Tuesday
January 17, 2017

Homework Help: Math

Branches of Math

Recent Math Questions

Math
A pancake takes just 1/5 of a minute to cook. How many pancakes can be cooked in the space of 3/2 hou
Wednesday, November 16, 2016 by Shayan

math
A passenger train takes 3 hours less for a journey of 360km . if its speed increased by 10km/hr from its usual speed . what is its usual speed?
Wednesday, November 16, 2016 by dy

math please explain!
Suppose this firework is set to explode 3 seconds after it is launched. At what height will this firework be when it explodes? My equation is h(t)=-16t^2+120t+20 How do I do this?
Wednesday, November 16, 2016 by Olivia N J

math
In covering a distance of 30km.'A' takes 2 hours more than 'B'. If 'A' doubles his speed,he would take 1 hour less than 'B' . find their rates of walking.
Wednesday, November 16, 2016 by dy

Math 062
In 1996,funding for a program increased by 0.21 billion dollars from the funding in 1995.In 1997,the increase was 1.05 billion dollars over the funding in 1996.For these years the funding was 10.23 billion dollars.How much was funded in each of these three years?
Wednesday, November 16, 2016 by Anonymous

FLAGPOLE MATH!
It's Me Again, Karen is standing near a flagpole that is 12 feet tall. Karen is 5 feet tall, and the length of her shadow is 4 feet, as shown. What is the length in feet of the flagpole's shadow? PLZ HELP!
Wednesday, November 16, 2016 by Agal

Math
A triangle have two sides are known 20m & 30m respectively.find third side where area is 430 square meter.there have different angle .
Wednesday, November 16, 2016 by Aarif raza

math
Nine more than the product of 15 and Vidya's height
Wednesday, November 16, 2016 by idk

math
A man travels 600km partly by train and partly by car.If he covers 120km by train and rest by car ; it takes him 8 hours.But if he travels 200km by train and and by car ; he takes 20 minutes longer.Find the speed of the train and that of the car.
Wednesday, November 16, 2016 by ana

math
2 men and 5 boys can do a piece of work in 4 days, while 4 men and 4 boys can do it in 3 days.How long it would take one man alone to do it and how many days ity would take one boy to do it alone?
Wednesday, November 16, 2016 by ana

TRIANGLE MATH HELP!!!
Are the figures below similar? Why or why not? Determine whether the triangles below are similar. (Triangle M S I is shown on the left. Side M S is labeled 4. Side S I is labeled 6. Side M I is labeled 8. Angle M is 47 degrees. Angle S is 104 degrees. Angle I is 29 degrees. ...
Wednesday, November 16, 2016 by Agal

Math
Can someone please explain to me how to solve this? Find the missing length for a circle. r = 19 cm, d =
Wednesday, November 16, 2016 by Aralyn

Math
25% of 5th graders would choose to have music instead of art. If there are 60 5th graders, how many of them choose?
Wednesday, November 16, 2016 by Wangshin

Math
The sequence < un > is defined by the recurrence Un+1 = 3Un+1\5Un+3 initial condition of u1 = 1: Need to show un in terms of Fibonacci / Lucas numbers
Wednesday, November 16, 2016 by Kate

Math Help!!!
Drinking 6 fluid ounces of milk provides 202.5 milligrams of calcium. How many fluid ounces of milk are required to provide 52.5 milligrams of calcium? Round to the nearest tenth. 2.1 fluid ounces 2.3 fluid ounces 1.8 fluid ounces 1.6 fluid ounces PLZ HELP!
Wednesday, November 16, 2016 by Agal

math
i have a big math quiz today on these terms plz help me meaning of a ratio that compares two quantities measured in different units meaning of the rate for one unit of a given quantity meaning of found by multiplying the denominator of one ratio by the numerator of the other ...
Wednesday, November 16, 2016 by Gaganjyot Bhatti

math
one number is 5 more than half a second number, and the difference between the squares is 17. find the numbers
Wednesday, November 16, 2016 by khyla

Math
6 notebooks cost the same amount as 8 pens. each notebook costs 3.50 mote than each pen. How much does each pen cost?
Wednesday, November 16, 2016 by Lion

math
the second term of AP is 15 and the fifth term is 21.find (1) the common difference and the first term (2) The eight term (3) The sum of the first 16 term
Wednesday, November 16, 2016 by hussein jongo

Math
14 is added to ⅔ of a number. The result is 1¼ times the original number. Find the number.
Wednesday, November 16, 2016 by Emmanuel Attai

Math work
One quarter of Steve's baseball cards are from his dad's collection. Another 0.2 are from his uncle , and 0.5 are from his brother. The rest are from Steve's cousin. Thirty of the cards from his cousin are National League players; the other half are American League...
Wednesday, November 16, 2016 by Xxd

math
laura works at a local supermarket. she can stack 7 shelves in 1\3 of an hour. At this rate, how many shelves can she stack in 2 hours
Wednesday, November 16, 2016 by hannah

Math work
Anne has 24 more cards than Devi. Anne finds that 3/5 of Devi's cards are equal to 1/2 of her cards. How many cards does Anne have?
Wednesday, November 16, 2016 by Xxd

Math work
Sam makes some read rolls. He gives 2/5 of the bread rolls to his neighbor and 4/9 of the remainder to his cousin. He has 15 bread rolls left. How many bread rolls does Sam make?
Wednesday, November 16, 2016 by Xxd

math
A rope is rated to hold 21 2/5 pounds before it breaks.Estimate by rounding to the nearest pound how many 2 5/8 pound weights the rope will hold ? A. 2 32/39 B. 3/10 C.10 5/24 D. 3 1/3
Wednesday, November 16, 2016 by carina

math
A school district has 2 teaching positions to fill and there are 8 applicants to choose from. How many different possibilities are there?
Tuesday, November 15, 2016 by deanna

math
What is the probability of being dealt 3 tens and 2 kings from a deck of cards?
Tuesday, November 15, 2016 by deanna

math. PLEASE HELP.
Question: If A= 29 degrees and a= 4.6, find c. There is a diagram shown in the textbook. b is adjacent, c is the hypotenuse, and a is opposite. I know I'm suppose to use SOH CAH TOA, and i tried using tan, but Im not getting the correct answer. i looked in the back of the ...
Tuesday, November 15, 2016 by Eunice

Math
To make a jacket it takes 1 7/8 yards of material and the material cost $9.00 a yard. What does it cost to make the jacket?
Tuesday, November 15, 2016 by Trent

math
A baseball team has 13 players; how many possible batting orders can the coach make if there are 9 players in the batting lineup?
Tuesday, November 15, 2016 by deanna

Math
Louisa has many marbles in a bag. When she counted them by twos, threes, fours, fives, sizes, sevens, eights, nines and tens there was always one left over. What was the smallest number of marbles Louisa could have had in her bag?
Tuesday, November 15, 2016 by Alexander

math
James is painting his 10 by 8 foot bedroom wall that contains a 2 by 3 foot window. How many square feet of wall does he need to paint
Tuesday, November 15, 2016 by teresa

Math
a salesman has a 42% chance of a sale at his first stop and a 42% chance at his second stop and a 14% chance at both stops what are the odds he will make a sale only at the first stop
Tuesday, November 15, 2016 by Lory

math
A 19 ​-foot ladder is placed against a vertical wall of a​ building, with the bottom of the ladder standing on level ground 13 feet from the base of the building. How high up the wall does the ladder​ reach?
Tuesday, November 15, 2016 by shirley

math
-1/6+(-3/7)
Tuesday, November 15, 2016 by bllllllllllllllllll

Math
Jason has 75 feet wallpaper border.He wants to put up a wallpaper border around his rectangular bedroom that measures 12 feet by 14 feet. He multiplies 12×14=168 to get an exact answer of how much border he needs.He concludes that he does not have enough border ...
Tuesday, November 15, 2016 by Amya

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 ...
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

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