Saturday
February 25, 2017

Homework Help: Math

Branches of Math

Recent Math Questions

Math
which of the following represents a unit rate? 1.$4/12 2.5/2 3.(80/1) 4.72/2 Ms. Sue is this right
Thursday, January 26, 2017 by Help I need somebody not just anybody

Math
In 2010 there were 2575 students at ECC.  In 2013 there were 3090 students.  For the units use student increase or student decrease, rounded to the nearest whole, and percent increase or percent decrease, rounded to the nearest 10th, in the answer boxes that ask for units. ...
Thursday, January 26, 2017 by Alicia

Math
IF the LCM of two numbers a and b is 40, what is the LCM of 7a^2 and 7b^2?
Thursday, January 26, 2017 by Thomas

Math
A triangular traffic island has a base half as long as its height. The island has an area of 100 m2 . Find the base and the height.
Thursday, January 26, 2017 by Kat

math
Suppose n, a are integers. If n divides a, then n divides a^2.
Thursday, January 26, 2017 by maggie

MAth
Evaluate the algebra expression H parentheses M plus and divided by 248 equals 4M equals five and an equal six
Thursday, January 26, 2017 by Shaniyah

Math
How many pints are equivalent to 3 gallons
Thursday, January 26, 2017 by Shaniyah

Math
The number 0f blocks has 9 in the one's place the number in the hundres place is one more than the number in the tens place those two numbers equal 11 how many blocks are there
Thursday, January 26, 2017 by Mike

Math-algebra
Find k so that the line through ​(4, 1) and​ (k, 3) is a. parallel to 8x+9y=18 y= -8/9x + 8/9 ​ b. perpendicular to 3x+4y=8 y= -3/4x +2 I have solved both equation and found the slope, but I am not sure were to go from there. When I tried it the first time I got -17/2 ...
Thursday, January 26, 2017 by Jay

Math
The flower produced by the morning glory has a polygon appearance. Classify and name the polygon produced by the flower What does classify mean?
Thursday, January 26, 2017 by Dan

Math
What is the scale factor from rectangle EFGH to rectangle ABCD?
Thursday, January 26, 2017 by Taliya Hunt

Math
How many 1-inch cubes do you need to fill a cube with an edge length of 7/12 foot?
Thursday, January 26, 2017 by Milllo

Math
The Statue of Liberty is 305 feet tall. What scale would be used to make a model 20 inches high?
Thursday, January 26, 2017 by Sam

Math
If 4.5 inches on a map convers 270 miles, what is the scale of inches to miles?
Thursday, January 26, 2017 by Sam

math
Bill ran into his neighbor from across the hall and asked her how old her children were. She replied, “Let’s see if you can figure it out. The product of their ages is 72 and the sum of their ages is the same as my apartment number.” Bill thought for a while and then ...
Thursday, January 26, 2017 by maggie

math
San Pablo is having a festival. Tickets for children under 12 cost $2, adult tickets are $6 and senior citizen tickets are $3. One sixth of the tickets sold were children’s tickets. The 40 senior citizens with tickets sat in the shade under the trees and watched the children...
Thursday, January 26, 2017 by maggie

math
Eight friends went to a hockey game. The price of the admission per person was $x. Four of the friends paid an extra $6 each for players guide book. Write and simplify an expression that represents the total cost.
Thursday, January 26, 2017 by monica

math
Barrie had some stamps. He gave 1/8 of them to Tom. If he gave 15 stamps to Tom, how many stamps did he have at first?
Thursday, January 26, 2017 by Cayden

Math
A carpenter is putting a skylight in a roof. If the roof measures 4x + 5 by 7x + 7 and the skylight measures 10x + 10 by 2x + 6, what is the area of the remaining roof after the skylight is built. Put your answer in factored form.
Thursday, January 26, 2017 by Aidan

math
The table shows the number of people that went to see a movie last week. Use these statements to complete the table. On Thursday, 60% of the moviegoers were male. On Friday, 35% of the moviegoers were male. On Saturday, 70% of the moviegoers were female. On Sunday, 45% of the ...
Thursday, January 26, 2017 by bob

Math
Mary drives 20 miles per hour and it takes 50 minutes to reach her destination. How much time would it take her to get there if she was driving 40 miles per hour? My answer: She doubled her miles per hour, so I subtracted 20 from 50 minutes and came up with 30 minutes as the ...
Thursday, January 26, 2017 by Walker Wood

Math please check
For the function 2x-x^2 find f(4)-f(2) / (2) I got -8-0/2 so my final answer Is -4
Thursday, January 26, 2017 by Maya

math
Mrs. Jones wants to go shopping so she asks her husband for some money. Being busy, he just tell her to take what she needs out of his wallet. She first stops and buys a coat which costs her half of her money plus $2. She then stops and buys a dress, which costs her half of ...
Thursday, January 26, 2017 by maggie

math
A family decides to grow flowers in their garden. They have 56 feet of fence they want to cut into two pieces to make two square gardens. How long should each piece be if they want the total area of the squares to be 100 square feet?
Thursday, January 26, 2017 by maggie

math
An IPAD regularly sells for $ 225 . It is advertised a 20 % discount. Find the total costs of the TV including 7% sales tax.
Thursday, January 26, 2017 by Stephany

math
Mariah is planting a rectangular rose garden. In the center of the garden, she puts a smaller retangular patch of grass. The grass is 2 ft by 3 ft. What is the area of the rose garden?
Thursday, January 26, 2017 by dumb savage

MATH please help CHECK ANSWER
The cones are similar: Small Cone: Radius: 5 Length: 15 Large Cone: Radius: ? Length: 18 What is the radius of the larger Cone? Would it be 8?
Thursday, January 26, 2017 by Batmen

Math
For the function 2x-x^2 find f(4)-f(2) / (2) I got -8-0/2 so my final answer was -4?
Thursday, January 26, 2017 by Maya

math
how many different prime factors do 100 have?
Thursday, January 26, 2017 by Anonymous

Math
Let A and B be sets. Show that A\B(A\B) ⊆ B.
Thursday, January 26, 2017 by Winston

math
If a gallon of milk costs $3.00, how many gallons could be bought with $42.00?
Thursday, January 26, 2017 by j

Math
At 8:00 AM the temperature was 7 degrees Celsius. At 11:00 PM the temperature was 9 degrees Celsius lower. What was the temperature at 11:00 PM?
Thursday, January 26, 2017 by Micah hambers

Very hard math
find the amount of tip on a $75 bill if a 15 tip is left. A. $11.25 B. $11.20 C. $10;50 D. $12.00 I think its 11.25
Thursday, January 26, 2017 by YandereSimLover

8th grade math
Would a triangle with a vertical length of 6 and a horizontal length of 10 have the same slope as the blue and red triangles shown in the graph? ANSWER CHOICES A. Yes, the slopes would be the same B. No, the slope of the new triangle would be 2:4 C. No, the slope of the new ...
Thursday, January 26, 2017 by negative nancy

math
Tracey is twice ws old as sally, karon is 3yrs younger than tracey how old is each girl if their combined ages are37
Thursday, January 26, 2017 by Anonymous

MAth
Which statement is a true statement all rectangles or squares all squares or rectangles every rhombus is a rectangle every rectangle is a rhombus
Thursday, January 26, 2017 by Brooke

math
In a club 15 members choose from them a president , secretary and a treasurer. How many different states of candidates can be chosen?
Thursday, January 26, 2017 by vicky

Math
Let A and B be sets. Show that A\B(A\B) ⊆ B.
Thursday, January 26, 2017 by Winston

math
you have 6 marbles each of a different color . In how many ways can they be arranged in a row?
Thursday, January 26, 2017 by vicky

Math
Write a sequence of transformations that maps triangle ABC onto triangle A''B''C''. --------------------------------------​ A in ABC is 1,9, B in ABC is 3,12, and C in ABC is 4,4. A'' in A''B''C'' is 3,-3, B'' in A''B''C'' is 5,-6, and C'' in A''B''C'' is 6,2.
Thursday, January 26, 2017 by Cali

math.......
I need help. This is an example problem, but i am having trouble finding the answer to all problems like this. I came up with 50 something as my answer. That is NOT an option. Please help!!! this is the example problem. If a pair of jeans costs 39.50 dollars, then you add 5% ...
Thursday, January 26, 2017 by please help FAST :)

Math (Octants identifying) *emergency*
How would I identify a set of coordinates (x, y, z) to be in which octant in a 3d space? Is it just based on the x-value? Depending on the x-value (1-8) used?
Thursday, January 26, 2017 by Ray

I'm stuck on math plz help!!
Which statements represent the relationship between y=2x and y=log2x ? Select each correct answer. The equation ​ y=log2x ​ is the logarithmic form of ​ y=2x ​. <<my choice They are inverses of each other. They are symmetric about the line y = x. <<my ...
Thursday, January 26, 2017 by Rae

Math
One of the angle of a triangle is 110 degree and other two angles are equal. What is the measure of each of these equal angle.
Thursday, January 26, 2017 by Harsh

math
How many positive odd integers less than 500 can be formed from the digits 3, 4, and 5 without repetition?
Thursday, January 26, 2017 by Milet Flores

Math
Find the perimeter of a 30°-60°-90° triangle whose shorter leg is 16cm
Thursday, January 26, 2017 by Angela Nicole

Math
when z is divided by 8, the remainder is 5. What is the remainder when 4z is divided by 8. Can you please explain this to me step by step? I'm having difficulty understanding why the answer is 4
Thursday, January 26, 2017 by Karen

MATH
John bough a pizza sliced into 8 parts. 1 part was given to Jenny and one part was given to Kelly. How much does John has left?
Thursday, January 26, 2017 by jhen

Math
You drop a rock into a deep well. You can't see the bottom of the well but you can hear the impact after T seconds. Suppose the speed of sound is c feet per second and the depth of the falling rock at time t is gt^2/2 feet. Compute the depth d of the well. Your answer will be ...
Thursday, January 26, 2017 by Jamie

Math
Camilla wanta to make fruit drinks. The directions to make one drink includes mixing 4/8 cup of yogurt And one cup of ice with the amount of each fruit shown 5/8 cup of banana slices. 2/8 cup of blueberries. Camilla wants to make 6 drinks for her friends how many total cups of...
Thursday, January 26, 2017 by Jniya

Math
Camilla wanta to make fruit drinks. The directions to make one drink includes mixing 4/8 cup of yogurt And one cup of ice with the amount of each fruit shown 5/8 cup of banana slices. 2/8 cup of blueberries. Camilla wants to make 6 drinks for her friends how many total cups of...
Thursday, January 26, 2017 by Jniya

Math
It took Stacy half an hour to run 11 laps on Monday. What was Stacy's average speed, in miles per hour, on Monday?
Thursday, January 26, 2017 by Nani

Math
if you were to sketch a cirlce graph for the data shown in the table below, what fraction of the circle would represent food? Expense Activities= $600 Food= $450 Souvenirs= %270 Show answer in fraction please!
Thursday, January 26, 2017 by Naomi

math
If a phone company charges $ 0.35 $0.35 for the first minute and $ 0.30 $0.30 for each additional minute for a long-distance call, how long did you talk if the phone call cost $ 8.75
Wednesday, January 25, 2017 by virginia

Math Pre-Calc 12
A box has a Square base. The Perimeter of the base plus the height is 120cm. What is the max volume of this box, and what are the dimensions of the this maximized box.
Wednesday, January 25, 2017 by Nancu

Math/Algerbra
A patient is prescribed 173 mg of medication. The medication comes in the form of a solution, 87 mg/4 mL. To the nearest millilitre, how many millilitres does the patient receive in one dose? Include the unit mL.
Wednesday, January 25, 2017 by Katelynn

Math
A recipe calls for5oz of flour for every 4oz of milk. Let x be the amount of milk used. Let y be the amount of flour used. Express the relationship with an equation. Is the relationship proportional? If you use 14oz of milk, how much flour should you use? Express the ...
Wednesday, January 25, 2017 by Tracey

Math
On Wednesday you drove from home to work at 60 mph and got there in 23 minutes.  On Thursday you drove at 69 mph.  Round answers to nearest 10th.  Use:  R 1 T 1 = R 2 T 2   (double click this to see clearer) Round answer to the nearest 10th and use Unit Abbreviations for ...
Wednesday, January 25, 2017 by Amber

Math
Shawn needs 190 liters of a solution that has a concentration of 18 g/ml for the manufacture of computer parts.  Shawn has an unlimited supply of a solution with a concentration of  37 g/ml.  Using the Formula  C1*V1=C2*V2 answer the following questions.  Round answers ...
Wednesday, January 25, 2017 by Ashley

math
y=5x+7 and 3y-15x=18 they want to know how many solutions does the equation have. i got no solution. check for me please? :)
Wednesday, January 25, 2017 by prisoner

Math
Ren currently owes $5000 to a friend who is charging him interest of 3.00%p.m. He is required to settle the loan with two equal payments one today and the other in 3 months. Calculate the size of the payments using 3 months as the focal date
Wednesday, January 25, 2017 by Ina

math
Two number are in the ratio 7:5 if 2 is subtracted from each of them it becomes 3:2 find the number
Wednesday, January 25, 2017 by Deekshu

math
A rectangle has a width of 12 cm and diagonal of 20 cm find the lenght
Wednesday, January 25, 2017 by Deekshu

Math
On Wednesday you drove from home to work at 50 mph and got there in 43 minutes.  On Thursday you drove at 68 mph.  Round answers to nearest 10th.  Use:  R 1 T 1 = R 2 T 2   (double click this to see clearer) Round to the nearest 10th and Use Unit Abbreviations for Units. ...
Wednesday, January 25, 2017 by A'layja

Math
George needs 50 liters of a solution that has a concentration of 30 g/ml for the manufacture of computer parts.  George has an unlimited supply of a solution with a concentration of  39 g/ml.  Using the Formula  C1*V1=C2*V2 answer the following questions.  Round answers ...
Wednesday, January 25, 2017 by shearlene

Math
Let A denote the portion of the curve y = sqrt(x) that is between the lines x = 1 and x = 4. 1) Set up, don't evaluate, 2 integrals, one in the variable x and one in the variable y, for the length of A. My Work: for x: integral[4,1] sqrt(1+(dy/dx)^2) dy/dx = 1/2sqrt(x) (dy/dx...
Wednesday, January 25, 2017 by Daisy

Math
A certain medicine requires 5 mg per 30 kg of weight.  How much medicine is required for a patient that weighs 271 pounds?
Wednesday, January 25, 2017 by Aaliyah

Math
Lucy can read 300 pages in 4 hours and harry can read 240 pages in 3 hours.Who can read more pages in one hour?
Wednesday, January 25, 2017 by Andrea

math
Sasha has 8 red apples. She has 3 fewer green apples than red apples. How many apples does she have? 13 apples 8-3=5 green 8+5=13
Wednesday, January 25, 2017 by grace

Math
One fourth of a watermelon is divided among three friends what fraction of the whole watermelon will each person get
Wednesday, January 25, 2017 by Elena

math
33 1/3% as a fraction in simplest form
Wednesday, January 25, 2017 by Anonymous

Math
Suppose one person decides to carry out a random act of kindness for three people on Monday. On Tuesday, that same person is kind to three more people, and the three he/she helped on Monday each help three more individuals. If the same circumstances were to occur on Wednesday...
Wednesday, January 25, 2017 by Andy

Math
A 48-fluid-ounce container of orange juice costs $2.40.A 60-fluid-ounce container of orange juice costs $3.60. Which is a better buy????
Wednesday, January 25, 2017 by Juliana

math
an 8 ft. piece of board must be cut from a 10 ft. two-by-four. allowing 0.125 ft. for the saw blade, how many inches long is the remaining piece?
Wednesday, January 25, 2017 by jeremy

math
i really need help im really confused on what to do to find the percentage write 3 3/5 as a percentage
Wednesday, January 25, 2017 by worthless

Math
Centimeter for grid, draw possible rectangles with 16 cm with lengths are whole centimeters po
Wednesday, January 25, 2017 by Brenda

4th grade math
Solve this number riddle: I am an odd number. I am less than 100. The sum of my digits is 12. I am a multiple of 15. What number am I? Is it 1?
Wednesday, January 25, 2017 by Nik

math
a market woman bought 30 eggs for #700.if 4 eggs were broken and she sold the rest at #25 each.how much did she gain?
Wednesday, January 25, 2017 by Racheal

Math
11+6=19-
Wednesday, January 25, 2017 by Ashley

Math
In the midsize Station wagon category, the Mercedes Benz E63 AMG S 4matix averages 15.63 L/100km while the Toyota Prius v averages 6.71 L/100km. Convert these fuel economies to miles per gallon.
Wednesday, January 25, 2017 by Jack

Math
In the two-seater category of automobiles, the Bugatti Veyron averages 10 miles per gallon, while the Smart Fortwo Electric Drive Convertible averages 107 miles per gallon. Covert these fuel efficiencies to L/100 km.
Wednesday, January 25, 2017 by Anonymous

Math
A carpenter has a board that is 8 feet long. He cuts off to pieces. One piece is three and a half feet long and the other is 2 1/3 feet long. How much of the board is left?
Wednesday, January 25, 2017 by Hannah

CAN YOU HELP ME??? Math Connections Acadamy
7th grader at Connexus and I need help Juan averaged 16 points for the first 6 basketball games. In his 7th game, he scored 25 points. Which of these is a reasonable conclusion about Juan’s scoring average? 1 He always scores the most points on his team. 2 His final scoring ...
Wednesday, January 25, 2017 by Hallee

Math
Are these correct? I need to bring my grades up for math. Please help! 1. Identify the decimal and simplified fractional form of 60% A)0.6 and 4/5 B)0.6 and 3/5 *** C)0.06 and 3/5 D)0.06 and 6/10 2. A baseball team wins 45% of its games. What fraction of games does it win? A)8...
Wednesday, January 25, 2017 by Jasmine

6th grade math
What number would be subtracted by 8 that would make it less than equal to 28
Wednesday, January 25, 2017 by Zeta

Math 114
Solve and check x+y=12;y=3x x+y=12;y=3x x+3x=12 4x=12 4x/4=12/4 x=3 y=3x y=(3)(3) y=9
Wednesday, January 25, 2017 by Rosa

MATH
HOW MANY QUATERS KG CAN BE MADE FROM 15 KG ?
Wednesday, January 25, 2017 by MATHS

Math
lynn plotted a point on a number line at -12 and tammy plotted a point at 25. The distance between their point can be calculated using the expression below. (-12-25) What is distance between their points? 37 13 -13** -37
Wednesday, January 25, 2017 by Help Ms.sue

math
A piece of wood is divided in 3 pieces in the ratio 3:4:2. The length of the longest piece is 72. Calculate the length of the piece of wood. Answer 162
Wednesday, January 25, 2017 by Patricia

Math
A scuba diver was swimming at a depth of 8 meters below the surface of the water. He saw an eel swimming 3 meters above him and a squid swimming 4 meters below him. Which of the following methods shows a correct way to find the depth at which the eel was swimming?
Wednesday, January 25, 2017 by Help

Math Question from Teacher Exam
Another crazy question on the exam. A teacher gives each child a picture card of an animal with a number. She tells the student to make the animal sound the number of times that matches the number on the card. What type of reasoning is the teacher teaching? I can't remember ...
Wednesday, January 25, 2017 by Sheila

math
A piece of wood is divided in 3 pieces in the ratio 3:4:2. The length of the longest piece is 72. Calculate the length of the piece of wood.
Wednesday, January 25, 2017 by Patricia

Math Question from Teacher Exam
The question- The teacher gives her students 8 faces and 7 smiles and tells them to match the smiles with the faces. What concept is the teacher helping her students understand? Is it one to one concept? One to many? or One more than? I think it is one more than but not sure ...
Wednesday, January 25, 2017 by Sheila

Math
Zoey has invested $30 000 in a registered education savings plan (RESP). She wants her investment to grow to at least $50 000, so that her newborn can go to university at age 18. What interest rate, compounded annually, will result in a future value of $50 000? Round to the ...
Wednesday, January 25, 2017 by Emma

math
Riley invests $100 in the year 2000. The account is compounded annually. The account earns 3% interest for a period of 30 years. After 30 years, how much money will be in the account?
Wednesday, January 25, 2017 by marilyn

math
2/5 of a school are boys. when 1/5 of the boys are absent 160 boys are present. How many girls are in the school?
Wednesday, January 25, 2017 by Anonymous

math
The probability of getting a sum of 5 when you roll two number cubes is How many times should you expect to get a sum of 5 if you roll the cubes each number of times? a. 9 b. 18 c. 27 d. 100 e. 450
Wednesday, January 25, 2017 by Maddox

Math!!!!
Congruency means that two figures or items are exactly the same size and shape. Where in life would it be vitally important for two or more items to be congruent?
Wednesday, January 25, 2017 by MarieGrande

Math
Congruency means that two figures or items are exactly the same size and shape. Where in life would it be vitally important for two or more items to be congruent?
Wednesday, January 25, 2017 by MarieGrande

8th grade math /lesson3/functions
Find the next three terms in the sequence 1. 30, 22, 14, 6... -3, -12, -21**** -1, -8, -15 -1, -2, 3 -2, -10, -18 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this one)^^^^^^^^^ Find the ...
Wednesday, January 25, 2017 by crybaby

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