Monday
December 5, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
Ryan left. Gabby left 3 hrs later, she drove 42mph faste. In 2 hrs she caught up. What was Ryan speed
Thursday, December 1, 2016 by Anonymous

math
Item cost $6750 vat inclusive. If VAT was charged at 12.5% what was the cost of the item before VAT?
Thursday, December 1, 2016 by indira

Math
1 4 6 9...
Thursday, December 1, 2016 by Soroush

math
1. determine which order pair is a solution of y = -5x + 10 A. (-15,5) **** B. (2,0) C. ( -1 , -5 ) D. (3, 25 ) 2.on which of the following lines does the point ( 7,1 ) lie? A. y-5x = 4 B. y=x -10 C. y = -4x +3 *** D. y + -x +8 3.find the slope of the line through ( -9 , -10...
Thursday, December 1, 2016 by andrew

Business Math
You decided to join the partnership of august and april. August has a capital of 50,000 while april puts up a capital of 75,000. The three of you decided that your profit and loss ratio would be 1:2:3 for august,april and yourself, and you further agreed to make your ...
Thursday, December 1, 2016 by TRIS

Math
The sequence a(1), a(2), a(3),...,a(n-1), a(n) is such that a(r)= 7r-3. Show that 1/[?a(r) - ?a(r+1)] = k[?(7r-3) - ?(7r+4)]. The numbers/letters in brackets are subscript.
Thursday, December 1, 2016 by Jade

Math
In the triangle ABC, AC=2cm, AB=x cm and angle ABC=?/2 rad. 1. Given that angle BAC=? rad, and that ? is a sufficiently small angle, show that x? a + b?^2, where a and b are constants to be determined. 2. For this part, ? is not assumed to be a small angle. The point N lies on...
Thursday, December 1, 2016 by John

Math
At first the ratio of the number of boys to the number of girls in a Mathematics Club was I : 2 when 5 more boys joined the club , the ratio became 3 : 4 How many members were there in the club at first ?
Thursday, December 1, 2016 by !@#$%^&er

math
A girl found that her shadow was 4m long when the shadow of a flagpole was 12m long. If her height is 1.5m, what is the height of the flagpole?
Thursday, December 1, 2016 by Safin

math
Sin(20-30°)=?3÷2for0°<​0<180°
Thursday, December 1, 2016 by perminus

math
How long will it take an 8% simple interest rate for $850 to amount to $1000?
Thursday, December 1, 2016 by frank

math
Sarah bought 2 boxes of pencils. There were 58 pencils in each box. In the first box, 23 of the pencils were red, 18 were blue, and the rest were yellow.
Thursday, December 1, 2016 by jb

math
Quin has 28 state quarters collected. he wants to have a complete set of the 50 state quarters. How many more quarters does he need to collect?
Thursday, December 1, 2016 by mia

Math
Help me find p please. (X-3.15)^2=4p(y-219.7981936) Thanks!!!
Thursday, December 1, 2016 by Bobby

Math
12 friends share 8 sandwiches. How much does each child get. Answer is 2/3, but how is this shown in a number sentence?
Thursday, December 1, 2016 by Ivonne

Math
Can someone please help me find my maximum height. I have my distance which is 80ft and my angle of elevation is 70ft. PLEASE HELP ME!!
Thursday, December 1, 2016 by Patrick

math
it is a 3- digit odd number its hundreds digit is the greatest one digit odd number its ones digit is 2 less than the hundreds digit its tens digit is 1 more than the ones digit
Thursday, December 1, 2016 by shekhar

Math
If i rent a boat for 3.5 hours and the cost for 3 hours is 41 dollars and i split the cost with my friend how much will each person pay for the cost
Wednesday, November 30, 2016 by Jlast

math
ratio 1/3
Wednesday, November 30, 2016 by karla

Math
When a number is a multiple of 6,what are the possible values for the ones digit?
Wednesday, November 30, 2016 by Bryce

Math
Julio walks 3 1/2 miles in 1 1/4 hours
Wednesday, November 30, 2016 by Nicole Houston

Math Check
Which nonterminating decimal can be converted into a rational number? 0.818118111... 0.020304050... 0.010110111... 0.321321321... *** George has a square sandbox in the backyard. The sandbox has an area of 160 square feet. To the nearest foot, what is the length of one side of...
Wednesday, November 30, 2016 by Kimberly

Math: Creating a linear equation
Cooper claims he has already completed the job and is offered $141 as a one time payment. you have to write this as c = mt + b if c is the cost, m is the slope, t is the time(hours) and b is y-intercept!!! PLEASE HELP!
Wednesday, November 30, 2016 by Summer Johnson

Math
A car rental agency charges $44.12 per day plus mile for a certain type of car How much is the rental charge for a 3 days trip of 605 miles?
Wednesday, November 30, 2016 by Jenny

Math
A customer's bill for maintenance and repair at a service station showed 6 quarts of oil at $1.15 each an air filter at $3.75 an oil filter at $7.45 13 gallons of gasoline at $1.15 a gallon and 3 hours labor at $37.00 an hour What was the total bill?
Wednesday, November 30, 2016 by Jenny

math ( plane)
find the equation of the plane passes through the middle point of the join of the points (2,-3,1) and (4,5,-3) and is perpendicular to the line joning the points?
Wednesday, November 30, 2016 by help

Math
There are 12 more girls than boys in the class. 35 % of the class are boys. How many pupils are there in the class?
Wednesday, November 30, 2016 by Kay

Math: Creating a linear equation
Alex has been offered $50 to accept the job, plus, $13 per hour. Alex claims he will complete the job in 7 hours. How would you write this as a linear equation in the form of: c = mt + b if c is the cost and t is the time, m is the slope, and b is the y-intercept. Please help!!
Wednesday, November 30, 2016 by Avni Singh

Math
Joshua went on shopping spree. He bought a backpack,7 notebooks,4 games and a clock. The backpack cost $16.00, the notebooks cost $9.40 each the games cost $15 each and the clock cost $24.00. How much money did he spend?
Wednesday, November 30, 2016 by Jenny

Math
What is 105/2.1
Wednesday, November 30, 2016 by Jenny

math algebra
the product of two consecutive even numbers is 440. What is the sum of the numbers?
Wednesday, November 30, 2016 by laura

math
Complete the statement. Round to the nearest hundredth if necessary. 3 pt =? c
Wednesday, November 30, 2016 by Howard Yao

Math
How many bricks of size 20cm×10cm×5cm are required to Build the wall leaving 10%of the space for the cement work?
Wednesday, November 30, 2016 by Isha

Math
carlos can throw a ball 14 yards . His friend raul can throw 3/7 of that distance. Is rauls throw longer or shorter than 14 yards? Now find the exact length of Raul's throw.
Wednesday, November 30, 2016 by May

math
1/2 of a class play soccer, 1/4 of the team are girls, what fraction represents how many girls on the team
Wednesday, November 30, 2016 by Anonymous

Math
Elena has 15 more dimes than nickels. If she has $2.55, how many nickels does she have?
Wednesday, November 30, 2016 by Sam

Math -Calculus
Hi, I need help with the problem: "Use a definite integral to find the area of the region under the curve y=6-4x^2 and above the x-axis". I keep getting stuck at 6x-(4x^3/3). Thanks!!
Wednesday, November 30, 2016 by Gabby

math
Joan babysits for 6 dollars per hour.
Wednesday, November 30, 2016 by brandon

math
Water weighs about 8 pounds per gallon
Wednesday, November 30, 2016 by brandon

7th grade math
Lightning electronics charges $9.98 plus 0.75 per pound to ship electronic purchases. Write and solve an equation to find the weight in pounds of a dvd player for which the shipping charge is $18.23. I thin k it is 9.98 +.75p = 18.23 the answer being 11....thank you again
Wednesday, November 30, 2016 by one more please check my work

Math (Geometry)
Linerar Equations Hourly rate of $8.00 an hour for a guaranteed 40 hours
Wednesday, November 30, 2016 by Frank

Math
How do you find the missing number? 4/5 > 2/x
Wednesday, November 30, 2016 by Me

7th grade math
Allison earns a $40,000 base salary plus a commission equal to 15% of her total sales. What expression represents what she earns in total? I think it is : 40,000 + 0.15s thank you
Wednesday, November 30, 2016 by please check my work

Math 6A unit test
What is the value of the blank in this question? 6/5 divided by ______ = 6
Wednesday, November 30, 2016 by Abby

6th grade math
stephanie ran 1 lap in 6 minutes. At this rate how far would she run in 30 minutes?
Wednesday, November 30, 2016 by Kaye

Math - Aglebra One (Ratios)
my grandfather has a huge coin collection of silver dollars and 50-cent pieces. He promised to give one fourth if his collection to the first of his grandchildren who can figure put the total value of his coins. The only cares he will give are these: There are 133 more silver ...
Wednesday, November 30, 2016 by Christine

math
Mileys music has a sale on music cds. All music Cds are discounTed 15%. mariana's receipt indicates that she saved $3 on her cd purchase. What is the full price of her music cd before discount
Wednesday, November 30, 2016 by Taylor

Math
What does it mean for an equation to be balanced and why must you keep an equation in balance? Can someone explain in there own words please
Wednesday, November 30, 2016 by Sid.V

Math
0.23 decimal as a fraction.
Wednesday, November 30, 2016 by Mahlet

Math
A rectangular playground has an area of 2,996 square yards.if the width of the rectangle is 28,what is the length? Part#1 What is the area of the rectangle in square feet? Part#2
Wednesday, November 30, 2016 by Heaven

Math
B) Noralie used 22 Gallons of Gas to go 682 miles. 1)What are the two unit rates that she might compute? 2)Compute each unit rate and tell what it means. 3) Which way is the most useful? Why?
Wednesday, November 30, 2016 by Siren

Math
My younger sister needs help with this problem: You have an 8 inch stack of dimes, each dimes is a half inch, how many dimes are there? I know the answer is 17, but I need to help her show her work
Wednesday, November 30, 2016 by Palmer

Super Hard Math
What multiplication fact can be found by using the arrays 2 times 9 and 5 times 9
Wednesday, November 30, 2016 by Markeyvion

Math
In a circus a tightrope is stretched from the top of a 10 ft. pole to the top of a 25 ft pole. The poles are 36 feet apart and vertical. How long is the tightrope? Show your work.
Wednesday, November 30, 2016 by Amy

Math
One half of a number plus three is eighteen. Find the number
Wednesday, November 30, 2016 by Anonymous

math
i need help with a problem wanting me to explain the differences between silver and gold using the terms atom and elements
Wednesday, November 30, 2016 by Tyler

math
Find the initial amount given an exponential function. Given the equation y = 24(0.77)^t, what is the initial amount? To find the initial amount, I need to replace t with 0. When I do that, I get y = 24(0.77)^0 which is y = 24(1), so y = 24 In doing other problems, that first ...
Wednesday, November 30, 2016 by Carly

Math
Evaluate the expression when a = 6. a-24 A.-30*** B.-18 C.18 D.22
Wednesday, November 30, 2016 by Sid.V

Math
1. Suppose y varies directly with x and, y=15 and x=5. Write a direct variation equation that relates x and y. What is the value of y when x=9? I need a little help on how to figure out how to write this out. Any help will be appreciated. Thank you
Wednesday, November 30, 2016 by Anonymous

math
I have ten,ones and tenths.My digits are next door numbers and they add up to 9. What number am I?
Wednesday, November 30, 2016 by Owen

Math
1.The difference of a number and sixteen A.n + 16 B.n - 16 C.16n*** D.n/16
Wednesday, November 30, 2016 by Sid.V

Math
You want to buy three books that are on sale at 20% off. The original prices of the books are $2.50, $4.95, and $6.00. How much will you save?
Wednesday, November 30, 2016 by Lucy

math
the position of a car in time t (in hours) is (-10+45t,40+70t) and a truck (40-40t,20+75t) find the distance between the car and the truck at time t=0 in km) i have 53.9km to 1dp find an expression for d^2 in terms of t) I have 7250t^2 -8700t+290 Complete the square which I ...
Wednesday, November 30, 2016 by s17

MATH
3xy-ysquare=2 and 2x -3y=-4
Wednesday, November 30, 2016 by LEKAN

Math
Expand (3+i)^5, where i^2=-1 (3+i)^5=? Please and thanks.
Wednesday, November 30, 2016 by Philip

Calculus MATH
Problem statement a) Suppose f(x) is defined on 0 ? x ? 1 by the following rule: f(x) is the first digit in the decimal expansion for x. For example, f(1/2) = 5 and f(0.719) = 7. Sketch the graph of y = f(x) on the unit interval with appropriate scales for x and for y. Use a ...
Wednesday, November 30, 2016 by JIN

math
what is square root of 54 x 3 x i.
Wednesday, November 30, 2016 by Boberto

math
the cost of banana is Re.1 more than that of an orange. Mr asad purchased 12 bananas and 20 oranges . if he paid Rs.108 to the fruit saller, find the price of a banana and orange.
Wednesday, November 30, 2016 by fazalamin

Math
Find all solutions of the equation cot(theta)+1=0 through the interval [0,2pie).
Wednesday, November 30, 2016 by Anonymous

Math
The sequence a(1), a(2), a(3),...,a(n-1), a(n) is such that a(r)= 7r-3. Show that 1/[?a(r) - ?a(r+1)] = k[?(7r-3) - ?(7r+4)]. The numbers/letters in brackets are subscript.
Wednesday, November 30, 2016 by Jade

Math
In the triangle ABC, AC=2cm, AB=x cm and angle ABC=?/2 rad. 1. Given that angle BAC=? rad, and that ? is a sufficiently small angle, show that x? a + b?^2, where a and b are constants to be determined. 2. For this part, ? is not assumed to be a small angle. The point N lies on...
Wednesday, November 30, 2016 by John

Math
Angela is twice as old as clara. Seven years ago, the sum of their ages was 16. How old is clara now?
Wednesday, November 30, 2016 by Janna

math
the 54th term and 4th term of an A.P are -61 and 64 respectively.Find the common difference and 23rd tem
Wednesday, November 30, 2016 by Ana

math
How much money will amount on ? 560 in 3 years at the rate 4% per annum
Wednesday, November 30, 2016 by ashutosh

math
Find five rational numbers between - 3/5 and - 1/2
Wednesday, November 30, 2016 by vivek

Math
The sum of two numbers is 3.What is the maximum value of the product of the first and the square of the second?
Wednesday, November 30, 2016 by Bhim

Math
Laura bought 24 pounds of sugar for $10. How many dollars did she pay per pound of sugar? If necessary, round your answers to the nearest hundredth. >> I got the answer 0.41 or 2.4. It says it is wrong.
Wednesday, November 30, 2016 by Piper

consumers math
Sam Sounds received a $290 discount loan to purchase a stereo. The loan was offered at 16% for 90 days. Find the interest in dollars and the proceeds for the following problem.
Wednesday, November 30, 2016 by Anonymous

Math
A car travels 540 hours om 45L. of gasoline.How far can it travels on 60L. of gasoline?
Wednesday, November 30, 2016 by John mark

Math
I am an odd number I am less than 100 The sum of my digits is 12 What am I
Wednesday, November 30, 2016 by Anonymous

Math
Two consecutive angles of a parallelogram measures (X+35) and (5X-21) respectively determine the measures of each angle in the parallelogram.
Wednesday, November 30, 2016 by Camille

math
Town P is on bearing 315 degree from town Q. While town R is south of town P and west of town Q. If town R is 60km away from Q, how fara is R from P?
Wednesday, November 30, 2016 by Anonymous

Math
Let y=e^(cos^-1x) for modx<1. Show that (1-x^2)(d2y/dx2)=x(dy/dx) + y. By further differentiation, show that e(cos^-1x) ? e^a(1 - x + 0.5x^2 - bx^3) where a and b are real constants to be determined. I managed to show the first part but I don't get how to do the second ...
Wednesday, November 30, 2016 by Joel

Math
A fish bowl is constructed out of a spherical bowl with diameter 20cm. The bowl was initially empty and water flows into the bowl at a rate of 10cm^3/s. Let V and h be the volume and depth of water in the bowl at time t seconds respectively. Find dh/dt when h is increasing at ...
Wednesday, November 30, 2016 by Isabel

math
Kofi and Ama both receive 50,000 dollars annually in the companies they work for. In Kofi's company, the mean annual salary of 60,000 dollars with a standard deviation of 5,000 dollars. Ama's company on the other hand has a mean annual salary of 35,000 with a standard ...
Wednesday, November 30, 2016 by Kofi1

math
Zach is planning to invest up to $50,000 in corporate and municipal bonds. The lest he will invest in corporate bonds is $6000 and he does not want to invest more than $27,000 in corporate bonds. He also does not want to invest more than $34,650 in municipal bonds. The ...
Wednesday, November 30, 2016 by random

Math
I am anumber greter than 10 but smaller than 40.I am a factor of 56 but not amultiple of 4
Wednesday, November 30, 2016 by Marykaileen Constancio

math
The gradient of one of the line of ax2+2hxy+by2=0 is twice that of the other,show that 8h2=9ab
Wednesday, November 30, 2016 by Sajjad

math
If you wanted to reduce the 8 by 6 rectangle by a ratio of 1/4, what would the dimensions of the new rectangle be?
Wednesday, November 30, 2016 by Diego

Math
Find the integral ?(x^2-6x+1)/(x^2+1) dx
Wednesday, November 30, 2016 by Emily

Math
2tan^-1(tanx/2×tan(?/4-y/2))=tan^-​1(sinx×siny/cosx+cosy)
Wednesday, November 30, 2016 by Mansi

Math
Ok so in class this is what our teacher had us do.... 1.Pick a number to represent the number of times you would like to have chocolate in a week (more than once, but less than 10 times). 2.Double this amount (just to be bold). 3.Add 5. 4.Multiply the result by 50. 5.If you ...
Wednesday, November 30, 2016 by Melissa

math
how many sets of 4 are there in sets of 24?
Wednesday, November 30, 2016 by justin

Math
There are 20 bottles in a box. Each bottle weighs 1 3/4 pounds. How many pounds do all the bottles weigh together?
Tuesday, November 29, 2016 by Pamela

Inequality 6 grade math help
Am I doing this right? Mr. Wizard started at zero and jump to left 7 feet. Auntie long legs started at zero and John to right 5 feet which frog was ahead? Write an inequality statement (using < or >) to compare the values of their lending points. 7 <0 < 5 Aunts ...
Tuesday, November 29, 2016 by Jessica

Math Logs
logbase4(x+5)=3+logbase4(x-2) Tried so many times please help!
Tuesday, November 29, 2016 by Laura

math
how much should be invested now at an interest rate of 6.5% per year, compounded continuously, to have $3000 in 4 years? do not round any intermediate computations and round answer to nearest cent.
Tuesday, November 29, 2016 by .

Math
If I spent 1/3 of my money on a pen and 4/7 on books how much do I have left?
Tuesday, November 29, 2016 by Emily

Math
The sales tax in the town where Amanda lives is 7%. Amanda paid $35 in sales tax on a new stereo what was the price of the stereo
Tuesday, November 29, 2016 by Yuliana

math algebra
The lengths of the three sides of a right triangle are given by three consecutive even integers. Find the lengths of the tree sides.
Tuesday, November 29, 2016 by laura

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. 11
  14. 12
  15. 13
  16. 14
  17. 15
  18. Next>>