Saturday
August 1, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

math
The areas of two similar triangles are 144cm square and 81cm square. If one side of the first triangle is 6cm, what is the length of the corresponding side of the second?
Sunday, May 17, 2015 by tarekegn

math
find the perimeter and area of asegment of acircle of radius 8cm, cut off by achord that subtends acentral angle of: A,120 B,3/4 paiy radians
Sunday, May 17, 2015 by tarekegn

math
Aglass cylinder with aradius of 7cm has water up to aheight of 9cm. Ametal cube of 5.5cm edge is immersed in it completely. Calculate the height by which the water rises in the cylinder.
Sunday, May 17, 2015 by tarekegn

Math
A shaded rectangle is 4ft by 6ft. Within the rectangle is another white rectangle 2 ft by 1 1/2 ft . What is the area of the rectangle that is not white?
Sunday, May 17, 2015 by Parker

Math
A court is 94ft long by 50ft wide. It has 3 circles each 12ft diameter. Two of the circles are at the free throw line and the third is at the center of the court. Within the 3rd circle is another circle with a radius of 2ft.The key is rectangular region on the court from the ...
Sunday, May 17, 2015 by Kimberly

Math
What is “a, b and c” in this hyperbola? (y-2)^2/5-(x-3)^2/6=1
Saturday, May 16, 2015 by Heather

Math
The key is the rectangle region on the basketball court from the free throw line to the backboard. The backboard is 4 feet from the baseline. The key is 12 feet by 19 feet with a composite circle as the free throw line. Is the key similar to the basketball court? Is the inner ...
Saturday, May 16, 2015 by J.J.

Math
Jerome claims he can find the area of the composite shape shown by inscribing it in a rectangle and subtracting. Kelly claims that to find the area you need to use addition. Who is correct? Justify your answer.The picture looks like a 2 sided pointed pencil with 6 sides. The ...
Saturday, May 16, 2015 by Ann

Math
The rim of the basket has a radius of 9 inches. What is the approximate circumference of the basket? Use pi equals 3.14. Explain why 3.14 is used when finding the circumference of a circles.
Saturday, May 16, 2015 by Kimmy

MATH
WRITE A WORD PROBLEM FOR THE EQUATION 12N-45=504.
Saturday, May 16, 2015 by L

MATH
TO MIX A PUNCH, LINDSAY BEGINS WITH 3 LITERS OF LEMON-LIME SODA AND ADDS 1,893 MILLILITERS OF CRANBERRY JUICE. HOW MANY 250 ML GLASSES OF PUNCH CAN BE SERVED. ROUND TO THE NEAREST TEN.
Saturday, May 16, 2015 by LIN

MATH
TO MIX A PUNCH, LINDSAY BEGIN WITH LITERS OF LEMON-LIME SODA AND ADD 1,893 MILLILITERS OF CRANBERRY JUICE. HOW MANY LITERS ARE IN THE PUNCH BOWL WHEN THE PUNCH IS COMPLETED.
Saturday, May 16, 2015 by EDDIE

math
HOMEOWNERS IN UNITED STATES USE MORE THAN 15 MILLION POUNDS OF PESTICIDES ON THEIR LAWNS EVERY YEAR. CONVERT THIS RATE TO OUNCES PER DAY ROUNDED TO THE NEAREST WHOLE NUMBER.
Saturday, May 16, 2015 by Edward

math
a man holds a note of $6,000 that has an interest rate of 13% annually the note was made on march 17 and is due november 11 he sells the note to a bank on june 14 at a discount rate of 12% annually find the proceeds on the third-party discount rate. Ok now I m a little confused
Saturday, May 16, 2015 by A

math
People in the United States throw away 2.5 million plastic bottles per hour. How many bottles per year are thrown away.
Saturday, May 16, 2015 by linda

math
A man makes a simple discount note with a face value of $2,200, a term of 140 days, and a 9% discount rate. Find the discount.
Saturday, May 16, 2015 by A

math
I borrowed $10,000 on a 120-day note that required ordinary interest at 12.19% I paid $5,000 on the note on the 60th day how much interest did I save by making the partial payment
Saturday, May 16, 2015 by A

math
find the adjusted balance due at maturaty for 90 day note of $12,000 at 13.1% ordinary interest if a partial payment of $60,000is made o\n the 60th day of the loan
Saturday, May 16, 2015 by A

math
The sum of the first 15 terms of an arithmetic series is 1290. The sum of the first 16 terms is 1464. Find t16? Find S20
Saturday, May 16, 2015 by Yiu

Math
How can i Describe how the products of the light phase of photosynthesis are used to form a glucose molecule and how this molecule is broken down in the cell of a plant to release energy. Thanks in advance
Saturday, May 16, 2015 by Jonase

Math
The cost of one swimming lesson for various numbers of students is given in the table below. How much would each student have to pay for a swimming lesson in a group of 6 students? # of students Total Cost 1 $40.00 2 $50.00 3 $60.00 4 $70.00 I think the answer is total $90.00 ...
Saturday, May 16, 2015 by Kyle

math
The sum of the first 15 terms of an arithmetic series is 1290. The sum of the first 16 terms is 1464. Find t16? Find S20
Saturday, May 16, 2015 by rose

Math
I need help correcting my math homework. I have been out sick and was told that I have to have it done by monday and I missed alot. I don't know how to do this. It's surface areas and volume and solids and triangle and prisms.
Saturday, May 16, 2015 by Asa

math
find the marturity value of the loan of $2,300.00 after three years. the loan carries a simple interest rate of 7.3% per year. I came up with $503.70 but not sure if thats right
Saturday, May 16, 2015 by A

math
find the interest paid on a loan $2,200 for three years at a simple interest rate of 9% per year what is the interest on the loan
Saturday, May 16, 2015 by A

Math
What is “a, b and c” in this ellipse? x^2/9+y^2/4=1
Saturday, May 16, 2015 by Heather

math
is the area of ANY triangle 1/2 b x h ?
Saturday, May 16, 2015 by mariah

math
125 e^(8sin2t) differentiation
Saturday, May 16, 2015 by gkfg

Math natural logarithms
The efficiency e of a gasoline engine as a function of its compression ratio r is given by e =1− r^(1−γ) , where γ is a constant. Find γ for e = 0.55 and r = 7.5
Saturday, May 16, 2015 by barry

Math
The vertical backboard located 4ft from the baseline supports the rim of the basketball net. The backboard measures 6ft wide by 4ft high. The shooter's square is a white box above the rim of the basket. It must measure 1 1/2 ft high and 2ft wide. What is the area of the ...
Friday, May 15, 2015 by Robert

Math
A court is 94ft long by 50ft wide.It contains 3 circles, each with a diameter of 12 ft. Two of the circles are located at the free throw line with "half of each circle shaded" and the third circle is at the center. Within the third shaded circle is another circle (...
Friday, May 15, 2015 by Parker

math
A sphere has a volume of 36π cubic meters. The rate of change in volume is 9π cubic meters per minute. Find the rate of change in area of the sphere
Friday, May 15, 2015 by Anonymous

math
what is the SURFACE area of a triangular pyramid with the following measurements 3x3x3? Thank you.
Friday, May 15, 2015 by erynn

Math
The key is the rectangle region on the basketball court from the free throw line to the backboard. The backboard is 4 feet from the baseline. Is the key similar to the basketball court? Explain. Is the inner circle similar to the entire circle in the center of the court? ...
Friday, May 15, 2015 by J. J.

MATH
HI. THE REGION INCLUDING THE CIRCLE AT THE FREE-THROW LINE TO THE BASELINE IS GIVEN. FIND THE AREA OF THE REGION. USE PI AS 3.14. IN THE PICTURE GIVEN, ITS 12 FEET BY 19 FEET RECTANGLE WITH A CIRCLE INTERSECTION AS A FREE-THROWN LINE.
Friday, May 15, 2015 by KIMBER

math
what is the area of a triangular pyramid with the following measurements 3x3x3? Thank you.
Friday, May 15, 2015 by erynn

math
The apothem of a regular polygon is the distance from the center to any side. If the length of the apothem remains constant at 10 inches, the formula for the perimeter of a regular polygon as a function of the number of sides is ( ) ( )( ). As the regular polygon changes from ...
Friday, May 15, 2015 by Anonymous

Math
Whenever w is an integer greater than 1, log(w) w^2 / w^6 =? F. -4 G. -3 H. -1 / 3 J. 1 / 3 K. 3
Friday, May 15, 2015 by Anonymous

math
**Problem 3: Create a linear function (y=mx+b) and graph the line for the following set of data. x | y 2 | 1 4 | 2 6 | 3 First, use the slope formula to find slope: (y2-y1)/(x2-x1) Then, put the slope (m), a 'y' point, and matching 'x' point into the formula y=...
Friday, May 15, 2015 by kelly

Math- probability
In a city, every day is either cloudy or sunny (not both). If it's sunny on any given day, then the probability that the next day will be sunny is 3/4. If it's cloudy on any given day, then the probability that the next day will be cloudy is 2/3. a) In the long run, ...
Friday, May 15, 2015 by Anonymous

Math
What is the eccentricity for this ellipse? x^2/9+y^2/4=1
Friday, May 15, 2015 by Raina

Math
The mean of 4 numbers is 32. The smallest of the 4 numbers is 5. What is the mean of the other 3 numbers? F. 30 3 / 4 G. 32 H. 36 J. 41 K. 42 2 / 3
Friday, May 15, 2015 by Anonymous

Math Check
Hi! Can someone check my answer for this question? Thanks! Question: List the following circles in order based of their radius. List them from smallest to largest. A.) x^2+y^2-6x+8y-9=0 B.) (x-3)^2=9-(y+4)^2 C.) (y+4)^2=3-(x-3)^2 D.) (x-3)^2+(y+4)^2=1 My answers: d,b,c,a
Friday, May 15, 2015 by Susie

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

  1. Pages:
  2. <<Prev
  3. 7
  4. 8
  5. 9
  6. 10
  7. 11
  8. 12
  9. 13
  10. 14
  11. 15
  12. 16
  13. 17
  14. 18
  15. 19
  16. 20
  17. 21
  18. Next>>

Members