Monday
August 3, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

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

Math
Find all the solutions of 5sintheta - 4 = 2sintheta - 4 in 0 to 2pi. 0, pi, and 2pi?
Wednesday, May 13, 2015 by Anonymous

Math
Please show how 7/8 is greater than, less than, or equal to 7/24. Thanks
Wednesday, May 13, 2015 by Karen

Geometry/Math
Two right circular cylinders have equal volume. The first cylinder has a radius of 6 inches and a height of 12 inches. What is the number of inches in the height of the second cylinder if its radius is 8 inches? Express your answer as a common fraction, without units.
Wednesday, May 13, 2015 by Amanda

Math
Hi there! I am so confused about these questions if anyone could help that would be great. 1. Simplify. x+5/x^2+6x+5 A) 1/x+1; where x= -1*** B) 1/x+1; where x=-1,-5 C) 1/x-5; where x=5 D) x-5 2. Simplify. x^2+3x-4/x+4 A) 1/x-4; where x=4 B) x-4 C) x-1; where x=1 D) x-1; where...
Wednesday, May 13, 2015 by Tia

MATH I NEED HELP
Game wardens use experiments to help determine the number of deer in the state of North Carolina. Suppose 120 deer are caught, tagged, and released into the wild. A month later, 800 deer are caught with 16 found to have tags. Using this information, estimate the number of ...
Wednesday, May 13, 2015 by Caleidoscope

Math
Zoe's gross income is $16,960. His medical expenses for the year amounted to $812.35. If he can deduct only the amount over 7 1/2% of his gross income for medical expenses, how much can he deduct for medical expenses?
Wednesday, May 13, 2015 by Caleb

Math
Rad makes six payments a year of $175.50 for his auto insurance. How much must he budget weekly to cover this fixed expense? a. $20.25 b. $43.88 c. $1,053 d. $87.75 Rod makes six payments a year of $150 for his auto insurance. How much must he budget weekly to cover this fixed...
Wednesday, May 13, 2015 by Caleb

Math
Show that the equation x = 1/5(x^4 +2) has two real roots, both of which are positive. Evaluate the smaller root correct to 3 decimal places, using Newton‘s method.
Wednesday, May 13, 2015 by Anonymous

Math
By drawing suitable sketches, state the number of (i) positive, (ii) negative roots of the following equation x+1 = cos x .
Wednesday, May 13, 2015 by Anonymous

Math
Prove, by mathematical induction, or otherwise, that 1*1!+2*2!+3*3!+…+n*n!=(n+1)!-1
Wednesday, May 13, 2015 by Anonymous

Math
Carl borroowed $2,500 for six months at an annual interest rate of 11%. How much must he repay at the end of six months? a. $275 b. $2,637.50 c. $87.50 d. $2,762.50 Please show all steps needed to get answer in simple terms.
Wednesday, May 13, 2015 by Caleb

math
Jenny has a problem where she has to measure an angle that is drawn on the paper. She is going to use this protractor to do so. How precise can she be?
Wednesday, May 13, 2015 by Anonymous

math
Q2. An agriculture field is rectangular,with dimensions 100m by 42m.A 20m deep well of diameter 14m is dug in acorner of the field and the earth taken out is spread evenly over the remaining part of the field. Find the increase in the level of the field.
Wednesday, May 13, 2015 by tarekegn

math
A40m deep well with radius 3.5m is dug and the earth taken out is evenly spread to form aplateform of dimension 28m by 22m.find the height of the platform.
Wednesday, May 13, 2015 by tarekegn

Math
Find the numerical value of the coefficient x^11 in the expansion of (x^2+1/x)^10 in the powers of x.
Wednesday, May 13, 2015 by Anonymous

math
the cost of painting the circular traffic sign shown below is $3.50 per square foot.how much,to the nearest dollar,will it cost to paint the sign if its diameter measures 36 inches?
Wednesday, May 13, 2015 by dev

Math
A ball is dropped from a height of 16 feet. Each time the ball dropped h feet, it rebounds 0.81h feet. Find the total vertical distanced travelled by the ball.
Wednesday, May 13, 2015 by Anonymous

Math
The sixth term of an arithmetic sequence is 20.6 and the 9th term is 30.2. Find the 20th term and find the nth term.
Wednesday, May 13, 2015 by Anonymous

Math: Line Symmetry and Reflection
1. The point c(x,y) is reflected over the x-axis. Use arrow notations to describe the original point and its reflection. a. (x,y) --> (x,2y) b. (x,y) --> (-x,y) c. (x,y) --> (-x,-y) d. (x,y) --> (x,-y) ** 2. What is the correct description for the translation of A ...
Wednesday, May 13, 2015 by Jazmine

Math
How to find the zeros of -16t^2 + 200 = 0?
Wednesday, May 13, 2015 by Anonymous

Math
What are all the solutions for 4sintheta + 1 = 2sintheta from 0 to 2pi? Would it be 7pi/6 and 11pi/6?
Wednesday, May 13, 2015 by Anonymous

Math
The number of sequence is 17 ,the second is 3.what is the first number?
Wednesday, May 13, 2015 by Christopher

math
If 24 students in a class of 30 students were present what percent of the students were absent
Wednesday, May 13, 2015 by keona

grade 5 math
a great white loses teeth and grows new teeth if a shark lost 240 of its 3,000 teeth in one year what percent of teeth did it lose? Pls help !,!
Wednesday, May 13, 2015 by Art

Math
Ob a multiple choice exam with 25 questions , the instructor scored the exams as follows: 4 points for each correct answer. What was the score of a student who had 14 correct answers , 3 blank answers, and 8 wrong answers?
Wednesday, May 13, 2015 by Preia

Math
What is the rate of interest charged if a 9 month loan of $1200 is paid off with with $1312.50?
Wednesday, May 13, 2015 by Preia

Math
The sum of three consecutive odd numbers is 615? Find the numbers.
Wednesday, May 13, 2015 by Preia

Math
An auto dealer paid $ 4195.25 for a large order of special parts. This was not the original price. The amount paid reflects a 3% discount off the original price because the dealer paid cash. What was the original price of the parts?
Wednesday, May 13, 2015 by Preia

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