Sunday
September 25, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
What is the solution to r/-3=12?
Wednesday, September 21, 2016 by Valerie

8th grade math-exponents
I can't quite write the problem, so I'll try to explain it as best I can. In exponents and in fractions... (X/2) to the 3rd power times (X/2) to the 4th power...all over,or divided by, (X/2 to the 3rd power) to the 2nd power. The book says the answer is X/2 to the 5th ...
Wednesday, September 21, 2016 by Logan

Math
What is the solution to 5q=-75? Please Help
Wednesday, September 21, 2016 by Valerie

math
1. Which of the following numbers is a rational? A. 4/5 B. square root of 27 C. 4.02002000200002... D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational D. terminating decimal 3. Select all the rational ...
Wednesday, September 21, 2016 by bob

math answer check
10. Knowing that you use 245 KWH 7am – 7pm and 165 KWH 7pm – 7am, answer the follow questions using the chart below. Constant Usage $0.05324/ KWH Daytimer (Most usage between 7am­7pm) · As long as most power used is 7am – 7pm, then you receive a 20% ...
Wednesday, September 21, 2016 by Anonymous

Math - check answer
Frogs have been breeding like flies at the Enormous State University (ESU) campus! Each year, the pledge class of the Epsilon Delta fraternity is instructed to tag all the frogs residing on the ESU campus. Two years ago (t = 0) they managed to tag all 58,000 of them (with ...
Wednesday, September 21, 2016 by Amanda

Math
Need help with adding subtracting decimals. In this unit, you learned about fractions that can be written as terminating decimals and fractions that can be written as nonterminating decimals. Create an addition word problem and a subtraction word problem using fractions. Show...
Wednesday, September 21, 2016 by Math plz help asap!

Math
A farmer has 100.00 and he has to buy 100 budgies blue ones cost 10.00 green ones cost 3.00 and yellow cost .50 he has to buy at least 2 yellow and he can only spend axactly 100.00. This is a fifth grade math problem. I am a grandma trying to help my 10 year old grandson. I ...
Wednesday, September 21, 2016 by SandyReitan

Math
Need help with adding subtracting decimals. In this unit, you learned about fractions that can be written as terminating decimals and fractions that can be written as nonterminating decimals. Create an addition word problem and a subtraction word problem using fractions. Show ...
Wednesday, September 21, 2016 by Math plz help asap!

Math
John painted 1/2 of a pole white and 3/8 of it green. What is the fraction he painted?
Wednesday, September 21, 2016 by Kevin

Math
Two figures are similar with a similarity ratio of 4 and one side of the figure is 3 cm long. Find the lenght of the side of the similar figure. I don't really know if I have to try to do it like an equation or if there's a formula for this. Sorry if anything's ...
Wednesday, September 21, 2016 by Marta

8th grade math-exponents
I can't quite write the problem, so I'll try to explain it as best I can. In exponents and in fractions... (X/2) to the 3rd power times (X/2) to the 4th power...all over,or divided by, (X/2 to the 3rd power) to the 2nd power. The book says the answer is X/2 to the 5th ...
Wednesday, September 21, 2016 by Logan

Math
Solve (degrees): 3sin^2(x)-11sin(x)-4=0 It's just a quadratic but doesnt wprk?
Wednesday, September 21, 2016 by R

Math
If 2016 people are on the circle, then who is the winner? And how can 2016 be related to the numbers such as 4,16, 24, and ect. If it doesn't multiply by the power of 2? Please help! I know that the numbers are multiplied by the power of 2 and 2016 can't but will the ...
Wednesday, September 21, 2016 by Anonymous

Math
I'm a parent and I my son had a test and this problem was wrong so I'm here trying to figure it out (3/4)3 can you help me please thank you
Wednesday, September 21, 2016 by Lurina

Math
Simplify: ((4/x)^(n-m))×((2x^2)^m) I don't even know where to start
Wednesday, September 21, 2016 by A

Math
It's a riddle question. All six digits in the number even remember that zero is an even number one digit is use once and all the other digits is used twice is four times the hundreds digit 10 digit is the difference of the ones digit in the hundred digit is the same digit ...
Wednesday, September 21, 2016 by Maria

math
A nut company produces two types of mixtures, regular and deluxe. The company is donating bags of mixtures for school picnic. A bag of regular mix has 4 oz of peanuts, 1 oz of cashew, and 3 oz of almonds. A bag of deluxe mix has 3 oz of peanut, 1 oz of cashew, and 5 oz of ...
Wednesday, September 21, 2016 by rolly

Math
A football coach divides 42 players and 12 coaches into groups. Each group will have the same number of players and coaches. What is the greatest number of groups that can be formed. Answer: 6 groups
Wednesday, September 21, 2016 by Matt-Please Help

Math
Find the area of parallelogram if side AB = 10 cm,BC=15 cm,Diagonal =20 cm.
Wednesday, September 21, 2016 by Rajeev

Math
An aeroplane flies at an average speed of 950km/hr from town P(lat.40degreeS, long.29.5degreeW) due east to town Q and then due south to town R. If the distance from Q to R along their common longitude is 4,500km and the whole journey took 11 hours, calculate longitude of Q ...
Wednesday, September 21, 2016 by Anonymous

Math
A length of a metal bar has a cross sectional square of 12cm. If the length is 2m, what is the volume of the metal bar in cm3?
Wednesday, September 21, 2016 by Lillie

math
At the Natural History museum Paula saw 5 times as many beetles as spiders. She saw 6 more spiders than caterpillars. If Paula saw 50 insects and spiders, how many of each kind did she see?
Wednesday, September 21, 2016 by Anonymous

Math
A store has apples on sale for $3.00 for 2 pounds. How many pounds of apples can you buy for $9.00? If an apple is approximately 5 ounces, how many apples can you buy for $9.00? Explain your reasoning. I am very confused on the above. Please help me understand.
Wednesday, September 21, 2016 by Matt-Please Help

Math for Ms. Sue
I'm Claire's grandma; a retired teacher of science and supplemental in math. I am stumped on her question about pizza tonight. I'm working via phone with her. Would you mind taking a look at it. I know the answer, but not sure how to explain the results. Please and...
Wednesday, September 21, 2016 by Claire

Math
Write each rate as a unit rate. 180 passengers in 16 buses 180/16=11.25/1 11.25 passengers per bus Could you please double check my answer to see if I have it right.
Wednesday, September 21, 2016 by Matt-Please Help

Math HELP HELP
(a+4b,a-b) and (a-3b,a) find the length of the line segment joining this pair of points.
Wednesday, September 21, 2016 by Maria

Math
A geometry class has a pizza party. there are 14 students that have a pizza. Each pizza has 8 slices. The teacher wants to buy the least number of pizzas so that they are the same number of slices for each student. (I know the answers, but I don't know how to show the work...
Wednesday, September 21, 2016 by Claire

Math
Write each rate as a unit rate. 4 championships in 16 years I don't understand how you would write the above as a unit rate. Please explain.
Wednesday, September 21, 2016 by Matt-Please Help

Math
(a+4b,a-b) and (a-3b,a) find the length of the line segment joining this pair of points.
Tuesday, September 20, 2016 by Maria

Math
Earl runs 75 meters in 30 seconds. How many meters does Earl run per second? 75 meters/30 seconds= 30 seconds/75 meters= 6 seconds/15 meters= 2 seconds/5 meters He runs 5 meters in 2 seconds. Can you tell me if I got the correct answer or if I did something wrong?
Tuesday, September 20, 2016 by Matt-Please Help

Math
A store has apples on sale for $3.00 for 2 pounds. How many pounds of apples can you buy for $9.00? If an apple is approximately 5 ounces, how many apples can you buy for $9.00? Explain your reasoning? My answer to the first question is 6 pounds of apples for $9.00. I am stuck...
Tuesday, September 20, 2016 by Matt-Please Help

Math
There is a deck of 12 cards numbered 1 through 12. One card is drawn at random from the deck, look at it and then put it back in the deck. A total of two cards are drawn in this way. Define the following events: • A : get an even numbered card and an odd numbered card ...
Tuesday, September 20, 2016 by Jackson

Math
A tree grows vertically on a slope which has an incline of 27 degrees. When the sun is at an elevation of 78 degrees, the tree casts a shadow of 48 feet directly down the slope.
Tuesday, September 20, 2016 by Meghan

Math
Use the order of operations to find the value of the expression. 6 x 5 + 3 x 8 Please help.
Tuesday, September 20, 2016 by Jamie

math
The combined length of 5 boards, each 10 ft longer than the width of the doorway?
Tuesday, September 20, 2016 by vin

Math
Dirk is 90% free throw shooter.So if he shoots the ball 30 times,how many times will he make the basket?
Tuesday, September 20, 2016 by Tiana

math
Forty-eight years ago, Jessica was 53 of Michael’s age (forty-eight years ago). Now Jessica is 97 of Michael’s age (now). How old is Michael now?
Tuesday, September 20, 2016 by Nila

math
input 2 outputequals ?
Tuesday, September 20, 2016 by carrie

math
What inequality those this graph show: file:///C:/Users/751017272/Desktop/y%20i​lt%202x%20plus%202.png (Copy and paste it) Can you show me how you get your answer also? so i can write it in my notes.
Tuesday, September 20, 2016 by PleaseHelp(Again)

math
the park department planted oak and maple trees in a 5 to 7 ratio. they planted 360 trees. how many maples did they plant?
Tuesday, September 20, 2016 by khalilur

Math
robby runs for 5 minutes. He walks for 10 minutes. He runs for 7 minutes. He walks another 4 minutes. He runs again for 8 minutes and walks again for 3 minutes. what is the range of minutes robby runs?
Tuesday, September 20, 2016 by Marcus

Math
The SI unit of measure for length-the meter-would be most appropriate when a. Measuring the wingspan of an insect b. measuring the height of a building. c. measuring the length of an ant. measuring the distance between two cities
Tuesday, September 20, 2016 by Mike

math
What inequality those this graph show: file:///C:/Users/751017272/Desktop/y%20i​lt%202x%20plus%202.png (Copy and paste it) Can you show me how you get your answer also?
Tuesday, September 20, 2016 by PleaseHelp

Math
If one honeybee make 1/12 teaspoon of honey during its lifetime, how many honey bees are needed to make 1/2 teaspoon of honey? My answer would be 6 Can you tell me if I am right or wrong and if I am wrong how would I go about figuring this out?
Tuesday, September 20, 2016 by Matt-Please Help

Math
an artist is using tiles and boards for a project a tile has length 1/3 ft and width 1/3 ft. a board has length 1/6 yd and width 1/6 yd. what is the ratio of the length of the tile to the length of the board? what is the ratio of the area of the title to the area of the board
Tuesday, September 20, 2016 by Madysen

Math
You have a Spanish club meeting every fourth day and a math club meeting every tenth day. When is the first time they will meet on the same day? My Answer: 4 + 10=14 they would meet on the 14th day Would that be the correct answer? I am confused.
Tuesday, September 20, 2016 by Matt-Please Help

math
un n>1 es abundante si las sumas de sus divisiones propios es major que m. calcule el entero abundante mas pequeno.
Tuesday, September 20, 2016 by lalisa

math
en un salon existe el mismo numero de varones y ninas. si se retiran ocho ninas el numero de varones es doble en que de las ninas. Cuantos niños eran originalmente?
Tuesday, September 20, 2016 by lalisa

Math
Chan Hee bought 3.4 pounds of coffee that cost $6.95 per pound. How much did he spend on coffee? My answer: $6.95/3.4=2.044 Is my answer correct or how would I do this
Tuesday, September 20, 2016 by Matt-Please Help

math
a lighthouse is 30m high. the angle of elevation from a ship to the top of the tower is 17 degrees. what is the horizontal distance from the ship to the lighthouse?
Tuesday, September 20, 2016 by Sally

Math
How can you tell whether an equation has One solution,Many Solution , No solution?
Tuesday, September 20, 2016 by Gabby

Math
A student sits in the school bus traveling to her school. If the student stands up and moves at 1.5m/s toward the rear of the bus that travels at 10m/s to the east,what is her velocity relative to the observer on the side of the road? If she moves at 2.1 m/s toward the front ...
Tuesday, September 20, 2016 by Physics

math
33 divided by the sum of a number and 7
Tuesday, September 20, 2016 by gg

math
it is 5 digit even number, the digit 3 is in the hundreds place. The value of the digit 4 is 40.the digit 6 stands for 6 ones. The digit in the ten thousands place is twice the digit in the ten place. the value of the digit in the thousands place is 30 time the value of the ...
Tuesday, September 20, 2016 by tom

Math
Yesterday'/ high temperature was -8 degree Fahrenheit. Today's high temperature is -3 Fahrenheit. A: Write a numerical expresssion you can use to find the change in temerature from yesterday to today B: Evaluate your expression and explain what it means Help me ASAP!!
Tuesday, September 20, 2016 by Verna

Math
Rearranging formula v-u/a=t
Tuesday, September 20, 2016 by Meg

Math
Explain how you can used a grid to subtract 1.65-0.98
Tuesday, September 20, 2016 by Brad

Math 6th grade
Tony owns a personal training business. He makes a total of $500 for every 3 clients he acquires. If Tony is saving to purchase 2,2000 in new equipment , how many clients will he need?
Tuesday, September 20, 2016 by Kay

Math
Ryan cut a 5.25 inch piece of string into pieces that are each .75 inches long. How many pieces did Ryan cut?
Tuesday, September 20, 2016 by I love cats

Math
The family room in your house is 6 1/2 yards long and 5 3/4 yards wide. What is the area of your family room? My answer: 6 1/2 x 5 3/4= 13/2 x 23/4=299/8 299/8=37.5 37.5 what? I am not sure how to entirely answer the question. Can you tell me if I did this correctly. Thank you
Tuesday, September 20, 2016 by Matt-Please Help

Math
A football coach divides 42 players and 12 coaches into groups. Each group will have the same number of players and coaches. What is the greatest number of groups that can be formed? a. 12 groups b. 6 groups c. 2 groups d. 4 groups My answer is 6 groups because I found out ...
Tuesday, September 20, 2016 by Matt-Please Help

Math
URGENT Candice and Dino operate computer repair services. For a service call, candice charges 40 and dino charges 50, in addition, they each charge an hourly rate. Candice for 35/hr and Dino for 30/hr . One day their charges of two service calls were the same, what did they ...
Tuesday, September 20, 2016 by Danielle

Math
Rearranging formula. s=(u+v/2)t Solve for u
Tuesday, September 20, 2016 by Meg

math
1. Select all the values of x that will make the following inequality true. 2(3x − 6) ≥ 5x − 10 Chat x = -5 x = 1 x = 0 x = 2 x = 13 x = 7 Please help I've been stuck on this problem for a long time at least just give me 1 example so i can plug it in with...
Tuesday, September 20, 2016 by correction

7th grade math
a photograph is 4.5 in. wide and 6 in. long. A yearbook editor has the photo reduced to fit a spade 1.7 in. wide. how long is the reduced photograph?
Tuesday, September 20, 2016 by Nae

Math
Find two numbers whose product is 20 and whose quotient is 5
Tuesday, September 20, 2016 by Laurie

Math
he cycles 100 meters how many turns did his wheel make
Tuesday, September 20, 2016 by Lukes

Math
A student sits in the school bus traveling to her school. If the student stands up and moves at 1.5m/s toward the rear of the bus that travels at 10m/s to the east,what is her velocity relative to the observer on the side of the road? If she moves at 2.1 m/s toward the front ...
Tuesday, September 20, 2016 by Physics

Math
A town in east Texas received 10 inches of rain in two 2 weeks if it kept raining at this rate for a 31 day month, how much rain did the town receive? I am confused on how to figure out the answer for this. Can you please help me.
Tuesday, September 20, 2016 by Matt-Please Help

Math
Grass can grow up to six inches in a week depending upon temperature, humidity, and time of year. At this rate, how tall will the grass grow in 24 days? My answer: 7 days x 6 inches=48 inches in 24 days Can you please double check my answer or let me know if I did something ...
Tuesday, September 20, 2016 by Matt-Please Help

Math
If 3/8 of a cup of milk makes 6 muffins , how many muffins does 1 cup of milk make
Tuesday, September 20, 2016 by Dan

math
1. Select all the values of x that will make the following inequality true. 2(3x − 6) ≥ 5x − 10 x = -5 x = 1 x = 0 x = 2 x = 13 x = 7
Tuesday, September 20, 2016 by correction

Math
A swimmer wants to swim at a speed of 3 m/s north across a river flowing at 0.8m/s,east. What is the actual direction and quantity of the swimmer's motion? ((I have no idea where to even start))
Tuesday, September 20, 2016 by Physics

Math
Tim is a first grader and reads 28 words per minute. Assuming he maintains the same rate, using the double number line to find out how many words he can read in 5 minutes. Words 0 28 --- --- ---- ---- Minutes 0 1 5 This is basically completing I assume a ratio table. So my ...
Tuesday, September 20, 2016 by Matt-Please Help

math solve the problem using the four step plan
At the end of their 3-day vacation, the Palmers traveled a total of 530 miles. On the third day,they drove 75 miles. On the second day,they drove 330 miles. How many miles did they drive the first day? I can only solve this by adding the second, and third days, and subtracting...
Tuesday, September 20, 2016 by Nathan

math
2(3x−6)>=5(0)−10 Select all the values of x that will make the following inequality true. x = -5 x = 1 x = 0 x = 2 x = 13 x = 7 I keep getting this wrong what are the true ones
Tuesday, September 20, 2016 by plshelp

Math
fifty seven million three hundred seventy-three thousand two hundred eighty-four ten thousandths
Tuesday, September 20, 2016 by Donavin

Math
Use place value to solve Pablo has a piece of wire that is 0.08 meters long Beth has a piece of wire that is 10 times as long as problems wired leaves wire is one-tenth as long as problems how long is Beth wire how long is li's wire
Tuesday, September 20, 2016 by Jamirah

math
Karen withdrew $30 from her savings account each month for 6 months. Write a number sentence to show the total amount she withdrew.
Tuesday, September 20, 2016 by Caitlyn

Math
Mary has 2/5 of a mile to walk harry needs to go 3/4 times as far as mary???
Tuesday, September 20, 2016 by Kylie

Math Question
So, what I have to do is make a 4 by 4 square and put the numbers 1-12 in them but each side has to equal 25. I had tried this many times but one side is always wrong!
Tuesday, September 20, 2016 by Alyanna

Math
A rectangle is 5 units wide how many square units does the rectangle cover if it is 10 11 12 or 13 units long
Tuesday, September 20, 2016 by Tito

math
the value of the digit 3 in 3,200 is how many times as large as the value of the digit 3 in 4,300
Tuesday, September 20, 2016 by emma

Math
The scale on a map is 2 in = 7 miles. The distance from your cousins' house to your house is 20.5 miles. How far apart would your houses be on a map.
Tuesday, September 20, 2016 by Anonymous

Math
The angle measures of a triangle are: 2x+5 degrees, 6x-5 degrees, and 7x degrees. What is the value of x?
Tuesday, September 20, 2016 by Amy

Math
The temperature of a chemical compound was 1°C at 3​:00 A.M. During a​ reaction, it dropped 3°C per minute until 3​:13 A.M. What was the temperature at 3:13 ​A.M.?
Tuesday, September 20, 2016 by lmao

Math
What is 200 times 1 over 10
Tuesday, September 20, 2016 by Kimora

Math
3. The population of Columbus, Ohio, in 2014 was about 823,000. The population of the United States was about 319 million in 2014. (a) Write each population in scientific notation. (b) About how many times larger was the population of the United States than the population of ...
Tuesday, September 20, 2016 by Charles

Math
tell of 100 trays of 100 cookies is greater than, less than, or equal to 1,000?
Tuesday, September 20, 2016 by Sonia

math
a rectangular prism has a volume of 36 cubic units . write two different possible sets of dimensions for the prism
Tuesday, September 20, 2016 by janet

math
to which subsets of real numbers does the number -22 belong? choose all that apply a) whole numbers b) rational numbers c) integers d) irrational numbers e) natural numbers
Tuesday, September 20, 2016 by art

Math
Let A = {2,{4,5},4}. Which of the following statements are incorrect and why? Give an explanation for your answer to each part. i. 5 ∈ A? ii. {5} ∈ A? iii. 5 ⊂ A?
Tuesday, September 20, 2016 by NR

Math
11^2 = ? Would it be 121?
Tuesday, September 20, 2016 by BatMen

Math
frank is batting an average of .310. write this decimal as a fraction in simplest form
Tuesday, September 20, 2016 by HELP!

Math
3.) A garden is 6 2/3 feet long and 2 2/3 feet wide. Juan is putting a brick border around the garden. Each brick is 2/3 ft long. How many bricks does Juan need?
Tuesday, September 20, 2016 by Meighan

Math
a car starting from rest accelerates uniformly at 5.4m/s^2. how much time does it take for the car to go 145m
Tuesday, September 20, 2016 by John walk

Math
3/4 of 1/3
Tuesday, September 20, 2016 by Ferdi

math (algebera)
x+y(-2y+7x)2m+4n =?
Tuesday, September 20, 2016 by Abdul-Rafe Mughal

Math
What are the greastest and smallest 7 digit number you can mske with 3,8,0,5,2?
Tuesday, September 20, 2016 by Soham

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