Friday
September 30, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math homework help
write the equation of the ellipse that has its centre at the origin with focus (0,4) and vertex at (0,7)
Tuesday, August 30, 2016 by laura

math
Find the absolute error, the upper limit and lower limit for 8 h, Least unit of measurement= 1h Absolute error =1/2 of 1 h = 0.5 h Upper limit = 8+0.5 = 8.5 h Lower limit = 8 - 0.5 = 7.5 h
Tuesday, August 30, 2016 by Bernard

math homework help
Find lim f(x+h) - f(x) / h h -> 0 for f(x) = 5-2x
Tuesday, August 30, 2016 by ottilie

math
A point P is 500m from the base of a pole. If the angle of elevation of the top of the pole to the point P is 40 degrees, find the height of the pole
Tuesday, August 30, 2016 by liz

math
evaluate the expression (94) 93 a. 94 b. 93 c. 1 d. 88 e. -5
Tuesday, August 30, 2016 by lottie

math
100 student appeared in class test for a combined english and hindi examination. 70 students passed in both,8 failed in english and hindi and 5 failed in hindi only find how manystudents failed in english and how many students passed in hindi also find how many students passed...
Tuesday, August 30, 2016 by david

Math
A craft project requires 5/6 yards of ribbon to make 4 refrigerator magnets.How many inches of ribbon are needed for each magnet?
Tuesday, August 30, 2016 by Henry

Math
A straight line x/a -y/b =1 passes through the point (8,6) and cuts off a triangle of area 12 units from the axes of coordinates .find the equation of straight line
Monday, August 29, 2016 by Anonymous

Math
List the multiples of 4 from 8010 to 8019
Monday, August 29, 2016 by Lin

Math
What is 4 x 6 x 5
Monday, August 29, 2016 by Vanessa

Math
What is 50x50 and why pls show work (don't show adult work I'm in 6 grade I'm not going to understand lol)
Monday, August 29, 2016 by Vanessa

math
Can you please help me. 3/x-1=8
Monday, August 29, 2016 by Mike

math
(x+2)/5=(10-2x)/3 Thank You.
Monday, August 29, 2016 by Trenton

math
why might you want to round to the nearest hundred rather than the nearest ten?
Monday, August 29, 2016 by stacey

Math
Write the greatest odd number that uses the digits 3 4 5 once each
Monday, August 29, 2016 by Rachel

Math
5x+6/3x-9=7/3
Monday, August 29, 2016 by Lacy

Math
Which is greater, the greatest whole number with 4 digits or least whole number with 5 digits
Monday, August 29, 2016 by Jaime

Math
I am not asking for an answer, I´m just requiring some help to understand the following problem: How are graphs of the functions obtained from the graph of f? a. y= -f(x) b. y= 2f (x) -1 c. y= f(x-3) +2
Monday, August 29, 2016 by Amelie

Math
How many buses with the school need if only 40 students can ride on each bus
Monday, August 29, 2016 by Alejandra

Math
One-fourth of the girls and one-eighth of the boys in a class retake their school pictures. The photographer retakes pictures for 16 girls and 7 boys. How many students are in the class?
Monday, August 29, 2016 by Mike

math
Please show me how to solve: Brenda drove three times as far as Jan. Brenda drove 24 miles more than Jan. How far did Jan drive?
Monday, August 29, 2016 by kelley

Math
How many times greater is the value of the 2 in the thousands place than the 2 in the tens place in the number 742,025?
Monday, August 29, 2016 by Ana

Math
The fruit stand has 40 pounds of apples and 5 pounds of oranges to sell. What is the ratio of apples to oranges? A. 8/1 B. 40/45 C. 5/45 D. 1/8 I thinks it is D
Monday, August 29, 2016 by Rochelle

Math
What is a lcm
Monday, August 29, 2016 by Ericka

Math
Kevin has an equal number of quarters nickels and dimes in his piggy bank, he randomly picks a coin replaces it and picks another coin. What is the probability that the sum of the two coins picked is at least thirty cents
Monday, August 29, 2016 by Jason

Math
What is the sum? -3 1/3 b+b
Monday, August 29, 2016 by Amy

Math
Ashton broke apart a number into 30+7. What number did he start with
Monday, August 29, 2016 by Audrianna

math
AB = 3x + 9, BC = 4x - 7, AC = 37. What do x and AB equal?
Monday, August 29, 2016 by bobby

Math
Use the "charges" particles model to show that 9+(-5)=4
Monday, August 29, 2016 by Amy

Math
Find the vertex and the axis of symmetry for the parabola y= 2x^2 + 8x + 5. How can I do this without graphing?
Monday, August 29, 2016 by Thepo

Math
Using the function y equals x plus 5 complete the following what is the answer
Monday, August 29, 2016 by Keifer

Math
How do I solve this system of equations win inequalities? {y < 2x+2} {y> -x + 1}
Monday, August 29, 2016 by Kuctatoop

Math
Where do I put parentheses to make this true: 12-8-2•2^4=35
Monday, August 29, 2016 by Ann

Math - Check please!
I. -28/4 -7 *** 7 - 1/7 1/7 II. Which equation represents “fifteen more than r is sixty-one”? r + 61 = 15 r + 15 = 61 *** r – 15 = 61 r – 61 = 15 III. What is the value of 4^2 – 2(3 x 5 + 1)? 8 1 -16 *** -21 IV. What symbol is needed between -2 and |-3...
Monday, August 29, 2016 by Jamie

Math
Use the charges particles model to show that 9+(-5)=4
Monday, August 29, 2016 by Amy

Math
You are making a necklace that is 9 inches long. You use 6 beads for each inch. What integer is the change in your supply of beads after making the necklace?(negative answer)
Monday, August 29, 2016 by Anonymous

Math
You are making a necklace that is 9 inches long. You use 6 beads for each inch. What integer is the change in your supply of beads after making the necklace?(negative answer)
Monday, August 29, 2016 by Anonymous

Math
Check My Answer Please. Which statement is an example of the Identity Property of Multiplication? 8 • 0 = 0 8 • 1 = 8 8 • –1 = –8** –8 • –1 = 8
Monday, August 29, 2016 by Lexii Jolly

math
At 7:00 a.m., the temperature was 8 degrees Celsius. What was the temperature at midnight if the temperature was 10 degrees lower? A.-18 degrees Celsius B.-2 degrees Celsius C.2 degrees Celsius D.18 degrees Celsius
Monday, August 29, 2016 by pier

Math
List the factors. Is this a prom or composite
Monday, August 29, 2016 by Jack

Math
students can improve their math performance by putting forth additional effect when necessary. True or false I think it's True correct me if I'm wrong
Monday, August 29, 2016 by Maddi Helton

math
I need help figuring the grade for two students I keep getting a big number. *Note Final can replace a low exam grade 𝐺𝑅𝐴𝐷 ​9864; = .15 ∗ (𝐷𝑎𝑖𝑙​19910; 𝑎𝑣𝑔) + .65 &#...
Monday, August 29, 2016 by chris

math
You invest $1,000 at 4% compounded daily. Two years later you take the balance and place it into an account earning 4.5% compounded daily. Determine the value of your account three years after the 2nd investment.
Monday, August 29, 2016 by kat

math
An account offers an APR of 6% compounded monthly. How much must you deposit today into this account in order to have $10,000 in five years.
Monday, August 29, 2016 by Vivan

math
In a class of 36 students 75% pass the exam. How many failed the exam
Monday, August 29, 2016 by hammed

math
a semi circle of diameter 6cm is cut from a rectangle with sides 6cm and 8cm.calculate the perimeter of the shaded shape correct to 1 decimal place
Monday, August 29, 2016 by ian

Math
How many decimal places will there be in the product shown below? 23.56 x 14.2=? A:One B:Two C:Three D:Four (My Answer) Am I right?
Monday, August 29, 2016 by Jasmine

Math
if the temperature starts at 0°f and drops 2 degrees an hour, how many hours would it take it to reach -8 °f? write a number sentence and solve.
Monday, August 29, 2016 by Yaya

Math
6,16,26,36,46 It is an arithmetic sequence or a geometric sequence or neither ?
Monday, August 29, 2016 by Yoskary

Math
The larger of two numbers is 1 less than 3 times the smaller number. If twice the smaller number is increased by the larger number, the result is 18 more than the larger number.Find both numbers
Monday, August 29, 2016 by Omer

Math
The union of sets P = {1, 2, 3, 4, 5, 6} Q = {4, 5, 6, 7, 8, 9} is given by which of the following? {1, 2, 3, 4, 5, 6, 7, 8, 9} {1, 2, 3, 4, 4, 5, 5, 6, 6, 7, 8, 9} ø {4, 5, 6}
Monday, August 29, 2016 by Beth

math
There are 48 balls in a box. If 1/4 of the balls are white, 1/6 of them are blue, 1/8 of them are red and the rest are green, how many balls of each color are there?
Monday, August 29, 2016 by Esor

math
My hundred digits are less than 10 digits and ones digits are greater than 10 digits, what's my number?
Monday, August 29, 2016 by Xavier Williams

math
solve the system of equations algebraically for real values of x and y { x+y=16 x^2+y^2=128 a. (6,6) b. (8,6) c. (9,8) d. (8,8) e. no solution
Monday, August 29, 2016 by laura

math
find the equation of the hyperbola with vertices (4,0), (-4,0) and focus (7,0)
Monday, August 29, 2016 by laura

math
any sound from one focus of an ellipse reflects off the ellipse directly back to the other focus. This property explains whispering galleries such as Statuary Hall in Washington DC. Imagine a whispering gallery in the shape of a semi-ellipse. The distance between F and F is 28...
Monday, August 29, 2016 by laura

MATH
The tip of a plant was 6cm above a lake but a sudden wind forced the plant to move 10 cm fat from its original position and then it submerged into the lake. Find the depth of the lake upto which it was sinking. Please help!!!!!!!!!!
Monday, August 29, 2016 by A GOODSTUDENT

math
Ruth baked a big cake to sell during the school fair. She cut the cake into many equal pieces. She sold two- thirds of the pieces. She gave half of the remaining pieces to her friends. She then had 6 pieces left to bring home. Into how many pieces did she cut the cake?
Monday, August 29, 2016 by Rose

math
There are 48 balls in a box. If 1/4 of the balls are white, 1/6 of them are blue, 1/8 of them are red and the rest are green, how many balls of each color are there?
Monday, August 29, 2016 by Rose

math help please?!
Find all (a) minors and (b) cofactors of the matrix [ -3 2 -8 ] 3 -2 6 -1 3 -6
Monday, August 29, 2016 by laura

math help please?!
Solve the system by Gauss - Jordan elimination. { 1/3 x + 3/4 y - 2/3 z = -8 x + 1/2 y + 1/3 z = 18 1/6 x = 1/8 y - z = -24 a. (−6, 8, −24) b. (−6, −8, −24) c. (0, 8, −24) d. (6,8,24) e. (6, −8, 24)
Monday, August 29, 2016 by laura

math help please?!
An object moving vertically is at the given heights at the specified times. Find the position equation s = 12 at^2 + v (small o) t + s (small o) for the object. At t = 1 second, s = 161 feet At t = 2 seconds, s = 98 feet At t = 3 seconds, s = 3 feet a. s=−8t^2−t&#...
Monday, August 29, 2016 by laura

math
Ruth baked a big cake to sell during the school fair. She sold two-thirds of the pieces. She gave half of the remaining pieces to her friends. She then had 6 pieces left to bring home. Into how many pieces did she cut the cake?
Monday, August 29, 2016 by Anonymous

math
There are 48 balls in a box. If 1/4 of the balls are white, 1/6 of them are blue, 1/8 of them are red and the rest are green. How many balls of each color are there?
Monday, August 29, 2016 by Anonymous

Math
Solve it showing detail steps..please. Integrate : ∫(cos^3 x)^2 ⁡dx
Monday, August 29, 2016 by Wawen

Math
Peter, Paul and Mary have $24 between them. Together Peter and Mary have double the amount of money that Paul has, while Paul and Mary together have the same amount of money as Peter. How much money does Peter have?
Monday, August 29, 2016 by Matt

Math
there is an even number greater than 0 and less than 4 in my hundredths place. the digit in my tenths place is twice as large as the digit in my hundredths place what decimal am i
Monday, August 29, 2016 by Nancy

math
My three friends and i ordered 2 pizzas. Each pizza was cut into 8 pieces.Each of us ate 3 pieces.What fractions of a pizza did each of us eat?What fraction of a pizza remained?
Monday, August 29, 2016 by Anonymous

math
My numerator is 2 less than my denominator. I am more than 1/2. What fractions can I be? '
Monday, August 29, 2016 by Anonymous

Math
Graph both equations and conpare the rate of change in both graphs. 1: y = 2x + 1 2: y = 1/4x - 2 I've already graphed them correctly, but comparing the rate of change confuses me. ( Doing summer HM ) I did 2 x 1/4 and got 8. Is this correct?
Sunday, August 28, 2016 by William L

Math. Need help
1.if g=5 and k=1, evaluate 9+gk a. 13 b. 14 c. 15 d. 16 2.Evaluate a-b^2/b if a = 10 and b = 2. a. 1 b. 3 c. 8 d. 32 3.Evaluate 3xy^2 - y if x = 2 and y = 5. a. 26 b. 30 c. 120 d. 145 4.Evaluate 2d + d^2/3 if d = 6. a. 4 b. 12 c. 14 d. 24 5.Evaluate (a-4b)^2 + 2a if a = 15 and...
Sunday, August 28, 2016 by A.

Math
Matt and Carla together can mow a lawn in 8 hours, alone Carla takes four times longer than Matt. How long does Matt take?
Sunday, August 28, 2016 by Kimiko

Math science
If the numbers never end is zero the end number?
Sunday, August 28, 2016 by Jan

Urgent Math
Please solve it in step by step. integrate: ∫(cot2x-csc2x)^2 dx
Sunday, August 28, 2016 by Wawen

Math
How do you write 210,004,050 in standard form?
Sunday, August 28, 2016 by Jan

Math
Let f(x) = 3x + 2 Find f(a) and f(2a). I'm confused, can someone help me?
Sunday, August 28, 2016 by PT

Math
The sides of a rectangle are x and 3-2x.Express the rectangle's area as a function of x.Express the rectangle's perimeter as a function of x. Explain why x cannot equal 2. Area= L x W A= x (3-2x) A= 2x^2 + 3x Perimeter= 2(L + W) P= 2(x+3-2x) P= 2(3-x) P= 6-2x Would ...
Sunday, August 28, 2016 by Nonym

math
Use an integer to represent the change in the airplane's height. An airplane descends 5,000 feet.
Sunday, August 28, 2016 by nick

math
use an integer to represent the change in the airplanes height.an airplane descends 5,000 feet.
Sunday, August 28, 2016 by nick

Math
The bearing of p from q is 055°. Solve it
Sunday, August 28, 2016 by Lase adeoye adeyemo

math
Dillan has a new cd with 6 songs on it. He puts it on random play. How many ways can the songs play ?
Sunday, August 28, 2016 by Amber

math
(2x-3y4)3(x3 + y)0 / (4xy-2)3
Sunday, August 28, 2016 by mercyjade

math
Determine the balance of $8,750 is invested at an APR of 3.25% (simple interest) for ten years.
Sunday, August 28, 2016 by Mike

College math
Determine the balance of $10,000 is invested at an APR of 9% compounded monthly for seven years.
Sunday, August 28, 2016 by Brooke

math
just please tell me the equations statement (twenty less than a number is 54 and the sum of a number is 12 is 27)
Sunday, August 28, 2016 by alijahh

Math
I need some help with this please. Find the height of a triangle where area=14 and base=4
Sunday, August 28, 2016 by Joan

Math
Flower bed with 6m long and 2m wide. If each edges is 1m,how many concrete edges are there?
Sunday, August 28, 2016 by Lavanya

Math
A rectangular garden is 30 m long and 20 m wide. A path of uniform width is set around the edge that reduces its area to 375m^2. What is the width of the path?
Sunday, August 28, 2016 by Grace

math
A product of a two digit number is24 when the number is reverse exceed the original number by 27 find the number
Sunday, August 28, 2016 by fatma

Math
In a right angled triangle, the length of a hypotenuse is 10 cm. Of the two shorter sides, one side is 2 cm longer than the other side. i) Find the lengths of the two shorter sides. ii)Hence, find the area of the triangle.
Sunday, August 28, 2016 by May

Math
A water tank is 5m tall and has a diameter of 3,5m.calculatethe capacity (volume) of the tank
Sunday, August 28, 2016 by Anonymous

Math or Maths???
Which word is correct to use? Math or Maths?
Sunday, August 28, 2016 by A GOODSTUDENT

Math
Rename 1/10 as a percent
Sunday, August 28, 2016 by Seulbi

Math Need Help
Integrate it step by step: ∫((2x+4)(2x-1))/(3x-2)
Sunday, August 28, 2016 by Wawen

math
Formula of Area of triangle in coordinate geometry
Sunday, August 28, 2016 by Anonymous

Math College 115
According to a 2010 Kaiser Family Foundation report, during 2009 spent almost every waking hour outside of school using electronic devices such as iPhones, computers, or televisions. Those aged 8 to 18 spent an average seven and a half hours a day in 2009 versus six and a half...
Sunday, August 28, 2016 by Diora

math
If a convex quadrilateral polygon has two rectangle and each angle is120° then what is the no of sides of polygon?
Sunday, August 28, 2016 by jyotiprakash

Math
If points X and Y are placed to the left of point Z on the line L such that 2YZ = 5XY, what is XY / XZ ? <_X________Y__________Z_> line L
Saturday, August 27, 2016 by Anonymous

Math
GH/HI = 1/3 and HI/IJ = 1/2 If the length of GI is 24 then the length of GJ is ________
Saturday, August 27, 2016 by Anonymous

College Math
Ted stops by a club every Friday night and spends $50. He also spends $350 each month on groceries. Ted's spending at the club is what percentage of his groceries expenses. Assume that 4 Friday's per month.
Saturday, August 27, 2016 by Jasmine

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