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March 3, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

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Math equation
Question1 The difference of a number and 7 is -8 I put n-7=-8 Is that correct? Question 2 Six less than the product of four and a number is -5 I put 6-4n= -5
Wednesday, January 14, 2015 at 5:58pm

math
Question: You can type 115 words in three minutes. About how many words can you type in seven minutes?
Wednesday, January 14, 2015 at 5:52pm

math
An observer stands 25 feet from the base of a 50 foot flagpole and watches a flag being lowered at a rate of 5 ft/sec. Determine the rare at which the angle of elevation from the observer to the flag is changing at the instant that the flag is 25 ft. Keep getting like .1 or .2...
Wednesday, January 14, 2015 at 5:49pm

Math
3.   The tax rate on Harriet Walker's $80,000 vacation home is 20 mills. The property is assessed at full value. How much will Harriet Walker pay in taxes this year?      A. $1,600 B. $2,000 C. $640 D. $440 B?
Wednesday, January 14, 2015 at 5:48pm

Math
A 120-ft long playground is just 15-in on the scale drawing.What is the scale on the scale drawing? How would you solve this question?
Wednesday, January 14, 2015 at 5:43pm

Math
1/9x + 3= -1 I put 1/9x =2 X=18
Wednesday, January 14, 2015 at 5:34pm

Math 7th grade
1/15 =3/5m For my answer, I put m= 1/5 Is that correct?
Wednesday, January 14, 2015 at 5:17pm

Math.
A new $20 weighs approximately 0.5 gram. Write a linear function that shows the weight of x $20 bills. - Part b. How much do 120 $20 bills weigh? Please Help!!
Wednesday, January 14, 2015 at 5:15pm

Math
7x-10x=9 My answer x= -3
Wednesday, January 14, 2015 at 5:13pm

Math
An annual pass covering entrance fees to more than 2000 national parks cost $80. If the total income from the annual passes is $12,800 in one month. Write the equation and solve it. For my equation I put 12800p=80
Wednesday, January 14, 2015 at 5:11pm

math
4 PART Your weight on different planets is affected by gravity. An object that weighs 150 pounds on Earth weighs only 56.55 pounds on Mars. The same object weighs only 24.9 pounds on the Moon. A)What percent of an object's Earth weight is its weight on Mars and on the Moon...
Wednesday, January 14, 2015 at 5:00pm

math
I just want to see if my answers are correct and if no, can you please show your work and explain how to do it? Thank you. A. (x^1/2)^4√x^6 I got an answer of x^2x B. √x^4y^12 I got an answer of xy C. 3√a^6b^3 I got an answer of a^2b D. (x^1/3y)^3√x^2y^...
Wednesday, January 14, 2015 at 4:56pm

math
I just want to see if my answers are correct and if no, can you please show your work and explain how to do it? Thank you. A. (x^1/2)^4√x^6 I got an answer of x^2x B. √x^4y^12 I got an answer of xy C. 3√a^6b^3 I got an answer of a^2b D. (x^1/3y)^3√x^2y^...
Wednesday, January 14, 2015 at 4:31pm

Math
Andie bought 4.85 meters of cord. The cord costs $0.98 per meter. What was the total cost of the cord? My answer is $5.83 Is that correct?
Wednesday, January 14, 2015 at 4:06pm

Math
Write an expression that is equivalent to 6(4+x)
Wednesday, January 14, 2015 at 4:01pm

math
the waiting time for a roller coaster is 20 minutes if 150 people are in line how long will you wait if 240 people are in line
Wednesday, January 14, 2015 at 3:25pm

math
a shopkeeper after allowing a discount of 10% on the market price makes a profit of 8%.what percent above the cost price is it market.
Wednesday, January 14, 2015 at 2:36pm

math
Does the Commutative Property apply to this situation? I ate dinner and read a book. I got = Yes.
Wednesday, January 14, 2015 at 2:18pm

math
If Jim is twice as old as Jerry plus six, Jerry is three years older than Tom, and Tom is 12, how old is Jim? I got = Jim is 36
Wednesday, January 14, 2015 at 1:55pm

math
whats 9+10
Wednesday, January 14, 2015 at 12:52pm

math
Log[u/v] × log [s/t]
Wednesday, January 14, 2015 at 12:51pm

Math
Could someone please show how this is done or explain how to do it. thank you The pie chart below shows how the annual budget for a certain company is divided by department. If the amount budgeted for Editorial and Engineering combined is , what is the total annual budget? ...
Wednesday, January 14, 2015 at 12:46pm

math
You need to hire a part-time associate to work 30 hours a week in your store. You have $250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has requested to be paid $9.00 per hour. Your average part-time ...
Wednesday, January 14, 2015 at 12:20pm

math
how to slove 35cents:$2.25 in ratio
Wednesday, January 14, 2015 at 11:04am

Math
5. A system of linear inequalities is shown below: x + y ≥ 4 y < 2x – 3 Describe the steps to graph the solution set to the system of inequalities. Be specific. (10 points)
Wednesday, January 14, 2015 at 9:07am

math
you have 2 pennies, 3 nickels, 1 dime and 2 quarters. how many different sums of money can you make using one or more of these 8 coins
Wednesday, January 14, 2015 at 9:01am

B.S,geography,agricultural sciences and math l
will i be able to study low at ukzn or tut or wherever with my learing areas
Wednesday, January 14, 2015 at 4:42am

B.S,geography,agricultural sciences and math l
will i be able to do nursing at ukzn with those subjects
Wednesday, January 14, 2015 at 4:39am

math pow
there are about 20 potatoes in a five pound bag and restaurant uses about two potatoes per order of french fries how much money does the restaurant taking on a day that they use 400 pounds of potatoes
Tuesday, January 13, 2015 at 11:18pm

math
A bag contains the following marbles:6 red,4 orange,3 yellow,2 blue and 5 green. You choose a marble at random and do not replace it. Then you select another marble. P(red,then blue)3/95 P(orange,then blue) 2/95 P(blue,then yellow) 3/190 P(red,then yellow) 9/190 P(blue,then ...
Tuesday, January 13, 2015 at 10:22pm

Math
Of the vehicles on the road, 1/2 are cars and 1/8 are motorcycles. What fraction of the vehicles are not cars or motorcycles?
Tuesday, January 13, 2015 at 10:19pm

math
If the width of the image is 5 inches and the width of the preimage was x. What is the scale factor and center of dilation at the origin
Tuesday, January 13, 2015 at 10:16pm

Math
Jeffrey biked to the store at 12 miles an hour but took his time on the way home going 8 miles an hour. If it took him 20 minutes to get to the store, how many minutes did it take him to get back?
Tuesday, January 13, 2015 at 10:12pm

Math
Example of a real-world relationship where there is no clear independent or dependent variable.
Tuesday, January 13, 2015 at 10:12pm

Math
Given f(x)=-2-3x-x^2 , find f(1+k)
Tuesday, January 13, 2015 at 10:11pm

Math
Elizabeth took 13 minutes less than twice as long as Heather to solve the puzzle if their total time together was 23 minutes who took less time to solve the puzzle? How much less?
Tuesday, January 13, 2015 at 10:11pm

Math
The 80 8th graders took a trip. The boys numbered 16 fewer than twice the number of girls. How many of the eighth graders are girls?
Tuesday, January 13, 2015 at 10:09pm

math
For a carnival game, a cube is rolled.Each of its six faces has a different color. To win,you must select the color rolled.Find the probability of playing the carnival game twice and winning both times. B.suppose for the game,you choose red and your friend picks blue. What is ...
Tuesday, January 13, 2015 at 10:06pm

Math
A flagpole casts a shadow of 23.5 feet long.at the same time of day, Ana, who is 5.5 feet tall, casts a shadow that is 7.5 feet long. How tall in feet is the flagpole?
Tuesday, January 13, 2015 at 9:24pm

Math
ling has 4m pounds of flour. she buys another 2 packages of flour, each weighing m pounds. how much pounds does ling have in terms of m
Tuesday, January 13, 2015 at 9:04pm

Math
It takes Jaiden 5 and 3/4 hours to do her homework each week. It takes her 2 and 3/4 hours to complete her science and 1 and 1/2 hours to complete her math homework. How long does it take her to complete Social Studies homework? Use the numbers and symbols, listed below, to ...
Tuesday, January 13, 2015 at 8:57pm

Algebra- Middle
My math question ask is 1/3(x-9) = 2x+7 greater than or less than 4/3(x+4)= -4x. The problem (1) answer = 6. Problem (2) answer = -1. Therefore problem (2) is less than problem (1). Are the answer to the equations correct. Sincerely
Tuesday, January 13, 2015 at 8:34pm

math
Problem: A ball is dropped from the top of a building that is 250 feet tall. The height h of the ball in feet after t seconds is modeled by the function h = -16t2 +250. How long will it take for the ball to reach the ground? Round your answer to the nearest tenth if necessary.
Tuesday, January 13, 2015 at 8:31pm

Math
On a winter's day, 9 degrees Fahrenheit is th highest temperature recorded. Which inequality represents the temperature, t, in degrees Fahrenheit, at any time on this day?
Tuesday, January 13, 2015 at 8:09pm

algebra
My math problem is -2(2+3)-2k = -2-4(2+2) My answer is k=20 is this answer correct.
Tuesday, January 13, 2015 at 8:06pm

5th grade math
Julian wants to put a border around two sides of his rectangular shaped garden. he has a 12 foot piece of lumber that will be cut into 1/3 foot pieces. how many 1/3 foot pieces can Julian cut from the lumber? 12 divided by 1/3
Tuesday, January 13, 2015 at 8:02pm

Math
My math question is 1. 2x6squared - 26/2 72-13 = 59 2. 1/3(x-9) = 2x+7 is -11 Am I correct. Thanks
Tuesday, January 13, 2015 at 7:54pm

Math
Math question is combining like terms then simplify. 3 3 6b - 2b+2b+2b -b 3 My answer is 4b -b
Tuesday, January 13, 2015 at 7:44pm

Math
I'm stuck on this problem about percentages, I don't know what to do 8 9/25 as a percentage
Tuesday, January 13, 2015 at 7:36pm

math please help ASAP
There is a plane on top of a triangle with angles of 40 degrees and 80 degrees. The 40 degree angle is on the bottom left and the side opposite is Y. The 80 degrees angle is on the bottom right and the side opposite is X. So... What is X and what is Y?
Tuesday, January 13, 2015 at 7:30pm

Algebra
The question in my math book is 1/3(x-9) = 2x +7 My answer is x = 7 Is this a correct answer.
Tuesday, January 13, 2015 at 7:27pm

math
Make the sum of the numbers across equal the sum of the numbers down. 7 5 1 9 3
Tuesday, January 13, 2015 at 7:24pm

Math
You answered 85% of the questions on the quiz correctly. What fraction of the questions did you answer correctly?
Tuesday, January 13, 2015 at 7:23pm

MATH
describe how the graphes of y=/x/ and y=/x/-15 are related A:the graphs have the same shape.The y-intersept of y=/x/ is 0, and the x-intercept of the second graph is -15 B: the graphs have the same y-intercept. the second graph is steeper then y=/x/ C:the two graphs are the ...
Tuesday, January 13, 2015 at 7:16pm

Math
My math problem is combining like terms then simply. 3 3 6b - 2b + 2b + 2b -b Answer is (b)
Tuesday, January 13, 2015 at 7:15pm

Math MIddle
2 2x6 - 26/2 My answer is 72-13=59
Tuesday, January 13, 2015 at 7:09pm

Math
Q. Russell was scheduled to leave on his vacation when a major snowstorm came through and canceled three-fourth of the flights out of the airport. There were 496 flights scheduled for that day. How many flights were able to leave the airport? - A. Do I divide 496 with 3 than ...
Tuesday, January 13, 2015 at 7:07pm

math
You are installing a new deck around your pool. The pool is rectangular with the dimensions 8m by 4m. The deck will surround the pool and will have a width by 2m. How much security fencing is required around the deck.
Tuesday, January 13, 2015 at 7:03pm

math
There is a plane on top of a triangle with angles of 40 degrees and 80 degrees. The 40 degree angle is on the bottom left and the side opposite is Y. The 80 degrees angle is on the bottom right and the side opposite is X. So... What is X and what is Y?
Tuesday, January 13, 2015 at 7:00pm

math
Jill has a total of 12 1/2 hours of football practice after school five days a week. a. How many hours of practice will he have for 15 school days? I think the answer is 37 1/2 hours. b. How many hours of practice will he have for 22 school days? I think that the answer is 55 ...
Tuesday, January 13, 2015 at 6:59pm

Math
What is the area of a quadrilateral with sides 24 and 40 and a shared angle of 135 degrees ? Thank you
Tuesday, January 13, 2015 at 6:57pm

math
According to the 2003 U.S. Census, approximately 129 million americans spend 3.4% of a 24-hour day commuting. How many minutes a day does a person in this group spend commuting?
Tuesday, January 13, 2015 at 6:23pm

math
Jamal made a list of fractions and asked Will to find the fraction written in simplest form. Which fraction should Will choose? 1/8, 3/89, 9/18, 6/10?
Tuesday, January 13, 2015 at 6:22pm

Math
Line "a" passes through points with coordinates (-3,5) and (0,0) and a line "b" passes through points with coordinates (3,5) and (0,0). Explain how you would determine whether lines a and b are parallel perpendicular or neither
Tuesday, January 13, 2015 at 6:12pm

Math
Jay's term paper is 18 pages long. If Madison's paper is 175% of the length of Jay's paper, find the length of Madison's paper.
Tuesday, January 13, 2015 at 5:58pm

Math
How to find the perpendicular line of y=1/3x-2
Tuesday, January 13, 2015 at 5:53pm

Math
Samuel has read 5/6 of his assignment. Judy has read 10/12. Of her assignment. Who has read more and why?
Tuesday, January 13, 2015 at 5:53pm

math
The electricity that powers our appliances is converted from many sources of energy. About 5/10 is made from coal, about 2/10 from natural gas, and about 2/10 from nuclear power.About how much of our electricity comes from sources other than coal, natural gas, or nuclear power?
Tuesday, January 13, 2015 at 5:38pm

math
Mr. Jenkins is going to buy museum tickets for a class trip. The museum director quotes him the following prices: • 20 tickets cost a total of $250. • 30 tickets cost a total of $375. • 50 tickets cost a total of $625. a. Based on these prices, is the cost of ...
Tuesday, January 13, 2015 at 5:35pm

Math
what is the slope of the line that passes through the points (1,3) and (5,-2) -5/4 - -5/4* -4/5 - -4/5 please help me someone thank you!
Tuesday, January 13, 2015 at 5:25pm

math
how do you find the area of 7.3+13=?
Tuesday, January 13, 2015 at 5:09pm

Math
Find the perimeter of a rectangle that has a length of 24 feet and a width of 16 feet. Use the formula P=2L +2w
Tuesday, January 13, 2015 at 4:54pm

Math
Me. And Mrs. Jefferson have a total of $5170 in the bank. At the end of the month, mr. Jefferson deposits $450 into his account, and news Jefferson deposits $626 into her account. They now have an equal amount of money in their accounts. How much money did each of them have at...
Tuesday, January 13, 2015 at 4:47pm

Math
Alan rode his bike 2.6 miles from home to the park . He rode 6.03 miles to the park. Then he rode back home along the original route. How many miles did Alan ride in all? Is this correct 13.83 miles?
Tuesday, January 13, 2015 at 4:43pm

MATH HELP
six neighbors share 4 pies equally. how much of a pie does each get? three brothers share 2 sandwiches equally. how much of a sandwich does each brother get?
Tuesday, January 13, 2015 at 4:42pm

Math
A rectangle has a length of 10 3/16 inches and a width oh 6 7/8 inches. What is the perimeter of the rectangle?
Tuesday, January 13, 2015 at 4:41pm

Finite Math
The quantity demanded x of a certain brand of DVD player is 3000/week when the unit price p is $485. For each decrease in unit price of $20 below $485, the quantity demanded increases by 250 units. The suppliers will not market any DVD players if the unit price is $350 or ...
Tuesday, January 13, 2015 at 4:40pm

Math
Juan bought two new tires for his bike. He also had the bike tuned up. The total bill was $65. How much did Juan spend on the 2 tires? My daughter thinks just divide by 2 and they are 32.50
Tuesday, January 13, 2015 at 3:48pm

math
which equation is the equation of a line that passes through (-10 3) and is perpendicular to y=5x-7 y=5x+53 y=-1/5x-7 y=-1/5x+1 y=1/5x+5 pls help? thanks
Tuesday, January 13, 2015 at 3:44pm

math
Shannon says my apartment number is a prime number. Which could be Shannons apartment number? 15 31 or 44 explain answer
Tuesday, January 13, 2015 at 3:35pm

math - pls check!!!
Write an equation in point-slope form for the line that passes through one of the following pairs of points (you may choose the pair you want to work with). Then, use the same set of points to write the equation in standard form and again in slope-intercept form. (5, 1) and (-...
Tuesday, January 13, 2015 at 2:49pm

math
What is the next number in the pattern 4, 9, 25, 49, 121, 169, ___
Tuesday, January 13, 2015 at 1:24pm

Math - Ratio
A map scale is 1:10,000. Find the actual distance in centimetres represented on a map by 5cm. Convert your answer to metres and kilometres.
Tuesday, January 13, 2015 at 1:08pm

Math - Trigonometry
You are riding the ferris wheel at the Montgomery County Fair. The wheel has a diameter of 36 feet and travels at a constant rate of 3 revolutions per minute. A car at its lowest is 4 feet above the ground. Write a sine function to describe the relationship between time and ...
Tuesday, January 13, 2015 at 12:50pm

Math
1400= 2/5x X= 7000 I took 1400 times 5
Tuesday, January 13, 2015 at 12:18pm

Math
Find the lateral area of the cone. Use 3.14 fo pi and round result to the nearest whole unit. radius: 15cm Side unit: 28cm Please help!! A) 1,319 cm squared B) 2,639 cm squared C) 707 cm squared D) 2,026 cm squared is the answer B?
Tuesday, January 13, 2015 at 11:32am

math
A motorist does the first part of the journey at an average speed of 54 km/h. He then increases his speed to 60 km/h for the rest of the journey. if he travels 225 km in 4 hours, what is the distance traveled for the first part of his journey????
Tuesday, January 13, 2015 at 11:22am

Math
David has a rectangular backyard and built a right triangle sandbox in the backyard. The cost of the sand is $5.50 per square foot and the border of the sandbox is $3.00 per linear foot. What was the cost of the materials of the sandbox?
Tuesday, January 13, 2015 at 9:59am

math
a 33 long rod is to be divided into three parts, each of which is progressively longer than the next part by 2 cm. how long is each part? solution pls.
Tuesday, January 13, 2015 at 9:22am

math
A piece of wooden rod 31 cm long is to be cut into three parts, two of which are to be of equal length. the length of each of the two equal part is 5 cm longer than third part. find their lengths. solution pls.
Tuesday, January 13, 2015 at 9:18am

math
If you flip a coin twice, what is the probability that a head or a tail will land up on the first flip. Express your answers as a percent.
Tuesday, January 13, 2015 at 9:15am

math
the side of an equilateral triangle measures 5 cm more than the side of a square. if both their perimeters are the same, what are their sides?
Tuesday, January 13, 2015 at 9:12am

math
find the measure of an angle if it is 6 degree less than twice its complement with solution pls.
Tuesday, January 13, 2015 at 9:08am

math
a rectangu7loar field is to be enclosed with exactly 240 meters of fencing materials. if the length is 8 meters more than the width, find the dimensions of the field with solution pls.
Tuesday, January 13, 2015 at 8:56am

math
each side of equilateral triangle is 5 cm shorter than the side of square. the sum of the perimeters of the two figures is 251 cm. how long is each side of the triangle? solution pls.
Tuesday, January 13, 2015 at 8:53am

math
the length of a rectangular mirror is 12 cm longer than its width. find its dimensional if its perimeter is 60cm.
Tuesday, January 13, 2015 at 8:19am

math
A piece of wire 34 cm long is cut into two parts. One part is to twice as long as other. how long is each part? solution pls..
Tuesday, January 13, 2015 at 8:14am

math,trigonometry
how do i state the law of sines and cosin in words ??
Tuesday, January 13, 2015 at 7:50am

math
Bo asked Luke to guess what month and day of the week he was born. If all things are considered equal, what is the probability that Luke guessed the month and the day of the week correctly.
Tuesday, January 13, 2015 at 6:14am

math
A test of 60 minutes contains questions on mathematics and english only. the time taken to solve a mathematics question is twice the time taken to answer an english question and the ratio of time taken to solve all mathematics questions to time taken to answer all english ...
Tuesday, January 13, 2015 at 1:56am

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