Friday
September 30, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
Sarah baked 78 cupcakes for the bake sale. Gabby baked 45 cupcakes for the bake sale. 93 cupcakes were sold at the bake sale. Which is a way to find the number of cupcakes NOT sold? A.Add 78,45,and 93. B. Find the sum of 78 and 45. Then subtract 93. C. Find the difference ...
Thursday, September 8, 2016 by Tommy

Math
Hi John. wants to receive a 96% average on 4 math tests .So far he has taken 3 tests.His grades are 94%, 98%, and 98%. Write an equation in terms of to find
Thursday, September 8, 2016 by Anonymous

Math
The area of a rectangular garden is 38 1/4 square meters. The width of the garden is 4 1/2 meters. Find the length of the garden. I am completely confused on this problem and desperately need step by step instruction on this one.
Thursday, September 8, 2016 by Matt

Math
Ron had 20 apples. He used 2/5 of the apples to make pies. How many apples did Ron use for pies? 2/5x20/1=40/5 40 divided 5=8 Answer: Ron used 8 apples for pies Can you please check this for me to make sure I am correct?
Thursday, September 8, 2016 by Matt

Math
I usually have big problems with word problems but here it goes: On his twelfth birthday, Ben was 4 3/4 feet tall. On his thirteenth birthday, Ben was 5 3/8 feet tall. How much did Ben grow between his twelfth and thirteenth birthdays? 5 3/8-4 3/4=3 feet Can you please tell me...
Thursday, September 8, 2016 by Matt

Math
12) 2 1/7 x 3 2/3= 15/7x11/3=165/21=55/7=7 6/7 13)Divide. Write the answer in simplest form 3/7 divided by 2/3=9/14 14)1/8 divided by 3/4=1/6 15)2 1/7 divided by 3 2/3=45/77 Can you please check to see if I got the above answers correct Thank you
Thursday, September 8, 2016 by Matt

math
Find the domain of the function algebraically and support the answer graphically h times x equal the square root of 4-x squared divided by x - 3
Thursday, September 8, 2016 by tee

Math
3/7 x 14/15=2/5 1 1/3x 5/8=5/6 1 2/9x 1 1/2=2 1/3 can you please check the above problems and let me know if I got the correct answers in simplest form.
Thursday, September 8, 2016 by Matt

Math
5/6x2/3= 10/18=5/9 Can you check this problem for me?
Thursday, September 8, 2016 by Matt

Math
7/8-5/12= 21/24-10/24=11/24 Can you check to see if I did this right and if not can you help me figure it out. Thank you for all your help.
Thursday, September 8, 2016 by Matt

Math
What number am I 14 hundreds 5 thousands 8 tens
Thursday, September 8, 2016 by Amber

Math
Subtract. Write the answer in simplest form. 1) 3/7-4/5=10/35-28/35 This is the part that I got too and I don't know if I did it correctly or not. Can you please tell me how to do this or show me.
Thursday, September 8, 2016 by Matt

math
How would you set up an equation to solve this problem? A clown weighs 60 lbs more than a trapeze artist. The trapeze artist weighs two thirds as much as the clown. How much does each weigh? Choices for the weight of the trapeze artist are: 110, 120, 125
Thursday, September 8, 2016 by kelley

Math
2/8 plus 6/12= 6/24 + 12/24=18/24=9/12=3/4 Can you please check the above answer and tell me if I got this correct?
Thursday, September 8, 2016 by Matt

Math
On an automobile assembly line, every third car is green. Every fourth car is a convertible. a) How many cars are out of the first 100 will be convertibles? b) Which number of car is First Green convertibles? Grade 7 Math Please answer, ASAP.
Thursday, September 8, 2016 by Vince

Math
What are the missing numbers between 10 22 34 46 58 on the number line
Thursday, September 8, 2016 by Anonymous

Math
Add. Write the answer in simplest form 1 9/10 plus 3/4 19/20 plus 3/4= 38/20 plus 15/20=53/20=2.65 Please let me know if I got the correct answer or if I am doing anything wrong.
Thursday, September 8, 2016 by Matt

Math
Add. Write the answer in simplest form. 1. 3/8 + 4/5= 3/8=15/40 4/5=32/40 15/40 plus 32/40=47/40 47/40=1.175 Please let me know if I got the correct answer or if I did something wrong.
Thursday, September 8, 2016 by Matt

Math
Two spheres of copper, of radii is 1cm and 2cm respectively, are melted into a cylinder of radius 1cm. Find the altitude of the cylinder.
Thursday, September 8, 2016 by Anonymous

Math
Find the area of the largest square that can be cut from a circle whose radius 4 mm
Thursday, September 8, 2016 by Anonymous

Math
The formula for the perimeter of a rectangle is P = 2l + 2w. The length of a rectangle is 3 times its width. Which expression represents the perimeter of the rectangle? Question 3 options: 2 + w(3w) 2 + w(w + 3) 2(3w) + 2w 2(w + 3) + 2w
Thursday, September 8, 2016 by Jay

math
A cylindrical tin of diameter 9cm and height 224cm is half filled with water.Find the volume of water in the tin.
Thursday, September 8, 2016 by Kevin

math
32 cans for 7 dollars how much per can
Thursday, September 8, 2016 by robert

Math
Translate this sentence into an equation. 11 more than Donnie's savings is 55 . Use the variable d to represent Donnie's saving
Thursday, September 8, 2016 by Cyfair

Math
An equilateral triangle the real formula use in calculating it
Thursday, September 8, 2016 by Patricia

math
Find the complement of the angles 78 degree 43 second
Thursday, September 8, 2016 by lalremsiami

Math
John. wants to receive a 96% average on 4 math tests .So far he has taken 3 tests.His grades are 94%, 98%, and 98%. Write an equation in terms of to find
Thursday, September 8, 2016 by Anonymous

Math
I have 13 tens who am I?
Thursday, September 8, 2016 by Liana

Math
An airplane travels 1260km in the same time a car travels 420km. If the rate of the car is 120kph less than the rate of the airplane, find the rate of each.
Thursday, September 8, 2016 by Raquel

Math
An airplane travels 1260km in the same time a car travels 429km. If the rate of the car is 120kph less than the rate of the airplane, find the rate of each.
Thursday, September 8, 2016 by Raquel

Math
John. wants to receive a 96% average on 4 math tests .So far he has taken 3 tests.His grades are 94%, 98%, and 98%. Write an equation in terms of to find
Thursday, September 8, 2016 by Raegan

liberal arts math
A population of 240 animals decreases at an annual rate of 10%. Find the multiplier for the rate of exponential decay.
Thursday, September 8, 2016 by denise

Math
Three pictures hang side by side on a wall. What is the total area of the wall that the pictures cover? Length is 10 1/2 inches, 10 1/2 inches, 10 1/2 inches Width 14 2/3 inches Would I need to add 10 1/2 plus 10 1/2 plus 10 1/2 and then multiply by 14 2/3 inches? Please ...
Thursday, September 8, 2016 by Matt

Math
Determine the number of combinations on a bicycle lock that has a 3-digit number combination with only 3 numbers where the numbers can be repeated to open the lock
Thursday, September 8, 2016 by Pedro

Math
Liam has 8 3/4 gallons of paint. He wants to use 2/5 of the paint to paint his living room. How many gallons of paint will Liam use? Multiply 8 3/4 x 2/5=70/20 70/20=3.5 Answer: Liam will use 3.5 gallons of paint Is this correct?
Thursday, September 8, 2016 by Matt

Math
Find the value of k in simplest form for which the larger root of x^2-5x+k=0 is x-5
Thursday, September 8, 2016 by Andarah

Math
find the value of k in simplest form for which the larger root of x^2-5x+k=0 is √6+√11 * √3+√3+√11 * √3+√6+√3+√11 * √3-√6+√3+√11.
Thursday, September 8, 2016 by Andarah

math
There are 568 apples and oranges in a box. There are 40 more apples than oranges. 15 oranges are rotten. How many more apples than fresh oranges are there in the box? work: apples + oranges = 568 apples = oranges + 40 (since there are 40 more apples than oranges) how do i ...
Thursday, September 8, 2016 by shania

math
from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...
Thursday, September 8, 2016 by Anonymous

Math
Simplest form for 2/3 times21
Thursday, September 8, 2016 by Cindy

math
(a) RSTU is a cyclic quadrilateral in a circle of centre O.If RUT is 40°, what are the two values of <ROT (convex and concave)? (b) A RHC has a triangular catchment’s area PQR such that PQ = 22.1Km; PR = 13.5Km and <RPQ =56°. Find <PRQ.
Thursday, September 8, 2016 by bliss

Math
what is the width of a rectangle with a perimeter of 70 feet and length-to-width ratios of 3 to 4,4 to 5 and1to1
Thursday, September 8, 2016 by Abby

Math
Two trains leave the same station at the same time, but are headed in opposite directions. One train travels at 70 mph and the other train travels at 80 mph. How much times passes until the trains are 600 mi apart?
Thursday, September 8, 2016 by NeedHelp

math
(a) Simplify the following: (i) i345 (ii) 32/(-5i) (iii) 6/(7-8i) (iv) 9/(-8+7i) (b) Find the nature of the stationary points on the curve y = 4x3 – 3x2 – 6x + 2
Thursday, September 8, 2016 by bliss

math
(a) If K(−3, − x) and L(3,−4) are such that KL is perpendicular to MN with M(− 5, −6) and N(−3,− 5), find the value of x. (b) The curve y = ax2 + bx + c passes through the points (0, 2) and (1, 3) and its gradient where x = 1 is 6. ...
Thursday, September 8, 2016 by bliss

math
(a) A circle has centre at (−2,−1). One point on its circumference is (−2, −3). Find its radius, correct to 1d.p. (b) If y = x2 for 0 £ x £ 2 is completely rotated round the x – axis, find the volume of the solid of revolution produced.
Thursday, September 8, 2016 by bliss

math
(a) Integrate wrt x:(〖2x〗^4- x^2+2)/x^2 (b) The gradient of the tangent at a point on a curve is given by x2 + 2x – 2. Find the equation of the curve if it passes through (2,3).
Thursday, September 8, 2016 by bliss

Math
Complete the data set with one value so the mean of the data is 13 using numbers 10, 14, 8, 16, 12, x. X=18 Which value can you remove from new set of data so that mean is 14?
Thursday, September 8, 2016 by Teresa

math
(a) Find the resultant of the following coplanar forces acting at point O: 44N in direction 54°, 77N in direction 90°, 60N in direction 146°, 88N in direction 245°. Directions are measured anticlockwise from the positive x-axis. (b) If y = (x2 – 2x + 5)(3x...
Thursday, September 8, 2016 by bliss

Math
-3 =8x-4y solve for y
Thursday, September 8, 2016 by Teresa

math
The position vectors of P, Q and R are 2a – b, m(a – b), and a + b respectively. (a) Find the value of m if PQR is a straight line. (b) State the ratio PQ:QR.
Thursday, September 8, 2016 by bliss

math
) A chord AB of length 13cm is drawn in a circle centre O at a distance of 5cm from O. Find the radius of the circle. Stop at 1 d.p.(b) TA and TB are tangents to a circle centre O. TOC is a straight line and <ATB = 56°. Calculate <ACO.
Thursday, September 8, 2016 by bliss

Math
A bird leaves his nest and travels 20 miles per hour downward for x hours. On the return trip the bird travels 4 miles per hour slower and has six miles left after x hours. What is the distance of the entire trip? How long does the entire trip take
Thursday, September 8, 2016 by Teresa

Math
Write and expression that has a value of 100 and the following restrictions: 1. Uses each of the four operations at most once 2. Uses no parentheses 3. Use only the digit 3
Thursday, September 8, 2016 by Peter

math
) RSTU is a cyclic quadrilateral in a circle of centre O.If RUT is 40°, what are the two values of <ROT (convex and concave)? (b) A RHC has a triangular catchment’s area PQR such that PQ = 22.1Km; PR = 13.5Km and <RPQ =56°. Find <PRQ.
Thursday, September 8, 2016 by bliss

Math
Three pictures hang side by side. What is the total area of the wall that the pictures cover Picture 1-10 1/2 inches Picture 2-10 1/2 inches Picture 3-10 1/2 inches Width is 14 2/3 inches I would think I would need to add 10 1/2 plus 10 1/2 plus 10 1/2 and then multiply that ...
Wednesday, September 7, 2016 by Matt

math
A shippmentof 33 crates like the one shown below is delivered.(41)pounds. Approximately how many pounds did workers unload?
Wednesday, September 7, 2016 by Lodessia

Math
-2(3.1) 3.1×2= When multiplying rational numbers same sign will always be positive (+) and different sign will always be negative (-). By:nimotalai Sarumi Tommy thought polat nimotalai.
Wednesday, September 7, 2016 by Tommy

Math
-2(3.1) 3.1×2=-6.2 When multiplying rational numbers same sign will always be positive (+) and different sign will always be negative (-). By:nimotalai Sarumi Tommy thought polat nimotalai.
Wednesday, September 7, 2016 by Tommy

Math
Orlando earned $92.25 washing windows on the weekend. He worked 3.5 hours on Saturday and 6.75 hours on Sunday. If Orlando charges the same amount for every hour he works, how much does he earn per hour? I believe that what needs to be done is add 6.75 plus 3.5 which is 10.35 ...
Wednesday, September 7, 2016 by Matt

math
An island has an area of 50 square kilometre.what would be its area on a map of scale 1:20000?
Wednesday, September 7, 2016 by vaidehi .k.b

Math
Liam has 8 3/4 gallons of paint. He wants to use 2/5 of the paint to paint his living room. How many gallons of paint will Liam use? I think that I would need to take 8 3/4 - 2/5=8 7/20 Can you tell me if I got this answer right or wrong and if I got it wrong how would I go ...
Wednesday, September 7, 2016 by Matt

MATH...please help
a total of 10,000 is invested in two mutual funds. the first account yields 5% and the second account yields 6%. how much is invested in each account if the interest in a year in $575? i dont know if m supposed to add or not with the %
Wednesday, September 7, 2016 by Heaven

Math
A recipe for brownies requires 2 1/3 cups of flour. If a person wanted to make 9 times that amount for a bake sale how much flour would he need
Wednesday, September 7, 2016 by Jaccifrank

math
Helga's summer job put her in charge of the local soccer and basketball programs. To get ready, she ordered 50 balls, making sure there were 10 more soccer balls than basketballs.
Wednesday, September 7, 2016 by isabella

math
a total of 10,000 is invested in two mutual funds. the first account yields 5% and the second account yields 6%. how much is invested in each account if the interest in a year in $575?
Wednesday, September 7, 2016 by Heaven

Advance Math
If the radius of the right circular cylinder is 4 cm and the height is 16 cm and the measure of the central angle of the shaded sector is 45 degrees, what is the volume of the slice of the cylinder that has the 45 degree sector as it top surface
Wednesday, September 7, 2016 by prt

Math
Javier worked for 16 hours last week and was paid $157. What was Javiers hourly wage?
Wednesday, September 7, 2016 by Amy

Math
The denominator of a certain fraction exceeds the numerator by 1. The reciprocal of the fraction exceeds 3/4 by 7/12. Find the fraction.
Wednesday, September 7, 2016 by AAA

math
two brothers together owned 1/3 of a small rice mill valued at 1,260.000. One brother owned 3/7 as much as the other. What is the value of each one's share
Wednesday, September 7, 2016 by AAA

Math
Is it possible for a trapezoid to havw 3 right angkes explain
Wednesday, September 7, 2016 by Lilly

Math
Whats the function rule when inputs 2,3,4,5 and outputs 2,5,8,11?
Wednesday, September 7, 2016 by Eric

Math -fractions
If a tower is made of blocks that are linked together and there are27 blocks in 3/7 of the tower. Exactly how many blocks are in the entire tower?
Wednesday, September 7, 2016 by Lora

math
Find the original price of a pair of shoes if the sale price is $ 9 after a 75 % discount.
Wednesday, September 7, 2016 by Jasmine

math
in a survey, 1000 people were asked what sports they liked best. of that number, 423 said baseball and 95 said tennis. what part of total number surveyed liked baseball? what part liked tennis?
Wednesday, September 7, 2016 by anthony

math
how would you show his problem as a bar model A box of chalk and 2 staplers cost $10.3 boxes of chalk and 2 staplers cost $18.Find the total cost of 1 box of chalk
Wednesday, September 7, 2016 by anna

Math
Samuel and Jason spend 3/4 of their combined earnings from Wednesday to buy a gift. How much did they spend? Is there enough left over from Wednesday's earnings to buy a card that costs $3.25? Explain Wednesday Samuel's cans (pounds)are 12.6 Wednesday Jason's cans...
Wednesday, September 7, 2016 by Matt

Math
Jason wants to use his earnings from Monday and Tuesday for online movie rentals. The movies cost $2.96 each to rent. How many movies can Jason rent? Jason sells can's to a recycling center that pays $0.40 per pound of cans. Jasons cans (pounds) Monday 11.5 Tuesday 10.7 So...
Wednesday, September 7, 2016 by Matt

math
At the end of the 8th grade,Lin was 3.6 feet tall.Over the next two years he grew 1.2 feet tall. How tall was Lin at the end of the 10th grade
Wednesday, September 7, 2016 by Nausicaa

Math
In the number 652,273, which place contains digits where one digit in one tenth value of the other?
Wednesday, September 7, 2016 by Nancy

math
alex is cutting 45 streamers into parts that are 5 2/3 feet long. if they are laid end to end how far will they stretch?
Wednesday, September 7, 2016 by ally

Math
Write each rational number in the form a/b, where a and b are integers. 1) -6 2) 0.97 3) 18 4) 3.3 5) -2 1/8
Wednesday, September 7, 2016 by Linda

Math
Write a translation rule that maps point D(7, -3) onto point D(2,8)? @Ms. Sue
Wednesday, September 7, 2016 by FluttershyK

Math
I am trying to solve a problem and am having difficulty solving it and do not know how to begin solving it. Samuel and Jason sell cans to a recycling center that pays $0.40 per pound of cans. the table shows the number of pounds of cans that they sold for several days. 1. ...
Wednesday, September 7, 2016 by Matt

Math
The ratio of adults to kids attending a play is 8:5 based on this ratio if 390 people attend how many are kids
Wednesday, September 7, 2016 by Larry

Math
Blah !! + 9 is 96
Wednesday, September 7, 2016 by Gibbs

math
(-3, -1) , m = 1/5 graph this using given point and slope
Wednesday, September 7, 2016 by anu

Math
Write a translation rule that maps point D(7, -3) onto point D(2,8)? Can this be explained how this is done I have no idea.
Wednesday, September 7, 2016 by FluttershyK

Math
Mrs.Carter bought 7 dry erase markers for $40. How much would 20 markers cost ?
Wednesday, September 7, 2016 by Jayla

math
Write the number 14 ones 7 tens 3 hundreds
Wednesday, September 7, 2016 by Jeanie Hooks

math
one more than the difference between 18 and seven times a number is -9
Wednesday, September 7, 2016 by Anonymous

Math
Equivalent expressions for 4a t a t a
Wednesday, September 7, 2016 by Marqoune

Math - vectors
For what value of t are these two vectors parallel? a) r = 4i + tj and s = 14i - 12j What I Know: vectors are parallel if one is a scalar multiple of the other. I need to find a way that r and s relate by finding what number you can multiply r by to equal s. What I Don't ...
Wednesday, September 7, 2016 by Anna

Math
Is this equation true? How do u know? p-q=p+(-q)
Wednesday, September 7, 2016 by Amy

Math
bailey uses results from the experiment to calculate the probability of each color of block being chosen from a bucket.He says p (red)=35%, p (blue)45%,p (yellow)20.jarod uses theoretical probability because he knows how many of each color block is in the bucket. he says p (...
Wednesday, September 7, 2016 by Adriana Elizalde

Math
If a recipe calls for 1 cup of sugar makes 12 muffins and you use two thirds of sugar how many muffins can you make
Wednesday, September 7, 2016 by Anonymous

Math
What is the polynomial that will represent the volume of a cube whose edge is 2x+7?
Wednesday, September 7, 2016 by Jayson

Math III Honors
I am having trouble with piecewise word problems.. I done the first two questions but don't understand the third one which is.. The table below shows the 2002 federal income tax rates for a single person taxable income tax not over $6000 10% of income not over $6000, $600+...
Wednesday, September 7, 2016 by Brittanie Holder

Math
Explain the Error Janine tells her friend that ordered pairs that have an x-cordinate of 0 lie on the x-axis.She uses the origin as an example.Describe Janine's error.Use a counter example to explain why Janine's statement is false.
Wednesday, September 7, 2016 by Esdras

Math
Four more than twice Jason's age is the same as his age ten years from now. How old is Jason now?
Wednesday, September 7, 2016 by Alex

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