Tuesday
April 28, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

math
Stem/Leaf --------------- 4 /3, 5 5 /0, 5, 6 6 /2, 2, 4 7 /1, 3 8 /0, 4 Key 4/3=4.3 What was the shortest distance, in miles, that a student ran? A)4 B)4.3 C)43 D)43.5
Monday, March 9, 2015 at 12:28pm

Math
A ship leaves port and sails northwest for 2 hours, and then sails N35degreesE for three hours. If it does not change speed, what direction must the ship sail to return directly to port? How long will this return trip take?
Monday, March 9, 2015 at 12:13pm

Math
A flower planter is to be made from landscape ties that are 4 feet long, four inches high and six inches wide. Each planter is 4 ties high. Describe how to build the planters so that they are square
Monday, March 9, 2015 at 12:10pm

math help needed bad
how do I make a box and whisker plot with the numbers 13,13,20,21,21,22,24,27? I put them all in order but since there is only 8 numbers i do not know how to find the median,the lower quartile,upper quartile the lowest value and the highest value. Please dont yell at me I have...
Monday, March 9, 2015 at 11:46am

Math
f(x)=2x+10 f(3)...?
Monday, March 9, 2015 at 11:32am

math
Mary Jo Prenarie is a office manger with the gross earning of $1600 semimonthly. if her company switches pay schedules from semimonthly to biweekly earning. what is Mary Jo new gross earning
Monday, March 9, 2015 at 11:28am

math
the order of the pole of sin(z)/((z-3)^4 * (z^2 + 3)^2) at z=3.
Monday, March 9, 2015 at 10:54am

math/econs
determine the first derivative of:Y=3+10X+5X2
Monday, March 9, 2015 at 6:20am

math
find the absolute error in measuring 12.25ml of water in a container
Monday, March 9, 2015 at 3:58am

math
a group of 3 friends shared the cost of a tape recorder. if andy, barbara, and donna each paid $12, $30 and $18, respectively, then donna paid what percent of the cost of the tape recorder?
Monday, March 9, 2015 at 12:42am

Math
What factors does X3-X have for all X
Monday, March 9, 2015 at 12:09am

Business Math
Ned’s Sheds purchases building materials from Timbertown Lumber for $3700 with terms of 4/10, 2/15, n/30. The invoice is dated October 17. a) List the time periods, as well as the payment and percent discount for each period. b) On November 1, a partial payment of $2000 ...
Sunday, March 8, 2015 at 8:54pm

Math
The bottom end of a 14 foot loading ramp is 10.7 feet away from the entrance to the building. Find the angle the ramp makes with the ground.
Sunday, March 8, 2015 at 8:49pm

Math
If a ten foot tower casts a thirteen foot shadow on the ground, what is the angle of elevation of the sun?
Sunday, March 8, 2015 at 8:47pm

Math
The cost (in thousands of dollars) of the production of scooters can be representedby x^2 - 10x + 27, where x is the number of scooters produced. What is the minimum number of scooters that can be produced for $6 thousand?
Sunday, March 8, 2015 at 8:40pm

math
Sorry, another question. ** Determine whether parallelogram ABCD is a rhombus, a rectangle, or a square. List all that apply. Explain your reasoning. 1) A(12,0), B(6,-6), C(0,0), D(6,6) I know to do this. I just dont know if it's a rhombus, rectangle, or a square. For AB I...
Sunday, March 8, 2015 at 8:24pm

Math
How do you solve the following question? **QRST is a rectangle. If m<QTR = 2x to the power of 2 - 7 and m<SRT = x to the power of 2 + 18, find m<QTR.
Sunday, March 8, 2015 at 8:19pm

math
a punter kicked the football into the air with an upward velocity of 62 ft/s. Its height h in feet after t seconds is given by the function h= -16t ^2 + 62 t + 2. How long does it take for the ball to hit the ground?
Sunday, March 8, 2015 at 8:14pm

math
(ASAP!!) can somebody tell me the answers to the measurement test on Connexus academy lesson 17 unit 2 measurement test, so I get a good grade.
Sunday, March 8, 2015 at 7:42pm

Math
The surface of the ocean is 33 degrees. Every 3m you go down it gets colder. Sharks can live in temperatures between 6 and 27 degrees. What is the shallowest and deepest waters the Sharks can swim in, in meters?
Sunday, March 8, 2015 at 7:37pm

Math
Use the figure to answer the following questions. figure for questions 1–3 1. Name a pair of complementary angles. (1 point) angle sign1 and angle sign4 angle sign1 and angle sign2 angle sign3 and angle sign4 angle sign1 and angle sign6 2. If mangle sign1 = 37°, what ...
Sunday, March 8, 2015 at 7:20pm

Math
I have the same problem as Marita. Can someone tell us what equation to use. Horizon has a cell phone plan for $28.00 per month plus $.30 per minute with unlimited anytime network minutes and a free flip phone for new customers. How do I put this in an equation. Sprint has a ...
Sunday, March 8, 2015 at 7:10pm

math
can someone give me the answers to the math lesson 17 measurement unit test? please.
Sunday, March 8, 2015 at 7:04pm

math
a punter kicked the football into the air with an upward velocity of 62 ft/s. Its height h in feet after t seconds is given by the function h= -16t ^2 + 62 t + 2. How long does it take for the ball to hit the ground?
Sunday, March 8, 2015 at 7:00pm

math
estimate the answer to 4/6 + 1/9
Sunday, March 8, 2015 at 6:34pm

Math
a punter kicked the football into the air with an upward velocity of 62 ft/s. its height in feet after t seconds is given by the function h = -16t^2 + 62t +2. What is the maximum height the ball reaches? How long will it take the football to reach the maximum height? How long ...
Sunday, March 8, 2015 at 6:28pm

math
Factor 21a^2-19a^2-22a^2
Sunday, March 8, 2015 at 6:04pm

math
Six unit circles are arranged inside a rectangle. the circles are tangent to each other and tangent to the rectangle as they appear in the diagram. What is the area of the rectangle?
Sunday, March 8, 2015 at 5:58pm

math
what is 2015-70 =
Sunday, March 8, 2015 at 5:14pm

Math Ms.Sue
1 Henry spends the day at a ski resort. The total trip riding up the main chair lift and skiing down his favorite trail takes 40 to 50 minutes, depending on whether Henry takes a rest along the trail. He gets on the first chair lift at 8:00 am, he takes a one-hour lunch break ...
Sunday, March 8, 2015 at 5:01pm

Math Functions
Kool Klothes has determined that the revenue function for selling x thousand pairs of shorts is R(x)=-5x^2 + 21x. The cost function C(x) =2x +10 is the cost of producing the shorts. Write a profit Fumction How many pairs of shorts must the company sell in order to break even
Sunday, March 8, 2015 at 4:48pm

math
How many different triangles can you make with a perimeter of 12 units And also use integer values for the length of the sides to investigate how to make up your triangles
Sunday, March 8, 2015 at 4:10pm

math
How many different triangles can you make with a perimeter of 12 units
Sunday, March 8, 2015 at 4:07pm

math
A photograph measuring 8 inches by 6 inches is surrounded by a mat. The mat has the same width on all sides of the photograph. The photograph and mat are put into a glass photo frame which just covers the outside of the mat. If the area of the glass surface is 120 square ...
Sunday, March 8, 2015 at 4:06pm

math
How do you find the area of each triangle and know which one has the greatest area , if you have a perimeter of 12 units
Sunday, March 8, 2015 at 4:05pm

math
how do you investigate polygons with 3;4;6;8 and 12 sides
Sunday, March 8, 2015 at 4:02pm

math
How do you investigate the areas of regular polygons with a fixed perimeter of 12 units
Sunday, March 8, 2015 at 4:00pm

math
How do calculate the length of the side of each polygon, when it does not have to be an integer value , and you are only allowed to investigate polygons with 3;4;6;8 and 12
Sunday, March 8, 2015 at 3:56pm

College Math
How much money will I get if i invest $2600 with an APR of 6.2% compounded continuously over a 7 year period.
Sunday, March 8, 2015 at 3:13pm

Math
Mike and Lani stand 21.2 meters apart. From Mike’s position, the angle of elevation to the top of the Eiffel Tower is 40°. From Lani’s position, the angle of elevation to the top of the Eiffel Tower is 38.5°. How many meters high is the Eiffel Tower? Round to...
Sunday, March 8, 2015 at 2:13pm

Math Help From Anybody
1 Henry spends the day at a ski resort. The total trip riding up the main chair lift and skiing down his favorite trail takes 40 to 50 minutes, depending on whether Henry takes a rest along the trail. He gets on the first chair lift at 8:00 am, he takes a one-hour lunch break...
Sunday, March 8, 2015 at 1:51pm

Math
If a square carpet covers an area of 25m^2, each side is ---------m long
Sunday, March 8, 2015 at 1:25pm

math
Sinx/Cscx -1+sinx/Cscx +1= 2tan^2x
Sunday, March 8, 2015 at 1:13pm

math
Nine over four minus two
Sunday, March 8, 2015 at 12:08pm

Math Please Help Me
Henry spends the day at a ski resort. The total trip riding up the main chair lift and skiing down his favorite trail takes 40 to 50 minutes, depending on whether Henry takes a rest along the trail. He gets on the first chair lift at 8:00 am, he takes a one­hour lunch ...
Sunday, March 8, 2015 at 12:00pm

Math Ms.Sue (ASAP)
Which situation could you graph without connecting the points? the height of a hot air balloon as it climbs the amount of electricity used by a refrigerator over time the distance you are from home as you ride your bicycle to a city pool the amount of money in a cash drawer ...
Sunday, March 8, 2015 at 11:50am

Math
3.455 round off to the nearest tenths
Sunday, March 8, 2015 at 9:24am

Math
Determine the effective interest rate if money is worth 18% compounded monthly.Give your answer to two decimal places.
Sunday, March 8, 2015 at 8:07am

math
Bob catches a train to work every day from monday to friday. the probability that the train is late on monday is 0.45. the probability that the train is late on any other day is 0.3. A day is chosen at random. Find the probability it is monday and the train is late
Sunday, March 8, 2015 at 7:33am

Math
Need help with this. A concrete path of width 1m and thickness 10cm is to be placed around you pool. Find the number of cubic meters of ready mixed concrete required to lay the path. Additional Info: pool area is 25.75 without concrete around it. I have completely forgotten ...
Sunday, March 8, 2015 at 7:11am

math
Find two solution of equation5x-3y=10
Sunday, March 8, 2015 at 4:05am

math
how do we round off 7.43 into 2 decimal places
Sunday, March 8, 2015 at 3:50am

Ms Sue I need you MATH!
Need help with this. A concrete path of width 1m and thickness 10cm is to be placed around you pool. Find the number of cubic meters of ready mixed concrete required to lay the path. Additional Info: pool area is 25.75 without concrete around it. I have completely forgotten ...
Sunday, March 8, 2015 at 1:45am

math
Facters of 4y+8y+16
Sunday, March 8, 2015 at 1:35am

math
Facters of 4y+8y+16
Sunday, March 8, 2015 at 1:35am

math
Facters of 4y+8y+16
Sunday, March 8, 2015 at 1:35am

Math
3 pumps were used to empty a pond hold an unknown amount of water. If pump 1 can empty it in 4 days, pump 2 in 10 days and #3 in 5 days, how many days will it take to empty the pond if all 3 are running at the same time?
Sunday, March 8, 2015 at 12:18am

Ms.Sue! Math
A DVD store charges $4.70 for each day, d, a DVD is rented. The store also gives you a dollar off if the DVD is returned before 5 days a. Write a rule to represent the rental charges C. b. How much will you pay if you return the DVD after 4 days? 7 days? C = 4.70d; $18.80...
Saturday, March 7, 2015 at 11:31pm

math
If a $5000 piece of equipment depreciates at a rate of 5% per year, how much will it be worth after 5 years? is it $3,868.9?
Saturday, March 7, 2015 at 11:24pm

math
1.find: 32 out of 110 in percentage 2.find: 41 out of 40 in percentage
Saturday, March 7, 2015 at 11:00pm

math
79.9% of 10,034.. and can someone please explain how to do these.
Saturday, March 7, 2015 at 10:30pm

Math Ms.Sue
Scientists estimate the rate of a wildebeest running at full speed to be 66 feet per second. Write a function rule to describe the relationship between the time, t, and the distance, d,a wildebeest travels when running at full speed. t = 66d 66 = d • t d =66/t d = 66t
Saturday, March 7, 2015 at 9:23pm

Math
Mike and Lani stand 21.2 meters apart. From Mike’s position, the angle of elevation to the top of the Eiffel Tower is 40°. From Lani’s position, the angle of elevation to the top of the Eiffel Tower is 38.5°. How many meters high is the Eiffel Tower? Round to...
Saturday, March 7, 2015 at 9:10pm

Math ASAP
Verizon has a cell phone plan for $28.00 per month plus $.30 per minute with unlimited anytime network minutes and a free flip phone for new customers. How do I put this in an equation. Sprint has a plan for $30.00 per month plus $.029 per minute unlimited minutes on weekend, ...
Saturday, March 7, 2015 at 9:08pm

math
Verizon has a cell phone plan for $28.00 per month plus $.30 per minute with unlimited anytime network minutes and a free flip phone for new customers. How do I put this in an equation. Sprint has a plan for $30.00 per month plus $.029 per minute unlimited minutes on weekend, ...
Saturday, March 7, 2015 at 8:46pm

Elemements of Math
Little Caesar's Pizza had a commercial on television that claimed you could buy one pizza and get another one free, with up to 5 toppings per pizza (do not count the pizza sauce or the cheese as a topping). The dialogue on the commercial went something like this. The tall ...
Saturday, March 7, 2015 at 8:24pm

Math 112
A student wants to know why, if we can define 0! as 1, we cannot define 1 over 0
Saturday, March 7, 2015 at 8:22pm

Math
At & T has a cell phone plan of $25.00 a month plus 30 cents per minute. There is a one year contract wit a new phone for $19.99 Can someone put this into a equation for me.
Saturday, March 7, 2015 at 7:59pm

Math ASAP
2, 1,1/2 , 1/4 , . .. arithmetic geometric both neither I don't know how to solve it?
Saturday, March 7, 2015 at 7:58pm

Math
I know someone has posted this question before but didn't get an answer so sorry for the post. The box-and-whisker plots show data for the test scores of four groups of students in the same class. Which plot represents data with the greatest range of scores? A. The lowest ...
Saturday, March 7, 2015 at 7:45pm

math word problem
A high school student created a remote control car that can travel 66 feet in 6 seconds. Express as a unit rate A. 11 feet/sec B. 66feet/sec C. 11sec/feet D. 6 feet/sec
Saturday, March 7, 2015 at 7:43pm

math
The graph of f(x) = |x| is transformed to g(x) = |x + 1| – 7. On which interval is the function decreasing? A) (–∞, –7) B) (–∞, –1) C) (–∞, 1) D) (–∞, 7) I put D but i'm not sure if it right
Saturday, March 7, 2015 at 7:09pm

math word problem
Martha earns $8.76 per hour at her job. Last week, she worked for 32.5 hours. On average, if Martha worked 5 days last week, how much did she earn each day?
Saturday, March 7, 2015 at 5:43pm

Math
Katy just brought a brand-new 2009 Toyota Camry Hybrid FOR $30,000. Her car was traded in for $16,000. What fraction of the purchase price was not covered by the trade-in? 30,000 -16,000 = $14,000.is the amount not covered. Can you tell me what method to use or how to change $...
Saturday, March 7, 2015 at 5:28pm

Math
Mike was voted Most Valuable Player for 2 out of 5 seasons. What is the probability that Mike will be Most Valuable Player this year? I thought the answer would be 40%, but I'm not sure. I wasn't sure how to include this year in with the past 5 years or even if I ...
Saturday, March 7, 2015 at 5:22pm

Math
Mike was voted MVP for 2 out of the past 5 seasons. What is the probability that he will be MVP this year? Thank you!
Saturday, March 7, 2015 at 4:54pm

math
John bought a new car for shilling 800,000. After 5 years, he sold it through a second-hand car dealer. The dealer charged a commission of 4% for the sale of the car. If John received shillings 480,000, calculate the annual rate of depreciation of the car.
Saturday, March 7, 2015 at 4:42pm

Math
Predict how many times a six sided die will land on the six if you roll it 24 times? Thank you!
Saturday, March 7, 2015 at 4:40pm

Math
a scale drawing of a rectangular field is 10 centimeters by 8.5 centimeters. If the actual field has a dimension of 40 meters by 34 meters which could be the scale used for the drawing? a. 0.5cm = 16m b. 0.5 cm = 8m c. 0.5 cm = 4m d. 0.5 cm =2m I multiplied 8.5 by 10 but don&#...
Saturday, March 7, 2015 at 4:31pm

math
find integral exp(-x)x^-2
Saturday, March 7, 2015 at 4:29pm

Math (Help)
When baking a cake, you have a choice of the following pans: a round cake pan that is 2 inches deep and has a 7 inch diameter a 6 inch × 9 inch rectangular cake pan that is 2 inches deep a. Which of these pans has the larger volume? Justify your answer. b. Excluding the ...
Saturday, March 7, 2015 at 4:27pm

math
Give that x is angle in the first quadrant such that 8sin 2x + 2cosx – 5 = 0 Find: cosx tanx
Saturday, March 7, 2015 at 4:18pm

Math
Alex needs to buy compressed air to fill 5 empty cylindrical tanks for his tire store. Each tank is 12 feet deep and has a radius of 6 feet. What is the volume of compressed air needed?
Saturday, March 7, 2015 at 3:20pm

Math
A gift box is 15 inches long, 10 inches wide, and 3 inches high. How much wrapping paper is needed to wrap the gift box? 225 in.2 450 in.2 525 in.2(my answer) 650 in.2
Saturday, March 7, 2015 at 3:12pm

math
The distance between towns M and N is 280 km. A car and a bus travel from M to N. The average speed of the bus is 20 km/h less than that of the car. The bus takes 1 h 10 min more than the car to travel from M and N. (a) If the speed of the bus x km/h ? car = x bus x - 20 + 1 1/6
Saturday, March 7, 2015 at 1:54pm

math
What is 100+91x3+94+93+82+89/8?
Saturday, March 7, 2015 at 1:05pm

Math
A military plane maintains an altitude of 15,000 feet over a vast flat desert. It flies at a constant speed on a line that will take it directly over an observer on the ground. At noon, the angle of elevation from the observer’s shoes to the plane is 30 degrees, and the ...
Saturday, March 7, 2015 at 11:55am

Math
Two parallel resistors have resistances R1 and R2. If the total resistance is R, then 1/R = 1/R1 + 1/R2. R1 is increasing at 0.04 ohm/sec,and R2 is decreasing at 0.03 ohm/sec. How fast is the total resistance changing at the moment that R1 is 3 ohms and R2 is 4 ohms?
Saturday, March 7, 2015 at 11:51am

SAT Math
If x and y are positive integers, which of the following could be equal to 3x+ 4y? The answer is 10, but not sure on how to get the answer? Also, is there a short cut to get to the answer without taking a lot of time on the SAT to work this type of problem out? Thank you
Saturday, March 7, 2015 at 9:34am

math
1 2/3 add 2 8/9 then divide the answer by 3. 1 2/3 add 2 8/9= 7/3 add 26/9= 21/9 add 26/9=47/9 I got that bit I just dont know how to divide
Saturday, March 7, 2015 at 7:53am

Math
80 boys took the examination in the three subjects: Chinese, English and Mathematics, and none of them failed in all three subjects. It was noted that 8 passed in English only and 10 passed in Mathematics only; 7 passed in Mathematics and Chinese but not in English, 40 passed ...
Saturday, March 7, 2015 at 5:26am

Math
In a group of girls, 20 play volleyball, 21 play badminton and 18 play table tennis; 7 play volleyball only; 9 play badminton only; 6 play volleyball and badminton only and 2 play badminton and table-tennis only. a)How many play all three games? b)How many play volleyball and ...
Saturday, March 7, 2015 at 5:18am

Math
Find the first five terms: a sub 1 = 4 and a sub n = 0.5a sub (n - 1) + 1 Are they 3, 2.5, 2.25, 2.125, and 2.0625?
Saturday, March 7, 2015 at 12:46am

math
A retailer planned to buy some computers form a wholesaler for a total of shilling 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shilling 4,000. This reduction in price enabled the retailer to buy five more computers using the same ...
Saturday, March 7, 2015 at 12:38am

math
Two towns P and Q are 400 km apart. A bus left for P and Q. It stopped at Q for one hour and then started the return to P. one hour after the departure of the bus from P, a trail also heading for Q left P. the trailer met the returning bus ¾ of the way from P to Q. they...
Saturday, March 7, 2015 at 12:33am

math
A cylindrical piece of wood of radius 4.2 cm and length 150 cm is cut length rise into two equal pieces. Calculate the surface area of one piece
Saturday, March 7, 2015 at 12:09am

math
Point T is the midpoint of a straight line AB. Given the position vectors of A and T are i - j + k and 2i + 1 ½ k respectively, find the position vector of B in terms of i, and k
Saturday, March 7, 2015 at 12:04am

math
A town N is 340 km due west of town G and town K is west of town N. A helicopter Zebra left G for K at 9.00 a.m. Another helicopter Buffalo left N for K at 11.00 a.m. Helicopter Buffalo traveled at an average speed of 20 km/h faster than Zebra. If both helicopters reached K at...
Friday, March 6, 2015 at 11:47pm

Math
The length and breadth of a rectangular paper were measured to be the nearest centimeter and found to be 18 cm and 12 cm respectively. Find the percentage error in its perimeter.
Friday, March 6, 2015 at 11:43pm

math
The sum of two numbers is 300 and the two numbers have a ratio of 20:10. Find the larger number.
Friday, March 6, 2015 at 11:06pm

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