Saturday
August 29, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

Math
A blueprint 8 centimeters wide and 14 centimeters high is to be enlarge.if the height of the enlargement will be 30 centimeters, how wide will it be?
Wednesday, August 26, 2015 by Mj

Math
A building casts a shadow of 8.5 meters when a man, 1.68 meters tall, casts a shadow of 1.1 meters.Find the height of the building.
Wednesday, August 26, 2015 by mary jean lumagot

Math
A tree casts a shadow of 12 meters when a 5meter post nearby casts a shadow of 6 meters find the height of the tree.
Wednesday, August 26, 2015 by mary jean

Math-Trigonometry
The angles of elevation to the top of a mountain are measured from beacons A(22°) and B(40°) at sea. If the beacons are 125m apart, how high is the mountain?
Wednesday, August 26, 2015 by Lucifer Mato

MATH
Simplify x^3x^4y^0 __________ x^0
Wednesday, August 26, 2015 by Camz

MATH
Evaluate: x^5y^8 ______ if x=2, y=2 and z= 1. z^5 ^its in fraction form Thank you so much for those who answer :))
Wednesday, August 26, 2015 by Camz

math
To what number does 153 rounded to the nearest hundred? Use the number line to explain why.
Tuesday, August 25, 2015 by nilar

Math
The greatest place value is hundred thousand. The digit in the tens place is 5.the remaining digit ate 2, 3, 8 and 7. One of the digit has a value of 30,000. One of the digit had a value of 800. The value of the digit in the thousands place is 10 times greater than this. There...
Tuesday, August 25, 2015 by mary

math
simplify: 5-(-3)^2 -6
Tuesday, August 25, 2015 by Brian

math grade 7
Does 5-(-3)^2 -6 equal 5-(-9)-6 equal 5+9-6 equal 14-6 =8 ?????? Thanks!
Tuesday, August 25, 2015 by Bryan

math
what are the three smallest 7 digit whole numbers that can be made using only the digits 4,3,0,9,2,8,and 5? Each digit must be used exactly one time in each number.
Tuesday, August 25, 2015 by Felix

math
In January 2009, the state of Nevada was facing a budget deficit of $1.5 billion. The population of the state was approximately 2 million. How much would each person in the state have to contribute to pay this deficit? please send me the answer to savarywg@go.wpcc.edu
Tuesday, August 25, 2015 by billy savary

math
order of operations; simplify 4.5-10-2(1-2)+5 thank you!
Tuesday, August 25, 2015 by martha

math
if the equation |x - a| = |y - a| is true, then which of the following must be true? a. |x| = |y| b. x>a c. |x + y| ‚ 0 d. y<a e. | -a+y | = | -a+x |
Tuesday, August 25, 2015 by anonymous

Math
If m and n are integers, which of the following must be an even integer? A. 2mn B. mn C. mn+2 d. mn-2 e. 3mn
Tuesday, August 25, 2015 by Jessica

Math
During a parade,band members marched in 18 rows.There were 9 band members in each row .The band members marched for 2 miles. How many band members were there?
Tuesday, August 25, 2015 by Anonymous

math
Write a real world description to fit the expression negative 50 divided by 5
Tuesday, August 25, 2015 by suzanne

math
convert to fraction: 8.714285714285714285...(the 714285 is repeating.
Tuesday, August 25, 2015 by mara

Math
Rationalize the Denominator (√a-√b)/(√a+√b) I have literally no idea how to do this one. It's an online class so I have no teacher to ask at the moment and need help. Also i copy and pasted the square root symbols, just to let you know.
Tuesday, August 25, 2015 by Chantry

math
rationalize the numerator: ((square root of m)-(square root of 7))/(7-x). thank you so much
Tuesday, August 25, 2015 by mara

math help
3^(n+1)-3^(n-2) Need help simplifying this please.
Tuesday, August 25, 2015 by richard

Math and Science
Integration of curriculum areas can be pictured in a weblike structure in which mathematics is always at teh center and science and other subjects are attached by radials true or false
Tuesday, August 25, 2015 by Neat

Math
The length of the longest piece of bread measured 1,405 pounds and 1 and 3/4 in. It was cut into slices 1/2 in. Thick. How many slices were there?
Tuesday, August 25, 2015 by Izzy

Math
The completion times for three runners in a 100-yard dash are 9.75 seconds, 9.7 seconds, and 9.675 seconds. Which is the least time?
Tuesday, August 25, 2015 by Yarielys

Math
simplify the expression (4 square root of x)/(6-square root of x) I need help with this. I've worked it out to the point where i got (2 square root of x)/(3-square root of x), but I'm pretty sure that it can be simplified further. If what I'm thinking is right you ...
Tuesday, August 25, 2015 by David

Math
Use the commutative and distributive properties of multiplication to write an equivalent expression to 2(x−3).
Tuesday, August 25, 2015 by Anonymous

college math
1. If a person jogs at a rate of mi/hr for hr in a week, how many calories will the person burn?
Tuesday, August 25, 2015 by sara

math
Susan has 8/9 gallons of water. She drinks 2/5 of it. Select all the statements that help you determine what fraction of a gallon she has left. Divide 8/9 by 2/5. No Divide 2/5 by 8/9. Yes Multiply the fractions together. No Multiply 8 x 2 and 9 x 5. No Can someone check my ...
Tuesday, August 25, 2015 by anonymous

Math
simplify the expression (4 square root of x)/(6-square root of x) I need help with this. I've worked it out to the point where i got (2 square root of x)/(3-square root of x), but I'm pretty sure that it can be simplified further. If what I'm thinking is right you ...
Tuesday, August 25, 2015 by David

math
The sum of the first 12terms of an arithmetic progression is 135 while the sum of the next 8 terms is 210. Find the common difference
Tuesday, August 25, 2015 by Jay

Math
simplify the expression (the 7th root of 11x/y^6)(the 7th root of y^6/11x^8) the root is over the whole fraction in both cases. I've already done the problem once and got x(the 7th root of 1/x). which apparently this is wrong.
Tuesday, August 25, 2015 by Lisa

Math
Write the expression as a single fraction and simplify. 3/a + 3/b Is this when you cross multiply and get 3a + 3b? Except the answer has to be a fraction so I am not sure.
Tuesday, August 25, 2015 by Selena

math
If x + y + z = 26, find the value of (y-2) + (z+3) + (x-3). I was so confused on this question and didn't even know where to start. Please help me!
Tuesday, August 25, 2015 by Lily

Math
what is a good website to practice limits?
Tuesday, August 25, 2015 by Jordan

math please help 9th grade
Which sum will be irrational? (1 point) 3 + 2 start root 19 end root plus start fraction 7 over 2 end fraction Start Fraction 18 over 3 End Fraction plus Start Fraction 11 over ten thousand End Fraction. –6 + (–3.251) Which product will be rational? (1 point) 17 ...
Tuesday, August 25, 2015 by XenaGonzalez

math
if the sum of two numbers are 35 and the product of that two numbers are 200,then find those two numbers
Tuesday, August 25, 2015 by kranti

Math
I am converting 0.57 to a fraction. My answer is 57/99. Am I correct.
Tuesday, August 25, 2015 by Tamara

Math
I am converting 0.12 to a fraction. My answer is 3/25 am I correct. Thanks
Tuesday, August 25, 2015 by Tamara

math
-12 ÷ 3 x ( -8 + (-4)^2 - 6 ) + 2 how do you simplfy this expression?
Tuesday, August 25, 2015 by Anonymous

math
Sandra wants to buy some chocolates as a gift to her friend . Each bar of chocolate is worth Php. 75.00 Question : a.Write the equation . b.What is the constant of variation ? c.How much did she pay if she buy 7 bar of chocolates ?
Tuesday, August 25, 2015 by kevin

math
an airplane leaves an airport and travels 100 miles in a direction of 300 degrees. How far North of the airport is the plane then?
Tuesday, August 25, 2015 by queenie

Math
What would be the easiest way to convert a fraction to a decimal
Tuesday, August 25, 2015 by Tamara

math
Two dice are rolled. Find the probability that the score on the dice is 5.
Tuesday, August 25, 2015 by jacqueline

Math
The sum of the length, width, and height of a box is 80 cm. The length is 10 cm less than twice the sum of the width and the height, and twice the width exceeds the height by 6 cm. Find the height of the box.
Tuesday, August 25, 2015 by Anonymous

MATH
HENRY, ANDY AND JOE SHARED SOME SWEETS IN THE RATIO 15:12:9 RESPECTIVELY. HENRY HAD 6 MORE SWEETS THAN ANDY. IF ANDY GAVE 9 SWEETS TO JOE, HOW MANY SWEETS WOULD JOE HAVE?
Tuesday, August 25, 2015 by FLOR

BHEKISISA
ENGLISH.ISIZULU.LIFE SCIENCE. LIFE ORIENTATION.MATH LITERACY.HISTORY ND GEOGRAPHY. am doing grade 11 so has am doing this subject iwant to know which career i must task when i pass my matric plz help me
Monday, August 24, 2015 by NOBUHLE PORTIA MSANI

math
34-5^2 / 5 * 2^2
Monday, August 24, 2015 by rachel

Math
Latishastarted her history class with two scores on tests, 72% and 89% confirmed that the mean of these two scores is 80.5% show your work
Monday, August 24, 2015 by Feliks

Math
The length of a rectangle is twice its width. The perimeter of the rectangle is 126 feet. (Write the equation) i've already tried to divide 126 by two which gave me 63 but i didnt know what to do with the 63.
Monday, August 24, 2015 by Gabriela

math
A dozen of daisies cost $1.96. How much does a half dozen cost?
Monday, August 24, 2015 by iyanna

Math
explain how you know that in ? x 6.273 = 6.273. THe ? will be 1.
Monday, August 24, 2015 by Anonymous

math analysis
((x+3)/(x-5))+(5/(x-3)) Simplify I've done this twice and got it wrong both times I have two more problems similar to this and don't want to continue until I understand how to do it.
Monday, August 24, 2015 by Hunter

Math
Nancy collects plastic banks. He has three different banks a pig a cow and a horse. How many ways can Yancey arrange his banks on a shelf?
Monday, August 24, 2015 by Anonymous

Math
Fred got a score of 84 on the test. Write a division sentence using negative number where the quotient represents the number of questions Fred answered incorrectly.
Monday, August 24, 2015 by Siri

math
6,300 and 530 The value of 3 in is times The value of 3 in
Monday, August 24, 2015 by vinny

math
A bag of candy contains 24 oz. If you want to give 18 people equal servings how many ounces should you give each person? 18/24 =3/4
Monday, August 24, 2015 by karen

Math
Eight students. 3/4 of a cake. How much cake will each student get if cake is split evenly?
Monday, August 24, 2015 by Chelly

Math
John invested his savings in two investment funds. The amount he invested in Fund A was $8000 less than the amount he invested in Fund B. Fund A returned a 4% profit and Fund B returned a 8% profit. How much did he invest in Fund B, if the total profit from the two funds ...
Monday, August 24, 2015 by Mariah

math
Ben, Ray, and Lee ran laps around the school track. Ben ran 2 times as many laps as Ray. Lee ran 3 laps, which is one-half of the number of laps that Ray ran. How many laps did Ben run?
Monday, August 24, 2015 by johnathan duro

Math accelerated
A decorative floor pattern has 1red square tile surrounded by 12 blue tiles.write and evaluate an expression to show how many total red and blue tiles are needed if there are 15 red tiles. Then make a table showing the total number of tiles if there are 15,20,25, or 30 red tiles
Monday, August 24, 2015 by Jeontae

math
i am a number less than 40.one of my factors is 3 the sum of my digits is 12 what number am i
Monday, August 24, 2015 by abigail

Math
Kendall knows that a 45 ounce pitcher can hold enough lemonade for 6 people at this rate how many ounces of lemonade will Kendall need to serve 26 people.
Monday, August 24, 2015 by Sam

math
a sum of money invested at a simple interest rate R increases to 5/3 times the original sum after 5 years. The value for R is?
Monday, August 24, 2015 by Jay

math
What is the solution to 40 +-11? I think it is 51
Monday, August 24, 2015 by Lost

math
-2 + y = 11 solve for y would y be 13?
Monday, August 24, 2015 by brooke

Math
the sum of 6 and 4 times a number (n) equals 90
Monday, August 24, 2015 by Lily

Math
in a game of simplified football a touchdown results in 7 points and a field goal results in 3 point. what is the largest score for a team not possible?
Monday, August 24, 2015 by Keerra

Math
The sum of two integers is -129. If one of them is 150,find the other
Monday, August 24, 2015 by Noor

Math
What is the value of -27-8? I think it is -19
Monday, August 24, 2015 by Lost

Math
If sinA=0.5 , what is the value of cos2A and sin2A?
Monday, August 24, 2015 by Partha banerjee

Math
Your associate's degree requires 63 credits. You have already completed four 3-credit courses and three 4-credit courses. (a) What fraction of the required credits have you completed? (b) What fraction of required credits remain before you can graduate? Can someone please ...
Monday, August 24, 2015 by Kati

Math
F(x) = x^2 +1 , x cannot equal 2 F(x)= 3 , x=2 What is the limit of f(x) as it approaches 2?
Sunday, August 23, 2015 by Anonymous

Math/Logic Puzzle
Can someone please help me? Charlotte and Amy are picking strawberries. If Charlotte picks 6 dozen dozen strawberries, and Amy picks a half-dozen dozen strawberries, which hedgehog will pick the larger crop of strawberries? How many did they pick? Thank you.
Sunday, August 23, 2015 by Rachel

Math
I need help for the rule for input 1/output 3, input 3/output 17, input 10/output 66, and input 6/output 38
Sunday, August 23, 2015 by Amy

Math
what is the probability of winning assuming that the order is unimportant when I must choose 4 numbers from the numbers 1 through 17
Sunday, August 23, 2015 by bonnie

math analysis
(1/a)+(2/a^2)=0 Solved for zero I'm unsure about the process to solve this, when I do it like my teacher says, it doesn't work. This is for an online advanced math class in which you get three tries to solve the problem. I have already used two. Any help would be ...
Sunday, August 23, 2015 by Hunter

math
Please, help me to solve this problems by Cramer's rule Question number : 1. 5/x + 3/y = 19 2/x + 1/y = 7 Question number : 2. log x + 2 log y = 4 2 log x - 3 log y = 1 The Answer for number 1 : D = -1 Dx = -2 Dy = -3 The answer for number 2 : D = -5 Dx = -14 Dy = -3 ...
Sunday, August 23, 2015 by Iman

Math
If a population grows at 8% per year, how long will it take the population to double?
Sunday, August 23, 2015 by Anonymous

Math
If the current population is 7,361,920,000 and grows at approximately 1.14% per year, what will the human population be this time next year?
Sunday, August 23, 2015 by Anonymous

Math
If the current population is 7,361,920,000 and grows at approximately 1.14% per year, what will the human population be this time next year?
Sunday, August 23, 2015 by Anonymous

math
Mr. Steve, thank you very much to answer my question on Sunday, 23 August at 1:44 pm. But please, show me how to get : Number 1 : 1. D = -1 Dx = -2 Dy = -3 Number 2 : 2. D = -5 Dx = -14 Dy = -3 Because the steps to know that is important for me. Please...
Sunday, August 23, 2015 by Iman

math
how do you turn a $13.75 into an improper fraction
Sunday, August 23, 2015 by sarah

Math
If a city of 10,000 experiences 60 births, 35 deaths, 40 immigrants and 25 emigrants in a single year, what is the city's population growth rate?
Sunday, August 23, 2015 by Anonymous

Math
123 of the 300 students earned an A, what percent did not earn an A?
Sunday, August 23, 2015 by Ish

math
a mother wants to invest 5000 for her sons future education. She invests a portion of the money in a bank certificate of deposit which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is $300.00,how much money was invested...
Sunday, August 23, 2015 by naomi

math
Please, help me to solve this problems by Cramer rule Question number : 1. 5/x + 3/y = 19 2/x + 1/y = 7 Question number : 2. log x + 2 log y = 4 2 log x - 3 log y = 1 so confuse..
Sunday, August 23, 2015 by Iman

math
can you show me a tessellation of circles and triangles
Sunday, August 23, 2015 by tape

Math
Decompose 28*6 to make it easier below. Paula had a block of cream cheese that was 2 inches wide, 5 1/2 long and 1 1/2 inches tall. Paula used 1/2 of the cream cheese in her recipe. How many cubic inches of cream cheese did she use?
Sunday, August 23, 2015 by LIZ

math 540
12) Betty Malloy, owner of the Eagle Tavern in Pittsburgh, is preparing for Super Bowl Sunday, and she must determine how much beer to stock. Betty stocks three brands of beer—Yodel, Shotz, and Rainwater. The cost per gallon (to the tavern owner) of each brand is as ...
Sunday, August 23, 2015 by arla

MATH
What are the odds in favor of randomly drawing the letter C from the letters in the word CANADIAN?The odds are from ____ to _____
Sunday, August 23, 2015 by Bella

Math
A box contains 8 white balls, 7 black and 4 red. How many red balls must be added to the box so that the probability is 3/4? How many black balls need to be added so that it is 1/4? Thanks I have a mental block with this.
Sunday, August 23, 2015 by Bella

nyonithwele
math: 38 learners at a high school,24play hockey,30play netball and 4play neither hockey nor netball.use venn diagram
Sunday, August 23, 2015 by brian

Math
Write an equation for the hyperbola. Vertices at ( -5,2) and (-1,2), passing through the point (-6,4) Could you be so nice and help me please:) I have still wrong answer and I have no idea where I'm doing mistake. My work: Horizontal transverse )( Center (-3,2) a= 2 (-6)^2...
Sunday, August 23, 2015 by Lucas

Math
A Picture is surrounded by a frame 10 5/8 inches and 6 1/2 inches. what is the area of the entire picture including the frame
Saturday, August 22, 2015 by Nancy

Math
Find x √2x/9.81= √(300+h)^2+60^2/150 Thankyou!
Saturday, August 22, 2015 by Anonymous

Math
Yvonne had 25 stamps. She used 20 of them. Which represents the portion of the stamps she used. 0.4. 4/5 60% or 15/20
Saturday, August 22, 2015 by Ledian Gonzalez

Math
A picture frame has a height of 10cm and width 8 cm. If you take 2 1/2 from the height from both sides and 2 cm from one side, what is the area? 24 cm sqrt
Saturday, August 22, 2015 by kareen

Math
A treasure box contained 3 bags of mint and 4 bags of chocolate. What is the probability of a student grabbing a bag of mint without looking? 3/7
Saturday, August 22, 2015 by kareen

Math
Six people used a spa for 20-40 min. for an average of 48 minutes.How many would be able to use it for 50 minutes if one person used it for 50 min is the answer 8
Saturday, August 22, 2015 by kareen

Math I am lost!
Tom travelled to the train station at 60 mph and arrived 1 minute earlier. He then travelled back home at 30 mph and arrived 1 minute late. How long was the trip. D= 60 * T - 1 + 30*T+1 60T+30T -1+1 90 t
Saturday, August 22, 2015 by kareen

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