Branches of Math
Recent Math Questions
Lana travelled 50.40 kilometers in 84 minutes. Write an equation that can be used to express the relationship between the total kilometers travelled(t) and the minutes(m) it took. The answer I got was 1.66666... By dividing 50.4 from 84. My friend told me the answer was 0.60 ...
Monday, February 16, 2015 at 5:39pm
I'm just having trouble trying to see the independent and dependant variables. I have to determine whether the following are functions: The relation between distance and time if someone walks 5km/h. I think distance would be the independent variable because you can go ...
Monday, February 16, 2015 at 4:53pm
the track cpach records the number of laps the team runs each day fr a week in the table below. if the team rus at most 10 laps each day, then they have to practice saturday. use the inequalty l is less than of equal to where l represents the number of laps the teams run, to ...
Monday, February 16, 2015 at 2:17pm
the local lions club sold raffle tickets for a new golf caqrt. the sales for each week are given below. if more tha 250 tickets are sold, then the lions club raised enough for the golf cart. use the inequality t>250, where t representrs the number of tickets sold, to ...
Monday, February 16, 2015 at 2:10pm
the length and breadth of the room were measured and area calculated as 600sq.m. (l+B=50) later found the meter rod that had used as an error 5cm i.e actual length of the rod ws 95cm instead of 100cm. find the correct area of the room
Monday, February 16, 2015 at 9:32am
Straub's Bakery makes 200 Danish cakes that cost $2.70 each. Straub's needs a 66% markup on cost and normally discards 10% of what it makes. At what price should Straub's sell the Danish cakes?
Monday, February 16, 2015 at 1:08am
yesterday, molly lunch cost $9.80 and she left a $1.49 tip, today molly lunch cost $12.60 if she tips at the same rate that she did yesterday how much of a tip should molly leave
Sunday, February 15, 2015 at 10:16pm
Hi, thanks for help in advance. Using the Equation: f(w) = 10/w - 0.77ln(w) 3.2 How do i use Newton-Raphson iterative to find the required value of w correct to 3 significant figures, starting from w0 = 3. Thanks
Sunday, February 15, 2015 at 5:32pm
On sept 14 Jennifer went to bank to borrow 4400 at 10.25% interest Jennifer plans to repay the loan on january 27 assume the loan is on ordinary interest a. what interest will Jennifer owe on january 27?. Interest b. what is the total amount jennifer must repay at maturity? ...
Sunday, February 15, 2015 at 3:01pm
A rally car traveled for 2 hours 40 minutes at an average speed of 120 km/h. The car consumes an average of 1 litre of fuel for every 4 kilometers. A litre of the fuel costs $ 59. Calculate the amount of money spent on fuel
Sunday, February 15, 2015 at 1:58pm
John was the first US astronaut to orbit Earth. His 3 orbit flight took 4 hours and 55 minutes. His spacecraft took off at 7:15 am. What time was John flight complete?
Sunday, February 15, 2015 at 11:13am
A drawer contains 20 black socks and 20 white socks. If the light is off and you reach into the draw to get your socks, what is the minimum number of socks you must pull out in order to be sure that you have a matching pair?
Sunday, February 15, 2015 at 10:28am
Using: r(t)=15+e*0.04tsin(pi*t/3) "Explain why it takes longer to reach maximum heigh of the first ride but will exceed it." Do i have to use this equation or the previous one of: s(t) = 15+6sin(Pi*t/3). to explain why? Also, to find the distance off the ground as ...
Sunday, February 15, 2015 at 8:12am
The dissipation of heat through a composite material of width w centimetres can be modelled by the function f(w) = 10/w - 0.77ln(w) 3.2 You are required to find the width of material that will prevent any heat dissipation. - I understand f(w)= 0, but I'm unsure of ...
Sunday, February 15, 2015 at 7:27am
A liquid spray of mass 384 g is packed in a cylindrical container of internal radius 3.2cm. Given that the density of the liquid is 0.6g/cm3, calculate to 2 decimal places the height of liquid in the container.
Sunday, February 15, 2015 at 12:36am
A rectangular and two circular cut-outs of metal sheet of negligible thickness are used to make a closed cylinder. The rectangular cut-out ha a height of 18 cm. Each circular cut-out has a radius of 5.2 cm. Calculate in terms of area of π, the surface area of the cylinder.
Saturday, February 14, 2015 at 11:44pm
For his next trick, a magician will draw a royal flush 10, Jack, Queen, King and Ace of the same suit in the exact order without replacement. If there are no magic tricks and just pure randomness, what is the probability that he'll succeed?
Saturday, February 14, 2015 at 9:18pm
Train A leaves Tigerville at 9 am traveling east at 85 mph. Train B leaves Liontown at 9:20am travelling west at 60 mph on the exact same tracks. Tigerville and liontown are 154 miles apart. At what time will the trains meet?
Saturday, February 14, 2015 at 1:43pm
The dissipation of heat through a composite material of width w centimetres can be modelled by the function f(w)=10/w-0.77ln(w)3.2 You are required to find the width of material that will prevent any heat dissipation. State what equation you will need to solve?
Saturday, February 14, 2015 at 9:52am
At Sunny;s Smoothies 2/5 of the smoothies are made with citrus fruit and the rest are made with berries.1/8 of the berry smoothies contain bananas.What fraction of all the smoothies are berry banana?
Saturday, February 14, 2015 at 9:29am
Hello, I can not solve problem from analytical geometry. If you can help me to find out what is wrong in my procedure and show me a better one I would be really gratefull. There are given 3 points A(2,2,3), B (6,3,0), C(3,-1,-1). On the x ax-axis lies point X, find coordinates...
Saturday, February 14, 2015 at 4:25am
The annual interest rate for a customers loan of $425 is 15.75%. What is the total dollar amount to be repaid on the loan, including principle and interest, for the entire year?
Friday, February 13, 2015 at 10:31pm
A gardener is making a triangular planting, with 35 plants in the front row, 31 in the second row, 27 in the third row and so on. If the pattern is consistent how many plant are there be in the last row?
Friday, February 13, 2015 at 8:43pm
I need someone to please check this for me. Thanks! :) Question: Tonto Pagalies (brother to vaporized racer Teento), an observer at Bindy Bend, is 14285 from Desert Plain. He knows that there is a right angle between the lines of sight from Bindy Bend to Desert Plain and...
Friday, February 13, 2015 at 8:33pm
The distance meters from a fixed point O, covered by a particle after t seconds given by the equation; S = t3 6t2 + 9t + 5. (a) Calculate the gradient to the curve at t = 0.5 seconds (b) Determine the values of sat the maximum and minimum turning points of the curve
Friday, February 13, 2015 at 3:27pm
One of the tallest living men has a height of 263 cm. One of the tallest living women is 245 cm tall. Heights of men have a mean of 177 cm and a standard deviation of 8 cm. Heights of women have a mean of 163 cm and a standard deviation of 4 cm. Relative to the population of ...
Friday, February 13, 2015 at 2:12am
Ms. Peters drove from her home to the park at an average speed of 30 miles per hour and returned home along the same route at an average speed of 40 miles per hour. If her driving time from home to the park was 20 minutes, how many minutes did it take Ms. peters to drive from ...
Thursday, February 12, 2015 at 10:45pm
Hey someone use 192 beads to make a necklace and bracelet it takes 5 times as many beads to make the necklace that the bracelet how much beads it take to make the necklace
Thursday, February 12, 2015 at 10:04pm
Using the equation B=p(1+r)^n [B, Balance; p, principal deposit; r, rate; n, number of interest periods]. Find the balance when you have $17,500 in the bank at 4.25% compounded annually for 6 years. I know the answer but not how to do it.
Thursday, February 12, 2015 at 9:48pm
From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B, on the opposite side of the runway are 6 degrees and 13 degrees respectively. The points and the tower are in the same vertical plane and the ...
Thursday, February 12, 2015 at 9:24pm
john and Julia are playing a game of darts. For each round, eqch of them throws exactly one dart and receives the number of points indicated in region of dartboard where the dart lands. Just after the first round , the dartboard looks like the diagram above. The players are ...
Thursday, February 12, 2015 at 9:01pm
George wants to put carpeting in a rectangular living room and a square bedroom. The length and width of the lving room is 12 feet by 18 feet. One side of the square bedroom is 13 feet. It will cost $3.50 per square foot to carpet the rooms. A)Write an expression that can be ...
Thursday, February 12, 2015 at 8:07pm
Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoffs garden produced 4 bulbs. In the second year, it produced 8 bulbs, and in the third year, it produced 16 bulbs. If this pattern continues, how many ...
Thursday, February 12, 2015 at 7:29pm
The displacement (in meters) of a particle moving in a straight line is given by the equation of motion s = 4/t^2, where t is measured in seconds. Find the velocity of the particle at times t = a, t = 1, t = 2, and t = 3.
Thursday, February 12, 2015 at 7:07pm
Jane gets 1/2 of a gold star each time she helps her teacher clean up the classroom after art class.How many times would Jane need to help her teacher to earn 3 while gold stars?
Thursday, February 12, 2015 at 6:47pm
How much did Aaron start with? Aaron spent 3/7 of his money. He gave ¼ of the remainder to his sister. He had $120 left. How much money did he have in the beginning? Explain how you got your answer. The way you solved this problem was wrong.Aaron did not start out with ...
Thursday, February 12, 2015 at 6:39pm