# Homework Help: Math

## Branches of Math

## Recent Math Questions

**math**

1) Carmen borrowed $1,200 for three months at 10.5% interest. How much interest did she pay for the loan? 2)Zack deposited $1,200 in a savings account that paid 7.75% simple interest. What was the balance in his account at the beginning of the third year? 3)Dan and Dawn ...

*Tuesday, January 31, 2017 by kama*

**MATH @Damon @ms. Sue**

Can Someone check my Work Belinda wants to invest $1000. The table below shows the value of her investment under two different options for three different years: Number of years 1 2 3 Option 1 (amount in dollars) 1100 1210 1331 Option 2 (amount in dollars) 1100 1200 1300 Part ...

*Tuesday, January 31, 2017 by sarah*

**Math**

Carolina has 10 marbles. One half of them are blue. How many of Carolina's marbles are blue?

*Tuesday, January 31, 2017 by Yesica*

**math**

The solution of the inequality ax- 2 < -4 is x < -1. What is the value of a?

*Tuesday, January 31, 2017 by skyler*

**math**

A boat traveled downstream a distance of 9090 mi and then came right back. If the speed of the current was 88 mph and the total trip took 66 hourscomma nbsp, find the average speed of the boat relative to the water.

*Tuesday, January 31, 2017 by taylor*

**math**

Describe the points on the earth’s surface that are visible to a viewer who is 100 miles above the North Pole. Would it be half of the surface area of Earth?

*Tuesday, January 31, 2017 by Helen*

**math**

Three softball teams ordered equipment from the same catalog. The first team spent $285 on 5 shirts, 4 caps, and 8 bats. The second team spent $210 on 12 shirts and 6 caps. The third team spent $250 for 7 shirts, 10 caps, and 3 bats. What were the catalog prices for shirts, ...

*Monday, January 30, 2017 by Sophia*

**Math**

x = 2 when y = 12 in the proportion x/6 = k/y. Find x when y = 8.

*Monday, January 30, 2017 by Anonymous*

**math**

barry gave 1/8 of his stamps to Tom, if he gave 15 stamps to Tom , how many did he had at first?

*Monday, January 30, 2017 by avary*

**Math**

Another way to name 1/4

*Monday, January 30, 2017 by Dwayne*

**math**

An ant is on top of a tree 23 meters tall, directly above her home, which is 0.3 meters below the ground. What is an expression that represents the difference in elevation between the ant and her home?

*Monday, January 30, 2017 by Anonymous*

**Math**

It takes 3/8 cup of powered drink mix to make 1 quart of a flavored drink. How many quarts of flavored drink can Juanita make with 3 cups of Cherry, 7/8 cups of grape and 2 1/4 cups of orange?

*Monday, January 30, 2017 by Jeanecia*

**Math**

Julie withdraws $175.00 from her bank account. This amount is 25% of her total savings. How much did she have in her account originally? I think that I multiply 175.00 by 4 which is 700.

*Monday, January 30, 2017 by Brady*

**Math**

A salad dressing is 40% peanut oil. Greg wants to make 5 cups of dressing. How much peanut oil does he need?

*Monday, January 30, 2017 by Brady*

**Math**

If the distance between 2 cities on the map is 2.5 inches and they are 125 miles apart what is the scale of the map

*Monday, January 30, 2017 by Wendy Smerkar*

**math**

1. P(7) (1 point) 1/7 1/8 3/8*** 7/8 2. P(not 7) (1 point) 1/7*** 1/8 5/8 7/8 3. P(a multiple of 2) (1 point) 0.25*** 0.5 0.625 0.75 4. P(a factor of 12) (1 point) 12.5% 25% 50% 62.5%*** 5. Which event has the greatest likelihood? (1 point) spinning 7 spinning not 7 spinning a...

*Monday, January 30, 2017 by please hepl*

**math**

how do u identify a line segement? its not like im trying to get straight answers or anything i just wanna know

*Monday, January 30, 2017 by dipper pines!!!*

**Math**

which pair of ratios does NOT form a proportion? A.(3/5 24/40) B.30/10 15/3 C.9/14 3/4 D.7/12 14/24 Ms. Sue is this right?

*Monday, January 30, 2017 by Help I need somebody not just anybody*

**Math**

Select all the pairs of ratios that form a proportion. 1. 1/6,4/20 2. (7/9,28/36) 3. (14/18,21/27) 4. 30/80, 6/18 Ms. Sue are these right?

*Monday, January 30, 2017 by Help I need somebody not just anybody*

**math**

Shaul made a password that consists of one letter followed by two digits. The two digits are different. How many posible passwords did Shaul choose from?

*Monday, January 30, 2017 by Keerat*

**Math**

Mrs. Young's tennis court is a rectangular that is 30 feet wide by 70 belong what is the perimeter

*Monday, January 30, 2017 by Aliza*

**math**

John has $20 to spend at a used bookstore. He wants to buy twice as many science fiction books as mystery books. Mystery books sell for $1.25. Science fiction books sell for $1.75. Tax is included in the prices. What is the greatest number of science fiction books that John ...

*Monday, January 30, 2017 by edgard*

**Math**

Dad bought an octagonal gazebo package. Does he cut the cedar planks first on the floor at 60 and 120 degree angles for this octagon shape?

*Monday, January 30, 2017 by Mike*

**Math**

Jenn made 12 field goals. These were 3/4 of her field goal attempts. Write and solve an equation to determine her number of field goal attempts.

*Monday, January 30, 2017 by Anonymous*

**Math Pz help**

A flat-screen TV cost $1,40.00. The TV is on sale for 35% off. What is the discounted price of the TV?

*Monday, January 30, 2017 by Luna*

**math**

The length by the width of Roxie's photo is 24 cm long and 14 cm wide. In order to make a photo that will fit into a wallet, the photo needs to be reduced to a length of 7 cm. Determine the width of the wallet size photo.

*Monday, January 30, 2017 by charles*

**Math**

How many 1pound bags of trial mix should mary buy to have enough trial mix without leftovers. What do i do

*Monday, January 30, 2017 by Julian*

**Math**

How many 1pound bags of trial mix should mary buy to have enough trial mix without leftovers

*Monday, January 30, 2017 by Julian*

**math**

An art teacher wants to do a project for her 12 seventh graders. Each student will need 2 feet of yarn. If the total is $18, write an equation to determine the cost of yarn, c, per foot. So what am i supposed to do here? i am so lost. i don't know where all the #'s go. Someone...

*Monday, January 30, 2017 by person*

**Math**

Analyzing Solution Sets to Linear Equations with the Variable on Both Sides- Infinitely many solutions 5x-2x+7-x=__x__ answers 1-9

*Monday, January 30, 2017 by Madeline*

**Math**

Bill weighs 150 lbs. He wants to gain 2 lbs per week for football season. Jamal runs track. He wants to lose weight so he can run faster. Jamal weighs 195 lbs and wants to lose 1 lb per week. How many weeks will it take before both of them are the same weight? A.15*** B.45 C....

*Monday, January 30, 2017 by Madeline*

**Math**

Dan's business makes $75,000 a year. He spends 6% of that on advertising. How kuch does he spend on advertising? Here's what I did: .06 • x = $75,000 Sorry, I'm kind of stuck around here, I don't really know if "$75,000" should be either part or total. But anyways, thank you!

*Monday, January 30, 2017 by Hatsune Miku*

**Math**

Brittany has a gift box in the shape of a cube. Inside of the box measures 15 cm. What is the volume of the gift box.?

*Monday, January 30, 2017 by Alana*

**MATH**

Jack enlarged a picture proportionally .. His original picture is 4cm wide and 6cm long. If the new , larger picture is 10cm wide, what is its length?

*Monday, January 30, 2017 by sai tej*

**Math**

The global competition for the World Cup is broken up into six continental zones. The number of teams in the Scottish team’s zone is 17 less than twice the number of teams in the Puerto Rican team’s zone. There is a total of 88 teams in both zones. How many teams are in ...

*Monday, January 30, 2017 by Katia*

**math**

A store has a total of 1,957 CD's. The number of hip-hop CD's is 256 fewer than the number of pop CD's. There are three times as many hip-hop CD's as country CD's. a. draw bar models to represent the amount of each of the three types of CD's. b. write the expression you used ...

*Monday, January 30, 2017 by CARINA*

**math**

John earn scores of 82%, 74%, and 78% on three mid-term tests in his Math course. To earn a B, his overall course mark needs to be at least 80% and less than 90%. The overall course mark is 1 3 (mid-term average) plus 2 3 of the final examination. In what range of values can ...

*Monday, January 30, 2017 by kate*

**Math**

Order the number sets too least to greatest. 11/20 , 1/2 , 0.51 A) 0.51, 11/20, 1/2 B) 1/2, 11/20, 0.51**** C) 1/2, 0.51, 11/20 D) 0.51, 1/2 , 11/20

*Monday, January 30, 2017 by Urgent!*

**Math**

The mass of a 10p coin is 6.5g.What is the mass in kilograms of £20 in 10ps?

*Monday, January 30, 2017 by Ruby*

**math**

it takes 3 hours for ten pumps to pump 40000l of water ino a dam. how long will it take nine pumps to pump 60000l of water into a dam

*Monday, January 30, 2017 by pop*

**math**

toby buys a new mp3 player for a price of 45.50 what is the total amount of his credit card is charged if the sales tax is 7%

*Monday, January 30, 2017 by val*

**Math**

5 more than x

*Monday, January 30, 2017 by Brian Samuel*

**MATH**

What number is 73% of 215? (1 point) 215 = 0.73n n = 0.73 × 215 0.73 = n × 215 215 = 73n 2. What percent of 94 is 23? (1 point) n/94 = 23/100 23/94 = n/100 94/n = 23/100 23/94 = 100/n 3. 80 is 40% of what number? (1 point) 200 32 20 112 4. Find the commission on a $1,250 ...

*Monday, January 30, 2017 by AsHlYbUg295*

**Math**

Four years ago did was 14yrs old. Her brother was thrice her age. What will be their total age in n years.

*Monday, January 30, 2017 by Netra*

**math**

solve: 3x+2y-4+6=4x-2y+7-1

*Monday, January 30, 2017 by i dont know the answer*

**MATH HELP QUICK PLEASE!!!!**

A tree is 3,212 years old. How can you express this age in scientific notation with the lowest level of precision? 3•10^3*** 3.2•10^3 3.21•10^3 3.212•10^3

*Monday, January 30, 2017 by Jinxx*

**Math**

Find the smallest integer value of N such that f(x)=O(x^N). a) f(x) = x^7 - 150x^6 + 3x^3 + 111 b) f(x) = (x^3 + 2x^2) / (x^4 + x^2 + 1) c) f(x) = ⌈x⌉ d) f(x) = ⌊x⌋

*Monday, January 30, 2017 by Winston*

**math help Please?**

1. A savings account is started with an initial deposit of $500. The account earns 1.5% interest compounded annually. (a) Write an equation to represent the amount of money in the account as a function of time in years. (b) Find the amount of time it takes for the account ...

*Monday, January 30, 2017 by sea*

**Math**

What is the area between z=0 and z=2.95

*Monday, January 30, 2017 by Marco*

**Math**

9-8x7+6:3=...?

*Monday, January 30, 2017 by Mina*

**Math**

The area of a rectangular park is 4800 Sq me if the ratio of the length and breadth is 3:4,find its length and breadth

*Monday, January 30, 2017 by Naveen*

**math**

what number has 6 tens and 5 ones

*Monday, January 30, 2017 by Mahmoud*

**math**

What number has 3 digitals on the hundred square

*Monday, January 30, 2017 by Mahmoud*

**math**

what number has 6 tens and 5 ones

*Monday, January 30, 2017 by Mahmoud*

**Math**

What is 0.7 x 10 = x 10 = 0.07 x 10 = x 10 = 0.23 x 10 = 0.023 x 10 = 0.004 x 10 = 0.404 x 10 =

*Monday, January 30, 2017 by Rei*

**math**

An arc of a circle measures 30° if the radius of the circle is 5 cm what is the length of the arc

*Monday, January 30, 2017 by jesse*

**math**

im a lil confused on this question it ask what number is 73% of 215 am i supposed to multiply 73% and 100 or am is supposed to multiply 215 and 100 then divide? or what just a lil confused

*Monday, January 30, 2017 by worthless*

**Math, Data Management**

A President and Vice- President for a school council are chosen from a hat with the names of all 12 members in the hat. Determine the probability that Nisha and Anne are chosen as President and Vice- President respectively. Answer Provided: 1/132.

*Monday, January 30, 2017 by Jordan*

**Math**

If yuo find four different numbers totaling 54 so that if you ad 2 one of the numbers lf you take 2 from another num if multiply third num by 2 and devide the fourth num by 2 the ans is always be tha same

*Monday, January 30, 2017 by Anonymous*

**math**

A triangle has a 13-inch side, a 14-inch side, and a 15-inch side. To the nearest tenth of an inch, how long is the median drawn to the 14-inch side?

*Monday, January 30, 2017 by anonymous*

**Math**

Six groups of students sell 162balloons at the school carnival there are three students in each group if student sells the same number of balloons how many balloons does each to student sell

*Sunday, January 29, 2017 by Chloe*

**Math**

The sum of 23 and Hans height is 54

*Sunday, January 29, 2017 by Anonymous*

**math**

Jesse bought 10 more pencils than erasers. A pencil costs $0.15, and an eraser costs $0.22. He paid a total of $4.46. How many erasers did Jesse buy? ~I got some help and ended up here 22x+14(x+10)=446 I just don't know how to solve the rest of the problem do I just factor it ...

*Sunday, January 29, 2017 by Edgard*

**Math**

fred is more than 3 years more than twice the age of jane. the sum of their ages is 48. how old is each?

*Sunday, January 29, 2017 by James*

**Math**

At what point of the curve y= x^4 is the normal line parallel to 2x + y = 3? Find the equation of the normal line.

*Sunday, January 29, 2017 by Laura*

**Math-Geometry**

I am having a difficulty with solving proofs, such as triangle proofs for my homework, is there any tips and tricks to be able to solve them?

*Sunday, January 29, 2017 by Ray*

**math**

JOhn hs 2 apples, Many has 9 apples, how many apples are in total?

*Sunday, January 29, 2017 by Anonymous*

**Math**

Comparison of bottles 1/3 and 2/6

*Sunday, January 29, 2017 by Chloe*

**Math**

Find the smallest integer value of N such that f(x)=O(x^N). a) f(x) = x^7 - 150x^6 + 3x^3 + 111 b) f(x) = (x^3 + 2x^2) / (x^4 + x^2 + 1) c) f(x) = ⌈x⌉ d) f(x) = ⌊x⌋

*Sunday, January 29, 2017 by Winston*

**Algebra**

Can you please help me with this math problem: 5 6 2 9 12 3 (4X Y Z) X (5X Y Z) The numbers at the top are exponents.thank you

*Sunday, January 29, 2017 by Lucille*

**math**

So a moped travels at 40km/h for part of a trip and 10km/h for the remainder. If it takes 5.75 hours to travels 185km, how far did it travel at each speed?

*Sunday, January 29, 2017 by Cookie*

**Math**

I am stuck on the question Jeremy collected nickels for one week he is making stacks of his nickels to determine how many he has the thickness of one nickel is 1/6 inch what is the combined height of 3 nickels 2 nickels and 1 nickel help me I don't get it!!!!:(((((:(((

*Sunday, January 29, 2017 by Mirissa*

**math**

An ice cream van sells 3 different ice-cream flavours with 4 different toppings. How many different choices can be made using only one of the ice-cream flavours and only one of the toppings?

*Sunday, January 29, 2017 by veekas*

**math**

One leg of a right triangle is one less than twice the other. The area of the triangle is 18 square feet. What is the length of the 3rd side of the triangle? Solve by factoring. A= 1/2 (b)(h) 18= 1/2 (x)(2x-1)

*Sunday, January 29, 2017 by Maddie*

**math**

the aquarium's height is 11 inches, width is 8 inches, and length is 20 inches, he wants to replace the water. how much water does the aquarium hold?

*Sunday, January 29, 2017 by Dorcas*

**Math**

what is 2x+2=4?

*Sunday, January 29, 2017 by Anonymous*

**math**

Jacky is cutting 4 yards of fabric into 7 pieces of equal length. Which expression represents the fraction of a yard each piece will be? 7-4 4-7 7/4 4/7

*Sunday, January 29, 2017 by helpme*

**math**

I need help here log2^(3) + log4^(7)

*Sunday, January 29, 2017 by anonymous*

**Math**

one track coach wants his athletes to race 8 miles around a track to measure how fast each person can run if the track is 2/3 of a mile around. How many laps around the track will the athletes have to run to complete the race?

*Sunday, January 29, 2017 by Anonymous*

**Math**

Seth has three more than twice as many baseball cards as Aaron. Together they have 33 baseball cards. How many cards does Seth have? Answer: I dont understand please help

*Sunday, January 29, 2017 by Edgard*

**Math**

cos(x)/(1-tan(x)) + (sin (x))* cos(x))/ sin (x)-cos(x))

*Sunday, January 29, 2017 by Mary*

**math**

On a test you answered six 5-point questions and eight 2-point questions. You earned 92% of the possible points. How many points is the test worth?

*Sunday, January 29, 2017 by Jazmin*

**Math**

Simplify the follow)ing to the simplest form (tan(x) +cot(x))/ (tan(x)*cot(x))

*Sunday, January 29, 2017 by Sandra*

**Math**

(1+tan(x))* (1+cot(-x))

*Sunday, January 29, 2017 by Sandra*

**Math**

Solve the Identity cot (x)/ (csc(x)-1)= (csc(x)+1)/cot (x)

*Sunday, January 29, 2017 by Sandra*

**Math**

It costs 3$ for an adult and 2$ for a student to attend a car show. 250$ was collected when 90 people attended how many were adults and how many were students

*Sunday, January 29, 2017 by Sophya*

**Discrete math**

(a) Use the Euclidean Algorithm to nd gcd (2017; 271) and use this to nd integers x and y so that gcd(2017; 271) = 2017x + 271y. (b) Is it true that for all integers a and b, if not both a and b are zeros then not both 5a+3band3a+2barezeros,andgcd(5a+3b;3a+2b)=gcd(a;b...

*Sunday, January 29, 2017 by Mariaaaaaaa*

**math**

1. a number is subtract from 20 the result is 10 what is the number 2.i multiply a number by 10 and where 12 is remove the result is 18 what is the number 7

*Sunday, January 29, 2017 by ukasha aminu musa*

**Math**

Mary bought a length of ribbon. She used 2/5 of it to wrap a package and 1/5 of it for a bow. If she used 60 in. of the ribbon, what was the length of the ribbon she bought?

*Sunday, January 29, 2017 by Saba*

**Math**

The difference of two consecutive numbers is 15 the greater number is X then find the smallest

*Sunday, January 29, 2017 by Kivi*

**Math**

Garage charges one time rate of $8 plus $1.50 per half hour. What function represents total cost C(x), for parking for x hours

*Sunday, January 29, 2017 by Anonymous*

**Math urgent homework**

A book is advertised at $500 with an inclusive 5% GST. What is the original price of the book?

*Sunday, January 29, 2017 by Anonymous*

**math**

evaluate without using L'Hopital theorem the following limit lim x-->0 [(sin(x)-x)/(x-tan(x))] the answer is 0.5 but I want to know the steps to calculate such a problem

*Sunday, January 29, 2017 by Al-Madhagi*

**math**

evaluate without using L'Hopital theorem the following limit lim x-->0 [(sin(x)-x)/(x-tan(x))] the answer is 0.5 but I want to know the steps to calculate such a problem

*Sunday, January 29, 2017 by Al-Madhagi*

**Math**

From 1980 to 1990 the population of London increased by 6%. From 1990 to 2000, the population of the city decrease by 3%. What was the overall percentage change in the population of London from 1980 to 2000?

*Sunday, January 29, 2017 by Samiya*

**Math**

A plane flies from city x to city y against the wind in 8 hours and flies back from city y to city x with the wind in 5 hours. If the speed of the wind is 650 mph, find the wind speed in mph?

*Sunday, January 29, 2017 by Samiya*

**Math**

The third term of an A.P is 20, the fourteenth term is 64. Find the first term, the common difference and the nth term

*Sunday, January 29, 2017 by Angeles*

**math**

The sum of ages of Sam ang thomas is 27 years. Seven years ago, Toma's was three years more than one fourth as old as Sam. Find their present ages

*Sunday, January 29, 2017 by Anonymous*

**math**

use the method of substitution to solve the following pairs of simultaneous equation. 2m+n=0,m+2n=3

*Sunday, January 29, 2017 by joel*

**Math**

Four subtracted from 3 times a number is 29. Find the number

*Sunday, January 29, 2017 by Sophie*