Tuesday
May 24, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
A marathon covers 26 miles and 385 yards. If a runner averages 1.8 meters per second, how long in hrs will it take to complete the marathon?
Monday, May 2, 2016 by Rosie

Math
At your present job, your annual salary is $76 025 Cdn. The salary for your new job is $75 000 US.? Does your new job provide an increase or decrease in salary? Explain your reasoning.
Monday, May 2, 2016 by Tala

math
A board of 4 members is going to be formed from the 30 students of a class. The board is formed of: a president a vice president a secretary and a treasurer. What is the number of possible boards knowing that each of the 30 students can occupy any post?
Monday, May 2, 2016 by angy

Math
a. Calculate the total cost of moving from your current location to your new location for each of the options.? Option A: Renting a moving truck and towing vehicle. 16 ft cube truck, iHaul fee $1.13/km, Fuel consumption rating 23.5 L/100 km, the customer pays for fuel. Option ...
Monday, May 2, 2016 by Tala

Math
The world's tallest building is the Burj Khalifa in Dubai at 828 m tall. The CN Tower in Toronto is 553 m tall. Ryan wants to compare the Burj Khalifa and the CN Tower by creating rectangular prism models on a 10 cm by 10 cm square base. He decided to represent the Burj ...
Monday, May 2, 2016 by Tala

Math
Financial Mathematics why is it that a question states that a person buys a car for R122 000 and pays 10% of the cost but then the answer to it they have multiplied the amount by 0.09 which is 9%?
Monday, May 2, 2016 by Anonymous

math
Lucia is hoping that Angela will buy her a geometrically interesting piece of land on which he will build a mansion. Lucia has said that she will only buy the land if it costs less than $4.00 per square foot. The plot shown below is listed for $453,175. Is Angela going to be ...
Monday, May 2, 2016 by Timothy

math
TWO EGGS ARE SIMILAR IN SHAPE WITH MASS 50 G AND 70G THE HEIGHT OF BIGGER EGG IS 8 CM FIND THE HEIGHT OF SMALLER EGG SCALE FACTOR K=0.238
Monday, May 2, 2016 by rajeswari

Math
Mrs.thomas bought a new blanket shaped like an equilateral triangle that measures 3 feet on each edge.how long should the ribbon be?
Sunday, May 1, 2016 by Anonymous

Math
Given u = 1/SQRT(10) (-2,1,-1,2). Find a unit vector v satisfying the condition that u . v = -1.
Sunday, May 1, 2016 by Joc

math
Draw a number line to show 3/4 and 6/8 are equivalent.
Sunday, May 1, 2016 by Hallen

math
Give me steps to find log of32 in log table
Sunday, May 1, 2016 by lucifer

Math
A florist used 12 flowers to make a bouquet, including 4 daisies. What is the probability that a randomly selected flower will be a daisy?
Sunday, May 1, 2016 by Jack

Math
Compound Interest A Interest paid on the principal and the interest of a deposit or loan. B Percentage of discount on a purchase C The amount on income taxes paid by a business D Interest paid only on the principal of a deposit or loan Is it d?
Sunday, May 1, 2016 by gabby

Math
Which triangle is not possible to construct? A a right isosceles triangle B an acute equilateral triangle C an obtuse scalene triangle D a right equilateral triangle This is the second time ive posted but the last thread got confusing
Sunday, May 1, 2016 by help appreciated

Math
1 dandelion = 4 wildflowers 3 ferns = 8 wildflowers How many dandelions equal 12 ferns?
Sunday, May 1, 2016 by Sai

Math
1 Constant of Proportionality A a number that has more than two factos B The distance between the numbers on a scale of a graph C polygon that has four sides D equation to represent a proportional relationship Im pretty sure its D right?
Sunday, May 1, 2016 by gabby

MATH
Which triangle is not possible to construct? A a right isosceles triangle B an acute equilateral triangle C an obtuse scalene triangle D a right equilateral triangle Would it be A
Sunday, May 1, 2016 by help appreciated

math
how much sugar am i using if i use 3 tablespoons and want it in teaspoons? 1/2 teaspoons = 0.16 tablespoons
Sunday, May 1, 2016 by Anonymous

Math
24. A radio signal travels at 3.00 x 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54 x 10^7 meters?
Sunday, May 1, 2016 by Leet Speaker

Math
A circle’s area is represented by A = π(x2 − 22x + 121). What expression represents the radius of the circle? A. x + 11 B. x − 11 C. x − 22 D. x + 22 I got d please correct if wrong thx.
Sunday, May 1, 2016 by Norman Hirani

math
It the track is 1/4 mile around and you do 3 laps in 4 and 1/2 min, how many mile per hour do you run?
Sunday, May 1, 2016 by sheryl

Math
Potatoes are sold in 2.25 pound bag. how many whole bag must tanisha buy in order to have enough potatoes?
Sunday, May 1, 2016 by Anonymous

Math
Is this answer correct? 55% of x = 2 The answer I got was 40/11.
Sunday, May 1, 2016 by Nina

MATH
The median number of goals scored by 8 players in a certain soccer season is 5. The range of the number of goals scored by those players that season is 4. Determine if the following statement is true, is false, or does not contain enough information. At least one player scored...
Sunday, May 1, 2016 by rish

Math
Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 6, Q1 at 7.5, median at 8, Q3 at 23, max at 32.5 The mean, because the data distribution is symmetrical The median, because the data distribution is symmetrical The...
Sunday, May 1, 2016 by help

Math
The function b(h) models the percent of a certain wildflower that blooms during months in which the average daily sunlight is h hours. Name the most appropriate domain for this function. A. Integers, h ≤ 24 B. Integers, 0 ≤ h ≤ 24 C. Real numbers, 0 ≤ h...
Sunday, May 1, 2016 by Sanjay Gupta

math
A draws a card from a pack of n cards marked 1,2,3,...,n. The card is replaced in the pack and B draws a card. Find the probability that A draws I)the same card as B. Ii)higher card than B.
Sunday, May 1, 2016 by please help urgently

Math
45% liked literature, 70% liked music and 15% liked none.if 60 students liked both subjects. Find the number of students participated in this survey.
Sunday, May 1, 2016 by Bhabook

math
in a series of 5 one day cricket matches between A and B, the probability of B winning or making draw are 1/3 & 1/6 respectively. If a win, loss or draw gives 2,0 or 1 points respectively, find the probability that B will score 5 points in the series.
Sunday, May 1, 2016 by please do help urgently

Math
angle theta is in standard position on a co-ordinate grid. the terminal arm of theta is in quadrent 2 on the line thats equation is 3x-4y=0. Determine the sine of this angle and then the measure of angle theta.
Sunday, May 1, 2016 by Rachel

math
a student takes up a True or false exam of 10 questions. he is completely unprepared and so he starts guessing randomly. he may toss a coin and use the outcome to determine the guess. compute the probability that he guesses correctly atleast five times.
Sunday, May 1, 2016 by Urgent help needed please

math trick question
Trick question? Suppose m<A=77 degrees. What is the measure of a complement of a complement <A? Explain. a complement of angle 77 is 13 degrees. but a complement of a complement wouldn't that be 77?? Help!!
Sunday, May 1, 2016 by Anice

math
Given one side of a golden rectangle is 3.7 inches, find the possible lengths of the other side. Notice that the other side can be either longer or shorter than 3.7 inches. Round your answers to the nearest tenth and use Greek Phi symbol=1.618.
Sunday, May 1, 2016 by Bobby Jackson

math-middle school
Kendra says that she can draw ,A and <B so that m<A is 119 degrees and <A and <B are complementary angles. Do you agree or disagree. explain. I would disagree since complementary angles equal 90 degrees.
Sunday, May 1, 2016 by Anice

math
Is it possible to have a semiregular tessellation using 2 pentagons and 4 decagons?
Sunday, May 1, 2016 by Pamela Beaty

7 th grade math
You check 20 batteries.Fourteen do not have a charge. Part a. What is the experimental probability that the next battery you check does not have a charge? Part B. Select an answer from each box to make the statement true If 300,100,240 batteries are tested I would expect 30,...
Sunday, May 1, 2016 by Phyl

MATH- HELP PLEASE. IM LOST
Given one side of a golden rectangle is 3.7 inches, find the possible lengths of the other side. Notice that the other side can be either longer or shorter than 3.7 inches. Round your answers to the nearest tenth and useGreek Phi normal.svg=1.618.
Sunday, May 1, 2016 by Bobby Jackson

math
six girls are to enter a dance with ten boys so that every girl is between two boys. what is the probability that some specified boy remains between two boys?
Sunday, May 1, 2016 by Please do help urgently

Math
I need help please. 89°F= ___C
Sunday, May 1, 2016 by Mary

Math
What is 5/6 of 1/2
Sunday, May 1, 2016 by Heidi

Math
Calvin and Brain drive at a speed of 70 km/h and 80 km/h respectively. Calvin sets off from City A. Brain sets off from City B. The distance between the City A and City B is 300 km. If they set off at the same time towards each others, when will they meet?
Sunday, May 1, 2016 by Bird

math
three digit numbers are to be formed from digits 0,1,2,3...9 if repetitionis allowed. (a) how many of such numbers can be formed? (b)how manyof the numbers in(a)are divisible by 3 and how many of 9? (c) find the sum of all the numbers divisible by 3 but not divisible by 9
Sunday, May 1, 2016 by tee

Math
The sum of the first three terms is 24 and the sum of the next three terms is 51. Find the first term and the common difference
Sunday, May 1, 2016 by Anonymous

Math NEED HELP!!!!!!
Explain how to construct a perpendicular bisector.
Sunday, May 1, 2016 by Asia

Math
Gunny has a sheet of plywood that is 4 feet by 8 feet she wants to saw the plywood into pieces 1 foot high and 2 feet long for signs How many signs can she make with the sheet of plywood?
Sunday, May 1, 2016 by CINDY

Math
Brianna deposits $150 at the end of each quarter into an account that pays 8% compounded quarterly for 9 months. calculate the amount in the account at the end of the period. I did this .. 150[(1 + .08)^9x3 – 1] 3 divide the top half by .08/3 = 150[(1+0.027)^27-1] divide ...
Saturday, April 30, 2016 by jennifer

Math (pleaseeeee answer I'm confused)
1. A point on the ceiling of a room is 12ft. from each of the vertices of a triangle on the floor whose legs are 6ft. A and 8ft. respectively. find the length of the ceiling. 2. With a 12ft. pole marked in feet, how can one determine the foot of the perpendicular let fall to ...
Saturday, April 30, 2016 by Kaye

Math(solid mensuration)
The lateral edges of edge 8m of an oblique square prism is inclined at an angle of 30 degrees with the altitude. What is the altitude of the prism?...
Saturday, April 30, 2016 by Drew

Math
0.85,0.89,0.9,0.8 order from least to greater
Saturday, April 30, 2016 by Saima

math
Show calculations to support your answer V=ðr^2h cylinder h=12.4cm r=6.2cm show work please
Saturday, April 30, 2016 by lisa

math
a fair die is tossed until a score of less than 5 points is obtained . The probability of obtaining not less than 2 points is?
Saturday, April 30, 2016 by Please do help

math
Determine the volume of perfume that would fit into each container. Show calculations to support your answer cylinder h=12.4cm r=6.2cm please help
Saturday, April 30, 2016 by lisa

Math
Name things that are false about prime numbers
Saturday, April 30, 2016 by Nicole

math
Eight players P1, P2,. ..... P8 play a knock-out tournament. It is known that whenever the players Pi and Pj play; the player Pi will win if i < j. Assuming that the players are paired at random in each round, what is the probability that the player P4 reaches the final ?
Saturday, April 30, 2016 by Please help

math
By what percent will a fraction decrease if its numerator is decreased by 50% and its denominator is decreased by 25%?
Saturday, April 30, 2016 by Anonymous

math
if the papers of 4 students are checked by any of the 7 teachers, then the probability that all the 4 papers are checked by exactly 2 teachers is?
Saturday, April 30, 2016 by Maths

math
The median number of magazine appearances made by 7 models is 5. The range of magazine appearances by those models is 5. Determine if the following statement is true, is false, or does not contain enough information. The fewest magazine appearances could be 1. true false or ...
Saturday, April 30, 2016 by rish

Math (Dividend Growth Rate)
I'm trying to figure out the annual dividend growth of a company in 30 years using the current annual dividend rate, and the 5 year growth rate. The formula is A= P(1+r)^t The current dividend Is $1.92 and the Five year dividend is $2.3 So I took 1.92(1 + .023)^30 and got ...
Saturday, April 30, 2016 by mysterychicken

Math
isoceles triangle with vertex of 45 degrees, base angles are 67.5 degrees. The 2 legs are 10' in length. What is the length of the base? (I am an older adult with minimal math skill. Just have a building project.)
Saturday, April 30, 2016 by Tom

MATH
HOW MANY LITRES OF WATER CAN FILL A TANK THAT MEASURES 50CM BY 10CM BY 20CM
Saturday, April 30, 2016 by ADE

MATH
FIND THE NUMBER OF TERMS IN THE A.P 11,14,17...83
Saturday, April 30, 2016 by ENIOLA

Math
A tree and a flag pole are on the same horizontal ground, A bird on top of the tree observes the top and bottom of this flag pole below it at angle 45 degrees and 60 degrees respectively, If the tree is 10.65 meters high ,calculate and correct to 3 significance figures the ...
Saturday, April 30, 2016 by Edwin

math
A car is the 7th from each column, how many vehicles were in the line
Saturday, April 30, 2016 by Fickmann

Math
A number is selected from 5 t0 14 inclusive.what is the probability that it is either an even number or a factor of 40
Saturday, April 30, 2016 by Anonymous

Math
The rectangular backboard of a basketball court needs to be assembled. Its area is given as 18,900 cm2 and the width as 1.8 m. What is the backboard’s length in metres? m
Saturday, April 30, 2016 by Alex

Math
A plant 73cm tall.how many more centimetres does it have to grow before it is 1 metre tall?
Saturday, April 30, 2016 by Raj

math
Stock worth $60 a share dropped in value by 20% on Monday, then, again by $10 the next Tuesday and, finally, increased by 55% the following Friday. What was the final price of a share?
Saturday, April 30, 2016 by Anonymous

math
By what percent will a fraction decrease if its numerator is decreased by 50% and its denominator is decreased by 25%?
Saturday, April 30, 2016 by Anonymous

math
A store gets a bucket of eggs for $16.20 and sells a dozen eggs for $3.50. If there are 450 eggs in the bucket, by what percent has the store increased the price per dozen eggs?
Saturday, April 30, 2016 by Anonymous

math
If a gang of eight rob a bank, what percent of the loot belongs to three of the robbers? What percent belongs to them if two of the gang are killed? By what percent does each robber’s share increase?
Saturday, April 30, 2016 by Anonymous

math
A store manager wishes to reduce the price of her fresh ground coffee by mixing two grades. If she has 50 pounds of coffee which sells for $1.20 per pound, how much coffee worth 80 cents per pound must she mix with it so that she can sell the final mixture for $1.00 per pound?
Saturday, April 30, 2016 by Anonymous

math
What is 29672 rounded to the nearest 500
Saturday, April 30, 2016 by lily

consumer math
'if I borrowed 1380 for 15 months at 13%APR what will be her monthly payment
Saturday, April 30, 2016 by Jasmine

Math
Gerry and Jane play a trivia game. Gerry's score is -17 and Jane score is -24. What is the difference between Gerry's score and Jane's score?
Saturday, April 30, 2016 by Mixed up

MATH
Write 2-3 as an addition problem. Then simplify the expression. Write -7 -(-4) as an addition problem. Then simplify the expression. -1 (-7) as an addition problem. Then simplify the expression.
Saturday, April 30, 2016 by Speedy

math
Describe how to add-8 and 14 on a number line that runs from -10 to 10. would this answer be = 6
Saturday, April 30, 2016 by Speedy

MATH
Amy gains 3 points, Jamal gains 5 points What is the number of points Amy and Jamal gain altogether? Would you represent this amount as a positive or negative number? Why? Will my answer be = +15
Saturday, April 30, 2016 by Speedy

math
Austin is watching a football game. His team loses 9 yards and then gains 5 yards. He doesn't watch the next play, but afterward, he sees that his team now has a total loss of 1 yard. How many yards did the team gain or lose on the play Austin missed?
Saturday, April 30, 2016 by Speedy

MATH
Ray loses 4 points Kim loses 2 points What is the number of points Ray and Kim lose altogether? Would you represent this amount as a positive or negative number? Why?
Saturday, April 30, 2016 by Speedy

Math
A bucket begins weighing 15 pounds, including the sand it holds. The bucket is to be lifted to the top of a 50 foot tall building by a rope of negligible weight. However, the bucket has a hole in it, and leaks 0.1 pounds of sand each foot it is lifted. Find the work done ...
Saturday, April 30, 2016 by David

Math
An object's velocity after t seconds is v(t)= 38-2t feet per second. a. How many seconds does it take for the object to come to a stop (velocity = 0)? b. How far does the car travel during that time? c. How many seconds does it take the car to travel half the distance in ...
Saturday, April 30, 2016 by Peter

Math
Hello, could someone please go over the steps for this question? Thank you! 1. Find the circumference. Leave your answer in terms of pi. The middle line going through the circle is 8.4 (I'm so sorry I don't know the name of the line, brain fart). A) 12.6 pi cm B) 4.2 ...
Saturday, April 30, 2016 by Tim

math
The Little Lion's water cooler was filled with 255.5 ounces of water. The cooler's tap is emptying out 0.3 ounces of water per second. In how many seconds will the cooler be 40% full? THANK YOU!
Saturday, April 30, 2016 by Tim

Math
Create a set of 15 numbers that have a mean of 65, a median of 60, a mode of 71, and a standard deviation of 25.1
Saturday, April 30, 2016 by Aaron Thomas

math
1.)Mother bought one loaf bread costing php85.00 she also bought two packs of laundry soap that costs php74.00 a pack and toothpaste that costs php86.00 a box.if she paid a 500-peso bill,how much was her change? 2.)Lora is making a necklace.She needs 32 beads for 1/4 of the ...
Friday, April 29, 2016 by joshua quiban

Math (please help)
In a blueprint, each square has a side length of ¼ inch. 1 in. : 6 ft Bathroom - 6 squares Bedroom - 20 squares Living Room - 28 squares a. Ceramic tile costs $5 per square foot. How much would it cost to tile the bathroom? $ b. Carpet costs $18 per square yard. How ...
Friday, April 29, 2016 by Paulina

math
Write an expression by combining like terms. 4(1/3x - 1)-3(2/5x - 3) THANK YOU!
Friday, April 29, 2016 by Tim

math
1.)There are 35 roses.7 of theme are white and the rest are red.how many red roses are there? 2.)There were 27 children in the classroom.several more children came.and there were 58 children in all.How many children came in? 3.)Marie picked 31 empty cans.lyn 5 cans fewer than ...
Friday, April 29, 2016 by joshua quiban

Math
Lily has 12 balloons. 5 are blue, 3 are red and the rest are green. What fractions of the balloons is green? Give your answer in its simplest form.
Friday, April 29, 2016 by Fatheha

Math
Y= 2x -1 and y= x+3 (2,4) (-4,2) (4,2) No solutions
Friday, April 29, 2016 by Mia

math
At a concert there are 3 times as many women as men. 3/5 of the men and 1/3 of the women wear glasses. There are 120 more women wearing glasses than men wearing glasses .How many people are at the concert?
Friday, April 29, 2016 by Alicia

Math
1. In this scenario, identify the population, the sample, and any population parameters or sample statistics that are given. A medical study followed 675 cancer patients who received either the new drug Lafent or a standard chemotherapy drug. 76% of those who receives Lafent ...
Friday, April 29, 2016 by Devhin Miles PLEASE HELP

Math
The diagram shows how 3 people figured out how to share 2 cookies. Which equation does Not match the diagram. A.3/2 = 3 * 1/2, B.2 / 3 = 2/3, C.2 / 3 = 2 * 1/3, D.2 / 3 = 1/3 of 2.
Friday, April 29, 2016 by Pier

math
The Davidson family wants to expand its rectangular patio, which currently measures 15 ft by 12 ft. They want to extend the length and width the same amount to increase the total area of the patio by 160 ft2. Which quadratic equation best models the situation? A = lw (15)(12...
Friday, April 29, 2016 by joe

math
Pedro pours 3 pints of iced tea into separate containers that can hold 1/2 pits of iced tea. how much iced tea Pedro had.
Friday, April 29, 2016 by bob

math
if letters of the word REGULATIONS are arranged at random. what is the probability that there will be exactly 4 letters between R and E?
Friday, April 29, 2016 by subject

Math/Computer
I had finished a project and the last question is making me graph something on Word. How do I graph (3, 0) on word? Thank you :)
Friday, April 29, 2016 by Alexia Smith

Math
2. Based on the experimental probability predict the number of times you will roll a 5 if you roll the number cube 300 times. 15 27 48 54
Friday, April 29, 2016 by FluttershyK22

math
The table shows the results of rolling a number cube labeled one through six 50 times. (table) number rolled: 1, 2, 3, 4, 5, 6 Frequency: 7, 9, 11, 6, 9, 8 What is the experimental probability of rolling 3? 0.11 0.22 0.30 0.27
Friday, April 29, 2016 by FluttershyK22

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