Saturday
July 23, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
There are total of 40 cars and motorcycles in a car park. Altogether, 108 wheels are counted. How many cars and how many motorcycles are there in the car park?
Saturday, May 7, 2016 by Bee Aeng

math
Houses are arranged in a school compound. Thus, Blue house is 4 km due East of Red, Yellow is 3 km due South of Blue and Green is 4 km on a bearing of 230° from the Yellow. What is the distance and bearing of the Red house from Green house?
Saturday, May 7, 2016 by Wesley

math
a. half circle with a radius of 20 cm b. half circle with a diameter of 3 ft find the perimeter of each of the half circles. i thought the answers were 12.42 ft for b and 165.6 cm for a, but i was told that i was wrong
Saturday, May 7, 2016 by salma

math
Bicycles in the late 1800s looked very different than they do today. There's a larger tire with a diameter of 60 in and a smaller tire with a radius of 9 in. How many rotations does each tire make after traveling 600 feet? Round your answers to the nearest whole number. ...
Saturday, May 7, 2016 by Josh

math
A road runs from P to Q on a bearing of 140° and continues in the same direction. The bearings of R from P are 092° and 056° respectively, PQ is 1320 m. What is the shortest distance of R from the road?
Saturday, May 7, 2016 by Wesley

math
Houses are arranged in a school compound. Thus, Blue house is 4 km due East of Red, Yellow is 3 km due south of Blue and Green is 4 km on a bearing of 230° from the Yellow. Calculate the distance and bearing of the Red house from Green house.
Saturday, May 7, 2016 by good

math
In a school, the church building is 300 m due East of the Assembly Hall. A classroom is 200 m on a bearing or 123° from the Assembly Hall. How far is the classroom from the church ?
Saturday, May 7, 2016 by Anonymous

MATH
The equation 1/14 (196x+17-10)=______ (20x+12x) has no solution. The equation (4x+24/122)=_____ (x+16/122)
Saturday, May 7, 2016 by Steve

MATH!
The equation 1/14 (196x+17-10)=______ (20x+12x) has no solution. The equation (4x+24/122)=_____ (x+16/122) Im sure the answer for the second one is 4, (4x+24/122) = 4 (x+6/122)
Saturday, May 7, 2016 by Steve

math
what is 9 minus 3 divided by 1/3 plus 1?
Saturday, May 7, 2016 by Jay

math
The equation 1/14 (196x+17-10)=______ (20x+12x) has no solution. The equation (4x+24/122)=_____ (x+16/122) Im sure the answer for the second one is 4, (4x+24/122) = 4 (x+6/122)
Saturday, May 7, 2016 by Steve

math
The equation 1/14 (196x+17-10)=______ (20x+12x) has no solution. The equation (4x+24/122)=_____ (x+16/122) Im sure the answer for the second one is 4, (4x+24/122) = 4 (x+16/122)
Saturday, May 7, 2016 by Steve

math
In a circuit with a 10 ohm resistor in series with a 15 ohm resistor, total resistance is ________ ohms.
Saturday, May 7, 2016 by josue

math
50 people purchase raffle tickets 3 winning tickets are selected at random if the first prize is $1,000, second prize is $500, and third prize is $100 in how many different ways can the prizes be awarded and is this a permutations or a combinations problem?
Saturday, May 7, 2016 by PAUL

math
Find the point in the xy plane which is equidistant from (1,1), (7,1), and (1,9). Please and thanks.
Saturday, May 7, 2016 by bong

math
The equation 1/14 (196x+17-10)=______ (20x+12x) has no solution. The equation (4x+24/122)=_____ (x+16/122) Im sure the answer for the second one is 4, (4x+24/122) = 4 (x+16/122)
Saturday, May 7, 2016 by Steve

math
Suppose f(x) is a quadratic polynomial with leading coefficient 1 such that f(x) + f(-x) = 2x^2 for all x and f(2016) = 0. What is the value of f(10) ? thanks
Saturday, May 7, 2016 by bong

Math
3/5q-(1/5+2q)
Saturday, May 7, 2016 by Mandy

Math
If a girl bought 2.2 kg apples and 3.6 kg mangoes @ Rs. 11.50 and Rs.67.50 respectively.If she gave a thousand rupee not to the fruit seller then how much money she will get back?
Saturday, May 7, 2016 by Abhishek

Math Help!!!
How do I solve for sin24=CD/BC if BC is 15,052.07464? Thanks!
Saturday, May 7, 2016 by Annie

Math
A40m deep wellwith radius 3.5m is dug and the earth taken out is evenly spread to form a plat form ofdimensions 28mby 22m. find the height of the platform.
Saturday, May 7, 2016 by Hiwot

math
a wire is bent to form four semicircles all with diameters of 32 cm, how long is the wire? round to the nearest hundredth
Saturday, May 7, 2016 by samantha

math
If a=26 and sun=27. then ant=?
Saturday, May 7, 2016 by akash

math
a body is projected at an elevation alpha with a velocity of 9.8m/s in what time Wii be direction of motion be alpha/2?
Saturday, May 7, 2016 by neha

math
Find the point in the xy plane which is equidistant from (1,1), (7,1), and (1,9). Please and thanks.
Friday, May 6, 2016 by k

Math
Final all the solutions for ONE + ONE = TWO each letter stands for a different digit
Friday, May 6, 2016 by Anonymous

Math
Let z be a complex number, and let n be a positive integer such that z^n = (z + 1)^n = 1. Prove that n is divisible by 6. I have no idea how to approach this problem!
Friday, May 6, 2016 by Katie

Math
1. What is a reasonable distance between two cities? • 200 km <<< • 200 m • 200 cm • 200 mm 2. Which value correctly completes the statement? 6,501.5 km= _____m • 6,501,500 • 65,015 • 650,150,000 • 650.15 3. Find the perimeter ...
Friday, May 6, 2016 by Audrey

Math?
What is the lateral area of the rectangular prism round the answer to the nearest whole number. assume the 5 m x 7 m rectangles on the left and right are the bases. Length = 16. 230 m^2 294 m^2 384 m^2 454 m^2 Please help!? I am so lost...
Friday, May 6, 2016 by SkatingDJ

math
One-half of the students at Greendale Middle School take art. Two-thirds of the students take Spanish. Deshawn uses a coin and a standard number cube as a simulation of the students at Greendale Middle School. Deshawn lets “T” represent a student taking art and “...
Friday, May 6, 2016 by heeeeelpppp please

Math
a regular plot of land is designed so that its length is 6 meters more than its width. the diagonal of the land is 10 meters. to the nearest tenth of a meter, what are the dimensions of the land?
Friday, May 6, 2016 by Natalie

math
A party store offers small balloons and large balloons. You can choose from pink, blue, green, and yellow balloons. You can choose from silver, gold, and white ribbons. Use the counting principle to find the number of different ways you can choose a balloon with a ribbon.
Friday, May 6, 2016 by heeeeelpppp please

Math
Sketch the region enclosed by the lines x=0 x=6 y=2 and y=6. Identify the vertices of the region. Revolve the region around the y-axis. Identify the solid formed by the revolution calculate the volume of the solid. Leave the answer in terms of pi. I always struggled with this...
Friday, May 6, 2016 by SkatingDJ

math
stem leaf plot stem leaf 5 4 5 6 0 6 9 7 2 3 4 5 5 8 1 2 8 9 9 5 6 a)what is range of data?B) median of data? C) and mode of data A)? B)74.5 C) 75
Friday, May 6, 2016 by kim

Math
X-3y=1 4x+5y=4 Solve the system of equations.
Friday, May 6, 2016 by Steven

Math
A 100 point test contains a total of 20 questions. The multiple choice questions are worth 3 points each and the short response answer questions are worth 8 pints each. Write a system of linear equations that represents this situation, my answer is to correlate the 3 points ...
Friday, May 6, 2016 by Steven

MATH PLEASE HELP FAST
1.-3f^2+4f-3+8f^2+7f+1 a.5f^2-11f+2 b.11f^2+11f+2*** c.5f^2+11f-2 d.-5f+3f-2 2.3x^2+5X-5X^2-4X-2 a.-8x^2-9x+3 b.2x^2+x+3 c.-2x^2-9x+3 d.-2x^2+x+3*** 3.(8x-2y)+(3x-4y) a.11x+8y*** b.4x-y c.11x-6y d.5x+2y 4.(y+3d)-(-9y+7d) a.-10y+4d b.-8y+10d c.8y-6d*** d.10y-4d 5.the distance ...
Friday, May 6, 2016 by Connexus

math
which is Q=200p/l solved for p is it p=QL/200
Friday, May 6, 2016 by kim

math
which is M = 9pn solved for p?
Friday, May 6, 2016 by kim

math
The farmer sells a 41.9915-tonne load to a buyer who takes a single scoop of tomatoes from a random spot in the load. If the sample has approximately 300 tomatoes and 92% are acceptable, how much is the load worth? Tomatoes sell for $94.40 per tonne.
Friday, May 6, 2016 by jim

Math
Explain how the area of a parallelogram is related to the area of a triangle when both figures have the same base and height
Friday, May 6, 2016 by Micheal

math help!!
Please help 25= 2r+3 A 28=2r B 22=2r C 50= r + 3 D 25/2=r3
Friday, May 6, 2016 by clair

math
how to find the slope of the line passing through: A(a, b) and B(c, d)
Friday, May 6, 2016 by Anonymous

math
(3.6−1 1 8 ÷ 3/4 )·15 how to solve
Friday, May 6, 2016 by Anonymous

math
A car went 60 km in 5/6 of an hour while a second car went 54 km in 2/3 hour. Which car was faster? How many times faster?
Friday, May 6, 2016 by Anonymous

math
Jocelyn has read 156 pages of a book. This is 4/5 of the entire book. How many pages does the book have?
Friday, May 6, 2016 by Anonymous

Math
What is the lateral area of a regular pentagonal pyramid that has a slant height of 18 in. and a base side length of 9 in.? 405 in.^2 810 in.^2 81 in.^2 162 in.^2 I don't know how to do this:/ Please help?
Friday, May 6, 2016 by SkatingDJ

math
Two cars started at sunrise and travelled at a constant speed,one from city A to city B and the other from city B to city A on the same highway.They met at noon and without stopping and arrived respectively at city B at 4 p.m. and at A at 9 p.m. required:determine the sunrise ...
Friday, May 6, 2016 by Blodwick

Math
Suppose you have two similar rectangular prisms. The volume of the smaller rectangular prism is 343 in^3 and the volume of the larger rectangular prism is 1,000 in^3. What is the scale factor of the smaller figure to the larger figure? 3:5 1:3 7:10 18:25 I don't know, I ...
Friday, May 6, 2016 by SkatingDJ

Math Help Please
List a repeating decimal that is equal to an integer. I have 0.999 because if you divide it by 9's its equal to 1, 999/999=1 Also I thought of -0.999 that is equal to -1 But I can't think of another one can you please help ? Please
Friday, May 6, 2016 by BT

Math
hello, I'm trying to find the derivative of: y= 1+cos (x) / sin (x) thank you! :)
Friday, May 6, 2016 by Jenna

Math asap
2.David wants to build a pen for his goat. He wants the area of the pen to be 48 square feet. If the length and width of the pen are whole numbers, which of the following could be the perimeter of the pen? A.P = 26 ft B.P = 28 ft C.P = 30 ft D.P = 36 ft 3.A rectangular rug is ...
Friday, May 6, 2016 by Jeanie Troy

math
1 side of the square is 0.25 KM is the area of the square 6.25 KM squared? true or false? explain your answer
Friday, May 6, 2016 by lolol

MATH Please Help Please
Algebra 2 There is a graphs of the sequence f(n)=2n-3 and a graph of the function f(x)=2x-3 What difference exist between the two graphs? What accounts for the differences between the graphs in terms of domain and range? Help please I don't understand
Friday, May 6, 2016 by Brenda

Math 3
How many times bigger is 8*10^6 than 2*10^2?
Friday, May 6, 2016 by Chris

Math (Ms. Sue)
A coin tossed. If heads appears, a spinner that can land on any number from 1 to 4 is spun. If tails appears, a second coin is tossed instead of spinning the spinner. What are the possible outcomes? H1 H2 H3 H4 H1 H2 H3 H1 H2 H3 H4 TH TT HH TH
Friday, May 6, 2016 by FluttershyK22

Math (Ms. Sue)
A lunch menu has 4 different sandwiches, 2 different soups, and 5 different drinks. How many different lunches consisting of sandwhich, soup, and drink can you choose? 10 11 40 13
Friday, May 6, 2016 by FluttershyK22

Math asap
this diagram shows the dimensions of a rectangular tabletop. find the perimeter of the rectangle. A.P=11 ft B.P=18 ft C.P=20 ft D.P=22 ft
Friday, May 6, 2016 by Emma Empossible

Math
I am completely lost on this one. How do I figure out what each letter stands for? Find all the solutions for this problem. each different letter stands for a different digit. letters that are the same stand for the same digit. ONE + ONE = TWO
Friday, May 6, 2016 by Mike

math
Jillian has $50 that she plans on investing in an account that will double her money every week. This can be represented by the equation M = 50(2)x where M represents the amount of money she has and x represents the number of weeks that have passed. Her uncle Charlie gives her...
Friday, May 6, 2016 by Ryne

MATH HELP PLEASE
1. x^9/x^2 a.x^11 b.x^7*** c.7 d.x^5 2.h^14/h^5 a.h^-9*** b.1/h^9 c.h^19 d.h^9 3.4^4/4^6 a.-16 b.16 c.1/16*** d.-1/16 4.5^0 a.0*** b.5 c.1 d.-5 5.7^4/7^2_____49 a.<*** b.> c.= d. none of the above 6.-2r(8r+5) a.-16r^2+5 b.-16r^2+10*** c.-16r^2-10r d.-16r^2-10 7.2a(a^2+4a...
Friday, May 6, 2016 by Connexus

Math
Which data set does the box plot represent?
Friday, May 6, 2016 by annika miller

Math
If a 2-inch pipe will fill a tank in 6 hours, how long will it require for a 3-inch pipe to fill it?
Friday, May 6, 2016 by Laurie

math
A certain sum is deposited in a bank which gives compound intrest at certain rate. The intrest on the amount is rs.440. In the first 2 years and rs.728 in the first 3 years what is the rate of interest per annum.
Friday, May 6, 2016 by phani

Math
How can you find the distance of each number from the mean? 50,56,52,46,48,42,38 Im not sure so please help.
Friday, May 6, 2016 by LOVE

Math
What is 10*10? A) 2 B) 26 C)20 D) 100
Friday, May 6, 2016 by Pieisgoot

Math
A bowl has red,green and blue marbles.There are 95 red marbles.the nuber of blue marbles is 5 timesthe number of green mables altogether red and green marbles are 189 less then blue marbles .how may marbles are there in total
Friday, May 6, 2016 by Adam

Math
Find all of the solutions for this addition problem. Each different letter in the puzzle stands for a different digit. Letters that are the same stand for the same digit. Remember to include all of the criteria from the guidelines. ONE + ONE = TWO
Friday, May 6, 2016 by Sarah

math
What two numbers multiply to 42 and add to 3
Friday, May 6, 2016 by Anonymous

math
suppose there 10 marbles in a bag and 3 of them are defective.Two marbles are to be selected one after the other without replacement.What is the probability of selecting a defective marble followed by another defective marble?
Friday, May 6, 2016 by Tamiru

Urgent =Math
Tell whether this survey describes a good sample and if so, name the method of sampling used. A phone company randomly calls 6 names from the phone book to find whether the person is satisfied with the phone service. yes, random yes, systematic***** yes, stratified not a good ...
Friday, May 6, 2016 by Monica

Urgent =Math
17. Tell whether this survey describes a good sample and if so, name the method of sampling used. Every sixth person leaving a restaurant is surveyed to determine their favorite food from the menu. yes, random******** yes, systematic yes, stratified not a good sample 18.Tell ...
Friday, May 6, 2016 by Monica

math
A!@#$%^&roach traveling 2 feet per second takes how long to scurry a distance of 46 feet?
Friday, May 6, 2016 by Anonymous

Math
Mandy runs 4 km in 18 minutes if she planes to run in a 15 km race how long will it take her to complete the race
Friday, May 6, 2016 by Karla

math
If 2 inches on a map represents 125 miles then how far apart are 2 cities that are 5/8 inch apart.
Friday, May 6, 2016 by kathy

math
Divide -3x^3 - 2x^2 - x - 2 by x – 2. A. -3x2 - 8x - 17, R –36 B. -3x2 + 4x + 15, R 32 C. -3x2 + 4x + 15 D. -3x2 - 8x - 17 I'm sure it's either B or C, can someone help?
Friday, May 6, 2016 by emily

Math CHECK MY ANSWER
1. You mix the letters S, E, M, I, T, R, O, P, I, C, A, and L thoroughly. Without looking, you draw one letter. Find the probability that you select a vowel. Write your answer as a fraction in simplest form. A. 12/5 ** b. 5/12 c. 1/3 d. 7/12
Friday, May 6, 2016 by Layla

Math
A man start from point A and walks 5km east to B. He then walks 7km on a bearing of 162 degree to reach point C. Find the bearing and distance of C from A
Friday, May 6, 2016 by Khalid

math
Kate Davidson signed a simple discount note for $9,000. The discount rate is 5%, and the term of the note is 18 months. What is the annual percentage yield (APY)?
Friday, May 6, 2016 by Angie

math
Israel signed a simple discount promissory note for $15,000. The discount rate is 7.5%, and the term of the note is 120 days. What are Israel’s proceeds on the loan?
Friday, May 6, 2016 by Angie

math
Alicia borrowed $8,500 at 6% ordinary interest for 180 days. After 40 days, she made a partial payment of $2,000. After another 70 days, Alicia made a second partial payment of $2,000. What is the final amount due on the loan?
Friday, May 6, 2016 by Angie

math
Webster Digital received a promissory note of $8,000 for 9 months at 7% simple interest from one of its customers. After 4 months, the note was discounted at Bank of Aventura at a discount rate of 10%. What are the proceeds Webster Digital will receive from the discounted note?
Friday, May 6, 2016 by Angie

College Math
James bought 24 bolts at the hardware store for a total of $9.00. Some were 3−inch bolts that cost 36 cents each and the others were 4−inch bolts that cost 42 cents each. How many 3−inch bolts did James buy?
Friday, May 6, 2016 by Victoria

math
What is the annual percentage yield (APY) of a simple discount note for $7,000 at a bank discount rate of 6%, for 3 months?
Friday, May 6, 2016 by Angie

Math
Rob had a pitcher containing 2 liters of lemonade. He poured an equal amount of lemonade into 14 glasses. How much lemonade was left over in the pitcher? 14/2000=142 r 12
Friday, May 6, 2016 by Terri

math
seven horses are entered in a race. If two horses are tied for first​ place, and there are no ties among the other five ​horses, in how many ways can the seven horses cross the finish​ line?
Friday, May 6, 2016 by sarah

math
horses are entered in a race. If two horses are tied for first​ place, and there are no ties among the other five ​horses, in how many ways can the seven horses cross the finish​ line?
Friday, May 6, 2016 by sarah

Math
What is the greatest common factor you can use to simplify the ration 85:51
Thursday, May 5, 2016 by Jennifer

math
Tasha and Lee played a series of games against each other. Tasha won three more than twice as many games as Lee. Lee won 15 games. Find the probability that Tasha won a game
Thursday, May 5, 2016 by Anonymous

Math
To the nearest tenth of a centimeter, what is the length of the hypotenuse of a right triangle with leg lengths of 5 cm and 6 cm?
Thursday, May 5, 2016 by Elijah

Math
Find the perimeter and the area of the rectangle. I cant upload pics. Its a rectangle with 12cm at the bottom and theres a diaganal line going through and its 15cm Perimeter: 54 cm, Area: 180 cm^2 Perimeter: 54 cm, Area: 108 cm^2 Perimeter: 42 cm, Area: 180 cm^2 Perimeter: 42 ...
Thursday, May 5, 2016 by Amy Pond

math
On the first two days of Mark's vacation, the weather forecaster reports a 25% chance of rain. On the third day of his vacation, Mark is faced with a 50% chance of rain. What is the probability that Mark will have three straight days of rain?
Thursday, May 5, 2016 by Anonymous

math
The first term of a geometric sequence is 9 and the common ratio is -1 over 3. find the fourth term
Thursday, May 5, 2016 by Anonymous

math
Sharif wants a new winter coat that retails for $156.99, it is on sale for 80% of the regular price. What is the sale price of the coat? my answer: $45.59
Thursday, May 5, 2016 by Please check my answer

Math
Ruth is putting up a framed map of South America in her room. She wants it exactly halfway between her door and her closet, which are 6.5 feet apart. If the map is 23 inches wide, how far will its sides be from the door and closet?
Thursday, May 5, 2016 by Unknown

math- geometry
I will try and explain this since I can't draw the picture that went with this question. A circular glass overlay was placed on the top of a circular table. Find the area of the shaded region, rounding to the nearest tenth. The shaded region is the part of the table ...
Thursday, May 5, 2016 by sara

math
find the function rule x -2 -1 0 1 2 y 9 4 -1 -6 -11
Thursday, May 5, 2016 by ginger

math-
-10x+4+y=4 use the function rule to complete the table x -2 -1 0 1 2 y _ _ _ _ _
Thursday, May 5, 2016 by ginger

Math
A nurse at a school is having a poster contest. The nurse sayS the size of the rectangular poster must be 72 square inches. Each side of the poster has to measure in whole inches. What are all the possible sizes of the poster board the nurse can cut to have ready?
Thursday, May 5, 2016 by Naftale

math
If a note has a frequency of 220 Hz, find the frequencies of the notes one, two, and three octaves higher.
Thursday, May 5, 2016 by Shenika Jackson

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