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January 19, 2017

Homework Help: Math

Branches of Math

Recent Math Questions

Super Hard Math
What multiplication fact can be found by using the arrays 2 times 9 and 5 times 9
Wednesday, November 30, 2016 by Markeyvion

Math
In a circus a tightrope is stretched from the top of a 10 ft. pole to the top of a 25 ft pole. The poles are 36 feet apart and vertical. How long is the tightrope? Show your work.
Wednesday, November 30, 2016 by Amy

Math
One half of a number plus three is eighteen. Find the number
Wednesday, November 30, 2016 by Anonymous

math
i need help with a problem wanting me to explain the differences between silver and gold using the terms atom and elements
Wednesday, November 30, 2016 by Tyler

math
Find the initial amount given an exponential function. Given the equation y = 24(0.77)^t, what is the initial amount? To find the initial amount, I need to replace t with 0. When I do that, I get y = 24(0.77)^0 which is y = 24(1), so y = 24 In doing other problems, that first ...
Wednesday, November 30, 2016 by Carly

Math
Evaluate the expression when a = 6. a-24 A.-30*** B.-18 C.18 D.22
Wednesday, November 30, 2016 by Sid.V

Math
1. Suppose y varies directly with x and, y=15 and x=5. Write a direct variation equation that relates x and y. What is the value of y when x=9? I need a little help on how to figure out how to write this out. Any help will be appreciated. Thank you
Wednesday, November 30, 2016 by Anonymous

math
I have ten,ones and tenths.My digits are next door numbers and they add up to 9. What number am I?
Wednesday, November 30, 2016 by Owen

Math
1.The difference of a number and sixteen A.n + 16 B.n - 16 C.16n*** D.n/16
Wednesday, November 30, 2016 by Sid.V

Math
You want to buy three books that are on sale at 20% off. The original prices of the books are $2.50, $4.95, and $6.00. How much will you save?
Wednesday, November 30, 2016 by Lucy

math
the position of a car in time t (in hours) is (-10+45t,40+70t) and a truck (40-40t,20+75t) find the distance between the car and the truck at time t=0 in km) i have 53.9km to 1dp find an expression for d^2 in terms of t) I have 7250t^2 -8700t+290 Complete the square which I ...
Wednesday, November 30, 2016 by s17

MATH
3xy-ysquare=2 and 2x -3y=-4
Wednesday, November 30, 2016 by LEKAN

Math
Expand (3+i)^5, where i^2=-1 (3+i)^5=? Please and thanks.
Wednesday, November 30, 2016 by Philip

Calculus MATH
Problem statement a) Suppose f(x) is defined on 0 ≤ x ≤ 1 by the following rule: f(x) is the first digit in the decimal expansion for x. For example, f(1/2) = 5 and f(0.719) = 7. Sketch the graph of y = f(x) on the unit interval with ...
Wednesday, November 30, 2016 by JIN

math
what is square root of 54 x 3 x i.
Wednesday, November 30, 2016 by Boberto

math
the cost of banana is Re.1 more than that of an orange. Mr asad purchased 12 bananas and 20 oranges . if he paid Rs.108 to the fruit saller, find the price of a banana and orange.
Wednesday, November 30, 2016 by fazalamin

Math
Find all solutions of the equation cot(theta)+1=0 through the interval [0,2pie).
Wednesday, November 30, 2016 by Anonymous

Math
The sequence a(1), a(2), a(3),...,a(n-1), a(n) is such that a(r)= 7r-3. Show that 1/[√a(r) - √a(r+1)] = k[√(7r-3) - √(7r+4)]. The numbers/letters in brackets are subscript.
Wednesday, November 30, 2016 by Jade

Math
In the triangle ABC, AC=2cm, AB=x cm and angle ABC=π/2 rad. 1. Given that angle BAC=ϴ rad, and that ϴ is a sufficiently small angle, show that x≈ a + bϴ^2, where a and b are constants to be determined. 2. For ...
Wednesday, November 30, 2016 by John

Math
Angela is twice as old as clara. Seven years ago, the sum of their ages was 16. How old is clara now?
Wednesday, November 30, 2016 by Janna

math
the 54th term and 4th term of an A.P are -61 and 64 respectively.Find the common difference and 23rd tem
Wednesday, November 30, 2016 by Ana

math
How much money will amount on ₹ 560 in 3 years at the rate 4% per annum
Wednesday, November 30, 2016 by ashutosh

math
Find five rational numbers between - 3/5 and - 1/2
Wednesday, November 30, 2016 by vivek

Math
The sum of two numbers is 3.What is the maximum value of the product of the first and the square of the second?
Wednesday, November 30, 2016 by Bhim

Math
Laura bought 24 pounds of sugar for $10. How many dollars did she pay per pound of sugar? If necessary, round your answers to the nearest hundredth. >> I got the answer 0.41 or 2.4. It says it is wrong.
Wednesday, November 30, 2016 by Piper

consumers math
Sam Sounds received a $290 discount loan to purchase a stereo. The loan was offered at 16% for 90 days. Find the interest in dollars and the proceeds for the following problem.
Wednesday, November 30, 2016 by Anonymous

Math
A car travels 540 hours om 45L. of gasoline.How far can it travels on 60L. of gasoline?
Wednesday, November 30, 2016 by John mark

Math
I am an odd number I am less than 100 The sum of my digits is 12 What am I
Wednesday, November 30, 2016 by Anonymous

Math
Two consecutive angles of a parallelogram measures (X+35) and (5X-21) respectively determine the measures of each angle in the parallelogram.
Wednesday, November 30, 2016 by Camille

math
Town P is on bearing 315 degree from town Q. While town R is south of town P and west of town Q. If town R is 60km away from Q, how fara is R from P?
Wednesday, November 30, 2016 by Anonymous

Math
Let y=e^(cos^-1x) for modx<1. Show that (1-x^2)(d2y/dx2)=x(dy/dx) + y. By further differentiation, show that e(cos^-1x) ≈ e^a(1 - x + 0.5x^2 - bx^3) where a and b are real constants to be determined. I managed to show the first part but I don't get how...
Wednesday, November 30, 2016 by Joel

Math
A fish bowl is constructed out of a spherical bowl with diameter 20cm. The bowl was initially empty and water flows into the bowl at a rate of 10cm^3/s. Let V and h be the volume and depth of water in the bowl at time t seconds respectively. Find dh/dt when h is increasing at ...
Wednesday, November 30, 2016 by Isabel

math
Kofi and Ama both receive 50,000 dollars annually in the companies they work for. In Kofi's company, the mean annual salary of 60,000 dollars with a standard deviation of 5,000 dollars. Ama's company on the other hand has a mean annual salary of 35,000 with a standard ...
Wednesday, November 30, 2016 by Kofi1

math
Zach is planning to invest up to $50,000 in corporate and municipal bonds. The lest he will invest in corporate bonds is $6000 and he does not want to invest more than $27,000 in corporate bonds. He also does not want to invest more than $34,650 in municipal bonds. The ...
Wednesday, November 30, 2016 by random

Math
I am anumber greter than 10 but smaller than 40.I am a factor of 56 but not amultiple of 4
Wednesday, November 30, 2016 by Marykaileen Constancio

math
The gradient of one of the line of ax2+2hxy+by2=0 is twice that of the other,show that 8h2=9ab
Wednesday, November 30, 2016 by Sajjad

math
If you wanted to reduce the 8 by 6 rectangle by a ratio of 1/4, what would the dimensions of the new rectangle be?
Wednesday, November 30, 2016 by Diego

Math
Find the integral ∫(x^2-6x+1)/(x^2+1) dx
Wednesday, November 30, 2016 by Emily

Math
2tan^-1(tanx/2×tan(Ï&#​128;/4-y/2))=tan^-1(sinx×si​ny/cosx+cosy)
Wednesday, November 30, 2016 by Mansi

Math
Ok so in class this is what our teacher had us do.... 1.Pick a number to represent the number of times you would like to have chocolate in a week (more than once, but less than 10 times). 2.Double this amount (just to be bold). 3.Add 5. 4.Multiply the result by 50. 5.If you ...
Wednesday, November 30, 2016 by Melissa

math
how many sets of 4 are there in sets of 24?
Wednesday, November 30, 2016 by justin

Math
There are 20 bottles in a box. Each bottle weighs 1 3/4 pounds. How many pounds do all the bottles weigh together?
Tuesday, November 29, 2016 by Pamela

Inequality 6 grade math help
Am I doing this right? Mr. Wizard started at zero and jump to left 7 feet. Auntie long legs started at zero and John to right 5 feet which frog was ahead? Write an inequality statement (using < or >) to compare the values of their lending points. 7 <0 < 5 Aunts ...
Tuesday, November 29, 2016 by Jessica

Math Logs
logbase4(x+5)=3+logbase4(x-2) Tried so many times please help!
Tuesday, November 29, 2016 by Laura

math
how much should be invested now at an interest rate of 6.5% per year, compounded continuously, to have $3000 in 4 years? do not round any intermediate computations and round answer to nearest cent.
Tuesday, November 29, 2016 by .

Math
If I spent 1/3 of my money on a pen and 4/7 on books how much do I have left?
Tuesday, November 29, 2016 by Emily

Math
The sales tax in the town where Amanda lives is 7%. Amanda paid $35 in sales tax on a new stereo what was the price of the stereo
Tuesday, November 29, 2016 by Yuliana

math algebra
The lengths of the three sides of a right triangle are given by three consecutive even integers. Find the lengths of the tree sides.
Tuesday, November 29, 2016 by laura

Math
1 3 3 6 6 10 10 15 How do you get from the first number to the next?
Tuesday, November 29, 2016 by Katie

Math
How many 6-inch long pieces of ribbon can be cut from a piece that is 3 yards long?
Tuesday, November 29, 2016 by Emily

Math
Selina has a homework consisting of 4 questions.In each question,she needs to find the value of each power.When she turns in her homework,her teacher says she got 3 correct answers which of the following values did she calculate incorrectly? a.(-3)0 = 1 b.(-3)2 = 9 c. -3 2 =9 ...
Tuesday, November 29, 2016 by Leilani

Math
The of stamps owned by Shirley, Mary and Daisy is in the ratio of 5: 6 7. The total number of stamps is 540. Mary gives so of her stamps to Shirley and 40 stamps to Daisy. Find the new ratio of their stamps.
Tuesday, November 29, 2016 by Anonymous

Math
1. Use point-slope form to write the equation of a line that has a slope of 2/3 and passed through (-3,-1). Write your final equation in slope-intercept form. Is the answer y=2/3+-1 2. Write an equation of the line that passed through (2,-1) and is parallel to the graph of y= ...
Tuesday, November 29, 2016 by Anonymous

math
A rectangular piece of land has a perimeter of 250m. If the length is 65m. What is the width?
Tuesday, November 29, 2016 by indira

Math
I have 2 questions that I need help with if someone could please help me step by step to figure out how to do this equation it would be very helpful. Thank you 1. Suppose y varies directly with x and, y=15 and x=5. Write a direct variation equation that relates x and y. What ...
Tuesday, November 29, 2016 by Anonymous

math
A G.P has a common ratio of 2.Find the value of 'n' for which the sum of 2n terms is 33 times the sum of n terms?
Tuesday, November 29, 2016 by Banko

Math
Selina has a homework consisting of 4 questions.In each question,she needs to find the value of each power.When she turns in her homework,her teachers say she got tree correct answers of which of the following values did she calculate incorrectly?
Tuesday, November 29, 2016 by Leilani

Math
Selina has a homework consisting of 4 questions.
Tuesday, November 29, 2016 by Leilani

Math
Tamela's school day is 6 3/4 hours.Yesterday,she had a doctors appointment and missed 1/6 of her school day.How many school hours did she miss during her doctor appointment?
Tuesday, November 29, 2016 by Leilani

Math
Easiest way to find probability
Tuesday, November 29, 2016 by Praise

Finite Math
Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each model-A hibachi requires 3 lb of cast iron and 6 min of labor. To produce each model-B hibachi requires 4 lb of cast iron and 3 min of labor. The profit for each model-...
Tuesday, November 29, 2016 by Tim

MATH PLZ HELP
Tanya and Mona are in the Big Beast Booth at the County Fair. Tanya buys a ticket that gives her three throws with a beanbag at the beasts. There are four beasts, each with a different number on them, 1, 2, 3, or 4. Each time she hits a beast Tanya earns the number of points ...
Tuesday, November 29, 2016 by Emma R.

Math
What number has 2 digits and when a decimal point is placed between them, the resulting number is the average of digits in the 2 digit number??
Tuesday, November 29, 2016 by Freddie

math
( 1/4 )^(xâˆâ​28;™2)=16 is x =8
Tuesday, November 29, 2016 by Reniey

math
3^(2x−1)= 1/(27^x)
Tuesday, November 29, 2016 by Reniey

6th grade math
Tamela's school day is 6 3/4 hours.Yesterday,she had a doctors appointment and she missed 1/6 of her school day.How many school hours did she miss during her doctors appointment?
Tuesday, November 29, 2016 by Leilani

Math
Leah spent 5/6 of an hour doing homework on Monday on Tuesday she spent 3/4 of an hour and on Wednesday she did it in 5/8 of an hour How much time did she spend doing her honework on Minday Tuesday and wednesday I know how to concert 5/6 and 3/4 hour but not 5/8
Tuesday, November 29, 2016 by Caroline

math
An entire bag containing 4.8kg of coffee was repacked into smaller packets. each containing 250g. a) How many smaller packets were obtained? b) How much grams of coffee remained after the maximum amount of packets were obtained?
Tuesday, November 29, 2016 by indira

math
If a boy gets $1,000 for his pocket money if he says 250 dollar is what fraction does he spend
Tuesday, November 29, 2016 by nyla collins

math
A box containing 150 oranges was bought for $120.00 The oranges were sold in heaps of 6 for $10.00. a) How many heaps of 6 were sold? b) Calculate the profit made
Tuesday, November 29, 2016 by indira

math
Put the following decimals and fractions in order from greastest to least: 0.15, 2/3, 3/5, 0.25, 1 1/8
Tuesday, November 29, 2016 by angel

Math
Carlita saw 5 times as many robins as cardinals while bird watching. She saw a total of 24 birds. How many robins did she see than cardinals?
Tuesday, November 29, 2016 by Valerie

math
A petrol tanker is 2/5 full.When 35000 litres are added,the tanker will be 3/4 full.What is the capacity of the tanker in litres?
Tuesday, November 29, 2016 by Banko

math
Farmer Rex planted 48 rows each having 30 corn trees. a) How many corn trees did he plant? b) 1006 plants grew. What percentage of the plants did not grow?
Tuesday, November 29, 2016 by indira

Math
How do I writ a equation that involves multiplication,contains a variable and has a solution of 5. Can you please help me
Tuesday, November 29, 2016 by Nadia

CHECK! LAST TIME MATH!
A store is having a 20%-off sale. It gives an additional 10% off if the item is still above $100 after the first discount. A jacket costs $149.99. Will you get the second discount and if so, how many dollars will you save in total? yes;$42.00 yes;$14.49*** no yes;$30.00
Tuesday, November 29, 2016 by Agala

math
it is now 2.00 pm and 15 minutes, what fraction of a whole turn did the minute hand make? what size of the angle in degrees made by the minute hand?
Tuesday, November 29, 2016 by luren

math
can i get the working for the question damon you lost me at 3.25*360=?
Tuesday, November 29, 2016 by luren

CHECKA Math!
Find the percent of markup. Round to the nearest tenth. $37.00 to $49.00 24.5% 32.4%**** 27.7% 12.0%
Tuesday, November 29, 2016 by Agala

Math
Tony broke a larger array into 2 x 9 array and a 4 x 9 array. What did the larger array look like? Draw picture. Write a number sentence to show the relationship between the large array and the two smaller arrays.
Tuesday, November 29, 2016 by Cc

Math
Find the asymptote of (3)/(2x^(2)+3)
Tuesday, November 29, 2016 by Grace

Check It, Math
A car dealership pays you 6% commission on your first $5,000 on car sales and 8% commission on the sale amount over $5,000. If you sold a $10,000 car, how much is your commission? $600** $700 $800 $500
Tuesday, November 29, 2016 by Agal

Math
What grouping symbols make this number sentence true 50/10+ 10/2=5
Tuesday, November 29, 2016 by Angelo

Interest Finite Math
IS MY ANSWER CORRECT? If you would like to make $1213 in 8 years, how much would you have to deposit in an account that pays simple interest of 5%? I=1213(.05)(8) I=388.16 Interest Earned is $388.16 1213+388.16=1601.16
Tuesday, November 29, 2016 by Jammy

Math
There are 24 students in mrs. garcia's class .she wants to divide the class evenly into groups of at least 4students .write ways in which she can divide the class
Tuesday, November 29, 2016 by Anonymous

Correcting Math
You and some friends rent a limousine for a formal reception. The bill for the evening is $65.00. A tax of 7% will be added to your total, and you want to tip the chauffeur for his excellent driving. You decide to leave him a tip that is 20% of the bill before tax is added. ...
Tuesday, November 29, 2016 by Agal

math
a bicycle wheel made 3.25 revolutions through how many degrees did it turn
Tuesday, November 29, 2016 by luren

Math
Let (7,-3) be a point on the terminal side of theta. Find the exact values of sin of theta, csc of theta and cot of theta?
Tuesday, November 29, 2016 by Justin

Math
The drama club is planning a field trip. Two-thirds of the drama club will attend, in addition to 8 teachers. There are 48 people going on the field trip. Write an equation you can use to find the number of students in the drama club.
Tuesday, November 29, 2016 by Jainam Gandhi

math
y+4=-2(x+6)
Tuesday, November 29, 2016 by Anonymous

math
3x1/6=3divided by____ =1/2
Tuesday, November 29, 2016 by Damian

Math
A barrel contained 60 gallons of water. Water leaked out of the barrel at a rate of 5 gallons every 3 days. How many days did it take for all 60 gallons of water to leak out of the barrel?
Tuesday, November 29, 2016 by Avery

Math
Ricky is 4 times as old as his sister, who's 5. How old will Ricky be when he's twice as old as her?
Tuesday, November 29, 2016 by Calvin

Math
If I spent $15.85 for three notebooks and 2 boxes of markers the boxes of markers cost 3.95 each and the tax is 1.23 and I have a coupon for 0.75 how much did each notbook cost
Tuesday, November 29, 2016 by Makiyah

Math
1.Pick a number to represent the number of times you would like to have chocolate in a week (more than once, but less than 10 times). 2.Double this amount (just to be bold). 3.Add 5. 4.Multiply the result by 50. 5.If you have already had your birthday this year, add 1766. If ...
Tuesday, November 29, 2016 by Melissa

Math
You have $60.00 in your wallet and want to buy some new CDs. If the CDs are $11.00 each, What number of CDs, x, can you buy? Write and solve an inequality. Then explain you answer. Please help me I have no Idea :/
Tuesday, November 29, 2016 by help me please

math volume
Tommy decided to also make a sampler can with a diameter of 2 inches and a height of 3 inches. Tommy calculated that the area of the base was es002-1.jpg, and multiplied that by the height of 3 inches for a total volume of es002-2.jpg. Explain the error Tommy made when ...
Tuesday, November 29, 2016 by Anonymous

math
150 children have to go on a school tour. They can use minibuses, which carry x pupils each, or cars which carry y pupils each. The mathematics teacher works out that they could just manage with 10 minibuses and 6 cars, or with 5 minibuses and 18 cars. Write down two equations...
Tuesday, November 29, 2016 by Banko

Math
A book of golf balls contains yellow golf balls and white golf balls. You collect the representative sample shown (3 yellow, 2 white). If the bucket contains 50 golf balls about how many golf balls are white ?
Tuesday, November 29, 2016 by Michelle

Math
A class of 12 students has taken an exam, and the mean of their scores is 71. One student takes the exam late, and scores 92. After including the new score, what is the mean score for all 13 exams?
Tuesday, November 29, 2016 by Anonymous

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