Monday
July 6, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

Math
Finish the following to make a perfect square. 1.) x^2+sqrt3x+______ 2.) x^2+4x+_____
Friday, May 15, 2015 by Kate

Math
Gina is tying up a stack of newspapers with string. She wants the string to wrap around twice, once lengthwise and once crosswise. If the stack of newspapers is 11 inches wide, 13 inches long, and 15 inches high, how much string will she need?
Friday, May 15, 2015 by Laura

Math
The volume of a rectangular solid with a length of 6in., width 8in., and height 13in.
Friday, May 15, 2015 by Missy K.

math
5 kids median age is 9. Two of the kids ages are 5. The range of all the kids is 7. What is the age of the 2nd to the oldest. Please help....! a. 5 b. 7 c. 9 d. 12 to figure it out, i tried this 1. 12 2. 11 3. 9 4. 5 5. 5
Friday, May 15, 2015 by tanisha

Math
The length of the hypotenuse of a rigth triangle with sides of 6mm and 8mm?
Friday, May 15, 2015 by Missy K.

math
What is the shape of a linear function on a coordinate plane. choices are: a. circle b. ellipse c. vertical d. horizontal I chose "D"
Friday, May 15, 2015 by tanisha

Math
What is the area of an isosceles right triangle wih equal sides that measure 42cm? @Ms. Sue please help!!!
Friday, May 15, 2015 by Missy K.

math
Monday -4 degrees Fahrenheit increase 6 degrees. On Tuesday it increased 2 degrees. For the next 7 days it increased. What is the temperature on the 9th day?
Friday, May 15, 2015 by tanisha

math
Andy averages 17 points per game during 5 games of the basketball season. If he scored 12, 24, 20, 18 in four of the games. How many points did he score in the 5th game. 17 * 5 = 85 12 +24 +20 +18 +x = 74 85-74 = 11
Friday, May 15, 2015 by tanisha

Math
Ethan had $8 more than Dakota. Ethan then gave 1/4 of his money to Dakota. The ratio of money Ethan had to the money Dakota had then became 5:7. How much money did Ethan give to Dakota?
Friday, May 15, 2015 by Sam

math
Please help iv been stuck on these for two days! 1. Write an expression to describe a rule for the sequence. Then find the 100th term in the sequence. 3,10,17,24,31,38 ANSWERS: A) n+7;707 B) 7n:700 C) 7n-4;696 ** D) 6n-4;596 2. Write a rule for the function represented by the ...
Friday, May 15, 2015 by anonymous

Math
Prove the identities: (sin^2x-1)^2 = cos(2x)+sin^4x
Friday, May 15, 2015 by Michael

Math.
4^4/4^6 (btw these are called polynomials A. -16 B. 16 C. 1/16 D. -1/16 I understand how to work with polynomials, but I've never seen a question like this. I feel like it's A. Can someone please explain how I would do this
Friday, May 15, 2015 by anonymous

math
a-5 digit number has 7 in its tens place.The digit in ones place is 5 less than its digit at tens place.The hundreds place digit is 4 times the digit at ones place.The digit at thousands place is the same as hundreds place.Guess the digit at ten thousands place if the sum of ...
Friday, May 15, 2015 by Anonymous

Math
A ladder 12 m long is propped up against a building at an angle of 15°. How far up the wall does the ladder go?
Friday, May 15, 2015 by Jen.

math
A brownie cake recipe requires 2 1/2 cup of sugar. The amount of flour needed is 1/2 cup more than twice the amount of sugar. How much flour is required?
Thursday, May 14, 2015 by ed

math
Multiply the following polynomials. 1. -2r(8r+5) A. -16r^2+5 B. -16r^2+10 C. -16r^2-10r D. -16r^2-10 2. 2a(a^2+4a) A. 2a^2+6a^2 B. 2a^3+8a^2 C. 2a+6a D. 2a^3+6a^2 3. (3y)(3y-2) A. 9y^2-6 B. 9y^2+5y C. 9y^2+1 D. 9y^2-6y 1.B 2.A 3.B
Thursday, May 14, 2015 by anon

math
Replace the___with<,>, or = to make a true statement. 7^4\7^2_______49 A. < B. > C. = D. None if the above A?
Thursday, May 14, 2015 by anon

math
Simplify each expression. 4^4\4^6 A. -16 B. 16 C. 1\16 D. -1\6 2. 5^0 A. 0 B. 5 C. 1 D. -5 1. C. 2. A
Thursday, May 14, 2015 by anon

math
2.If a sledgehammer that weighs 18 newtons on Earth will weigh about 4 newtons on the planet Namar, then your weight on Namar would be about ___ times your weight on Earth. A. 0.25 B. 4 C. 0.5 D. Not enough information
Thursday, May 14, 2015 by Julia

Math
Tickets for children cost $3.00, adult tickets cost $5.00. I am responsible for selling 6 tickets. How would I figure out all the possible dollar amounts that my ticket sales could total? SOOOO confused, please, any help would be sincerely appreciated. Thank You
Thursday, May 14, 2015 by Kyle

Math
If g(x)=5^x, then g′(2) is _________
Thursday, May 14, 2015 by Pax

Math
On a grid draw and label and label an aquarium shaped like a rectangle prism with the volume of 8000 cubic in.
Thursday, May 14, 2015 by Jaxon

grade (5) math
the cost of dinner for a family of four was $128. They left the waiter a total of $151.04, including the tip. What percent of the bill was the tip? Pls help me!
Thursday, May 14, 2015 by ary

Math
A whale weighs 120 to a. Baby weighs 1/40 of the weight of adult whale. How pounds does baby whale weigh.
Thursday, May 14, 2015 by Bell

Math
Q. Mrs.Ramirez's class was getting ready to plant tomatoes. They we're wondering if each package of tomato seeds contained the same number of seeds. They counted the seeds in four packages and found that there was a average of 73 seeds in the package. The first three ...
Thursday, May 14, 2015 by Michelle

math
a sprinkler is placed in the corner of a rectangular yard,if the sprinkler has a of reach 26 feet and the yard is 30 feet long and 40 feet wide how many square feet of the lawn will not be watered by the sprinkler? 30ft-26ft = 4ft, 40ft-26ft=14 14ft * 4ft = 56ft....?
Thursday, May 14, 2015 by Tricia

math
At Frugal Foods a loaf of bread cost about $1 in 1980. In 2013, the loaf of bread cost $2.50. 1.A ratio is a comparison of two amounts by division. What is the ratio of the cost of a loaf of bread in 2013 to the cost in 1980? 2.50/1 2. Assuming the price of clothing increased ...
Thursday, May 14, 2015 by Frank

Math
What are the vertices and co-vertices of y^2/25 - (x + 6)^2/144 = 1
Thursday, May 14, 2015 by Anonymous

Math
Use the function rule f(x)=x*|-1|^x. Find the output f(2). A.4 B.3 C.-2 D.2
Thursday, May 14, 2015 by basketball&batman

math
how many edges , vertices and faces does a cylinder have? some say 0 edges,0 vertices, and 2 faces but others say 3 faces, 2 edges and 0 vertices. Which is it? thank you.
Thursday, May 14, 2015 by judy

Math
In a bag M&M's, the probability of choosing a yellow m&m is 1/5. In a bag of skittles, the probability of choosing red is 1/4. What is the probability of choosing a yellow m&m and a red skittle?? Number of events:________________ Expression:________________ Answer:...
Thursday, May 14, 2015 by Tisy

math
A branch grows from the trunk of a tree. It makes two supplementary angles with the trunk. What must be the variable of x if you have 76+8x=
Thursday, May 14, 2015 by oswaldo

Math
Hi! I know I am asking a lot since this is a huge question, but I was wondering if anyone could help or walk me through it. I totally understand if you do not want to help. But I am really confused and any help at all would be amazing. Thank you! You are writing an article on ...
Thursday, May 14, 2015 by Sasha

Math
A line passes through the points (4,-1) and (2,3. what is the slope of this line? A. -1/2 B. -2 C. 1/2 d. 2
Thursday, May 14, 2015 by Angelina

Math
Please help! I am confused about this question and can not seem to get the answer. Thanks! 1) You choose a marble at random from a bag containing eight brown marbles, seven yellow marbles, and one purple marble. You replace the marble and then choose again. Find P(brown then ...
Thursday, May 14, 2015 by Tia

math
what is the Lateral area of the face of a rectangular pyramid with measurements 2.5 in by 2.75 inches by 2.75 inches.
Thursday, May 14, 2015 by Olivia

math
what is the surface area of a cube with sides measuring 2 inches?
Thursday, May 14, 2015 by charles

Math
Which survey question is biased? A. “Should the president of the United States serve a six-year term?” B. “Which meal—breakfast, lunch, or dinner—is your favorite meal of the day?” C. “During which month do you prefer to go on vacation?”...
Thursday, May 14, 2015 by Anonymous

Math
Which of the following types of information is suited for display on a double-line graph? A. annual changes in Melody’s height and weight from 5 to 10 years old B. number of Democrats and Republicans in the Senate during the past decade C. monthly sales of two different ...
Thursday, May 14, 2015 by Anonymous

math
The ratio of girls to boys in Liza’s classroom is 5 to 4. How many girls are in her classroom if there is a total of 27 students?
Thursday, May 14, 2015 by ben

Math
Center at (2,-5), conjugate axis parallel to the y-axis, slopes at asymptotes numerically one-sixteenth times the length of the latus rectum, and distance between foci is 2sqrt145.
Thursday, May 14, 2015 by Ruby

math
what is 1255 to the nearest 3000
Thursday, May 14, 2015 by hao

Math
For a math homework assignment, Karla found the area and perimeter of a room of her house. She reported that the area of her rectangular living room is 180 square feet and that the perimeter is 54 feet. When drawing a sketch of her living room the next day, she realized that ...
Thursday, May 14, 2015 by Anonymous

math
Given the points A(0,0), B(4,3), and C(2,9), what is the measure of ABC?
Thursday, May 14, 2015 by sharon

MATH
For questions 1 and 2, write each expression using a single exponent. 1.x^9 --- x^2 A.x^11****** B.x^7 c.7 D.x^5 2. h^14 ----- h^3 A. h^-9 B. 1 ---- h^9 C.h^19***** D. h^9 Are these the correct answers or do I have to subtract the exponents? Thank you
Thursday, May 14, 2015 by Elsa

math
Completely factor the expression 16t3 − 50t2 + 36t. A. 2t(8t −&nbs​p;9)(t − 2) B. Prime C. 2t(8t + 9)(t + 2) D. 2t(8t − 25t ​;+ 18)   Completely factor ...
Thursday, May 14, 2015 by tina

math
PLEASE HELP I WOULD REALLY APPRECIATE IT! 1. Write an expression to describe a rule for the sequence. Then find the 100th term in the sequence. 3,10,17,24,31,38 ANSWERS: A) n+7;707 B) 7n:700 C) 7n-4;696 ** D) 6n-4;596 2. Write a rule for the function represented by the table. ...
Thursday, May 14, 2015 by anonymous

Math
For (x-4)^2/36 + (y-1)^2/25 = 1, are the vertices (-2, 1) and (10, 1)?
Thursday, May 14, 2015 by Anonymous

Math help please
What is the probability of a number from 1-12 being P(a factor of 12)? 12.5% 25% 50% 62.5%
Thursday, May 14, 2015 by Caleidoscope

math
Completely factor the expression 16t3 − 50t2 + 36t. A. 2t(8t −&nbs​p;9)(t − 2) B. Prime C. 2t(8t + 9)(t + 2) D. 2t(8t − 25t ​;+ 18)   Completely factor ...
Thursday, May 14, 2015 by Kenny D

math
Completely factor the expression 2a3 − 128. A. 2(a − 4)3 B. 2(a − 4)(a2 + 4a + 16) C. 2(a3 − 64) D. Prime Completely factor the expression 7(x − y) − z(x − y). A. Prime B. (x − y)(7 − z) C. (x − y)(7 + z) D. (x −...
Thursday, May 14, 2015 by realiesna

Math 100
A triangular prism measures 81 cm long. Its cross section is an equilateral traingle with a base of 16 centimeters and a height of 14 cm. Find the surface area of this triangular prism.
Thursday, May 14, 2015 by LINDA

Math
Can someone help me? If a and b are any two real numbers, explain how you calculate the difference a – b. Be sure to include the following in your explanation: a. A description of the relationship between addition and subtraction b. How you can use a number line to help ...
Thursday, May 14, 2015 by Sara

Math
Center at (2,-5), conjugate axis parallel to the y-axis, slopes at asymptotes numerically one-sixteenth times the length of the latus rectum, and distance between foci is 2sqrt145.
Thursday, May 14, 2015 by Allyssa

Math
With transverse axis parallel to the x-axis, center at (2,-2), passing through (2 + 3sqrt2, 0) and (2 + 3sqrt10, 4)
Thursday, May 14, 2015 by Allyssa

math
An architect designs a house that is 12m wide. The rafters holding up the roof are equal length and meet at an angle of 68 degrees. The rafters extend 0.6m beyond the supporting wall. How long are the rafters?
Thursday, May 14, 2015 by sharon

math
Find the product of (2a + 3b)(2a − 3b). A. 4a2 − 6b2 B. 2a2 − 3b2 C. 4a2 + 12ab − 9b2 D. 4a2 − 9b2 plz help
Thursday, May 14, 2015 by jill

MATH PLEASE HELP THIS IS A TEST!!!!!!!!!!!!!!!!
Which events are NOT independent? Landing on heads after tossing a coin and rolling a 3 on a 6- sided number cube Choosing a marble from a jar and landing on tails after tossing a coin Choosing a 5 from a deck of cards replacing it and then choosing an ace as the second card ...
Thursday, May 14, 2015 by Priscilla

MATH PLEASE HELP
A single, standard number cube is tossed. What is the probability of getting a number other than 6? A. 1 B. 1÷3 C. 5÷6 D. 1÷6 A standard number cube with the numbers 1 through 6 is rolled. Find the probability of rolling a number less than 4 A. 1 ÷ ...
Thursday, May 14, 2015 by Priscilla

Math
The Pont du Gard near Nîmes, France, is a Roman aqueduct. An observer in a hot-air balloon some distance away from the aqueduct determines that the angle of depression to each end is 54° and 71°, respectively. The horizontal distance between the balloon and the ...
Thursday, May 14, 2015 by Frances

math
a ship leaves point A and travels 60 miles due east, then travels northward 59 degrees to point C, and travel 60 miles to point C, find the distance from point A to point C
Thursday, May 14, 2015 by jojo

Math
Simplify -5x-5y+3+x+2y-3.
Thursday, May 14, 2015 by Alex

math
A popular extreme activity is bungee jumping. A person whose ankles are attached to a bungee cord, jumps off a ledge and bounces upside-down in mid-air. Suppose a person jumps off the ledge and falls 122 ft before rebounding. Consider the point at which the person rebounds to ...
Thursday, May 14, 2015 by Anonymous

math
An insurance company wishes to examine the relationship between income (in $,000) and the amount of life insurance (in $,000) held by families. The company drew a simple random sample of families and obtained the following results: Family - Income - Amount of Life Insurance A...
Thursday, May 14, 2015 by lilly

Math
Whitney invested $25,000, part at 19% and part at 6%. If the total interest at the end of the year is $3,320, how much did she invest at 19% ?
Wednesday, May 13, 2015 by Tim

math
At Frugal Foods a loaf of bread cost about $1 in 1980. In 2013, the loaf of bread cost $2.50. 1.A ratio is a comparison of two amounts by division. What is the ratio of the cost of a loaf of bread in 2013 to the cost in 1980? *$2.50/1 2.Assuming the price of clothing increased...
Wednesday, May 13, 2015 by Julia

Math
The cost T, in hundreds of dollars, of tuition and fees at many community colleges can be approximately by T=1/4c+6,where c is the number of credits for which a student registers. Graph the equation and use the graph to estimate the cost of tuition and fees when a student ...
Wednesday, May 13, 2015 by Patricia

Math
Corey wants to buy grass seed for his yard, which measures 252 square feet. Each bag of grass seed covers 12 square feet. What fraction of his yard will one bag of seed cover?
Wednesday, May 13, 2015 by Amari

Math
Kelly makes fruit juice each morning. She uses 2 1/3 pints of strawberries and 1 2/5 pints of grapes in her juice. If she doubles her recipe, how many more points of strawberries than pints of grapes will she use?
Wednesday, May 13, 2015 by Sam

math
Wayne filled 5 glasses with 2/3 liter of soda in each glass. How much soda did Wayne use?
Wednesday, May 13, 2015 by autumn

Math @Reiny
Write the standard form equation for the following Ellipse. Use the information given below. Foci: (0,0) and (4,0) Major Axis of length 8
Wednesday, May 13, 2015 by Lucy

Math
The length and width of Nicole's laptop are 14 inches and 16 inches, respectively. What is the area covered by the laptop?
Wednesday, May 13, 2015 by Drequan

math
A salesperson's ratio of successful signups to the number of people called is  0.875.  This month, the salesperson had  175  signups. How many people did the salesperson call this month?
Wednesday, May 13, 2015 by zairan

math
a box is to be made by cutting out the corners of a square piece of cardboard and folding the edges up. if 3-inch squares are to be cut out of the corners and the box contains 243 cubic inches, what is the length of a side of the original cardboard square
Wednesday, May 13, 2015 by karen

Math
A rectangular prism has a high of 3 inches and a volume of 27 in³. the height of the prism is changed to 6 inches and the other dimension stay the same. what is the volume of the prism with this change?
Wednesday, May 13, 2015 by Jackie

Math
Q. Mr. Kincaid's class wants to plant 1/4 (fraction) of its 12-foot-square plot with tomatoes. Of the remaining garden, 1/3 will be pears. Of the rest of the plot,1/2 will be radishes, and 1/2 will be lettuce. How many square feet of radishes will the class plant.?
Wednesday, May 13, 2015 by Michelle

Math
Write the rule for this table as an equation. Write your answer as an equation with f first, followed by and equals sign z=3, f=50 z=4, f=61 z=5, f=72 z=6, f=83
Wednesday, May 13, 2015 by Romell

Math
1.) Write the standard form equation for the following Ellipse. Use the information given below. Foci: (0,0) and (4,0) 2.) Write the standard form equation for the following Hyperbola. Use the information below. Vertices (-2,1) and (2,1) Foci: (-3,1) and (3,1)
Wednesday, May 13, 2015 by Lucy

Math Check
Hi! Can someone check my answers? Thanks! Questions: 1.) What are all of the foci's for this Ellipse? (x-2)^2/3 + (y-2)^2/4=1 A.) (3,2) B.) (2,2) C.) (1,2) D.) (2,3) E. (2,1) My answer: B & E. 2.) What is the eccentricity for this Ellipse? A.) 2 B.) 1/2 C.) 3/4 D. 1 My ...
Wednesday, May 13, 2015 by Karen

math help please
Write each expression using a single component. X^9 ---- X^2 A.x^11 B.x^7 C.7 D.x^5 2. h^14 -------- h^5 A.h^-9 B. 1 --- h^9 C.h^19 D.h^9 My answers are 1.A, 2.C are they right?
Wednesday, May 13, 2015 by Anono

math
Find the area of the rectangle. The top is 7x+1, and the right side is 8x. A.15x+1 B.56x^2+8x C.56x+8 D.15x^2+9x Is the answer B?? Please help
Wednesday, May 13, 2015 by Anono

Math
For the solutions of 4tantheta = 5tantheta + sqroot3, can both these answers be acceptable? 120 + 180n -60 + 180n
Wednesday, May 13, 2015 by Anonymous

Math Ms.Sue???
Find the surface area of the cone. Use 3.14 for pi. The diameter is 8in and the height is 7in please help asap!! And thank you for your time. Ms.Sue?
Wednesday, May 13, 2015 by Ellie_Fan

math help please
Find the area of the Rectangel. . 7x+1 ------------- | |8x | | | | ------------- A.15x+1 B.56x^2+8x C.56x+8 D.15x^2+9x I don't know what to do please help me. I don't understand.
Wednesday, May 13, 2015 by nelly

Math
Find the surface area of the cone. Use 3.14 for pi. The diameter is 8in and the height is 7in please help asap!! And thank you for your time. Ms.Sue?
Wednesday, May 13, 2015 by Ellie_Fan

Math
Find the surface area of the cone. Use 3.14 for pi. The radius is 8in and the height is 7in please help asap!! And thank you for your time. Ms.Sue?
Wednesday, May 13, 2015 by Ellie_Fan

math
a bicycle wheel has a diameter of 63cm.calculate how many times the wheel turns round in travelling 19.8km.use the value 31/7 for pie
Wednesday, May 13, 2015 by fortune

math help please
Find the product. -3m(m+8) A.-3m^2+42 B.-3m^2-24m C.-24m^2 D.-4m+5 Is the answer B??
Wednesday, May 13, 2015 by gwen

math
Find the product. (2x)(10x) A.20x B.12x C.20x^2 D.-5x Is the answer A?? Thanks
Wednesday, May 13, 2015 by nelly

Math
the probability of having a winning raffle ticket is 15%. If you bought 40 tickets, how many winning tickets should you expect to have? A: 3 B: 6 C: 15
Wednesday, May 13, 2015 by tobeymaguire

Math
2. A researcher tagged 40 giant turtles in 2008. In 2009 she returned and captured 50 turtles, 16 of which were tagged. in 2010 she returned again and captured 30 turtles 8 of which were tagged. a: Use a proportion to estimate the turtle population for 2009 b: Use a proportion...
Wednesday, May 13, 2015 by Sam

math
Julius has a garden that has dimensions of 12 ft by 20 ft. Julius needs more room to plant some peppers, and determines the garden will need a new area of 360 square feet. How much should he increase the length and width by, if
Wednesday, May 13, 2015 by bebe

Math
Two ladders are the same distance from the base of a wall. The longer ladder is 15m long and makes an angle of 58 with the ground. if the shorter ladder is 12.6m long, what angle does it make with the ground?
Wednesday, May 13, 2015 by Emily

Math
If Nathan saves 35% on a $22.50 dress shirt how much did he save?
Wednesday, May 13, 2015 by Abby

math
Write an expression to describe a rule for the sequence. Then find the 100th term in the sequence. 3,10,17,24,31,38... A. n+7;707 B. 7n;700 C. 7n-4;696 D. 6n-4;596
Wednesday, May 13, 2015 by bibby

Math
A drawer contains 2 red socks, 3 white socks, 3 blue socks. Without looking , you draw out a sock, then return it, and draw a second sock. What is the probability that the first sock is blue and the second is red? 3/8, 2/5, 29/32, 3/32 I chose 3/8 is that correct
Wednesday, May 13, 2015 by Awesome

Math
a standard number cube is rolled 180 times. Predict how many times a 3 or 5 will be the result. 31 times 60 times 57 times 30 times I chose 31 times Is that correct i would appreciate your help
Wednesday, May 13, 2015 by Awesome

Math
For the solutions of 4tantheta = 5tantheta + sqroot3, can both these answers be acceptable? 120 + 180n -60 + 180n
Wednesday, May 13, 2015 by Anonymous

Math
If no digit may be used more than once, how many 5 digit numbers can be formed using only the digits 3,8,1,2,5 and 7? my answer is 360
Wednesday, May 13, 2015 by Awesome

  1. Pages:
  2. <<Prev
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. Next>>

Members