Monday

August 3, 2015

August 3, 2015

**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 − 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 − 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*