Saturday
July 4, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

Math
A rectangle has a base of 32 inches and a height of 14 inches. What is the area and perimeter of the rectangle?
Friday, May 1, 2015 by Preia

Math
Use the order of operations to simplify each of the following : a) 4*3^3- 54÷6+5^2 b)314-3 [2^5 -(9- 4 ) ^2 +3]^2
Thursday, April 30, 2015 by Preia

Math
A square which is 7 inches on a side is removed from a triangle which is a base and height of 14 inches. What is the area of the remaining region?
Thursday, April 30, 2015 by Preia

Math
Shelly and Andy are playing a game using a number cube and flips the coin. What are all possible outcomes during one turn? How many outcomes are in the sample space?
Thursday, April 30, 2015 by Pat

Math
A painting shaped like a circle had a diameter of 20 inches. A circular frame extends 2 inches around the edge of the painting. How much wall space does the framed painting need? Use 3.24 for pi.
Thursday, April 30, 2015 by J J

Math
If I were to graph this equation y= 2x + 0.5 would I graph x as 2 and y as .5?
Thursday, April 30, 2015 by Island Grandma

5th grade math
Jeff put small box that is 12 inches long, 8 inches wide, and 4 inches tall inside a box that's 20 inches long, 15 inches wide, and 9 inches high. How much space is left in the larger box?
Thursday, April 30, 2015 by Chris

math
Small cubes with edge lengths of 1/4 inch will be packed into the right rectangular prism. The dimensions are 4 1/2 inches in length, 5 inches in width, and 3 3/4 inches in height. Each cube is 1/4 inches. How many small cubes are needed to completely fill the right ...
Thursday, April 30, 2015 by Troy

Math
THE CIRCUMFERENCE OF A CIRCLE IS 31.4 centimeters. What is the area of the circle?
Thursday, April 30, 2015 by Jimmie

Math
-3(9+x)=33
Thursday, April 30, 2015 by Christine

math
a person had to drive 1417 miles. They drove 9 hours a day for 3 days. How many miles per hour did they drive?
Thursday, April 30, 2015 by Allie

Math
Find the approximate area of each circle. Use the value of pi that makes the math the simplest for you. In the example, it's a circle with 14cm written on it in the middle. I'm
Thursday, April 30, 2015 by Kimm

Math
Small cubes with edge lengths of 1/4 inch will be packed into the right rectangular prism. How many small cubes are needed to completely fill the right rectangular prism? The height is 3 3/4 inches, the width is 5 inches, length is 4 1/2 inches. ( the small cubes will be 1/4 ...
Thursday, April 30, 2015 by Jay

math
What will the graph look like for a system of equations that has no solutions? A. The lines will be perpendicular. B. The lines cross at one point. C. Both equations will form the same line. D. The lines will be parallel. Is the answer B?? Thank you
Thursday, April 30, 2015 by Claire

Math 12
What is the probability of being dealt four cards of a kind in a five card hand? I know it is 0.00024, but I need this as a fraction and I don't know how to do that.
Thursday, April 30, 2015 by Anonymous

math
X|-1|0|1|2| y|-2|1|4|7| What is the rule for the function shown in the table? A.y= 1/3x+1 B.y=3x+1 C.y=1/3x D.y=1/2x+1 Is the answer B??
Thursday, April 30, 2015 by bad with math

Math
Which of the following expressions is equivalent to (-2x^5 y^2)^4 A. -16x^20 y^8 B. -8x^10 y^8 C. -8x^9 y^6 D. 16x^9 y^6 E. 16x^20 y^8
Thursday, April 30, 2015 by Anonymous

Math
Find the volume of the solid generated by revolving the region bounded by y=x+(x/4), the x-axis, and the lines x=1 and x=3 about the y-axis. I've drawn the graph and I understand which part is being rotated, but I'm having trouble setting up the equation. Because there...
Thursday, April 30, 2015 by Eliana

Consumer Math- HELP
1. Fred salmon purchased six 1,000 bonds at 92. The bonds pay 6.5% What was the cost of the bonds? What was the total annual interest? What is the yield (to the nearest percent)? 2. John Tucker is interested in purchasing stock. He wants to determine the costs. Number of ...
Thursday, April 30, 2015 by Lauren

math
The cost of a minibus was Shilling 950,000. It depreciated in value by 5% per year for the first two years by 15% per year for the subsequent years. (a) Calculate the value of the minibus after years (b) After 5 years the minibus was sold through a dealer at 25% more than its ...
Thursday, April 30, 2015 by kudu

Math
Kaya drove 200 miles in 5 hours of actual driving time. By driving an average of 10 miles per hour faster, Kaya could have saved how many hours of actual driving time? A. 1 / 6 B. 2 / 3 C. 7 / 10 D. 1 E. 4
Thursday, April 30, 2015 by Anonymous

math
The ferris wheel shown makes 12 revolutions per ride.how far would someone travel during one ride
Thursday, April 30, 2015 by Anonymous

Math
The manager of the theater wants to sell the popcorn in a cone with a diameter of 7 inches. What does the height of the cone need to be in order to hold the same amount of popcorn as the cylinder?
Thursday, April 30, 2015 by Alanda

math
A ship leaves an island (5°N, 45° E) and sails due east for 120 hours to another island. Average speed of the ship is 27 knots. (a) Calculate the distance between the two islands (i) In nautical miles (ii) In kilometers (b) Calculate the speed of the ship in kilometers...
Thursday, April 30, 2015 by kudu

Consumer math
A deposit of 4,000 at 9.5% for 270 days
Thursday, April 30, 2015 by Alexis

math
There are two sign posts A and B on the edge of the road. A is 400 m to the west of b. A tree is on a bearing of 060° from A and a bearing of 330° from B. Calculate the shortest distance of the tree from the edge of the road.
Thursday, April 30, 2015 by kudu

Math
Anna saved $20 in a jar each month for 2 1/2 years. She spent 75% of her savings on a computer. How much money did Anna have left in the jar?
Thursday, April 30, 2015 by Sarah

Math
You and a friend go to the movies and split the cost of the movie tickets and snacks. You pay the bill. You tell your friend he owes only $9 because you owed him $4 from the last time you went to the movies. How much was the total bill? Let b represent the total bill. Identify...
Thursday, April 30, 2015 by Priscilla

Financial math
Taylor is purchasing a home for $235,000. She is putting 20% down. She has qualified for a 30 year mortgage at 4.5% APR. Calculate her monthly payment.
Thursday, April 30, 2015 by Kay

Discrete Math
3. A club with 8 women and 6 men needs to choose two different members to be president and vice president (combination or permutation). a. In how many ways is this possible? b. In how many ways is this possible if women will be chosen as president and a man as vice president? ...
Thursday, April 30, 2015 by Peace

Discrete Math
Determine where the big O(g(x)) for following functions • F(x)=2xlogx+1 • F(x)=3x -2x +1 • F(x)=4x -2x -3x +4 • F(x)=( x +1)/( x +4) • F(x)=(x+1)/(x-4
Thursday, April 30, 2015 by Peace

Discrete Math
15 Please calculate P(E|F) given P(F|E)=0.3, =0.25 and P(E)=0.6
Thursday, April 30, 2015 by Peace

Discrete Math
14 There 2 dies. One is 8 sides (octahedral die) and another is 6 sides (normal). All are fair dies. a. What is the expected value when the 2 dies tolled together b. What is the variance when the 2 dies tolled together
Thursday, April 30, 2015 by Peace

Discrete Math
13 Define F as failed in the diagnostic test that P(F)=0.08 and A as failed in the real test. Given a student was failed in the diagnostic test, the probability he/she is also failed P(A|F)=0.90. The conditional given the student was not failed in the diagnostic test and not ...
Thursday, April 30, 2015 by Peace

Discrete Math
12 A computer science department has a probability of 0.35 that a senior receives a job offer in IT before graduation. Random select 8 senior students • What is the probability that 5 students received offers before graduation? • What is the probability only 1 ...
Thursday, April 30, 2015 by Peace

Discrete Math
There are 8 black balls and 8 white balls in a box and cannot be seen through: • How many balls must be picked up in order to guarantee there are three balls having the same color • How many balls must be picked up in order to guarantee there are three white balls
Thursday, April 30, 2015 by Peace

Math
Writing to Explain Yuri says that the difference between the least amount of time it takes a student to say the alphabet and the greatest amount of time is 4 1/2 seconds. Do you agree? Explain.
Thursday, April 30, 2015 by Mits

Math
Reason A new student joins Ms. Sousa's class. That student can say the alphabet in 3 1/2 seconds. What is the new difference between the greatest length of time and the least length of time? A. 4 1/2 seconds B. 4 seconds C. 3 1/2 seconds D. 3 seconds
Thursday, April 30, 2015 by Mits

Math
Allie's plant has a height of 6 meters. rayon's plant grows 3/10 meter higher . How high does Rajon's plant grow?
Thursday, April 30, 2015 by Smita

Math
Which is NOT true about the Table? x: 1 | 2 | 3 | 4 | y: 1 | 4 | 9 | 16 | A. it shows a linear function B. x increases by 1 each time C. the rate of change is not constant D. y increases by a different value each time D please check
Thursday, April 30, 2015 by Anonymous

Math
In 1982 , the California Minimum wage was $3.35.Suppose that a bartender in 1982 makes minimum wage plus $80 per night in tips,and that they work full time(8 hrs per day, 5 days per week, 50 weeks per year) Considering a standard inflation rate of 4.5% what was his annual ...
Thursday, April 30, 2015 by Preia

Math
Mr. Register went out for enchiladas. After eating as much as he could consume the bill ended up being $317.24( they were really good enchiladas, and there were alot of them)The tax rate is 8.5 % and a gratuity of 15% was automatically added ( after tax) to the bill. Because ...
Thursday, April 30, 2015 by Preia

Math
Using the formula. I =Prt ,calculate the simple interest where t=1/n and n is the number of periodd per year for compounding. You have $20,000 and wished to invest it in one of two ways. Option A: You may invest it in a certificate of deposit for 10 years at an interest rate ...
Thursday, April 30, 2015 by Preia

math help me
Solve: 6C3 (1 point) 120 720 20 240 2. Which is not a combination? (1 point) choosing 3 toppings for your pizza lining 3 students up in a row choosing 2 desserts from a tray of 10 choosing 5 students to represent a class of 30 3. How many ways can you choose 3 dishes from a ...
Thursday, April 30, 2015 by maddi

Math
For each of the following, simplify by combining like terms : a) p ( q - r ) - q ( p -r ) - r ( p -q ) b) 23ab - 12bc^2 - 12ba - 13bc^2
Thursday, April 30, 2015 by Preia

Math
Evaluate : 2x^2 - 9x+7 when x=-7/2
Thursday, April 30, 2015 by Preia

Math
3xy - | x- 2 | when x = -1.3, y = 2/5
Thursday, April 30, 2015 by Preia

Math
A department store recieved a shipment of dresses together with the bill for $3245.50. Some of the dresses were not as ordered ,however ,and were returned at once. The value of the returned dresses was $143.15 . The terms of the billing , provided the store with a 10% discount...
Thursday, April 30, 2015 by Preia

math
if r=9 units and h=4units what is the volume of the cylinder shown above use 3.14 for pie symbol
Thursday, April 30, 2015 by ciara

MATH
1.) solve the equation 2 x - 3 = 15 A. x=6 B. x=9 C. x=24 D. x = 36 2.) Solve the equation r - 4 = 11 --- 3 r = 45 r = 35 r= 33 r = 28 3.) solve the equation 7+ 3 m = 28 m = 18 m = 11 2 divide by 3 m = 9 m = 7 PLEASE HELP MS. SUE
Thursday, April 30, 2015 by Priscilla

math
find a number that: it is a 3 digit number larger than 399 and smaller than 500 both digits in the tens place and ones place are odd and their sum is equal to 5 the digit in the ones place is larger than the digit in the tens
Thursday, April 30, 2015 by Mahinoor

math
6cm diameter discs are cut from a sheet 130cm long and 70cm wide.(a)How many discs can be cut in this way (b) what area of the sheet is wasted? (My working so far). Area of rectangle=L*B 130*70=9100cm^2 area of circle=22/7 *(6/2)^2=28.286cm^2 (a)no of discs cut=9100/28.286=321...
Thursday, April 30, 2015 by james

SOLVE -MATH
A physics exam consists of 9 multiple choice questions and 6 open-ended problems in which all work must be shown.If an examinee must answer 6 of the multiple- choice questions and 3 of the open-ended problems, in how many ways can the questions and problems be chosen?
Thursday, April 30, 2015 by JORDAN

consumer math A
Find the interest due on $800 at 12% for 120 days.
Thursday, April 30, 2015 by javion

math:Fundamental Counting Principlal
solve the problem by applying the fundamental counting principal with two groups of items. Shaun is joining a music club. as part of ther 4-cd introductory package she can choose from 12 rock, 10 alternative, 7 country, and 5 classical. if Shaun choose one selection from each ...
Thursday, April 30, 2015 by robert

math: 68-95-99.7 rule
suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000 use the rule to find the percentage of buyers who paid: between $150,000if the standard deviation is $1200
Thursday, April 30, 2015 by john

math
jerry sold 7/20 of the total number of tickets that were sold for the spring band concert what percent of the total number of tickets did jerry sell
Thursday, April 30, 2015 by ciara

math
A bag contains 9 black marbles and 1 white marble. What is the probability of the event that is complementary to the event of drawing a black marble from the bag? a. 1/10 b. 1/9 c.8/9 d.9/10
Thursday, April 30, 2015 by Ellie evans

Math Check
Let’s say you have a bedroom drawer that contains about 2 red socks, 4 white socks, and 8 blue socks. Without looking in the drawer, you pick out a sock, take it back, and then pick out a second sock. What could the probability be if the first sock is white and the second...
Thursday, April 30, 2015 by Steffi

MATH
A physics exam consists of 9 multiple choice questions and 6 open-ended problems in which all work must be shown.If an examinee must answer 6 of the multiple- choice questions and 3 of the open-ended problems, in how many ways can the questions and problems be chosen?
Thursday, April 30, 2015 by STAR ---- HELP.....

math homework
Michael went into a comic book store to pick up a few of his “much wanted” comics. There are about 4 different Batman issues, about 5 different Star Wars issues, and about 2 different Superman issues to choose from. Exactly how many combinations are possible for ...
Thursday, April 30, 2015 by Betty

math
Answer the following questions below that go with the following: Let's say that a locker combination lock uses numbers 0 through 39 for a 3 digit combination. 1.) Exactly how many combinations are possible if NO digit may be repeated? And how many combinations are possible...
Thursday, April 30, 2015 by Kyle

Math
1.) What is the formula for the nth term of the arithmetic sequence that has a common difference of 8 and a first term of 4? 2.) What is the formula for the nth term of the geometric sequence that has a first term of 2 and a ratio of 3?
Thursday, April 30, 2015 by Jamie

Math
A submarine left the surface of the water at the rate of 2 meters per second. At the rate how long would it take the submarine to reach -60 meters level
Thursday, April 30, 2015 by Sia

math
prove that the value of cosx + secx can never be 3/2.
Thursday, April 30, 2015 by maths

math
Find the HCF and LCM of: 1 + 4x + 4x^2 - 16x^4.. ,1 + 2x - 8x^3 - 16x^4.., 16x^4 + 4x^2 + 1
Thursday, April 30, 2015 by anyone please help

math - please help
Find the HCF and LCM of: 1 + 4x + 4x^2 - 16x^4.. ,1 + 2x - 8x^3 - 16x^4.., 16x^4 + 4x^2 + 1
Thursday, April 30, 2015 by help please - instantly

Math
Reduce the fraction: 5,040/59,400
Thursday, April 30, 2015 by Preia

Math
A triangle with a Base of 8 inches and a height of 7 inches has a circular section of diameter 3 inches removed from its center. What is the remaining area of the triangle? (Use π = 3.14)
Thursday, April 30, 2015 by Preia

math
Find the HCF and LCM of: 1 + 4x + 4x^2 - 16x^4.. ,1 + 2x - 8x^3 - 16x^4.., 16x^4 + 4x^2 + 1
Thursday, April 30, 2015 by clive

Math
A triangle with a Base of 8 inches and a height of 7 inches has a circular section of diameter 3 inches removed from its center. What is the remaining area of the triangle? (Use π = 3.14)
Thursday, April 30, 2015 by Preia

Math
Reduce the fraction: 5,040/59,400
Thursday, April 30, 2015 by Preia

Math
For each of the following , simplify by combining like terms : 4x^3y+5x(6xy-7y^2) - 8y(9x^2-10xy) - 11xy^2
Thursday, April 30, 2015 by Preia

Math
On a multiple choice exam with 25 questions, the instructor scored the exams as follows: 4 points for each correct answer, -1 for each blank answer, and -6 for each wrong answer. What was the score of a student who had 14 correct answers, 3 blank answers, and 8 answers?
Wednesday, April 29, 2015 by Preia

Math
Is 2^6 * 3^10 * 5^12 * 7^15 * 1^18 a prefect square? Explain how you know.
Wednesday, April 29, 2015 by Victoria

Math
Prove that 1 * 3 * 5 * ... * 2345 + 2 *4 * 6* ... * 3456 is divisible by 6789.
Wednesday, April 29, 2015 by Help Please

Math
She has 2 7/8 cups of flour, she will put 3/4 cup of flour in each cake
Wednesday, April 29, 2015 by Angel

math
if a room measures 12 by 15 feet how many l square ft. tiles would I need to cover the floor.
Wednesday, April 29, 2015 by gianna

math
what do you call it when someone pays back a loan quickly?
Wednesday, April 29, 2015 by za

Math
Is 2^9 * 3^12 * 5^6 * 7^3 a perfect cube? How do you know by just looking at it?
Wednesday, April 29, 2015 by Samantha

MATH
Jenna always throws loose change into a pencil holder on desk and takes it out every 2 weeks. this time it is all nickels and dimes. There are 7 times as many dimes as nickels and the value of the dimes is $6.50 more than the value of the nickels. How many dimes does Jenna have?
Wednesday, April 29, 2015 by TIMMY

math
if a room is 14ft by 12ft how many 1sq. ft. tiles do I need to cover my floor?
Wednesday, April 29, 2015 by gianna

math word problem
a service that repairs TV sells maintenance agreement for $10 a year the average cost for repairing a TV is $38 and 3 in every 100 people who purchased maintenance agreements have TV's that require repair. find the services expected profits per maintenance agreement.
Wednesday, April 29, 2015 by Cody

math
if a room is 12ft by 14ft how many square tiles do I need to cover the floor?
Wednesday, April 29, 2015 by gianna

math
A farmer wants to fence in three sides of a rectangular field shown below with 880 feet of fencing. The other side of the rectangle will be a river. If the enclosed area is to be maximum, find the dimensions of the field.
Wednesday, April 29, 2015 by Heritage

Math
How do you tell whether a number is a perfect square from the exponents of its prime factorization? Explain why this works.
Wednesday, April 29, 2015 by Anonymous

math: fundamental counting principal
with two groups of items: John is joining a music club as part of her 4-cd introductory package she can choose from 12 rock, 10 alternative, 7 country, and 5 classical. if John choose one selection from each category, how many ways can he choose her introductory package?
Wednesday, April 29, 2015 by skyler

math; solve problem
it is recommended that there be at least 13.65 sq ft of ground sace in a garden for every newly planted shrub. a garden is 32.2' by 21'. find the maximum number of shrub the garden can accommodate.
Wednesday, April 29, 2015 by mia

Math
Perry's Publishing is relocating and 2 employees, Edna and Sam have created a "For sale" sign 4 feet long to place outside the current premises. They plant o attach the sign to a 9-foot pole using a hook and a chain. They would like the top of the sign to be 6 ...
Wednesday, April 29, 2015 by M

MATH; STANDARD DEVIATION
suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000 use 68-95-99.7 rule to find the percentage of buyers who paid: between $150,000 and $152,000 if the standard deviation is $1200
Wednesday, April 29, 2015 by CHIN

math
mr cook wants to fence his rectangle garden which covers 100 ft squared the width of the garden is 7 1/2 ft what is the length of the garden how much fencing mr cook need
Wednesday, April 29, 2015 by zeinab

Math
As x increases by 2 units, y increases by 3 units.
Wednesday, April 29, 2015 by Anonymus

math
jamie is joining a music club as part of her 4-cd introductory package she can choose from 12 rock selection, 10 alternative selection 7 country selections and 5 classical selection if jamie chooses on selection from each category how many ways can she choose her introductory ...
Wednesday, April 29, 2015 by bob

Math Help
Hi! I need help with these two questions. Thanks! 1.) Look for the first four terms for the following sequence below. an=n(n^2-6) 2.) For this question, remember that your answer has to begin with the second term of the following sequence. Look for the next four terms of the ...
Wednesday, April 29, 2015 by Tori

Math
How do you tell whether a number is a perfect square from the exponents of its prime factorization? Explain why this works.
Wednesday, April 29, 2015 by Lisa

math
A service that repairs televisions sells maintinance agreement for $9 a year the average cost for repairing a television is $39 and 3 in every 100 people who purchased maintenance agreements have television that require repairs Find the services expected profit per maintenance...
Wednesday, April 29, 2015 by ct

math
if a movie theater holds 1200 and 2/3 of its seat how many tickets does sell
Wednesday, April 29, 2015 by cheri

math
dave throws loose change in to a cup an takes it out every 2 weeks this time it is all nickels and dimes there are 7 times as many dimes as nickels and the value of dimes is $5.85 more than the value of the nickels how many nickels and dimes does dave have
Wednesday, April 29, 2015 by cat

Math
If p and q are relatively prime, then GCF(p,q) = ______, and LCM(p,q) = _______.
Wednesday, April 29, 2015 by Isa

math
Lee wants to cut this piece of canvas into two rectangles that are 3×2 and 3×5. He wants the sum of the two small recyangles to be the same as the area of the large rectangle. Can he do this? Explain the rectangle is 6feet across and 3feet tall
Wednesday, April 29, 2015 by leanna

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