4 percent interest, compounded annually. What is the total amount she will have paid when she pays off the loan? total amount = P (1 + i)t
Tuesday, April 16, 2013 at 10:12am

Math
For a fundraiser the soccer team is planning to sell potting soil. The two boxes they will use to sell the soil are shown below. How much do you think they ought to charge for the larger box of potting soil based on the volume of the two boxes? Explain in detail and give ...
Tuesday, April 16, 2013 at 8:33am

Math
Merrie is putting away the 1 cubic centimeter blocks. She has a box that is 24 cm by 12 cm by 6 cm. How many cubes can she put away in this box?
Tuesday, April 16, 2013 at 8:29am

math
What is the probability of 5 or fewer successes in a binomial experiment with 7 trials if in each trial, the porbability of success is .8?
Tuesday, April 16, 2013 at 7:27am

math
Let A,B and C be matrices such that A=⎛⎝132213⎞⎠, B=(122423) and C=AB. What is the sum of all the elements (entries) of matrix C?
Tuesday, April 16, 2013 at 3:55am

math
What is the sum of all of the positive divisors of 100?
Tuesday, April 16, 2013 at 3:43am

math
The point (x,y) lies on both conics x2+xy+x=81 and y2+xy+y=51. Given that x+y is positive, determine the value of x+y.
Tuesday, April 16, 2013 at 3:41am

math
How many ordered pairs of integers (x,y) are there such that 2x2−2xy+y2=225?
Tuesday, April 16, 2013 at 3:38am

math
The function f(x)=x4−15x3+81x2−201x+182 has four complex roots, one of which is 3−2i. What is the sum of all real and imaginary coefficients of these roots?
Tuesday, April 16, 2013 at 3:37am

math
Jane decides to build a wooden pencil box. She allows 32cm along the diagonal. The width of the box is to be 8cm. find the angle that the diagonal makes with the length of the box.
Tuesday, April 16, 2013 at 2:49am

Math/ Calculus
Given an initial guess of x1 = 1, use the Newton-Raphson Method to fi nd the second approximation x = x2 of the solution of the equation: sqrt(x+3)=x
Tuesday, April 16, 2013 at 1:30am

Math/ Calculus Help1
Supplies are dropped from a stationary (not moving up or down) helicopter and, after some amount of time, land on the ground with a velocity of -160 feet per second. Assumptions: Start time at t = 0 and ignore air resistance. Recall that the height function is given by y(t)= ...
Tuesday, April 16, 2013 at 1:17am

math
An apple orchard has an average yield of 36 bushels of apples per tree if tree density is 26 trees per acre. For each unit increase in tree density, the yield decreases by 2 bushels per tree. How many trees per acre should be planted to maximize the yield? _______tree/acre
Monday, April 15, 2013 at 11:40pm

Math
I need to change this expression to postfix form. (12*A^2-2*A+31)/(4*A+6) I know how to do this except for the squaring part. I got stuck. This is my try. 12 A 2 ^ * 2 A * - 31 + 4 A * 6 + / When I test this in a calculator, it gives different results. Another problem is that ...
Monday, April 15, 2013 at 11:31pm

math
The figure below depicts a racetrack with ends that are semicircular. The length of the track is 880 ft (1/6 mi). Find l and r so that the area of the rectangular portion of the region enclosed by the racetrack is as large as possible. (Round your answers to the nearest foot.)
Monday, April 15, 2013 at 10:29pm

math
There are 100 runners, each given a distinct bib labeled 1 to 100. What is the most number of runners that we could arrange in a circle, such that the product of the numbers on the bibs of any 2 neighboring runners, is less than 1000?
Monday, April 15, 2013 at 10:18pm

Math
When you are adding variable with exponents, do you add the exponents too? What would ab2 + 2ab2 =
Monday, April 15, 2013 at 8:36pm

Math
What is the median, mode, range of 17, 47, 12, 13, 12?
Monday, April 15, 2013 at 8:20pm

Math
What is (a+b) to the third power?
Monday, April 15, 2013 at 8:08pm

math
express the following as a single logarithm log2+log3+log4
Monday, April 15, 2013 at 7:55pm

math
x 65 ft. ____ = _______ 3 ft. 39 ft.
Monday, April 15, 2013 at 7:36pm

MATH
Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
Monday, April 15, 2013 at 7:24pm

math
Determine all the possible values of x where 0 deg is more than or equal to x and x is more or equal to 360 deg such that i'm not sure the solution, please correct it and how to find the x value, 2 tan x - 1 = cot x solution: (sec x -1)(sec x + 2) = 0 sec -1 = 0 , sec x + ...
Monday, April 15, 2013 at 7:22pm

math
how tall is a telephone pole if it cast a shadow 24 feet long
Monday, April 15, 2013 at 7:21pm

math
Determine all the possible values of x where 0 deg is more than or equal to x and x is more or equal to 360 deg such that i'm not sure the solution, please correct it, sin x sec x - 3 sin x = 0 the solution: sin x 1/cos x - 3 sin x = 0 sin x - 3 sin x = cos x then i don&#...
Monday, April 15, 2013 at 7:20pm

Math
Rob colored 1/4 of a rectangle. What is another way to name 1/4?
Monday, April 15, 2013 at 7:17pm

Math
Lois brought 6 gallons of milk for the soccer team they drank 10 quarts of the milk. How many quarts of milk were left over ?
Monday, April 15, 2013 at 5:13pm

Math
A customer is buying a $100 drill and two $15 drill bit stes. The customer uses a $50 gift card for a portion of thier bill. How much cash will the customer pay (before taxes)?
Monday, April 15, 2013 at 4:43pm

5th grade math
I dont get it! /is 20 times 5/6 greater than or less than 20
Monday, April 15, 2013 at 4:41pm

math
what is 63% rounded to the nearest whole percent.
Monday, April 15, 2013 at 4:26pm

Math
a group of students ate a whole pie each student ate exactly 1/5 of the pie how many students shared the pie
Monday, April 15, 2013 at 4:20pm

math
how to do pre algebra pizzazz page e 28
Monday, April 15, 2013 at 4:18pm

Math-Steve
8. A gas station charges $2.19 per gallon of gas. Use function notation to describe the relationship between the total cost C(g) and the number of gallons purchased g. a. C(g) = -2.19 g b. g = 2.19C(g) c. C(g) = g + 2.19 d. C(g) = 2.19g I think its C.
Monday, April 15, 2013 at 3:53pm

math
how many quarts are in a liter
Monday, April 15, 2013 at 3:45pm

math statitics
The makers of the MAGNETIZER Engine Energizer System (EES) claim that it improves gas mileage and reduces emissions in automobiles by using magnetic free energy to increase the amount of oxygen in the fuel for greater combustion efficiency. Following are test results, ...
Monday, April 15, 2013 at 3:08pm

math
on the test had 50 items gertrude got 34 out of the first 40 correct. if she received a grade of 80% on the test how many of the last 10 did she have correct
Monday, April 15, 2013 at 2:47pm

math
what is the general term of this sequence 1,2,4,8....4096
Monday, April 15, 2013 at 2:26pm

Math
if the last digit of a weight measurement is equally likely to be any of the digits 0 through to 9.what is the probability that the last digit is greater than or equal to 5 ?
Monday, April 15, 2013 at 2:21pm

Math
Given that the equation x^2(3-x) has 3 real solutions of k, give the set of possible values for k.
Monday, April 15, 2013 at 1:53pm

Math
A container holds 12 red marbles, 10 blue marbles, and 14 green marbles. You will randomly select two marbles without replacement. -Fill in the probabilities on each branch of the tree diagram. Use the boxes with the fraction bars already provided. -Use the tree diagram to ...
Monday, April 15, 2013 at 1:35pm

Math
Suppose that you invest $6384 in an account that earns interest at an APR of 4.6%, compounded monthly. Determine the accumulated balance after 9 years.
Monday, April 15, 2013 at 11:22am

math
Graph the function f(x)=6-1/(x+4)^2 using transformations. State: a.the domain b.the range c.the asymptotes i do not get this at all, i am totally lost! please help!!!
Monday, April 15, 2013 at 10:00am

math
find the verticle, horizontal, and oblique asymptotes, if any, for the given rational function: g(x)=x^4-81/3x^2-9x I feel like such a dork becaue i have no clue how to do this, can someone please help me????
Monday, April 15, 2013 at 9:57am

Math
the ratio of circumference of a circle to its diameter is 22:7. what is the circumference of a curcle of the diameter 15.6m?
Monday, April 15, 2013 at 6:24am

math
a man sell two articles at the same price on one he earn 25% profit and on other he incures 25% loss overall he gets?
Monday, April 15, 2013 at 4:48am

Math
For a Normal distribution with mean, mu=2, and standard deviation, sigma = 4, 70% of all observations have values between x and y . (Round to 4 decimal places.)
Monday, April 15, 2013 at 1:56am

math
A bag contains 5 green marbles, 3 yellow marbles and 2 red marbles. What is the probability of picking three green marbles from the bag without replacement?
Monday, April 15, 2013 at 12:59am

Math
What is the probability that a multiple of two will occur with one roll of a twenty-sided die numbered from 1-20?
Monday, April 15, 2013 at 12:31am

Math
The mean time to complete a certain stat quiz is 25 minutes, with a standard deviation of 5 minutes. Find the probability of a student taking. 1.) less than 15 minutes. 2.) Between 15 and 25 minutes. 3.)more than 25 minutes.
Sunday, April 14, 2013 at 11:41pm

math
A baseball player swings and hits a pop fly straight up in the air to the catcher. The height of the baseball in meters t seconds after it is hit is given by a quadratic function h(t) = −4.9t^2 + 9.8t + 1. What is the maximum height of the baseball?
Sunday, April 14, 2013 at 10:58pm

Math
From a survey of 100 college students, a marketing research company found that 60 students owned iPods, 50 owned cars, and 20 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, April 14, 2013 at 10:58pm

math
Triangle ADE is inside rectangle ABCD. Point E is half way between points B and C on the rectangle. Since AB is 8 cm and side AD is 7 cm. 1. what is the area of triangle ADE? 2. what is the ratio of the area of the triangle ABE to the area of triangle ADE? 3. What is the ratio...
Sunday, April 14, 2013 at 10:05pm

math
Let 2^a = 5 and 2^b = 7. Using exponent rules, solve the equation in terms of a and b. 0.4^x = 343
Sunday, April 14, 2013 at 9:28pm

Math
Simplify and write the trigonometric expression in terms of sine and cosine: ((2+tan^2 x)/(sec^2 x))-1 = (f(x))^2 f(x)= ??
Sunday, April 14, 2013 at 9:28pm

MATH
Find all solutions of the equation tan^5 x - 9tan x =0. The answer is Ak\pi where k is any integer, the constant A=???
Sunday, April 14, 2013 at 9:18pm

math
A fair coin is tossed 10 times. What is the probability of getting exactly 6 heads?
Sunday, April 14, 2013 at 9:05pm

math
Given: f(closure(A)) subset of closure(f(A)) Prove: For any closed set A in Y, f^-1(A) is closed in X (AKA f is continuous) X and Y are metric spaces f: X -> Y f^-1 is f inverse. closure(A) = A U limit points of A The first line is Let C be a closed subset of Y. Then we ...
Sunday, April 14, 2013 at 8:41pm

math
Marty walks to school 4 days each week. The walk talks 15 minutes. How much time does it take marty to walk to school & home each week. Is this correct? 15×4=60 it takes him an hour each week
Sunday, April 14, 2013 at 8:38pm

college math
4. Do the indicated operations. A) 3 B) –13 C) 5 D) –11
Sunday, April 14, 2013 at 8:28pm

Math
A tower stands on a 20 degree slope. From a point 45 m directly up the slope. The angle of elevation of the top of the tower is 10 degrees. How tall is the tower?
Sunday, April 14, 2013 at 8:13pm

math
Will someone please help me solve this problem. Simplify by factoring. ã250 this is a radical sign in front of 250.
Sunday, April 14, 2013 at 7:42pm

math
marcus scored 23 points in his basketball game on friday and 19 points in his basketball game on saturday.how many points did marcus score in two games
Sunday, April 14, 2013 at 7:28pm

math
Will someone please help me with this problem. Simplify by factoring. ã250
Sunday, April 14, 2013 at 6:35pm

math
Find all solutions of the equation tan^5 x - 9tan x =0. The answer is Ak\pi where k is any integer, the constant A=???
Sunday, April 14, 2013 at 6:20pm

Math
cos22.5=1/2 sqrt(A + sqrt B)
Sunday, April 14, 2013 at 5:44pm

math
three of four numbers have a sum of 22. if the average of the four number is 8, what is the four number
Sunday, April 14, 2013 at 5:30pm

Math
Graph y = ½ x^2 – x +3 for 0≤x≤6 Calculate the mid- ordinates for 5 strips between x = 1 and x 6, and hence use the mid-ordinate rule to approximate the area under the curve between x = 1, x = 6 and the x- axis. assuming that the area determined by ...
Sunday, April 14, 2013 at 5:13pm

math
In right triangle ABC, a = 52 ft and c = 63 ft. Which of the following trig ratios of angle B, would combine the given sides?
Sunday, April 14, 2013 at 4:57pm

MATH
1 D = 10^-18 statC·cm = 10^-10 esu·Å = 1⁄299,792,458×10^−21 C·m ≈ 3.33564×10^−30 C·m ≈ 1.10048498×1023 ≈ 0.393430307 au A dipole of 1 Debye is equal to 3.33 x 10-30 C m . Show that in ...
Sunday, April 14, 2013 at 4:56pm

math
form the quadratic equations whose roots are(A:5 and -1/3
Sunday, April 14, 2013 at 4:40pm

pharmacy math
which would be the most appropriate measuring device for the following prescription: Give 0.7ml of metoclopramide syrup every six hours answer 1 tsp oral syringe with 1 ml marking I am not sure answer Bob help
Sunday, April 14, 2013 at 4:35pm

math
Find all solutions of the equation 3sin^2 x -7sin x +2 = 0 in the interval [0,2\pi). The answer is x_1= ? and x_2= ? with x_1<x_2.
Sunday, April 14, 2013 at 4:29pm

Math
What is 8/9 as a percent, as a decimal, and a decimal rounded to two places?
Sunday, April 14, 2013 at 4:13pm

Math
What is 5 to the square root of 2?
Sunday, April 14, 2013 at 3:55pm

math
Can a right triangle have sides of length 1, 7, and 5 to the square root of 2? Justify your answer.
Sunday, April 14, 2013 at 3:50pm

Math
If (Y x 15+20=245), what does Y equal?
Sunday, April 14, 2013 at 3:32pm

math
Bill sees that the shadow of a flag pole is about four times as long as his shadow. If Bill if about 5 1/2 feet tall, about how tall is the flag pole?
Sunday, April 14, 2013 at 3:32pm

math
f(x,y)=square root x^2+y^2
Sunday, April 14, 2013 at 3:26pm

principals of math
a triangle drawn on a map has sides of lenghts 7.0 cm, 11 cm, and 15 cm. the shortest of the corresponding real-life distances is 123km. find the longest of the real-life distatnces. round to the nearest unit.
Sunday, April 14, 2013 at 3:14pm

Math
Find the distance between the points with polar coordinates (3, 120°) and (0.5, 49°)? Is the answer 2.88?
Sunday, April 14, 2013 at 3:12pm

Principal of Math
a tree casts a shadow 29m long. at the same time the shadow cast b a 61cm tall statue is 82cm long. find the height of the tree. round results to the nearest unit.
Sunday, April 14, 2013 at 3:00pm

math
Suppose you had a slice of pizza that was cut from a 16” pizza. You measure the angle that it was cut at to be 0.6 radians. EXPLAIN how you could find the length of the crust on the slice of pizza. *
Sunday, April 14, 2013 at 2:39pm

math
On an air track, a 403.0 glider moving to the right at 1.70 collides elastically with a 500.5 glider moving in the opposite direction at 3.00 . 1. Find the velocity of first glider after the collision. 2. Find the velocity of second glider after the collision.
Sunday, April 14, 2013 at 2:19pm

math
Simplify and write the trigonometric expression in terms of sine and cosine: sin x + (cot x)(cos x) = (1/f(x)) f(x)= ?
Sunday, April 14, 2013 at 1:36pm

Conversion Math
A dipole of 1 Debye is equal to 3.33 x 10^-30 C m . Show that in atomic units 1 D = 0.39345 au.
Sunday, April 14, 2013 at 1:05pm

statstics
construct a 90 confidence interval for the population mean ÃŽÂ¼. assume the population has a normal distribution. A sample if 15 randomly selected math majors has a grade point average of 2.86 with a standard deviation od 0.78. Round to the nearest ...
Sunday, April 14, 2013 at 12:20pm

college math
5u+2v=-15 3u+v=-8 Im not sure how to do this problem
Sunday, April 14, 2013 at 11:42am

Math
The minute hand is 12 feet long, but the clock face is 22 feet in diameter. If the minute hand were twice as long, how much farther would it travel every hour?
Sunday, April 14, 2013 at 11:16am

Math
A dipole of 1 Debye is equal to 3.33 x 10^-30 C m . Show that in atomic units 1 D = 0.39345 au.
Sunday, April 14, 2013 at 11:00am

Math
28a^11b^7/4a^3b
Sunday, April 14, 2013 at 10:00am

Math 112 Help please
How do I break these down to find out which one is the largest without using a calculator their fraction. a. 13,579 + 1/2468 b. 13,579 - 1/2468 c. 13,579 * 1/2468 d. 13,579/ 2468
Sunday, April 14, 2013 at 9:26am

math
a scale model of a building is 8in.by12in.the scale is 1in.by 15ft.what are the dimensions of the actual building
Sunday, April 14, 2013 at 9:14am

math
Write an expression for the coefficient of x^997 in (x+1)^1008. Find its value.
Sunday, April 14, 2013 at 8:55am

math
given the points A(0,0), B(3,1) and C (1,4) what is the measure of angle ABC I plotted it on a gragh and got 1.46 degress. I am unsure if I am doing this question correctly. Or am I misreading it thanks in advance .
Sunday, April 14, 2013 at 8:23am

Math
Null factor law and factoriising: 2x^2+7x=0 X(2x+7)=0 X=0 or 2x+7=0. ( the answer in the book was x=-7/2, how? And. X^2-4=2x-4 Is it x^2-4-2x+4=o ??? If so!' how do I continue?
Sunday, April 14, 2013 at 7:57am

Math
If alpha and beta are the zeros of the polynomial ax^2 + bx + c then evaluateA. (alpha)^2 / beta + (beta)^2 / alpha B. alpha^2 .beta + alpha.beta^2 C. 1/(alpha)^4 + 1/(beta)^4. Please work the complete solution.
Sunday, April 14, 2013 at 7:07am

Math
Let R1 and R2 be the remainders when polynomials x^3 + 2x^2 - 5ax - 7 and x^ 3 + ax^2 - 12 x + 6 are divided by ( x + 1 ) and ( x - 2 ) respectively. If 2R1 + R2 = 6, find a. Please work the complete solution.
Sunday, April 14, 2013 at 7:05am

math
y/9=-5/3
Sunday, April 14, 2013 at 2:54am

Math ( Polynomial )
This time three questions - 1. If (x^2 - 1 ) is a factor of polynomial ax^4 + bx^3 + cx^2 + dx + e, show that a + c + e = b + d = 0. 2. Let R1 and R2 be the remainders when polynomials x^3 + 2x^2 - 5ax - 7 and x^ 3 + ax^2 - 12 x + 6 are divided by ( x + 1 ) and ( x - 2 ) ...
Saturday, April 13, 2013 at 11:36pm

college math
the perimeter of a rectangular traffic sign is 120 inches Also, its length is 6 inches longer than its width
Saturday, April 13, 2013 at 11:27pm

Help Please Stat-Math
According to an airline, a particular flight is on time 75% of the time. Suppose 140 flights are randomly selected and the number of on time flights is recorded. Determine if you should use the Binomial model or Normal model to solve this problem. show work and write a ...
Saturday, April 13, 2013 at 10:58pm

math
Select the first five terms in the geometric sequence an= (2)^n-1, starting with ^n=1
Saturday, April 13, 2013 at 9:23pm

math
Help me write the step by step for the use of linear equation from the following: A vehicle that gets 30 MPG will cost you $903 less to fuel each year than one that gets 20 MPG (assuming 15,000 miles of driving annually and a fuel cost of $3.61). Over a period of 5 years, the ...
Saturday, April 13, 2013 at 9:16pm

Math
Juan races his bicycle for 196ft a wheel of his bicycle turns 28 times as the bicycle travels this distance. What is the diameter of the wheel?
Saturday, April 13, 2013 at 7:06pm

math
x-intercept=4;passes through (-1,3)
Saturday, April 13, 2013 at 5:22pm

math
y-intercept = 3; passes through (1,2)
Saturday, April 13, 2013 at 5:22pm

math
Simplify this expression by using the properties of exponents.You may leave your answer as a number to a power. (2c)^5(2c^9)^6=
Saturday, April 13, 2013 at 4:03pm

Math
10.Mr.Cartwright bought 2 7/8 pounds of grapes for his lunches. If he paid $1.79 for each pound about how much did he pay for the grapes? A.6 B.3 C.7 D.4 I have to round the answer to something but how'd you get 2.875 Ms.Sue? What does 7/8 equal
Saturday, April 13, 2013 at 3:42pm

math
Suppose A is the set of students registered at the University of Calgary, and C is the set of courses currently being offered at the University of Calgary. Under what conditions is each of the following a function? a) {(a, c) | a’s first class each week is in c} b) {(a, c...
Saturday, April 13, 2013 at 3:28pm

math
Add, subtract, multiply or divide. Type your answer as a number only. -7 • (-6)
Saturday, April 13, 2013 at 3:07pm

math
if i have a mix of 4oz. to 100lbs. how much would it be for 9Lbs.
Saturday, April 13, 2013 at 2:26pm

math help please thank you
1. Simplify these expression 5k + 3k = K+1+k+4=
Saturday, April 13, 2013 at 2:02pm

Math
Which shows these numbers correctly labeled least to greatest? A.2,2 1/3,2.4,2.6,2 1/2,2 1/5 B.2,2.4,2.6,2 1/2,2 1/5 C.2,2 1/2,2 1/3,2.4,2 1/5,2.6 D.2,2 1/5,2 1/3,2.4,2 1/2,2.6 D
Saturday, April 13, 2013 at 1:59pm

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