Tuesday
May 3, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math help pls pls pls
Given f(x) = 4x + 13 and g(x) = 10x − 2, solve for (f + g)(x) and select the correct answer below. (f + g)(x) = 14x + 15 (f + g)(x) = 14x + 11 (f + g)(x) = 6x + 11 (f + g)(x) = 6x + 15 is it b pls help me
Thursday, March 31, 2016 by Oscar

help my son's math
Hill crest public school held its annual skating party and 3/4 of the 480 students came.Of the students who came,1/5 brought skates from home. How many students rented skates?
Thursday, March 31, 2016 by Mark

math help pls pls pls
Choose the polynomial written in standard form. x^3y^2 + 4x^4y + 10x^9 x^4y^2 + 4x^4y^5 + 10x^2 xy^2 + 4x^3y^8 + 10x^2 x^4y^5 + 4x^3y^2 + 10x^2 is it the last one pls help
Thursday, March 31, 2016 by Oscar

Algebra
A student spends more than 2 hours on his math and English homework. if Matt takes about twice as long as English what is the maximum time that the student can spend on English A. 1/3 B.1/2 C.1 D.2/3 I think its b please help!!
Thursday, March 31, 2016 by Princessstar123

Math
The length of the hypotenuse of a right triangle is 2m more than the longer leg. The longer leg is 7m longer than the shorter leg. Find the perimeter of the triangle. ( please explain as you go)
Thursday, March 31, 2016 by Julia

Hi need help with math
I need help plz 1Star circle heart is The pattern what is the 17 shape Star* Circle Heart 2 add subtract multiply divide what is the 100 shape Add Multiply* Divide Subtract
Thursday, March 31, 2016 by Essence loves math

Math
If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a heart or 10?
Thursday, March 31, 2016 by Anonymous

math
Which of the following functions has a rate of change that stays the same? A)y = x2 – 5x –14 B)y = 19x – 10 C)y = 5x D)y = 0.03x2 + 11x + 1 This is my question @Reed
Thursday, March 31, 2016 by saliha

math
Which of the following functions has a rate of change that stays the same? A)y = x2 – 5x –14 B)y = 19x – 10 C)y = 5x D)y = 0.03x2 + 11x + 1
Thursday, March 31, 2016 by saliha

Math
The area of a small rectangle is 1/4 square foot. The length is 2/3 foot. What is the width, in feet, of the rectangle?
Thursday, March 31, 2016 by Alexis

math
Which of the following functions has a rate of change that stays the same? A)y = x^2 – 5x –14 B)y = 19x – 10 C)y = 5^x D)y = 0.03x^2 + 11x + 1
Thursday, March 31, 2016 by saliha

math
1. Write a rule for the sequence. 5, –4, –13, –22,… (1 point) Start with –9 and add 5 repeatedly. Start with 5 and add 9 repeatedly. Start with 5 and subtract –9 repeatedly.*** Start with 5 and add –9 repeatedly. 2. Find the next three terms ...
Thursday, March 31, 2016 by rhydian morris

Math
If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a heart or 10?
Thursday, March 31, 2016 by Anonymous

Math
Recipe call for2/3cup of flour chef is making amount that is3/7 of recipe how much flour should i use?
Thursday, March 31, 2016 by Anonymous

math
Assuming you are listening to your favorite playlist that has 83 country songs, but your mom also added 9 pop. Suppose that shuffle mode is on - a song played is being selected at random (with replacement) from the playlist. Find the probability that, out of the next 13 songs...
Thursday, March 31, 2016 by David

Math
If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a heart or 10?
Thursday, March 31, 2016 by Anonymous

Math
Mrs Welsh paid $49.00 for one scarf and two shirts. The price of each shirt was $10.00 Part A: use rounding to estimate how much Mrs.Welsh paid for the scarf. Round to $50.00-$20.00=$30.00
Thursday, March 31, 2016 by Mr. K

math
A scale model of a rectangular patio is 6 feet long and 3 feet wide. The actual patio is 15 feet long. What is the area of the actual patio?
Thursday, March 31, 2016 by Skye

Math
What is the probability of winning the jackpot if you play the Florida lotto? What is the probability of winning that jackpot if you play Mega Millions? What is the probability of winning the jackpot if you play Powerball?
Thursday, March 31, 2016 by Alexandra

Math
Hello! I am not asking for the answer to this question, I am asking for a step-by-step explanation. Mr. Green band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 9 students who have Mr. Green for...
Thursday, March 31, 2016 by The Philly Inquirer

Math
In the 6/50 lottery game, a player picks six numbers from 1 to 50. How many different choices does the player have? Your answer is
Thursday, March 31, 2016 by Anonymous

Math
In a lottery game, a player picks 7 numbers from 1 to 45. How many different choices does the player have if order doesn't matter?
Thursday, March 31, 2016 by Anonymous

math
how many times is hcf of 64 and 124 contained in their Lcm?
Thursday, March 31, 2016 by Anonymous

business math
Lane French had a bad credit rating and went to a local cash center. He took out a $100.00 loan payable in two weeks at $102.50. What is the percent of interest paid on this loan? (Do not round intermediate calculations. Round your answer to the nearest whole percent.)
Thursday, March 31, 2016 by Anonymous

Math
A hockey team can win, lose, or tie a match. It gets 2 points for a win, 0 points for a loss, and 1 point for a tie. It has lost 10 out of the 28 matches it has played so far, and it has 30 points. Which two equations can be used to find its number of wins, w, and its number ...
Thursday, March 31, 2016 by Maria

Math
Find a function (rule) that describes the sequence" 24, 21, 18, 15 and find the next three in the sequence.
Thursday, March 31, 2016 by Anonymous

math
An investment of $3,000 is made at an annual simple interest of 5%. How much additional money must be invested at an annual simple interest rate of 8%, so that the total annual interest earned is 7.5 of the original amount that you invested? My answer: $279,375
Thursday, March 31, 2016 by PleaseCheckMyAnswer

math
the radius AB of a cicle is 5 centimeter.the distance of a line,CD from the center of the circle is 4 centimetre.how will I get the area of ABCD?
Thursday, March 31, 2016 by tasnuba

math
Weights of women are normally distributed with mean 143 pounds and standard deviation 29 pounds. If 36 women are randomly selected, what is the probability that their mean weight is between 120 and 160 pounds? Round your answer to two decimal places.
Thursday, March 31, 2016 by anon

math
Adult IQ scores are normally distributed with mean 100 and standard deviation 15. Find the IQ score that separates the adults with the highest 3% of IQ scores from the rest of the adults. Round your answer to the nearest whole number.
Thursday, March 31, 2016 by anon

Math - Slope intercept
Write this equation in slope intercept form. 6x-3y-2=0 and solve for Y.? My answer: Slope-intercept form: y = 2x-2/3 I don't know what is the value of y. Can you help me? Would it also be y = 2x-2/3? Please explain it
Thursday, March 31, 2016 by PleaseCheckMyAnswer

Math
There are 55 student in eight grade middle school that play different sports. 27 of them play soccer, 15 of them play basketball. 11 of them play soccer or basketball. What is the probability given that the they are in eight grade and play sports that they play both soccer and...
Thursday, March 31, 2016 by Korbin

MATH
Using the proportion rule to solve this problem-is this correct? Enrollment in the Ski/Snowboard Club increased by 30% this year. There are now 182 students in the club. How many students were there last year? 182x100=18200/30=607 607-182=425 answer 425
Thursday, March 31, 2016 by Amie

math
V=πr^2h V = 3.14 * 1.25^2 * 10 V = 3.14 * 1.5625 * 10 V = 49.06 how does 3.14*1.25^2 = 1.5625 because when I calculate the problem I get 1.11803 *10 =33.20 please help
Wednesday, March 30, 2016 by meshel

Real Analysis (Math)
Prove f(x) is discontinuous at 0 for the function f(x) = x if x>=0 and f(x) = 1 - x if x < 0 using the epsilon-delta method.
Wednesday, March 30, 2016 by Marie

Math
Running at the average speed of 400m/min, Drake dashed to the end of the course. He then walked back to his starting position at an average rate of 80m/min. How long was the course if it took him 6 minutes to make the dash and walk back? Time = distance ÷ speed so if d ...
Wednesday, March 30, 2016 by PleaseCheckMyAnswer

math
How do you use the sqrt symbol on a non scientific calculator
Wednesday, March 30, 2016 by meshel

Math
Mr. Tome uses five quarts of pineapple juice and 2 gallons of orange juice to make punch. How many one cup servings of punch will Mr tome make?
Wednesday, March 30, 2016 by Anonymous

Math
Running at the average speed of 400m/min, Drake dashed to the end of the course. He then walked back to his starting position at an average rate of 80m/min. How long was the course if it took him 6 minutes to make the dash and walk back?
Wednesday, March 30, 2016 by Anonymous

Math
The bases of a triangular prism are equilateral triangles. The surface area of the prism is 80 square units. If the area of one of the triangular bases is half the area of one of the rectangular faces, what is the area of one of the triangular bases of the prism?
Wednesday, March 30, 2016 by Olivia

Math 20-3 Financial services
If you invest $3800.00 at an interest rate of 2.90% per annum compounded bi-monthly, what will the total value of your investment be after 5 years?
Wednesday, March 30, 2016 by Brook

Math
Tamera has test scores of 88,78,98,88, and 78. She was told that her final test grade average is the highest C possible as a whole number. What was her last test score?
Wednesday, March 30, 2016 by Anonymous

Math
A recipe requires 3/4 cup of nuts for 1 cake. Enter the maximum number of cakes that can be made using 7 1/2 cups of nuts.
Wednesday, March 30, 2016 by Grace

Math
An investment of $3,000 is made at an annual simple interest of 5%. How much additional monery must be invested at an annual simple interest rate of 8% so that the total annual interest earned is 7.5 of te original amount that you invested?
Wednesday, March 30, 2016 by Anonymous

Math
What is two thirds of eight?
Wednesday, March 30, 2016 by Kyle

math
peggy was taking a timed 90 question test she was able to correct 90% of the questions how many questions did she answer correctly
Wednesday, March 30, 2016 by kelly

Math
1. Write the equation rule and find the twentieth term in the sequence: 1/2,2/3, 3/4, 4/5... My answer: The rule is x/x+1. The twentieth term in the sequence is 20/21. Please check my answer and tell me if it's correct or incorrect. I'm confused. Thanks.
Wednesday, March 30, 2016 by PleaseCheckMyAnswer

Math
A technician is adding chemicals to a 210-liter tank. She is adding the liquid at a rate of 2.5 liters per minute. How long will it take her to fill the tank half full?
Wednesday, March 30, 2016 by Anonymous

Math
A piece of paper has a length of 9 inches and width of 4 inches. The paper is rolled to form the shape of a cylinder. What is the largest possible volume of the cylinder?
Wednesday, March 30, 2016 by Kar

Math
Given the points (A) 0,0 (B) 4,3 (C) 2,9 what is the measure of angle ABC
Wednesday, March 30, 2016 by Joe

Math
At th zoo, there were 3 times as many monkeys as lions. Tom counted a total of 24 monkeys and lions. How many monkeys were there?
Wednesday, March 30, 2016 by Anonymous

Math
I'm purchasing something of the amount 22.00 and the tax is 6.875% how much would that make it
Wednesday, March 30, 2016 by Anonymous

Math
How to solve this problem? 1:150/1:300 x 2
Wednesday, March 30, 2016 by Jonny

math
lf the first of an AP is 7 and 80th term is 393,find the sum of the first 80 terms
Wednesday, March 30, 2016 by prince

Math algebra
Given 3x = 2y = 6z express 36 in index form in term of x,y and z
Wednesday, March 30, 2016 by Alala

math
There are 160 patients. 3 of 4 patient gets BP check, how many of them need check?
Wednesday, March 30, 2016 by Jonny

math
Andrea has 8 blue socks and 4 red socks. She chooses one sock at random and puts it on. She then chooses another sock without looking. If the first sock is red, find the probability that the second sock will also be red. 1)3/11 2)1/6 3)2/11 4)1/12
Wednesday, March 30, 2016 by Aubrey T.

math
Janice conducted a survey at the local calculator factory. She discovered that 10% of every 80 calculators did not work. Using this survey, what kind of predictions can she make about the next 400 calculators? a-not enough information b-40 will not work c-5 will not work d-8 ...
Wednesday, March 30, 2016 by Andrea

Math
I have a full deck of cards (52 cards). What is the probability of pulling a 10 out of the deck at random? (Reminder: There are 4 of each card in the deck) Express as a decimal, rounded to the nearest hundredths. A).07 B).08 C).02 D).25
Wednesday, March 30, 2016 by Carold.C

Math
James has 5 baseball cards, 3 football cards, and 1 hockey card (all different). He picks 2 cards at random without replacement. How many possible outcomes (card combinations) are there? 72 9 81 15 *i think theirs 72 but not sure
Wednesday, March 30, 2016 by Shelsey

Math
What is the equation x=y+z solved for z? A. X+y=z B. X/y=z C. Y/x=z D. X-y=z•• Correct me
Wednesday, March 30, 2016 by Pablo

Math
Suppose Cylinder A has the same height but twice the radius of Cylinder B. What is the ratio of the volume of Cylinder B to Cylinder A?
Wednesday, March 30, 2016 by Helen

Math
The formula V=lwh is used to calculate the valume of a rectangular prism. What is the equation solved for h? A. Vlw = h B. lw/V = h C. V/lw = h•• D. Vh = lw Correct me
Wednesday, March 30, 2016 by Pablo

Math
A drawer is filled with red and blue socks. If the probability of selecting a red sock at random is 2/5 what is the probability that a blue sock will be chosen at random? a)3/5 b)2/5 c)2/3 d)3/2
Wednesday, March 30, 2016 by Addison White

Math
How does changing the dimensions of a cylinder affect the cylinder's volume?
Wednesday, March 30, 2016 by Helen

math
Celia has a large container in which four different kinds of coins are thoroughly mixed. She wants to take a sample of her coins to estimate which kind of coin she has the most. Which of the following methods is the best way for her to select a sample? A]taking coins until she...
Wednesday, March 30, 2016 by Andrea

Math
How many apples will it take to get 27kg 8 divided by ? equals 27kg
Wednesday, March 30, 2016 by Nick

Math
How many numbers are there in pie?
Wednesday, March 30, 2016 by Luis

Math
Milo's pancakes recipient makes 9 serving. It's calls for 3/4 cup milk.Milo's wants to make 6 serving. How much milk will he needs.
Wednesday, March 30, 2016 by Johnny

Math
A student takes a true-false test exam with 10 questions. If the student guesses all ten questions, find the probability he gets 7 or 8 right. p(x=7) + p(x=8) (.5)^7(.5)^3 + (.5)^8(.5)^2 I have the correct answers which are .117+.044= .161 But when I calculate the answer on ...
Wednesday, March 30, 2016 by Chris

Math
A recipe requires 3/4 cup of nuts for 1 cake. Enter the maximum number of cales that can be made using 7 1/2 cups of nuts.
Wednesday, March 30, 2016 by Grace

Math
If the ratio of red cars to Blue Cars is 3 to 5 and there are 55 blue cars how many red cars are there?
Wednesday, March 30, 2016 by Michael

Math
An attack submarine is at a depth of 560 feet below the surface and detects a ship on the surface with its sonar that is at a 1.5 degree angle of elevation. What is the actual distance from the submarine to the ship in yards. Additionally is the sonar travels through sea water...
Wednesday, March 30, 2016 by Mabel

Math
A can of soup is in the shape of a cylinder with a radius of 3.2 centimeters and a height of 10.2 centimeters. The label covers the entire lateral surface of the can. What is the approximate area of the label?
Wednesday, March 30, 2016 by ?

Math
If you were to count one number per seconds and counted seven hours per day how long would it take you to count a billion
Wednesday, March 30, 2016 by Kalai

math
Solve the problem.A cyclist bikes at a constant speed for 25 miles. He then returns home at the same speed but takes a different route. His return trip takes one hour longer and is 30 miles. Find his speed.
Wednesday, March 30, 2016 by uyi

math
simplify 6/ã3+2 1. 4/ã3 2. 12-6ã3 3. ã3-2 4. 3 plz help!!!
Wednesday, March 30, 2016 by boo

Math
Find the surface area of a sphere with a radius of 12 m. A. 1,809 m^2 B. 452 m^2 C. 7,235 m^2 D. 603 m^2 Not sure? Please help!
Wednesday, March 30, 2016 by Amber

math
m/5 - 7 = 22 So far i've done this: m/5 = 22+7 m/5 = 29 I don't know how to solve M
Wednesday, March 30, 2016 by Jonny

math
Line segment segment CD has a slope of negative start fraction two over three end fraction and contains point C(−3, −6). What is the y-coordinate of point Q(−1, y) if segment QC is perpendicular to line segment segment CD question mark
Wednesday, March 30, 2016 by Natalia

math (ms sue)
Suppose that one voter in the 2010 UK General Election was selected at random. The probability that the person voted for the Conservative Party was 0.36, the probability that the person voted for the Labour Party was 0.29, and the probability that the person voted for the ...
Wednesday, March 30, 2016 by Sam

Math
Taylor uses 32 buttons for every 4 blouses that she sees.What is the ratio of blouses to buttons? A. 1:4 B: 1:8 C: 4:1 D: 8:1
Wednesday, March 30, 2016 by Janya Thomas

Math
I need help coming up with a unique game that can be played at a carnival, amusement park or casino.... and u need to be able to explain the probabality of your game. Any ideas
Wednesday, March 30, 2016 by Rose

math
Jack saved $60 on a jacket during a 30% off sale.What was the original price of jacket. Will the answer be 200 dollars?
Wednesday, March 30, 2016 by meera

math
1.the vertices of triangle abc are A(2, -5) B(-3,5) C(3, -3). the trianlge is reflected over the x-axsis. use the arrow notation to discribe the origanal triangle and its reflection.
Wednesday, March 30, 2016 by Math 7

math ms.sue please help me
find the surface area of the rectangular prism. inches are:3 ,2 and 4 those are inches for height length and width
Wednesday, March 30, 2016 by ashleydawolfy

Math
A quadratic function is defined by f(x)=-3.7x^2+6.8x+4.2. A linear function is defined by g(x)=-0.5x+k. Determine the value of k so that the line intersects the parabola at exactly one point. Write your answer to the nearest hundredth
Wednesday, March 30, 2016 by Allanna

math
Sam needs to cut a piece of sheet metal into 8 pieces, it takes 5 minutes to cut, how many cuts will he make.
Wednesday, March 30, 2016 by jan

math
divide 15 into thirds and subtract form 14 divede into half?
Wednesday, March 30, 2016 by Anonymous

Math
An attack submarine is at a depth of 560 feet below the surface and detects a ship on the surface with its sonar that is at a 1.5 degree angle of elevation. What is the actual distance from the submarine to the ship in yards. Additionally is the sonar travels through sea water...
Wednesday, March 30, 2016 by Mabel

MATH
3/5 / 1/2
Wednesday, March 30, 2016 by Anonymous

Algebra I math
Which statement best demonstrates why the following is a non-example of a polynomial? 33/16 - 62y^2xz-35z^1/3y^2 a. The expression has a variable raised to a negative exponent. b. The expression has a variable in the denominator of a fraction. c. The expression has a negative ...
Wednesday, March 30, 2016 by Elena

math
whats the last two digits of 5 to the 347 power
Wednesday, March 30, 2016 by Alexis

Math
1.is -15 greater then less then or equal to -21 2.which number is greater then -24 A.-42 B.-27 C.-16 D.-32 3.which set of integers is ordered from least to greatest A.-13,4,0,-8 B.-5,-2,3,1 C.-12,-8,-4,7 D.15,6,-9,-21 4.5,0,_____,-14,-20 A.3 B.-4 C.1 D.18 Please help asap!!!!!
Wednesday, March 30, 2016 by NickWilde

math
another cylinder question volume formula is pi r-sqrt*h the dimensions are 8 inches with a 1.6 radius
Wednesday, March 30, 2016 by meshel

Math
A cone is 14cm deep and the base radius is 4.5cm. Calculate the volume of the water that will fill the cone
Wednesday, March 30, 2016 by Kayode

Business Math
The Principal of SACRO Primary is concerned that the average speed of cars travelling along Princess Road exceeds the recommended speed of 60km/h. A random sample of 10 cars had their speeds measured by radar and the results (in km/h) are as follows: 81, 53, 62, 79, 52, 68, 61...
Wednesday, March 30, 2016 by James

math
Nancy Tai has recently opened a revolving charge account with MasterCard. Her credit limit is $1,000, but she has not charged that much since opening the account. Nancy hasn’t had the time to review her monthly statements promptly as she should, but over the upcoming ...
Wednesday, March 30, 2016 by fila

Math
How to form an algebric equation for the question the length is greatet than its breadth by 5cm
Wednesday, March 30, 2016 by Alka

math
Consider a student loan of $17,500 at a fixed APR of 9% for 25 years. Calculate the monthly payment, determine the total amount paid over the term of the loan, and of the total amount paid, what percentage is paid towards the principal, and what percentage is paid for interest?
Wednesday, March 30, 2016 by suresh

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