Saturday

August 23, 2014

August 23, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**Math**

A spinner numbered 1-10 is spun. what is the probability of spinning a multiple of 3 and a multiple of 2?
*Sunday, May 11, 2014 at 9:31am*

**math**

If Tom buys a red skateboard, then Anne buys pink in-line skates." Which statement below is logically equivalent?
*Sunday, May 11, 2014 at 2:10am*

**math**

If you needed to make a key business decision, explain what information you would want to review and why.
*Saturday, May 10, 2014 at 11:40pm*

**math**

On which of the following types of income would you normally have income tax withheld?
*Saturday, May 10, 2014 at 10:55pm*

**math**

2. Over 75% of the revenue received by the federal government is from ____ and ____ taxes. a. sales and income b. income and excise c. Social Security and estate d. estate and sales e. income and Social Security
*Saturday, May 10, 2014 at 10:25pm*

**math**

____ income is subject to federal taxes. Gross Adjusted gross Net Taxable
*Saturday, May 10, 2014 at 10:22pm*

**Math Literacy, Business Studies, Economics& Tourism**

Im in grd12 and would like to know which available courses are there for these subjects and which career can I get into. #Urgent
*Saturday, May 10, 2014 at 9:40pm*

**math**

Over 75% of the revenue received by the federal government is from ____ and ____ taxes.
*Saturday, May 10, 2014 at 9:19pm*

**Math**

Simplify so it is one fraction. (8x/(x-8)) - (4/(x-8)) (8x - 4)/(x - 8)?
*Saturday, May 10, 2014 at 8:42pm*

**math need help urgent**

Mr. Michaluk has a $50,000 personal (revolving) line of credit with the Canadian Imperial Bank of Commerce (CIBC). The loan is on a demand basis at a floating rate of prime plus 1.5%. On the fifteenth of each month, a payment equal to the greater of $100 or 3% of the combined ...
*Saturday, May 10, 2014 at 5:39pm*

**math**

Divide: 12x^2y - 6xy + 4x^2 ____________________ 2xy Thank you!!
*Saturday, May 10, 2014 at 4:55pm*

**Math 6 **

n ice cream stand sells chocolate, vanilla, and strawberry ice cream as well as a choice of 22 toppings. How many choices are there for a single flavor of ice cream with one topping? How do I do this? is it 46 choices? Am I right?
*Saturday, May 10, 2014 at 2:54pm*

**math 7Probability help**

two numbers rolled can be added to get a sum. Find P(sum is even) is it 1/4 ? or 1/2? I think it is 1/4
*Saturday, May 10, 2014 at 2:29pm*

**Math 222**

How do you subtract and write 1/2-3/4 in simplest form. I am stuck can anyone help me. this is what i cam up with. 1 3 2 -- - = - 2 4 2 I am not sure if this is correct.
*Saturday, May 10, 2014 at 1:59pm*

**math**

at the beginning of the year,Daniel was 62 inches tall. Now he is 66 inches tall. Find the percent of change
*Saturday, May 10, 2014 at 12:55pm*

**Science/Math**

A water jet approximately 10ft in length & 6-7 inches in diameter traveling @ mach3.5-4.5 hitting an object traveling @ mach 5, 10-15ft in length with a weight of 2500 lbs can its course of travel be altered, and/or can said object be destroyed completely?
*Saturday, May 10, 2014 at 12:27pm*

**MAth **

4. What is the slope of the line that goes through (6, 5) and (3, 1)? (1 point) – – 5. The slope of the line that goes through (−3, −5) and (−3, −6) is ______. (1 point)
*Saturday, May 10, 2014 at 10:33am*

**math**

The average of P numbers is x and the average of N numbers is y. What is the average of all the (P+N)numbers? a. x+y/2 b. x+y c. Py+Nx/xy(P+N) d. x+y/P+N e. Px+Ny/P+N
*Saturday, May 10, 2014 at 10:27am*

**math**

If a and b are both positive numbers,and a>b,which of the following could be true? I. ab is greater than either a or b. II. ab is greater than b but less than a. III. ab is less than either a or b. (A) I only (B) II only (C) III only (D) I and II only (E) I,II,and III
*Saturday, May 10, 2014 at 10:22am*

**Math**

Solve for the inequality: 1/3^x (1/3^x - 2) < 15 I know the answer is x > - (log 5/log 3), can someone explain me how?
*Saturday, May 10, 2014 at 7:13am*

**Math**

Expand (1+y+ky^2)^8 until y^3
*Saturday, May 10, 2014 at 1:08am*

**math**

R and T are points on straight line PQ on which PR = RT =TQ. what percent of PT is PQ ?
*Saturday, May 10, 2014 at 12:31am*

**math**

If 20 teachers in a faculty of 80 are transferred,what percent of the original faculty remains?
*Saturday, May 10, 2014 at 12:29am*

**Math (Calculus)**

Determine the area of the region y=e^x,y=x^3
*Friday, May 9, 2014 at 11:50pm*

**Math**

If a circle is inscribed in a triangle with vertex angles 30o - 60o - 90o , then what is the area of the triangle divided by the area of the circle?
*Friday, May 9, 2014 at 11:21pm*

**Math (Calculus)**

Use the disc method to find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the indicated line. y=x^3, y=0, x=2 a)the x-axis b)the line x=4
*Friday, May 9, 2014 at 11:04pm*

**math**

income is subject to federal taxes
*Friday, May 9, 2014 at 10:43pm*

**math**

Your income tax withholding is dependent on
*Friday, May 9, 2014 at 10:42pm*

**math**

What is the area of a parallelogram where the base= 3x+1 and the height= 9. I know the area is base*height but does that mean you distribute the 9?
*Friday, May 9, 2014 at 10:42pm*

**Math**

In a circle whose radius is 13 cm, a central angle intercepts an arc that measures 65o. What is the arc length? Round your answer to the nearest hundredth of a centimeter.
*Friday, May 9, 2014 at 10:22pm*

**Math**

The radius of the inscribed circle is 5. If the length of the hypotenuse of the right triangle ABC is 19, what is the perimeter of the triangle?
*Friday, May 9, 2014 at 10:22pm*

**Math**

What's the answer to 1^2-(2-x)^2=2^2-x^2 The answer said x =7/4 But no matter how I tried. I couldn't get that
*Friday, May 9, 2014 at 9:33pm*

**Math**

n-2n^2=0
*Friday, May 9, 2014 at 9:20pm*

**math**

Marley drives to work every day and passes two independently operated traffic lights. The probability that both lights are red is 0.35. The probability that the first light is red is 0.48. What is the probability that the second light is red, given that the first light is red?
*Friday, May 9, 2014 at 8:42pm*

**Math**

For the first of two basketball games the price of each reserved seat was $1.50,the price of each unreserved seat was 5 cents, and the number of reserved seats sold was 1/25 of the number of unreserved seats sold.If, at a second game, the price of the reserved seats is to be ...
*Friday, May 9, 2014 at 7:38pm*

**Math**

Simplify!! 54 a^2 b^3 ___________ 81 a^3 b^2 Choices are:: A. 2/3 a^2 b B. 2a^2 ____ 3b
*Friday, May 9, 2014 at 7:09pm*

**math**

An industrial machine made 63 shirts. If it takes 7 minutes to make each shirt, how many minutes was it working. A. 63+7 B.63-7 C.63x7. My answer is C.
*Friday, May 9, 2014 at 7:07pm*

**Math**

12.5 of 180 = ?
*Friday, May 9, 2014 at 6:46pm*

**Math**

Is 0.67676768 a terminate or a repeat ?
*Friday, May 9, 2014 at 6:10pm*

**Math ~ Check Answers ~**

#5 X: 0, 1, 2, 3 Y: -4, -3, -2, -1 a.) -1 b.) 1 c.) -4 d.) -7 (My Answer)*** #6 X: -1, 0, 1, 2 Y: -4, -1, 2, 5 a.) -5 b.) -3 (My Answer)*** c.) -1/3 d.) 3
*Friday, May 9, 2014 at 5:18pm*

**math**

The grade 8 class at Wheatly Middle School sold 77 boxes of almond chocolates. This is 22% of all the boxes of chocolate sold. a) Estimate the total number of boxes sold. b) Calculate how many boxes were sold.
*Friday, May 9, 2014 at 4:28pm*

**Math**

Identify the sequence as arithmetic, geometric, or neither. Explain your answer. 1.6, 0.8, 0.4, 0.2 . . .
*Friday, May 9, 2014 at 4:09pm*

**math**

The enrollment in a university is now 52,500, an increase of 5% over the enrollment last year.By how many students did the enrollment increase this year? a. 2500 b. 47,500 c. 50,000 d. 55,000 e. 57,750 f. 60,000
*Friday, May 9, 2014 at 2:27pm*

**math**

If the operation # is defined by the equation x # y = 2x + y,what is the value of a in the equation 2 # a = a # 3 ? a. 0 b. -1 c. 1 d. 1.5 e.-1.5 f. 2
*Friday, May 9, 2014 at 2:21pm*

**math**

Four similar glass tumblers just fit into a cubical box.The area of the top of the circular cover of any one of the tumblers is 4 pi.The area of each side of the box is a. 16 b. 32 c. 32 pi d. 64 e. 64 pi please answer and explain
*Friday, May 9, 2014 at 2:05pm*

**math**

George has 6 black pens, 4 red pens, and 12 pencils in his desk drawer. If he reaches into his desk drawer and randomly selects something to write with, what is the probability that he will grab a pen?
*Friday, May 9, 2014 at 1:59pm*

**math**

can you help me out with this one Ms. Sue Explain how to write a function rule from the table below. Then write the function rule. x 2 4 6 y 1 0 -1
*Friday, May 9, 2014 at 1:55pm*

**math**

The ratio of boys to girls in a senior class is 5:3. If 9/10 of the boys may graduate and all the girls may or may not graduate, what is the maximum part of the senior class that may graduate? a. 3/5 b. 7/8 c. 15/16 d. 2/3 e. 27/50 please answer and explain
*Friday, May 9, 2014 at 1:49pm*

**math**

Given a circle A whose diameter is 2 ft.and a rectangular piece of tin B,10ft by 4 ft.Find, correct to the nearest square foot, the tin that will be left after the greatest possible number of circles of the size of A have been cut from B. a. zero b. 1 sq.ft c. 2 sq.ft d. 9 sq....
*Friday, May 9, 2014 at 1:46pm*

**math **

19. a prototype rocket burns 159 gallons of liquid hydrogen fuel each second during a regular launch. Make a table that shows how many gallons of fuel are burned after 2,3,5 and 10 seconds. (3 points) can you help me Ms.Sue
*Friday, May 9, 2014 at 1:29pm*

**Math**

Wellesville must meet a budget of $27,000. All of the city's income is derived from property tax. What rate of tax must they use if the assessed value of the taxable property is $1,173,913? (Answer to tenths) how do you work this out?
*Friday, May 9, 2014 at 1:26pm*

**Math**

Susan's property is assessed at $27,500. The property tax rate in her city is 3.25%. Find her property tax. how do i find it?
*Friday, May 9, 2014 at 1:25pm*

**math**

In triangle ABC, AB=2 square root 2, BC=8,angle ABC=45 degrees.Find area ABC. a. 4 square 2 b. 8 c. 8 square 2 d. 16 e. 16 square 2 please answer and explain
*Friday, May 9, 2014 at 1:20pm*

**math**

A picture 15 inch x 30 inch is surrounded by a mat 2 inch wide.The aea of the mat in swuare inches is a. 60 b. 94 c. 124 d. 128 e. 196 I know the answer is e, but i don't know how to do it, anyone can tell me how to do it, thank you
*Friday, May 9, 2014 at 12:49pm*

**math**

A cow is attached to a rope 10 feet long in a pasture bordered by two fence( more than 10 feet long) meeting at an angle of 60 degree. What is the area of the space in which the cow is grazing? a. 20 pi b. 5 pi /3 c. 20 pi /3 d. 50 pi /3 e. 100 pi please answer and explain
*Friday, May 9, 2014 at 12:30pm*

**Math**

For amounts between $10,000 and $24,999, a credit union pays a rate of 2.5% on term deposits with maturities in the 91- to 120-day range. However, early redemption will result in a rate of 1.75% being applied. How much more interest will a 91-day $20,000 term deposit earn if ...
*Friday, May 9, 2014 at 12:12pm*

**math **

ABCD is a rectangle. If AC = 2(5a + 1) and BD = 2(a + 1), find the length of each diagonal.
*Friday, May 9, 2014 at 10:02am*

**math**

Suppose that you are taking a course that has three exams which count for three-fifths of your grade and a final which counts for two-fifths of your grade. On your first three tests your scores on were 84, 72, and 96. To get an B in the course, you must have an average of at ...
*Friday, May 9, 2014 at 9:07am*

**MATH**

Please help I am supposed to verify that cot^2x+tan^2x =sec^2xcsc^2x-2 I just can't seem to get the two equations to equal to each other.
*Friday, May 9, 2014 at 7:17am*

**math**

Naomi has 50 red beads and white beads together the # of red beads is 1 more than 6 times the# of white beads how many red beads does naomi
*Friday, May 9, 2014 at 6:06am*

**Math**

Billy is riding on a 20 meter diameter Ferris wheel that is making 3 revolutions per minute. What are your linear velocity and your angular velocity? If there are 8 equally spaced seats on the ferris wheel then what is the length of the arc between two adjacent seats?
*Friday, May 9, 2014 at 5:38am*

**math**

Katy babysat to make some money, but Katy has not worked any hours so (x=0), she has not earned any wages so (0,0) would be one coordinate. Katy earns 10 dollars an hour. She then worked 3 hours, so she now has $30.00, so (3,30)is another point. Katy worked 15 hours earning ...
*Friday, May 9, 2014 at 12:12am*

**maTH**

I NEED HELP REALLY BAD 5. Directions: Select all the correct answers. Nancy is studying constellations in science class. Two things are strongly supported by all random samples of the number of stars in a constellation. Most constellations have from three to seven stars in ...
*Thursday, May 8, 2014 at 11:46pm*

**Math (Calculus)**

Use the shell method to set up and evaluate the integral that gives the volume of the solid generated by revolving the plane region about the y-axis. y=4-x^2, y=0
*Thursday, May 8, 2014 at 10:55pm*

**Math (Calculus)**

Use the shell method to find the volume of the solid generated by revolving the plane region about the indicated line. y=4x-x^2, y=0, about the line x=5
*Thursday, May 8, 2014 at 10:53pm*

**Math (Calculus)**

Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the y-axis. (Use Disc Method) y=3(2-x), y=0, x=0
*Thursday, May 8, 2014 at 10:52pm*

**math**

Telephone company A charges $3.00 for the first minute of any long distance call and $0.50 for each additional minute. Telephone company B charges $2.00 for the first minute of any long distance call and $0.70 for each additional minute. If the cost of a call lasting x minutes...
*Thursday, May 8, 2014 at 10:37pm*

**Math**

How is 1/(x-2) = (2x - 6)/(x + 6) + 1 rewritten as 1/(x - 2) = 3x/(x + 6)? I don't understand.
*Thursday, May 8, 2014 at 10:14pm*

**math**

A picture 16" x 24" has a frame 1" wide.Approximately how many times greater than the area of the frame is the area of the picture? a. 5 b. 45 c. 48 d. 80 e. 84 please answer and explain
*Thursday, May 8, 2014 at 10:09pm*

**math**

Abe can mow the lawn in 15 minutes.Ben can mow the lawn in 20 minutes.Carl can mow the lawn in 30 minutes.They work together for 5 minutes.What part of the lawn was mowed? a. 1/4 b. 2/3 c. 3/4 d. 4/5 e. all of it please answer and explain
*Thursday, May 8, 2014 at 10:03pm*

**Grade 12 Math**

if a and b are unit vectors, and magnitude of vectors a +b = sq. root of 3, determine (2a-5b) dot (b+3a).
*Thursday, May 8, 2014 at 9:34pm*

**math**

A 40m deep well with radius 3.5m is dug and the earth taken out is evenly spread to form a plat form of dimension 28m by 22m. Find the height of the platform.
*Thursday, May 8, 2014 at 9:30pm*

**math**

Some friends share a pizza.if they cut the pizza into fourths, will the slices be larger or smaller than if they cut the pizza into halves?
*Thursday, May 8, 2014 at 9:25pm*

**Math**

Three dimes to five nickels ratio if three to five total 120 coins how many are fimes
*Thursday, May 8, 2014 at 9:06pm*

**Math**

3. What are the next three terms of the sequence 6, 12, 18, 24 a; 28, 34, 40 b; 30, ,34, 38 c; 30, 36, 44 d; 30, 36, 42 --------------------------- 14. The sale price of ground beef at a local grocery store is $1.49 for the first pond and $1.09 for each additional pound. Which...
*Thursday, May 8, 2014 at 9:04pm*

**Math**

Dorothy and Rosanne are baking cookies for a party. Working alone, Rosanne can finish the cookies in 6 hours. Dorothy can finish them in 8 hours if she is working alone. How long will it take them to bake the cookies if they are working together? Round your answer to the ...
*Thursday, May 8, 2014 at 8:54pm*

**Math**

I know some of these are really simple, and I can figure them out easy enough, but please answer all questions. I'm learning this subject, but I have to complete the entire school year within a month and I'm up to my head in homework and I just don't have time to ...
*Thursday, May 8, 2014 at 8:45pm*

**Math - Pleeeease**

Two planes take off at a ny airport. The first plane climbs at an angle of 45 degrees with respect to the ground and reaches an altitude of 5600 feet. The second plane climbs at an angle of 60 degress with respect to the ground and reaches an altitude of 8200 feet. To the ...
*Thursday, May 8, 2014 at 8:37pm*

**Math**

1-)A passenger boat which travels 6 mph faster than a freighter required 3 days less time to make a trip of 2592 miles. Find the rate of the passenger boat. 2-)For the first of two basketball games the price of each reserved seat was $1.50,the price of each unreserved seat was...
*Thursday, May 8, 2014 at 8:24pm*

**Math**

How is 1/(x-2) = (2x - 6)/(x + 6) + 1 rewritten as 1/(x - 2) = 3x/(x + 6)? I don't understand.
*Thursday, May 8, 2014 at 8:22pm*

**math**

A room is18 ft long 14 ft wide and 8 ft high. Find the cost of carpeting the floor with carpet $5\ft2
*Thursday, May 8, 2014 at 8:17pm*

**math**

There were 744 tickets sold for a basketball game. The activity cardholder's tickets cost $1.75 and the non-cardholders tickets cost $2.25. The total amount of money collected was $1477.50. How many of each kind of ticket were sold?
*Thursday, May 8, 2014 at 8:12pm*

**math**

What magic trick dies mr.utterbunk perform every evening
*Thursday, May 8, 2014 at 8:08pm*

**Math**

Eva is making bran muffin. She measures5/4 cups of bran, 1/4 cup of flour, and 7/4 cups of oats. What is the order of the ingredients from least to greatest amounts?
*Thursday, May 8, 2014 at 7:44pm*

**Math Word Problem %**

lisa spend 3 hours driving to and from work each work day. what percent of her day does she spend driving to and from work each work day?
*Thursday, May 8, 2014 at 7:24pm*

**math**

An actor invests some money at 7%, and $44000 more than three times the amount at 10%. The total annual interest earned from the investment is $41770. How much did he invest at each amount
*Thursday, May 8, 2014 at 7:16pm*

**Math 10**

Myrtle throws a ball upward from a second-floor balcony, 6 m above the ground with an initial velocity of 2 m/s. In this situation, u = 2 and ho = 6, so the relation that models the height of the ball is h = -5t2 + 2t + 6. Myrtle knows that changing the velocity with which she...
*Thursday, May 8, 2014 at 6:57pm*

**7th grade math**

Computer catalog has a computer monitor that is 19 inches. The 19 inches is the diagonal distance across the screen. If the screen is 10 inches in height, what is the width of the screen to the nearest inch?
*Thursday, May 8, 2014 at 6:44pm*

**Math**

Two vans leave a parking lot at the exact same time. A few minutes later, car 1 is 8 miles due east of the parking lot and car 2 is 15 miles due south of the lot. How far a part are the two cars in miles?
*Thursday, May 8, 2014 at 6:34pm*

**math**

Calculate the amount of interest earned in 10 years on $1000.00 invested at 3.00% per annum, compounded monthly.
*Thursday, May 8, 2014 at 6:23pm*

**Math**

A boxs width is 1/4 its length. The perimeter of the box is 30 inches. What are the boxs length and width?
*Thursday, May 8, 2014 at 6:16pm*

**math**

Calculate the final value after 10 years if you invest $5000.00 at 2.5% per annum, compounded annually.
*Thursday, May 8, 2014 at 6:10pm*

**Math**

An investment earning simple interest at a rate of 1.10% per annum for a term of 5 years earned $82.50 in interest. What was the principal?
*Thursday, May 8, 2014 at 6:08pm*

**MATH PLS HELP CHECK ANSWERS**

3. What is the rule for the function shown in the table? (1 point) x = -1, 0, 1, 2 y = -2, 1, 4, 7 A.y = 1/3x + 1 B.y = 3x + 1 C.y = 1/3x D.y = 1/2x + 1 4. What is the function rule for the following situation? rex paid $20 for a membership to the pool and pays $3.00 each time...
*Thursday, May 8, 2014 at 5:19pm*

**Math**

25. A metal cube with an edge of one foot is melted into rectangular solid one-eighth of a foot in height. What is the area of the top of the top of the new solid. Please show work/explain A. 1/64 sq.ft. B. 1/8 sq.ft. C. 1/4 sq.ft. D. 4 sq.ft. E. 8 sq.ft.
*Thursday, May 8, 2014 at 5:14pm*

**Math**

Mrs. Reed is decorating wreaths. She needs 24 in. of gold ribbon and 45 in. of white ribbon to tie around each wreath. The white ribbon is sold by the foot. About how many feet of white ribbon will Mrs. Reed need to make 18 wreaths?
*Thursday, May 8, 2014 at 5:08pm*

**Math**

36. A clock gains 20 minutes each day. if the correct time is indicated now , in how many days will it again show the first correct time? Please show work/explain A.8 B.18 C.20 D.36 E.72
*Thursday, May 8, 2014 at 5:02pm*

**Math**

The distance s in feet that a body falls in t seconds is given by the formula s=16t^2. If a body has been falling for 5 seconds, how far will it fall during the 6th second? Please show work/explain A. 16 ft. B. 80 ft. C. 176 ft. D. 400 ft. E. 576 ft.
*Thursday, May 8, 2014 at 4:57pm*

**Math ~ Check Answers ~**

***PS: I can't put the diagram so I type it.*** The diagram below shows the contents of a jar from which you select marbles at random. Inside the jar there is 16 marbles. Inside the jar there is 4 red marbles. 7 blue marbles. 5 green marbles. a. What is the probability of ...
*Thursday, May 8, 2014 at 4:54pm*

**Math**

o is the center of the regular pentagon ABCDE. How many degrees are there in OAB? Please explain or show work A.36 B.54 C.72 D.108 E.126
*Thursday, May 8, 2014 at 4:50pm*

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