Wednesday
May 25, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
What are the prime factors of 42 and 56? Which prime factors do 42 and 56 have in common?
Wednesday, April 6, 2016 by Nina

Math
Her has $1500 in a retirement account earning 5% interest compounded annually. Each year after the first, she makes and additional deposits of $1500. After 5 years , what was her account balance if she did not make any withdrawals?
Wednesday, April 6, 2016 by Lauren

Math
Karl and his dad are building a playhouse, the floor is a rectangle that is 6 feet by 8 1/2 feet How much carpeting do they need for the floor? P= 6 plus 8.5 *2= 29.0 A= L*W= 6*8.5=51
Wednesday, April 6, 2016 by Andrea

Math
For what values of x is it true that x^2 - 5x - 4 < 10? Express your answer in interval notation. Thank you!
Wednesday, April 6, 2016 by Candice

Math
The perimeter of a rectangle is 24 inches. What is the number of square inches in the maximum possible area for this rectangle?
Wednesday, April 6, 2016 by Candice

Math
The operation @ is defined as m/n@p/q = (m)(p)(q/n). What is the simplified value of 7/69@23/24$?
Wednesday, April 6, 2016 by Candice

Math
Range invested $1000 for college in an account earning 5% simple interest. When she withdrew the investment , she had earned a total of $550 in interest. How long was the money invested. How long was the money invested? I did 1000(.05) (t) - whatever she withdrew She earned a ...
Wednesday, April 6, 2016 by Lauren

Math
For the nonzero numbers a, b, and c, define J(a,b,c) = a/b + b/c + c/a. Find J(2,12, 9).
Wednesday, April 6, 2016 by Candice

math
At a bagel shop, 2 coffees and 4 bagels cost $6.00. Two coffees and 7 bagels cost $8.25. What is the unit price of one coffee and the unit price of one bagel? my answer: 1 bagel= $0.75 1 coffee= $1.00 Find the 5,550th term in the sequence 4 1/2, 5, 5 1/2, 6, 6 1/2? my answer: ...
Wednesday, April 6, 2016 by PLEASE HELP CHECK MY ANSWER THANK YOU VERY MUCH!

Math
Suppose a function f(x) is defined on the domain [-8,4]. If we define a new function g(x) by g(x) = f(-2x), then what is the domain of g(x)? Express your answer in interval notation.
Wednesday, April 6, 2016 by Candice

Math
Let A(t) = 3- 2t^2 + 4^t. Find A(2) - A(1).
Wednesday, April 6, 2016 by Candice

math
An automotive insurance company has 25,000 policyholders. The accident rate is 0.07. The number of accidents the company will have to pay out for is If the payout for each claim (after deductibles) is $8,000, the company’s total payouts will amount to $ If the company ...
Wednesday, April 6, 2016 by Cassie

Math
The ratio of boys to girls in a math class is 5 to 3. When 3 girls and 1 boy join the class, the ratio becomes 4:3. What is the least possible number of students in the class after the new students join?
Wednesday, April 6, 2016 by Anonymous

math
what is the value of -3/4-(3/-8) (the 3/4 fraction only has the - on the 3, not the entire fraction) a -1 1/8 B -3/8 C3/8 D 1 1/8 What I did is first find a common denominator making the equation -6/8-(3/-8)= -9/16 this is not one of the choices Can you please help. Thank you
Wednesday, April 6, 2016 by sara

Math
Each of my digits is add. They add up to 12. I have 4 digits. What am I?
Wednesday, April 6, 2016 by Branndon

Math 5th grade
How can I use bar diagrams to divide unit fractions by whole numbers
Wednesday, April 6, 2016 by catsr2cute

Math
Mary has rehearsed her ballet solo for five and a half hours. A week from now she wants to have rehearsed at least a total of nineteen and a half hours. If she rehearses for the same amount of time each day for the next 7 days, at least how many hours must she rehearse per day?
Wednesday, April 6, 2016 by Kory

math
The factors of 3 are 1 and 3 and the factors of 5 are 1 and 5. Decide which of the following is the least common multiple of 3 and 5 and a correct description of what the value represents.
Wednesday, April 6, 2016 by Nina

math
Jamie practiced the piano every four days. He had a piano lesson every nine days. When will Jamie practice and have a lesson on the same day?
Wednesday, April 6, 2016 by Nina

math
Find the 5,550th term in the sequence 4 1/2, 5, 5 1/2, 6, 6 1/2
Wednesday, April 6, 2016 by Veronica

math
In a science experiment, the temperature of a substance is changed from 42 degrees Fahrenheit to -54 degrees Fahrenheit at an average rate of -12 degrees per hour. Over how many hours does the change take place?
Wednesday, April 6, 2016 by Anonymous

math
At a bagel shop, 2 coffees and 4 bagels cost $6.00. Two coffees and 7 bagels cost $8.25. What is the unit price of one coffee and the unit price of one bagel?
Wednesday, April 6, 2016 by Anonymous

math
a 4 -inc picture cube has pictures only on the front,back,and sides.what is the surface area of the cube that is covered by pictures?
Wednesday, April 6, 2016 by lakshmi

math
a small mountain near tectonic plate line andes has been growing consistently in height each year. the first measured height was recorded i 1997. 1997; 997.7300 2000;997.7606 2005;997.7810 determine the regression equation for the data
Wednesday, April 6, 2016 by sumit

math
a soccer-ball was kicked off the top of the building and its height was monitored.regression equation is h= -4t^2+24.5t+146. what is the height of the building?
Wednesday, April 6, 2016 by sumit

Math
type of cookies|adults|children chocolate chip | 5 | 10 peanut butter | 8 | 6 oatmeal | 7 | 4 16. Based on the two way frequency table how many people chose chocolate chip cookies A. 20 B. 15 C. 14 D. 11 17. What percentage of the adults chose peanut butter? A. 60% B. 40% C. ...
Wednesday, April 6, 2016 by bunny64

math
Abbi has 4 hats . yan has 7 times as many how many does yan have
Wednesday, April 6, 2016 by hahhh

Math
Ty is reading a book that is 456 pages. In the last 11 days, he has read 264 pages. If Ty continues to read at the same rate, write an equation that represents the relationship between the number of pages, p, Ty reads over time, t.
Wednesday, April 6, 2016 by Steve

Math
The wheel of a unicycle has a radius of 14 inches. What is the approximate circumference of the wheel.
Wednesday, April 6, 2016 by Latoya

Math
A circular sign has a radius of 4.5 inches. What is the area of the sign to the nearest hundredth of a square inch?
Wednesday, April 6, 2016 by Anonymous

Math
42is the diameter of a circle. Find the circumference of the circle to the nearest foot.
Wednesday, April 6, 2016 by Latoya

Math/Stats
The average monthly attendance to the senior citizen bowling league is 67 with a stdev of 6.5. What is the probability that a randomly selected day will see between 72 and 78 visitors?
Wednesday, April 6, 2016 by Max

Math
How many apples are in a 5-lb bag of apples, assuming each apples weighs 9 oz? 5x (16 oz/ 1 ) x 9 = 8.8
Wednesday, April 6, 2016 by Gigi

Math
How many apples are in a 5-lb bag of apples, assuming each apples weighs 9 oz?
Wednesday, April 6, 2016 by Gigi

Math
Three Bases and home plate make a diamond that is 90 feet on each side. What is the perimeter of the diamond?
Wednesday, April 6, 2016 by Ben

percent discount (math)
During a sale, Nancy found chalkboards on sale for $57 that had previously cost $75. What percentage is the discount?
Wednesday, April 6, 2016 by Anonymous

math
perry mixed 4 2/3 ounces of red paint and 3 1/3 ounces of yellow paint to make the right shade of orange paint. He needs 40 ounces of orange paint to paint the rest of the desk. How many ounces of red and yellow paint should Perry use to make enough orange paint to cover the ...
Wednesday, April 6, 2016 by mira

Bus. Math Need Help
I don't even understand this question...can someone please point me in the right direction: Use the following information to answer the question: Cost of car: $26,000 Residual value: $6,000 Life: 5 years
Wednesday, April 6, 2016 by Layla

Math
Carter bought a pair of jeans for $49.99 and a shirt for $23.59. He received $6.42 in change. How much did Carter have originally? Should I round or subtract? Please help me!
Wednesday, April 6, 2016 by Dora_the_nerd

plz help on math
the radius of a circular hat is 3.7 inches find the circumference
Wednesday, April 6, 2016 by mrsoreo

math
If the bike wheel is rolled along the ground 10 inches, through what angle does the wheel rotate?
Wednesday, April 6, 2016 by hannah

Math
1. Find the horizontal change and the vertical change for the translation P(4,-4) (-4,7) A. Right 8; up 11 B. Left 8; down 11 C. Right 8; down 11•• D. Left 8; up 11 2. The point c(x,y) is reflected over the x-axis. Use arrow notations to describe the original point ...
Wednesday, April 6, 2016 by Zachary

Math
The point (3,-1) is translated to the left 4 units and up 1 unit.write a rule to describe the translation.what are the coordinates of the image point? A) (x,y)->(x+4,y+1);(7,-2) B) (x,y)->(x-4,y-1);(-1,0) C) (x,y)->(x+4,y-1);(7,0) D) (x,y)->(x-4,y+1);(-1,0) •...
Wednesday, April 6, 2016 by Zachary

math
1. the function rule c=10n+26 relates the number of people n who attend a small concert to cost in dollars of c of the concert. Make a table of the imput/output pairs to show the cost if 27,39, and 43 people attend. 2. explain how to write a function rule from the table below...
Wednesday, April 6, 2016 by Quzzy modo

Math
Similar polygons are _____ the same size. always sometimes** never I'm having a brain fart. ahh! please help!
Wednesday, April 6, 2016 by Sally

Math
A cookie recipe calls for 1/4 cup of brown sugar for one batch of 24 cookies. How many cups of brown sugar would be needed to bake 144 cookies?
Wednesday, April 6, 2016 by Anonymous

math
Natasha stands 5.5 feet tall and has a shadow that measures 3 feet long. At the same time, a tree next to Natasha has a shadow that measures 12 feet long. How tall is the tree?
Wednesday, April 6, 2016 by lashay

Math
The diameter of a circle is 15 in. Which measure below cannot be a chord on the same circle.
Wednesday, April 6, 2016 by Latoya

Math
Find the circumference of the circle (2.5 cm). Round your answer to the nearest centimeter.
Wednesday, April 6, 2016 by Latoya

Math
Find the circumference of a circle. Which is 42 ft, to the nearest foot.
Wednesday, April 6, 2016 by Latoya

math
Four streets enter a traffic circle at points A, B, C, and D. Name six arcs formed by the streets and the traffic circle. I only know four, and I think they are: "Arc" AB, "Arc" BC, "Arc" CD, "Arc" DA...
Wednesday, April 6, 2016 by fennelly

math
A man waklks 6km in 1 hour how much distance will he walk 7 half
Wednesday, April 6, 2016 by anota

Math(Check answers)
1. (3x + 4)(x – 2) A)3x^2 – 2x – 8 B)x – 8 C)3x – 2x – 8 *** D)3x^2 + 2x + 8 2. (2y – 1)(4y – 3) (1 point) A)–2y + 3 B)8y^2 – 10y – 3 *** C)8y^2 – 10y + 3 D)8y^2 – 2y + 3 Am I correct?
Wednesday, April 6, 2016 by Rock on!

math
find the area of rhombus if each side measures 5 cm and the shorter diagonal is 6 cm.
Wednesday, April 6, 2016 by leslie

math,science,tourism,geography
First option i want to be a social worker.sec option to be a police.last option is be a tourism management. Where do i go to further my study and what are the reguirement for this courses?
Wednesday, April 6, 2016 by nancy

math
If you were given the area of a figure and told that all the dimensions of the figure would be cut in half, how could you find the area of the new similar figure?
Wednesday, April 6, 2016 by tonie

math
a student budgets $25 for his cellphone each month. he pays $10 for the service and $0.05 per minute.he knows that his budget can be off by $5 in either direction. What is the maximum and minimum number of minutes? Write an absolute value equation representing this situation. ...
Wednesday, April 6, 2016 by Munna

Math
4) Jack is buying gift bags for his daughter’s 5th birthday party. His budget is between $20 and $30. He has a choice of $2, $3 and $4 bags. If he buys $4 bags he will have $3 remaining, if he buys $3 bags he will have $2 remaining, and if he buys $2 bags he will have $1 ...
Wednesday, April 6, 2016 by Jyoti

Math
I have the digits 1,3 and 9. I am greater than 300. I have 3 ones. What number am I?
Wednesday, April 6, 2016 by Misi

Math
A hardware store keeps 3/4 of each merchandise on the shelves and the rest in the back. On-tenth of the value of the store's merchandise is lumber. Of the remainder, 2/3 is tools and 1/3 consumables.If the tools are worth $6,000 how much is the lumber in the back room ...
Wednesday, April 6, 2016 by Maud

Math
A bag contains 5 red marbles, 3 green, 1 lavender, 3 yellow, 2 Orange. Q. How many sets of four marbles include none of the red ones? First I computed C(14,4) to find out how many sets of 4 could be formed. Total # sets =1001. Then I subtracted the number of sets with 1, 2, 3...
Wednesday, April 6, 2016 by Gilberto

math
I need help making this question into a equation? A cable television company charges $15 plus $5 each for extra services and now write an equation to show how much a person would pay for television if they had x number of extra services?
Tuesday, April 5, 2016 by charles

Math
Gina has 4 red ribbons, 6 times as many blue ribbons as green ribbons, and 1/4 as many green ribbons as red ribbons. How many ribbons does she have in all?
Tuesday, April 5, 2016 by Robert

Math
A company will make a cereal box with whole number dimensions and a volume of 100 cubic centimeters. If cardboard costs $0.05 per 100 square centimeters, what is the least cost to make 100 boxes? (Please help me!!)
Tuesday, April 5, 2016 by Helen

Math 5th
Write a statement for 6+ n=2
Tuesday, April 5, 2016 by Ls

math quick question for a grade recovery portfolio
102400 as a fraction
Tuesday, April 5, 2016 by raNdOmPErsOn

Math
There are 92 band students. For a concert, the stage is divided into four sections. 24 students sit on the left, 36 sit in the middle, 28 sit on the right, and 4 stand behind the others. What fraction of the band sits in the middle?
Tuesday, April 5, 2016 by Kate

Math
Bill's baseball bag weighs 4 pounds . If he takes out 2 pairs of cleats that weigh 6 ounces each . How much will his bag weigh? Please show the work
Tuesday, April 5, 2016 by Ls

Math
Each sheet of glass they use to make the windows is 9 feet long and 6 1/2 feet wide. How many sheets will they need in order to make the windows?
Tuesday, April 5, 2016 by I don't know how to solve this

Math
A isosceles triangle has two angels that measure 75. What is the measure of the third angle of the triangle? A)30 B)40 C)75 D)90***
Tuesday, April 5, 2016 by I need help

Math
There are 28 students in math class. 22 of them passed the test. What percentage passed the test.
Tuesday, April 5, 2016 by Jo Leon.

Math
Using only sides that are whole numbers, name the dimensions of three rectangles that have perimeters of 14 units.
Tuesday, April 5, 2016 by Lucy

grade 8 math
elena spent a week at a customer's factory in a different city. she used her debit card 19 times. for 4 of the 19 purchase, she was charged a service fee of $0.50 each. she also withdrew money from an ATM 3 times. she was charged a transaction fee of $3.50 each time. how ...
Tuesday, April 5, 2016 by Jake

Grade 11 Math Trig Ratio
Solve cos315*cos(-390)-sin225*sin750 cos315: <RA = 360-315 = 45 cos45 = 1/√2 cos-390: <RA=-390+360 =30 cos30= √3/2 sin225: <RA = 225-180 = 45 Sin45=1/√2 Sin750: <RA = 750 - 2(360) =30 Sin30=1/2 Put it all together... (1/√2)(√3/2)-(1/&#...
Tuesday, April 5, 2016 by AmbiguousCase

Math
what is the value of the x in the triangle? A) 48 B) 71 (this is my guess) C)76 D)142
Tuesday, April 5, 2016 by trololololololololol

Math
Jenny bought scrapbook supplies for $70.75. She paid $5.66 in sales tax. What was the sales tax rate on the supplies? If necessary, round your answer to the nearest tenth.
Tuesday, April 5, 2016 by Lily

math
253divded by 5 estimate
Tuesday, April 5, 2016 by ralyn

math
What is 791 diveded by 38 estimate
Tuesday, April 5, 2016 by ralyn

Math
Thank You Mrs.Sue that makes sense.
Tuesday, April 5, 2016 by Kim

math
A student spends 37.5% of his money on food 28.75%on rent and 15% on books. what percentage what percentage of her money is left to spend on other things
Tuesday, April 5, 2016 by Nita

Math
Two and four hundred eight ten-thousandths
Tuesday, April 5, 2016 by Ally

math
the volume of a cone is 154cm^3 .if it's radius is 7cm . calculate the height of the cone
Tuesday, April 5, 2016 by Nita

math
A store keeper is paid 10% commission on all goods sold . what commission will he receive if he sells goods worth 150,500.00 ?
Tuesday, April 5, 2016 by Nita

math
dande and mani are 12 nd 10 years old respectively .9152.00 naira is shared between them in the ratio of their ages .how much doe dande get
Tuesday, April 5, 2016 by Nita

math
one of the interior angles of a regular polygon is 144degrees find the number of sides of the polygon
Tuesday, April 5, 2016 by Nita

math
What is the value of each exterior angle of a regular polygon
Tuesday, April 5, 2016 by Nita

math
A regular polygon has the sum of the interior angles as 3240degrees . find the number of sides the polygon has.
Tuesday, April 5, 2016 by Nita

Precal/Math
How do i find the equation in the form: y=a(sqrt b(x-h))+k From the points (-5,3) (-4,-1) (-1,-5)
Tuesday, April 5, 2016 by Bobbie

Math
A candle burn for up to 4 hours. Which amount of time is equal to 4 hours?
Tuesday, April 5, 2016 by Kim

Math
Which hand has covered more distance from the 12 on a clock, the minute hand at 4:00 or the second hand at 15 seconds past? Write a fraction inequality to support your answer.
Tuesday, April 5, 2016 by Emily

6th grade math
1.A triangle has three vertexes. Point A is (0,0) point B is (4,10) and point C is (8,0). What are the lengths of each side? 2. What is halfway between -2 and 1?
Tuesday, April 5, 2016 by Caitlyn

Math
is a trapezoid a parallelogram explain why or why not
Tuesday, April 5, 2016 by Mimi

Math
A company will make a cereal box with whole number dimensions and a volume of 100 cubic centimeters. If cardboard costs $0.05 per 100 square centimeters, what is the least cost to make 100 boxes? Please help me, I have no clue how to solve.
Tuesday, April 5, 2016 by Helen

math
my mystery number has 3 tens and 15 ones. What number am i thinking of
Tuesday, April 5, 2016 by patty

Math help please
Prove this identity using the product-to-sum identity for sine: sin^2 x=1-cos(2x)/2
Tuesday, April 5, 2016 by Kyle

5th grade math
Two pails of different sizes contain 34.5 liters of water altogether. When 0.68 liter of water is poured from the bigger pail into the smaller pail, the amount of water in the bigger pail is 9 times that in the smaller pail. How much water was there in each pail at first?
Tuesday, April 5, 2016 by Bella

math
a cone has a height of 6.if the volume of the cone is 24xpi, what is the radius of the cone?
Tuesday, April 5, 2016 by jalen

math
One serving of punch is 250 millimeters. Willten servings fit in a 2 liter bowl? Explain.
Tuesday, April 5, 2016 by tj

5th grade math
kate drank 42.5 gals of milk in jan and feb. if she drank 5.3 gal more in feb. how much did she drink in feb?
Tuesday, April 5, 2016 by Bella

Math
All 231 students in the math club went on a field trip some students Road in bands which hold seven students each and some students Road and buses which hold 25 through and see how many of each type of vehicle did they use if there were 15 Vehicles total
Tuesday, April 5, 2016 by Abby

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