Sunday
December 11, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
The cost  c (in dollars) for the fuel and maintenance of a go-cart is given by c=10x+1200 c=10x+1200 , where x is the number of rides. It costs $40 per ride. How many rides does it take to break even?
Tuesday, November 15, 2016 by Nicki

Math Statistics
N= 80 p = 0.7 x = 62? A) Exact: 0.0335; Approximate: 0.0334 B) Exact: 0.0343; Approximate 0.0334 C) Exact: 0.0343; Approximate: 0.0350 D) Exact: 0.0343; Approximate: 0.0342 Which one is the correct answer and can you show work please?
Tuesday, November 15, 2016 by Anonymous

Math
a furniture company makes similar chairs for adults and children. The height of the adult chair is 80cm while the height of the childrens chair is 50 cm. what is the ratio of their widths
Tuesday, November 15, 2016 by Anonymous

math
At a zoo the ratio of elephant to hippos is 1:2so for every elephant there are 2 hippos if there were3 elephant at the zoo how many hippos would there be
Tuesday, November 15, 2016 by Favour

math
it takes 3/4 of an hour for an automated sprinkler to cover 2/7 of a lawn. after an hour has passed, what fraction of the lawn has been covered?
Tuesday, November 15, 2016 by pat

Math
Kate uses a copy machine to enlarge her rectangular design that is 6 inches wide and 8 inches long. The new width is 10 inches long. What is the new length. I got some weird number like 13.333. I multiplied 8 times 10 and divided 80 by 6.
Tuesday, November 15, 2016 by Stephanie

Math
Find formula of 11, 31, 91, 271, ...
Tuesday, November 15, 2016 by Wina

Math
equivalent expressions that can be used to find the final price of an item costing g dollars that is on sale for 15% off and charged 7% sales tax.?
Tuesday, November 15, 2016 by Anthony

Math
Next three terms in sequence 1,-3,9,-27,81,....
Tuesday, November 15, 2016 by Hunter

Math
If the sides of a disheveled triangle is 9cm, 9cm and 4cm, find the height on the shortest side.
Tuesday, November 15, 2016 by Dian

Math
Anjalina earns 5% commission on all electronics she sells at electric world .on Monday she sold a television for $1130 and DVD that cost $325 .what was the total she earned in commission
Tuesday, November 15, 2016 by Amy

math
2 cup of flour make 8 biscuits how many cup of flour do he need to make 30 biscuits
Tuesday, November 15, 2016 by layla

Math
A MAN is now 3 times as old as his son. In 10 years time, the sum of their ages will be 76. How old the son.
Tuesday, November 15, 2016 by Kekeh

Math help
Laura family is going on a vacation they will drive 4,180 miles over the next two weeks about how many miles will they drive an average each week ? Plz help
Tuesday, November 15, 2016 by E aka essence Forbes

Math check
2. 184x210 round 200x200 = 40,000 3. 77x412 -) 80x400=32,000
Tuesday, November 15, 2016 by E

Math
When 25 is added to a number and the result is halved, the answer is 3 times the original number. If let the number is X, make an equation to find X.
Tuesday, November 15, 2016 by Alelia

Math
Holly spent one third of her birthday money on new clothes she spent 3/10 of the clothes money on socks what fraction of her birthday money did she spend on socks?
Tuesday, November 15, 2016 by Miyah

Math
Clark's Country Pet Resort is fencing a new play area for dogs. The manager has purchased 186 yd of fence to enclose a rectangular pen. The area of the pen must be 2156 yds^2. What are the dimensions of the? pen? Length is how many yards? Width is how many yards?
Tuesday, November 15, 2016 by Jason

Math Statistics
A random sample of size n is to be drawn from a population with a mean = 500 and sd = 100. What sample size would be necessary to ensure a standard error of 25? Sample sizes are whole numbers.
Tuesday, November 15, 2016 by Anonymous

math
Sally at age 18 invests $3,000 in the bank account. The account rate goes up 5% annually. How much will be in the account, by the time Sally is 25?
Tuesday, November 15, 2016 by Anonymous

math
A spherical helium balloon has a diameter of 30 cm. How much helium is needed to fill the balloon, in cubic centimeters? Round your answer to the nearest centimeter
Tuesday, November 15, 2016 by emerson

MATH: I CANT FUGRE IT OUT!
Use the unit price to find the total price. 8 gallons at $1.94 per gallon PLZ HELP!
Tuesday, November 15, 2016 by Agal

math
#1)Which ratio forms a proportion? Use cross products to test each pair. (A)15/40, 35/90 (B)18/22, 45/55 (C)12/55, 33/121*** (D)17/31, 32/45 #2)Which ratio forms a proportion with 20/30? Use equivalent ratios to test each pair. (A)16/24 (B)10/20*** (c)17/51 (d)15/60 #3)Which ...
Tuesday, November 15, 2016 by helpasap

math
anyone have connexus answers pre algebra
Tuesday, November 15, 2016 by Gaganjyot Bhatti

math
Which proportion has cross products of 5 x 24 and 8 x 15? (a)5/8 = 15/24 (b)5/25 = 8/15 (c)8/24 = 15/5 (d)15/8 = 5/24 I think the answer is A. Am I correct?
Tuesday, November 15, 2016 by helpasap

math
Which ratio forms a proportion with 18/30? (a)20/35 (b)50/90 (c)36/48 (d)60/100 I think the answer is C, am I correct?
Tuesday, November 15, 2016 by helpasap

math
Which ratios form a proportion? (a)4/9, 12/25 (b)3/7, 18/42 (c)5/8, 15/25 (d)5/11,20/45 I think the answer is B. am I correct?
Tuesday, November 15, 2016 by helpasap

math
suppose that $3500 is borrowed for three years at an interest rate of 4% per year. compounded continuously. find the amount owed, assuming no payments are made till the end. Round to the nearest cent.
Tuesday, November 15, 2016 by .

Livingston Elementary school math-3rd Grade
Patrick purchased 12 books. He needed 4 books for each of his projects at school. How many projects did he have?
Tuesday, November 15, 2016 by Markeyvion

math
A group of people were asked if they had run a red light in the last year. 433 responded "yes", and 424 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year.
Tuesday, November 15, 2016 by laura

math
the sides of a square are increased by a scale factor of 6. the perimeter of the smaller square is 10 ft . what is the perimeter of the larger square. a 2.5 ft b 10 ft c 60 ft d 120 ft
Tuesday, November 15, 2016 by please help

math
Patrick purchased 12 books. He needed 4 books for each of his projects at school. How many projects did he have?
Tuesday, November 15, 2016 by Markeyvion

3rd grade math
Girl has 64 oz juice for a party. She has 300 more ounces apple juice than grape juice. How many ounces of each type of juice does girl have? The answe is 170oz grape juice 470 oz Apple juice How do you get that answer? Thank you
Tuesday, November 15, 2016 by Yteria

MATH 123
A wooden artifact from an ancient tomb contains 55% of the carbon-14 that is present in living trees. How long ago was the artifact made? (The half-life of carbon-14 is 5730 years. Round your answer to the nearest whole number.)
Tuesday, November 15, 2016 by NICK SMITH

Math
The field is in a right triangle shape.The hypotenuse of this field is 6 metres and the peerimeter of this field is 14 metres.What is the area of the lawn?
Tuesday, November 15, 2016 by Kaeo

math
John and Bryan share Rs 1500.If John gets twice as much as Bryan,how much money does Bryan have?
Tuesday, November 15, 2016 by Ali

math
Alice is working 2 jobs to save up money for a trip. She works at the ice cream shop for $9 an hour and babysitting for $12 an hour. She needs to earn at least $200 per week and can only work 20 hours per week. Write a system of inequalities to model the number of hours she ...
Tuesday, November 15, 2016 by amy

Math
_ _ x _ _____ _ _ +_ _ ______ _ _ You can only use numbers 1-9 and each can be used once.
Tuesday, November 15, 2016 by Hannah

Math
Mohit put 6 red balls and 7 black balls into a bag. What fraction of the balls are red balls?
Tuesday, November 15, 2016 by Lakshmi

math
Hi, I'm trying to learn factoring but a couple of things don't make sense to me and I'm hoping you could explain them. If I have P(x) = 2(x-3)(x-4), how do I automatically know that the zeros are x = 3 and x =4? If inside the parentheses it was (x+3)(x+4), would ...
Tuesday, November 15, 2016 by Carly

Math
Explain how to do 2/7 + 12/35 ?
Tuesday, November 15, 2016 by Susan

math
debra needs to drive 14 miles to work.So far she has driven 6.7 miles.How many more miles must she drive
Tuesday, November 15, 2016 by shun

math
By using 12 match stic How many rectangle can you make which is the longest one write the measurement
Tuesday, November 15, 2016 by hareesh

Math
Lulu buys a dess for $67 and a hat $35 and shoes for $49 how much did she spend?
Tuesday, November 15, 2016 by Slim

Math
Two chemicals,A and B are combined in the ratio 5:11 by volume to form another solution X. A second solution Y is formed by combining chemicals, A,B and C in the ratio 2:3:15 by volume. Find the volume of chemical A in 400 litres of solution X and chemicals C in 400 litres of ...
Tuesday, November 15, 2016 by Didin

Math grade 6, Fractions
Jenny and Phillip had $360 altogether.After Philip had given Jenny 2/5 of his money, Jenny had the same amount of money as Philip.How much money did Philip have at first?
Tuesday, November 15, 2016 by Peachie

Math grade 6, Fractions
Daniel gave 4/5 of his stickers to perry.Perry's collection of stickers increased to 64.If Perry had 28 stickers at first,how many stickers had Daniel at first?
Tuesday, November 15, 2016 by Peachie

Math
1-(-2)^2*(-1)^3=
Tuesday, November 15, 2016 by Dona

math
The length of a rectangular garden is two less than thrice its width. How long is the garden if the area is 65m²? Please help
Tuesday, November 15, 2016 by Anonymous

Math
Indira predicts that the actual difference of 19 - 7.82 will be greater than the estimate of 19 - 8 = 11. Indira correct ? Explain how Indira might have arrived at that prediction without subtracting the actual numbers.
Tuesday, November 15, 2016 by Bob

math
tan75/2 ka answer hai15-8.3 1/2
Tuesday, November 15, 2016 by yash kumar

Math
Simple interest to the nearest cent for$4,010 at 5.2 Percent for 4 years
Tuesday, November 15, 2016 by Joli Massey

Math
What is the smallest 5 digit even number that can be formed with the digit 091 and 6
Tuesday, November 15, 2016 by Richelle

math
A, b, c can complete a work separately in 24, 36, and 48 days respectively. They started working together but C left after 4 days of start and A left 3 days before the completion of the work. In how many days will the work be completed ?
Tuesday, November 15, 2016 by aneesh

math
Which of the following statements is true about the level of significance alpha?
Tuesday, November 15, 2016 by kim

Math : )
Lily receives 30 messages on her cell phone. Of those messages 1/5 are picture messages and 7/8 of the remainder are text messages. How many text messages does she receive?
Monday, November 14, 2016 by Karen D

Math : )
There are some hats in a box. 1/6 of them are red, 1/3 are blue, and 3/7 of the remainder are green. If there are 27 green hats, how many hats are there all together?
Monday, November 14, 2016 by Karen D

Math!!!
There are some hats in a box.1/6 of them are red, 1/3 are blue, and 3/7 of the remainder are green. If there are 27 green hats, how many hats are there altogether?
Monday, November 14, 2016 by David

Math !!!
Kieth spends 1/6 of his savings on a magazine and 2/5 of the remainder on a book. What fraction of his savings is left?
Monday, November 14, 2016 by David

Math !!!
Tony is given 9/10 hour to mow a lawn. He only uses 2/3 of the given time to mow the lawn. How much time is left?
Monday, November 14, 2016 by David

Math !!!
Tian has 56 paper clips. He gives 3/4 of them to Joe. Joe gives 2/7 of what he receives to Rahul. How many paper clips does Rahul get?
Monday, November 14, 2016 by David

Math
? Solving missing variable ? 3 ? 2x+3 = ? 5x-6
Monday, November 14, 2016 by Emma

Math
2x-7 x-6 ---- - --- = 0 4. 7 Find x?
Monday, November 14, 2016 by Laila

Math
50x to the 4th power/12x
Monday, November 14, 2016 by Destiny

Math
Evaluate the expression. (5+11) X (10-(-3)) 16 X -13= -208
Monday, November 14, 2016 by Hayden

Math
The coffee shop sold 28 liters of hot chocolate. If the same amount is sold each hour for 4 hours, how many liters of hot chocolate did the coffee shop sell each hour?
Monday, November 14, 2016 by Yoobi

Math
What is the value of 2 thousands,18 tens,4 hundreds,and 9 ones?
Monday, November 14, 2016 by Tishica

math
Compare the numbers mc012-1.jpg and mc012-2.jpg. Use the symbols <, >, or =.
Monday, November 14, 2016 by kayley

Math
Liam earns 5% commission on all computer he sells this week he earned $500in commission .how much money did he sells in computers
Monday, November 14, 2016 by Anna

Math
A ten-foot-long board is cut into three pieces. The second piece is half as long as the first. The third piece is 4 feet longer than the second. How long is the first piece? Answer: 2 3/4 feet If f(x)=2x2+1/2x-4, what is f(-1/2)? Answer: -15/4 **I am studying for a test and am...
Monday, November 14, 2016 by Jess

Math
The distance between bills house and his aunt house is 835 miles. About how many miles would he drive if he made. 4 one-wat trips
Monday, November 14, 2016 by Mariah

Math 7 grade
Mae Ernst 15% commission for selling furniture this week sells $ 7500 worth of furniture how much commission does she earn
Monday, November 14, 2016 by Ina

Math
Mr. Robbins spilled stain on part of a tiled floor. The whole section of floor was shaped like a rectangle. There were 45 squares in the section. How many squares were in each row?
Monday, November 14, 2016 by Ming

math
the mass of a moon rock is 3.5 kilograms what is the moon rock in grams
Monday, November 14, 2016 by emily

Math
AA climbing gym charges $10 to climb each day.A pair of climbing shoes costs $84.it costs $169 to buy 6 days of climbing,one pair of climbing shoes,and one harness.how much does a harness cost
Monday, November 14, 2016 by Bob

Math
Draw a number line to show that 2/3 and 4/6 are equivalent..Im having trouble with this..I'm in the 4th grade..I need help
Monday, November 14, 2016 by Dobe

Math-Geometry
Definition of Scalene triangle
Monday, November 14, 2016 by Shaw

Math
Manuel bought 9 pounds of apples. He has eaten three fourths of a pound so far and has? $15 worth of apples left. Write and solve an equation to find the cost of the apples per pound to the nearest dollar. How much did the apples cost per? pound?
Monday, November 14, 2016 by Kyle

Math
Yasmin had 3 bananas. She shared them equally among 4 people. Write an expression that shows how much banana each person got.
Monday, November 14, 2016 by Angelo

Math
IM SCARED 1!1!1!1!1!1!11. Qqnqn
Monday, November 14, 2016 by I feel pain

Math
Jeremy loves right triangles that have side length 1. In fact, he loves to combine them so that the hypotenuse of one becomes the leg of the next. If the longer leg of the first triangle is sqrt 11, what will be the hypotenuse of the 2014th triangle? I don't understand ...
Monday, November 14, 2016 by D

Math checking answers (Calculus Differentials)
The radius of a spherical balloon is measured as 8 inches, with a possible error of 0.02inch. a) Use differentials to approximate the possible propagated error in computing the volume of the sphere. b) Use differentials to approximate the possible propagated error in computing...
Monday, November 14, 2016 by Ray

Math
What do you need to know to name a fraction? How do you name a fraction?
Monday, November 14, 2016 by Daqs

Math
Andy has 5 tools he uses in his carpentry shop. 2 at the tools are hammers. What fraction of the tools are hammers?
Monday, November 14, 2016 by Anonymous

Math
One square wall you want to paint has a perimeter of (12x - 32) feet. Write an expression that represents the side legnht of the wall.
Monday, November 14, 2016 by Kim

Math
A Russian mathematician named Christian Goldbach came up with a theory that every even number greater than 4 can be written as the sum of two primes. Test Goldbach's theory with the numbers 6 and 50
Monday, November 14, 2016 by Abigail jones

English
The High School Step Team Karla’s cousin Jade urged her to join the step team. “This afternoon you should definitely try out!” Jade suggested after the final bell rang. “I know she wants the best for me,” Karla thought to herself, “but I’m ...
Monday, November 14, 2016 by GummyBears16

math
1.-7/9 x 5/3= 2. -2/5 x 1 1/4= 3. 1 3/5 x 3/4 4.-7/8 x -1 3/7 5. 15 3/4 x 4 PLS HELP!!
Monday, November 14, 2016 by Ibrahim

Math
You are randomly selecting one catches on a 52 card deck.find the probability of selecting: a 2 or a 3 I got 2/13 A red 2 or a black 3 I got 1/13 I want to make sure it is correct This is very urgent Thanks
Monday, November 14, 2016 by Tim

English
Read the following sentences from "The High School Step Team." As Karla turned away from Jade and walked down the hall towards the math class, she pictured her cousin shrugging her shoulders. "Okay, do whatever you think is best," Jade said. "I'll ...
Monday, November 14, 2016 by Alice Keign

Math
Harriet needs to ship a small vase. The box she will use has a volume of 216 cubic inches. If the side lengths are all the same, what is the length of each side of the box?
Monday, November 14, 2016 by Lety

Math
when adding /25 and -9 which type of number is the sum? Plz help me
Monday, November 14, 2016 by Valerie

Math Ms. Sue help me
What does it mean to say that a number is a perfect square? Give one example of a number that is a perfect square and one that is not. Can you plz help me?
Monday, November 14, 2016 by Valerie

Math
our credit card has a balance of ?$5800 and an annual interest rate of 18 ?%. You decide to pay off the balance over three years. If there are no further purchases charged to the? card, a. How much must you pay each? month? b. How much total interest will you? pay?
Monday, November 14, 2016 by Tasha

math
if the length of a rectangle is one-third the perimeter of the rectangle,then the width of the rectangle is what fraction of the perimeter?
Monday, November 14, 2016 by Ana

math
5 oranges when removed from a basket containing three more than seven times as many oranges,leave how many oranges in the basket?
Monday, November 14, 2016 by Ana

math
a computer cost $40,000 to purchase.Renting the same computer requires making $5000 , non-refundable deposits and monthly payments of $2500.After how many months will the cost to rent the computer equal the cost to purchase it?
Monday, November 14, 2016 by Ana

math
solve using law of sines or cosines A=?,B=51°,C=?,a=6m,b=?,c=7m
Monday, November 14, 2016 by dee

math
solving using the law of sines or cosines. a=75°,B=?,C=?,a=18cm,b=9cm,c=?
Monday, November 14, 2016 by dee

math
Hi guys, I am really stuck with this problem, maybe somebody could help me out. A rancher has 2100 feet of fencing with which to construct adjacent, equally sized rectangular pens as shown in the figure above. What dimensions should these pens have to maximize the enclosed ...
Monday, November 14, 2016 by Frank

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