Wednesday

July 29, 2015

July 29, 2015

Total # Posts: 640

**math**

A bag has 4 red marbles, 4 blue marbles, and 2 green marbles. Jessie draws a marble from the bag at random, notes the color, and then replaces the marble.She then draws a second marble at random.What is the probability that both the marbles are green? a. 1/45 b. 1/25 c. 1/5 d...
*April 17, 2014*

**math**

thank you, Steve
*April 17, 2014*

**math**

Jonny wants to place a poster that is 25 1/2 inches wide in the center of a wall that is 60 inches wide. How far from each corner should he place the poster for it to be centered? a. 16 3/4 in b. 17 1/4 in c. 18 1/3 in d. 34 1/2 in my answer is b, anybody can tell me right on ...
*April 17, 2014*

**math**

I count 1 has 14, 2 has 11, 14/0.25=56% so my answer is c, is it correct?
*April 17, 2014*

**math**

I don't understand what the question mean
*April 17, 2014*

**math**

Tia generated a list of random numbers to simulate an experiment based on the waiting times at a supermarker checkout line.The number 1 represents waiting in line less than 5 minutes and the number 2 represents waiting in line 5 minutes or more. 1,1,1,1,2,1,1,1,2,1,2,2,1,2,2,1...
*April 17, 2014*

**math**

thank you ,Ms.Sue
*April 17, 2014*

**math**

my answer is b. but I don't know what is the elevation mean
*April 17, 2014*

**math**

A submarine at an elevation of -35 feet rises 35 feet. What is the elevation of the submarine after it rises? a. -70 feet b. 0 feet c. 35 feet d. 70 feet please answer and explain
*April 17, 2014*

**math**

A map measuring 8" x 10" and drawn to the scale 1" = 50 miles is pasted on a sheet of paper of the same size. Find theleast number of sheets of this paper that would have to be taped together to hold this same map if it were drawn to the scale 2" = 25 miles...
*April 13, 2014*

**math**

my answer is c
*April 13, 2014*

**math**

I know the average cost of gasoline is 35 cents per gallon is ridiculous, but just a question
*April 13, 2014*

**math**

A saleman operates a car which averged 15 miles to a gallon of gasoline.By installing a new carburetor the car improves its mileage by 1/5. How much will he save on gasoline during a year in which he covers 5400 miles, if the average cost of gasoline is 35 cents per gallon? a...
*April 13, 2014*

**math**

answer d.20 thank you
*April 13, 2014*

**math**

A fish tank 1 feet x 1 1/2 feet x 1/2 feet is carefully used to fill a large tank which has a capacity of 15 cubic feet. How many times will the contents of the smaller tank be rquired to be emptied into the larger tank to completely fill the tank? a. 8 b. 10 c. 11 d. 20 e. ...
*April 13, 2014*

**math**

If there are 10 to 15 apples in a basket and there are 2 to 3 baskets in a bushel, what is the maximum number of bushels that can be filled by 900 apples? a. 20 b. 25 c. 30 d. 40 e. 45 please answer and explain
*April 13, 2014*

**math**

There are 216 couples competing in a dance contest.After each half hour one-third of the contest-ants are eliminated. How many couples will remain eligible for the prize after the first hour? a. 24 b. 46 c. 48 d. 96 e. 98 please answer and explain
*April 13, 2014*

**math**

The number of washers 3/32 inch thick that can be cut from a piece of stock 25 1/2 inches long, allowing 1/16 inch for waste for each cut is a. 160 b. 163 c. 260 d. 272 e. 408 please answer and explain
*April 13, 2014*

**math**

Mr.Smith's tax on his house for 1965 was $283.79.If the tax rate for that year was $3.835 per $100 of assessed valuation, for what amount was Mr.Smith's house assessed? a. $10.88 b. $74 c. $740 d. $1088.33 e. $7400 please answer and explain
*April 11, 2014*

**math**

An efficiency expert has calculated that about 9.5% of the articles produced in a manufacturing plant are defective. This is equivalent to expressing the defective articles as a. 9 out of 15 b. 9 out of 50 c. 10 out of 95 d. 19 out of 100 e. 19 out of 200 please answer and ...
*April 9, 2014*

**math**

thank you
*April 9, 2014*

**math**

my answer is e 25/2=12.5 12.5+25=37.5
*April 9, 2014*

**math**

If a workman receives time and a half for overtime, 25 hours of overtime would be the equivalent of how many regular working hours? a. 6 b. 12 c. 18 d. 30 e. 37.5 please answer and explain
*April 9, 2014*

**math**

A father can do a job as fast as two sons working together. If one sone does the job alone in three hours and the other does it alone in six hours, how many hours does it take the father to do the job alone? a. 1 b. 2 c. 3 d. 4 e. 4 1/2 please answer and explain
*April 9, 2014*

**math**

HHow many pupils are there in a class if two pupils remain after four rows of seats are filled, and nine pupils remain after three rows of seats are filled? a. 21 b. 22 c. 28 d. 30 e. 32 please answer and explain
*April 9, 2014*

**math**

Write an equation for the realartionship. Tell what the variables represent. It takes Li 1 hour to drive 65 miles, 2 hours to dirve 130 miles, and 3 hours to drive 195 miles.
*April 8, 2014*

**math word problem PLEASE HELP**

Susan uses 15 rolls of ribbon to decorate 10 wedding baskets. Each roll of ribbon is 5 3/8 yards long. After she decorates the baskets, she decides to cut off another 3/4 yard from the ribbon of each basket. Write and simplify an expression to fin out how much ribbon was used ...
*April 7, 2014*

**math word problem**

Susan uses 15 rolls of ribbon to decorate 10 wedding baskets. Each roll of ribbon is 5 3/8 yards long. After she decorates the baskets, she decides to cut off another 3/4 yard from the ribbon of each basket. Write and simplify an expression to fin out how much ribbon was used ...
*April 7, 2014*

**Math word problems**

Susan uses 15 rolls of ribbon to decorate 10 wedding baskets. Each roll of ribbon is 5 3/8 yards long. After she decorates the baskets, she decides to cut off another 3/4 yard from the ribbon of each basket. Write and simplify an expression to fin out how much ribbon was used ...
*April 7, 2014*

**math**

thank you, Ms. Sue
*April 6, 2014*

**math**

Mr. Benedict left half of his estate to his wife, one-fourth to his son, one-fifth to his daughter and the remainder, $5000 to his college. What is the total amount left by Mr. Benedict? a. $ 9,250 b. $ 10,000 c. $ 16,000 d. $ 50,000 e. $ 100,000 please answer and explain
*April 6, 2014*

**math**

ok , thank you
*April 6, 2014*

**math**

why use 4 x 7
*April 6, 2014*

**math**

A rectangular piece of cardboard 9" x 12" is made into an open box by cutting a 2 1/2" square from each corner and bending up the sides. Find the volume of the box if no allowance is made for overlapping of the edges. a. 70 cu. in. b. 154 3/8 cu. in. c. 195 cu. ...
*April 6, 2014*

**math**

Two stations, A and B, are located six miles apart on a railroad. The rates of cartage of coal are 50 cents per ton per mile from A and 75 cents per ton per mile from B. At a certain consumer's home, located on the railroad between A and B, the cost for cartage is the same...
*April 6, 2014*

**math**

I understand now, like a triangle a^2 + b^2 = c^2 thank you
*April 6, 2014*

**math**

A 50 foot ladder is placed against a building so that it touches a point 40 feet above the ground. The distances ( in feet ) from the foot of the ladder to the building is a. 10 b. 20 c. 30 d. 45 e. 60 please answer and explain
*April 6, 2014*

**math**

is it answer c
*March 26, 2014*

**math**

??? -2, i didn't see answer had -2
*March 26, 2014*

**math**

( - 2 3/4 )+( - 3 1/8 )+( 1 1/8 )+(5)+( - 2 1/4 )= -2
*March 26, 2014*

**math**

A stock that sold for $240 per share before a week began had the following gains and losses in share price over the course of that week. Monday ( - 2 3/4 ), Tuesday ( - 3 1/8 ), Wednesday ( + 1 1/8 ), Thursday ( + 5 ), Friday ( - 2 1/4 ). Suppose an investor bought 100 shares ...
*March 26, 2014*

**Please Help with Physics Problems???????**

A 0.60 kg ladle sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (k = 430 N/m) whose other end is fixed. The ladle has a kinetic energy of 8.6 J as it passes through its equilibrium position (the point at which the spring force is zero...
*March 10, 2014*

**Physics please help?????**

(a) At a certain instant, a particle-like object is acted on by a force F=(2.9N)i-(1.7N)j+(5.7N)k while the object's velocity is v= -(3.2m/s)i+(4.5m/s)k. What is the instantaneous rate at which the force does work on the object? (b) At some other time, the velocity ...
*March 10, 2014*

**Biology**

Sort the terms and phrases as to whether they function in or describe primary growth or secondary growth? Place each term or phrase to the appropriate bin. If the term or phrase describes both primary and secondary growth, place it to the "both" bin. If the term or ...
*March 9, 2014*

**math**

Solving inequalities by multiplying or dividing (-y/6)<2 y___21 1. < 2. > please answer the y ? 21 1 or 2 and how to do it
*March 6, 2014*

**math**

Write an inequality to solve each problem.Then solve the inequality. 1. Marcus wants to buy baseballs.He has $35. What is the most each baseball can cost? 2. Melinda charges $4 per hour for babysitting. Mrs. Garden does not want to spend more than $25 for babysitting. What is ...
*March 5, 2014*

**math**

the ratio of width to length of a television scree in 3:4. What is the width of the screen if the length is 32 inches
*February 23, 2014*

**math**

If the area of a square is eighttimes, by what factor do itsw sides increase in length?
*February 6, 2014*

**math**

The square of negative nonzero integer is equal to four times of its absolute value. What is the integer?
*February 6, 2014*

**math**

The product of a number and 8 has the same value as that number minus 2. what is that number?
*February 6, 2014*

**Linux Mint 16**

01. Your home directory can be represented by what single character? "-" or /home/<username> 02. What is a user friendly text editor which comes pre-installed in Mint that can be used directly in the terminal? 03. My boss just told me that they want to see a ...
*February 1, 2014*

**math**

I don't understand what is the famas of 36, mean area ?
*January 23, 2014*

**math**

If the " famas " of a number is equal to the number of perfect squares less than that number, what is the famas of 36 ? a. 5 b. 6 c. 7 d. 8 e. 9 please answer and explain
*January 23, 2014*

**math ( sets )**

{ 1,2,3, ...., 100 ) How many numbers in the above set are perfect cubes ? a. 2 b. 3 c. 4 d. 5 e. 6 please answer and explain
*January 23, 2014*

**math ( sets )**

{ 30,31,32,....,100 } How many numbers in the above set are divisible by 8 ? a. 9 b. 10 c. 11 d. 12 e. 13 please answer and explain
*January 23, 2014*

**math ( sequence )**

A sequence is generated in which each term is 5 less than the previous term. If the twentieth term is -32, what is the fifteenth term ? a. -57 b. -12 c. -7 d. 2 e. 7 please answer and explain
*January 23, 2014*

**math**

but 8 Quarters, 3 Dimes and 5 Nickels = $2.55
*January 23, 2014*

**math**

John has 8 quarters, 3 dimes,and 7 nickels in the change holder in his car. He uses 16 of those coins, totaling $2.50, to buy some tacos. Which coins remain in the change holder? a. 1 dime, 1 nickel b. 1 dime, 1 quarter c. 1 nickel, 1 quarter d. 2 quarters e. 2 nickels please ...
*January 23, 2014*

**Statistics for Business**

Consider the GPA’s for the following 15 students 3.10, 3.20, 3.49, 2.68, 3.73, 3.39, 3.80, 3.11, 3.10, 3.10, 4.0, 3.89, 2.55, 4.0, and 3.75 a) Compute the max, min, Q1, median 3.9, Q3, IQR, and range 1.45 b) Using the variables from part a), construct a box plot for GPA. ...
*January 19, 2014*

**Statistics for Business**

Consider the following sample of data: 11.2, 28.4, 32.6, 17, 13.5, 2.2, 38, 41.4, 1.9, 14.4, 21.8, 23.8 a) Calculate the max, min, Q1, median, and Q3 b) Calculate the average c) Calculate the standard deviation d) Calculate the variance
*January 19, 2014*

**math ( Terminology )**

The " lumper " of a number is equal to the sum of all the prime numbers less than that number. If the lumper of x is equal to the lumper of x + 3, which of the following is a possible value of x ? a. 7 b. 8 c. 9 d. 10 e. 11 please answer and explain
*January 19, 2014*

**math ( sequence )**

A sequence is generated in which each term is equal to the sum of the two preceding terms, If the first two terms are 1 and 3, what is the sixt term? a. 11 b. 14 c. 18 d. 22 e. 29 please answer and explain
*January 19, 2014*

**math (sets)**

210/9=23.333 so 70-23 =47 answer b ?
*January 19, 2014*

**math (sets)**

{ 1,2.3,..........,210 } How many numbers in the above set are multiples of 3 but not 9 ? a. 46 b. 47 c. 48 d. 69 e. 70 please answer and explain
*January 19, 2014*

**math**

A sequence is generated in which each term is 9 more than the previous term, If the eighth term is 13, what is the fourth term? a. -23 b. -14 c. 40 d. 49 e. 58 please answer and expain
*January 19, 2014*

**math**

The length of a side of square S1 is x, and the length of a side of square S2 is five times larger then the area as square S1, what is y in terms of x ? please answer and explain
*January 17, 2014*

**math**

50+60=110
*January 17, 2014*

**math**

A circle is divided into four segments from the center of the circle. One segment is x degree and each of the other three segments increases by 20 degree from the previous segment. What is the value of the largest segment? a. 60 degree b. 80 degree c. 100 degree d. 120 degree ...
*January 17, 2014*

**Logical reasoning practice**

Karen baked desserts for a charity fund-raiser. She made 8 pies, 2 cakes, and 2 batches of cookies. She never baked more than two desserts in any 1 day, and she never made two of the same dessert in 1 day. What is the highest number of desserts that Karen could have made in 5 ...
*January 17, 2014*

**math**

A rectangle has a length of 8 and a width of 3, two squares with sides equal to the width of the rectangle are placed in the rectangle. What is the area of each square? a. 9 b. 16 c. 20 e. 25 f. 49 please answer and explain
*January 17, 2014*

**math**

The area of rectangle ACED is 80 square centimeters, and the area of triangle BCE is 30 square centimeters, If AD = 4 centimeters, then what is AB ? a. 5 cm b. 10 cm c. 15 cm d. 20 cm e. 25 cm please answer and explain
*January 12, 2014*

**math**

The circumference of a circle = 20 pi. If the circle is cut in half, what is the area of one of the resultant halves ? please answer and explain
*January 12, 2014*

**math**

If the length of a rectangle is increased by 25%, by what percentage should the width of the rectangle be decreased to maintain a constant area ? a. 5% b. 10% c. 15% d. 20% e. 25% please answer and explain
*January 12, 2014*

**math **

If the area of a circle is increased by a factor of 9, the circumference of that circle will be increased by what factor? a. 3 b. 6 c. 9 d. 18 e. 81 please answer and explain
*January 12, 2014*

**math**

C= 2 pi r = 2 pi (3r) = 3 ( 2 pi r ) so C = 3 c why C = 3 c I don't understand
*January 11, 2014*

**math**

If the area of a circle increases by a factor of 9, by what factor does its circumference increase ?
*January 11, 2014*

**math**

If the radius of a circle is doubled, by what factor does the circumference increase?
*January 10, 2014*

**math**

If the side of a square increases by a factor of 3, by what factor does the area of the square increase?
*January 10, 2014*

**MATH**

If a square of side length x is cut in half, what is the perimeter of one of the resultant halves?
*January 10, 2014*

**math**

so, I just write down this and say the answer is make sense
*January 6, 2014*

**math**

I don't understand the sentence 10% of $500 = $50 10% of 300 = $30 6% is a little more than half of 10%,what is half of 10% of 500 5% of 500 = $25 Add this with 10% of 30 = $3 ( Since 8% is close to 10%. Does your answer make sense----What that mean? )
*January 6, 2014*

**math**

Check ..... 1. Find 10% of $500 and 10% of $300.Since 6% is a little more than half of 10%, what is half of 10% of 500? Add this with 10% of 30, since 8% is close to 10%. Does you answer make sense ?
*January 6, 2014*

**math**

I came across with this last problem that I don't get on this sheet. Dan's uncle ask him to come work for him at his men's clothing store. He will pay him 5% on his first $1000 in sales and 8% on sales above $100. How much will Dan earn if he sells $2500 in ...
*January 6, 2014*

**math**

I got no
*January 6, 2014*

**math**

Find 10% of $500 and 10% of $300. Since 6% is a little more than half of 10%, what is half of 10% of 500? Add this with 10% of 30, since 8% is close to 10%.Does your answer make sense. Please show work so i can understand
*January 6, 2014*

**math**

Thank you
*January 6, 2014*

**math**

30+24= $54
*January 6, 2014*

**math**

A store pays a 6% commission on the first $500 in sales and 8% on sales over $500. Find the commission on an $800 sale. I just need the commission on the $800 sale, cause i finish the other questions in this problem. Please explain how to do it.
*January 6, 2014*

**math**

so, doubling the lenghts = 2x+4 14+14+5+5=38 answer d
*January 5, 2014*

**math**

The perimeter of the rectangle is 24 cm, the long side is x + 2, the width side is x , if a new rectangle is created by doubling the lengths of the original rectangle's longest sides, what would the new rectangle's perimeter be ? a. 17 cm^2 b. 24 cm^2 c. 31 cm^2 d. 38 ...
*January 5, 2014*

**math**

A square measures 12 cm x 12 cm and is divided into four equal squares. If equal circles are inscribed within each of the four squares, what is the circumference of each circle ?
*January 5, 2014*

**math**

A square measures 12 cm x 12 cm and is divided into four equal squares. If equal circles are incribed within each of the four squares, what is the circumference of each circle ? a. 2 pi cm b. 4 pi cm c. 6 pi cm d. 8 pi cm e. 12 pi cm please answer and explain
*January 5, 2014*

**math**

d. 6 1/4 pi cm^2
*January 5, 2014*

**math**

A circle has an area of 25 pi cm^2.If a circle is drawn within that circle with a diameter equal to the radius of the first circle, what is the area of the second circle? a. 2 1/2 pi cm^2 b. 4 1/4 pi cm^2 c. 5 1/4 pi cm^2 d. 6 1/4 pi cm^2 e. 7 1/2 pi cm^2 please answer and ...
*January 5, 2014*

**math**

A triangle has an area of 15 cm^2 and a base of 5 cm. If a circle is drawn with a diameter equal to the length of the triangle's height, what is the area of the circle ? a. 6 pi cm^2 b. 9 pi cm^2 c. 12 pi cm^2 d. 18 pi cm^2 e. 36 pi cm^2 please answer and explain
*January 5, 2014*

**math**

A square has a side of length 2 inches. How long is a side on a square that has twice the area? please answer and explain
*January 5, 2014*

**math**

my answer is 162 pi too, but the answer is a. 18 pi b. 36 pi c. 36 pi^2 d. 324 pi e. 324 pi^2
*January 5, 2014*

**math**

The area of circle c is 81 pi . if the radius of the circle is doubled, what is the circumference of the new circle ? please answer and explain
*January 5, 2014*

**math**

If 70% of the students at a school sign up for exercise Day, a sporting goods store will give the school 10% off on all purchases.There are 378 students in the school. What is the least number of students who must sign up for the school to make its goal?
*January 5, 2014*

**math**

1. What is the range on the number line for all values of x^3 if x < -2 ? 2. What is the range on the number line for all values of x^3 if -2 < x < 2 ?
*December 26, 2013*