Monday

September 26, 2016
Total # Posts: 365

**Pre-calc**

Problem 1. Suppose x > 0. Simplify the expression [(x+h)^1/2− (x) ^1/2]/h . For what values of h is this expression defined?

*September 26, 2016*

**Math**

Alice paints at a rate of 10 square feet per minute and Bob paints at a rate of 8 square feet per minute. If they work together, how many square feet can they paint per minute?

*September 25, 2016*

**Math**

Write out the full question please

*September 21, 2016*

**jay**

The formula for the perimeter of a rectangle is P=2(l+w)P=2(l+w). Solve for w. w=2P−lw=2P−l w=p2−lw=p2−l w=p−l2w=p−l2 w=P2+l D?

*September 21, 2016*

**math**

54, 63 , 72

*September 21, 2016*

**jay**

For a trapezoid, the following formula relates the area A, the two bases a and b, and the height h. A=(a+b)2hA=(a+b)2h Solve for a. a=2Ah+ba=2Ah+b a=2A−bha=2A−bh a=2Ah−ba=2Ah−b a=Ah2−b

*September 21, 2016*

**lin**

the product of the factors of 6

*September 14, 2016*

**lola**

how much bigger than -9 is -1

*September 14, 2016*

**Math**

I forgot to add that the boys and girls need to be in alternated seats

*September 5, 2016*

**Math**

If there are 5 boys and 7girls, in how many ways can 5 boys and 5girls sit in a round table? Is the ans : 5!*4!*7c5? Reason: since there are 5 boys so (5-1)! And left 5 seats for girls so 7c5 and within the girls theres 5 diffrent ones so another 5!

*September 5, 2016*

**maths**

Different ways of arranging 72 books in equal piles

*August 25, 2016*

**lauren**

$6300 is invested, part of it at 11% and part of it at 77%. For a certain year, the total yield is $565.00. How much was invested at each rate? how much was invested at 11% and 7%? thank you

*August 25, 2016*

**Ap series**

Sum of first six term of an ap is 46 ratio of its 10th term to that of 30th term is 1:3. Find its 13th term

*August 2, 2016*

**mathematics**

a1=1 ,an=3an-1+2 for n>2

*July 17, 2016*

**math**

6 red balls and 5white total 20balls how many yellow balls find probility

*July 9, 2016*

**Maths Year 10**

Q) the difference between two numbers is 5. A) if the larger number is k, what is the other number? B) write a simplified expression for the product of both numbers. ??? ty in adv.

*June 25, 2016*

**5th Grade Math - Urgent**

It's nothing. Because it's impossible. Lol so easy.

*June 2, 2016*

**Math**

Make a table and graph each quadratic function. Use integers from -3 to 3 for inputs. #4- y= -x2 #5- y=2x squared #6- y= -8x squared #7- y= x squared + 2 Make a table and a graph for each function. Use only positive values for x. #10- y= 10/x #11- y= 8/x Write a quadratic ...

*May 11, 2016*

**Math**

In a piggy bank Jane has 8 more quarters than dimes and she has 5 less nickels than dimes. Write an algebraic expression

*May 9, 2016*

**Math**

A only sixty percent of the people chose baseball B the reporter only talked to people at the baseball game C only the people that the reporter talked to counted D the reporter did not say what sport other people chose

*May 9, 2016*

**Math**

In a piggy bank Jane has 8 more quarters than dimes and she has 5 less nickels than dimes. Write an algebraic expression

*May 9, 2016*

**Semia**

A circular sinkhole has a circumference of 75.36 meters. A week later, it has a circumference of 150.42 meters. a. Estimate the diameter of the sinkhole each week. The sinkhole is about ? meters the first week. The sinkhole is about ? meters the second week. b. How many times ...

*May 7, 2016*

**math help please**

An art teacher had a total of t markers. He gave an equal number of markers to each of 18 students and had 16 markers left over. Which equation could be used to find n , the number of markers each student received? A t = 18n B t = 34n C t = 18n + 16 D t = 16n + 18 Please show ...

*April 27, 2016*

**math**

a die is rolled in such a way that even faces are twice as likely to occur as the odd faces. what is the probability that a prime number shows up when rolled?

*April 26, 2016*

** algebra**

There are 6 students in a club. For a certain activity, 4 of the students need to form a separate group. How many ways can this group of 4 students be formed?

*April 20, 2016*

**Please help**

Write in terms of cos and sin function. cotx*secx I know cotx = cosx/sinx and sec x= 1/cos x. but how do i solve it?

*April 18, 2016*

**Math**

Thanks.

*April 8, 2016*

**Math**

Ms. Vellake loves to read. She read 522 hours in 29 weeks. If she read an equal number of hours each week, how many hours did she read each week?

*April 8, 2016*

**Math**

Using the table of values -2,-1,0,1,2, what would be the "Y" when given these set of equations? y= 3^ y= 2 ^ y = (1/2)^ the ^ is a tiny letter x exponent that we sub in with the table of values

*March 31, 2016*

**math**

The ratio of the ages of ramu and his sister is 3:4 . If the age of his sister is 36,how old is ramu?

*March 29, 2016*

**math**

97 - 88 = 9 9 + 88 = 97

*March 21, 2016*

**Math**

Use equal intervals to make a frequency table for the average number of movies per person. You do not need to show tally marks. Country Average Number of Movies Turkey 0.5 Japan 1.2 UK 1.3 Finland 1.3 Austria 1.5 Germany 1.8 Spain 2.2 Sweden 2.2 Denmark 2.2 Switzerland 2.5 ...

*March 12, 2016*

**Analytical Geometry**

1) How do you create a fractal? 2) How are midpoints,lengths,equations for circles used to generate the fractal (pattern in pinecone). 3) What are some special features of this fractal (pattern in pinecone)? Describe a specific application of fractals, such as a scientific ...

*March 9, 2016*

**Math**

A parking garage is changing its parking fees for a week long festival. The function below represents the cost to park in the garage as a function of time (days into the festival). Piece wise c(t) = 10; 0 <= t <= 2 10; 2 < t <= 5 7; 5 < t <= 7 a) What would ...

*March 8, 2016*

**Algebra 1**

There are 8 boys on a bus. Each boy has 8 backpacks. In each backpack, there are 8 big dogs. For every big dog there are 8 little dogs. How many legs are there in the bus?

*February 19, 2016*

**Math**

Find the inverses of each of the functions below algebraically. a.3y+5x=18 b.h(t)=−4.9(t+3)^2+45.8

*February 3, 2016*

**Math**

Find the inverses of each of the functions below algebraically. a.3y+5x=18 b.h(t)=−4.9(t+3)^2+45.8

*February 3, 2016*

**Sam E**

Let v(t)=t^2−3t be the velocity, in feet per second, of an object at time t , in seconds. (c) What is the meaning of the quantity v(4)? Select all that apply if more than one statement is correct. A. In how many seconds will the object have moved 4 ft. B. The object'...

*January 28, 2016*

**Math**

How do you do 4ln(2x+3)=11

*January 27, 2016*

**math**

find the area of right traingle of base 1.2m and hypotenuse 3.7.

*January 9, 2016*

**probability distribution **

A bag contains Six blue and 4 red balls ,3 balls are drawn at random with replacement what is expected no of red balls that can be drawn?

*December 13, 2015*

**geet**

in 1996, sharon that spent 189 days in space that is longer than another astronaut. how many weeks was she in the space .

*December 13, 2015*

**math**

how many different numbers of 8 digits can be formed from the digits 0,1,2,3,4,5,6,7 that are divisible by 5?

*December 2, 2015*

**optional math**

In the given figure, ABCD is a trapezium where AB // DC. P & Q are the midpoints of AC & BD. Prove that: Vector PQ= 1/2(Vector AB - Vector DC).

*October 10, 2015*

** Algebra **

If the angles of triangle are in the ratio of4:1:1then find the ratio in the smallest side / perimeter of the tringle

*October 4, 2015*

**algebra**

ITS SO OBVIOS ITS -2.1 BECAUSE THE MATHEMATICAL GANJA EQUATION HELPS. THE BEST ANSWER IS OBV THAT BC 3248.,123

*August 12, 2015*

**co-ordinate**

Please help me to solve this:find the equation to the circle circumscribing the quadrilateral formed by the straight lines, 2x 3y=2, 3x-2y=4, x 2y=3 and 2x-y=3

*July 25, 2015*

**Finance**

You have a balance of $12,000 for your tuition on your credit card and you make no further charges. If your APR is 16.7% and each month you make only the minimum payment of 2% of your balance, then find a formula for the balance after t monthly payments. A. 12,000(0.966362)t B...

*June 28, 2015*

**Finance**

Assume that you have a balance of $5000 on your Visa credit card and that you make no more charges. If your APR is 22% and each month you make only the minimum payment of 3% of your balance, then find a formula for the balance after t monthly payments. A. 5000(0.987783)t B. ...

*June 28, 2015*

**Finance**

You have a balance of $7500 on your credit card and you make no further charges. If your APR is 12.5% and each month you make only the minimum payment of 5% of your balance, then find a formula for the balance after t monthly payments. A) 7500(0.959896) t B) 7500(0.940104) t C...

*June 28, 2015*

**Math**

10. Suppose the stock of Microsoft increases in value by $5 per share. If all other Dow stock prices remain unchanged, how does this affect the DJIA? A) 37.80 points up B) 30.24 points up C) 22.68 points up D) 15.12 points up

*June 28, 2015*

**Math**

The rate of inflation in Ethiopia was 41% in 2008. What was the percentage decrease that year in the buying power of the birr (the currency of Ethiopia)? A. 41.0% B. 69.5% C. 29.1% D. 37.5%

*June 28, 2015*

**Math**

Two cards. Refers to choosing two cards. If you do not put the first card back in the deck before you draw the next, what is the probability that the first card is a club and the second card is a diamond? Leave your answer as a fraction in SIMPLEST form. The probability that ...

*June 28, 2015*

**Math**

I got 518400 but it's considered wrong.

*June 28, 2015*

**Math**

Signals The king has 10 (different) colored flags that he uses to send coded messages to his general in the field. For example, red-blue-green might mean “attack at dawn” and blue-green-red may mean “retreat.” He sends the message by arranging three of the ...

*June 28, 2015*

**Math**

On Halloween, a man presents a child with a bowl containing six different pieces of candy and six different pieces of gum. He tells her that she may have four of each. How many choices does she have? Answer as a whole number.

*June 28, 2015*

**Math**

Assume a box contains three red jelly beans and two green ones. We consider the event that a red bean is drawn. Suppose I pick a jelly bean from the box without looking. I record the color but do not put the bean back in the box. Then I choose a bean again. What is the ...

*June 28, 2015*

**Math please help!!**

An engineer sees that the angle of elevation to a vertical tower is 45 degrees. When he moves 40 feet closer to the tower on the same straight, level path, he sees that the angle of elevation becomes 55 degrees. How tall is the tower?

*May 30, 2015*

**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??

*May 14, 2015*

**math**

In a camp ,there is a meal for 120 men or 200 children . if 150 children have taken the meal, how many men will be catered to with remaining meal

*May 11, 2015*

**chev**

given A(a,2) B(3,4) and C(-2,1). if A is at the same distance to the points B and C. Find a

*May 1, 2015*

**math**

I need help with two questions,. they both have attachments. is there another program where someone can come on and help me

*March 29, 2015*

**algebra**

Your ribbon is 78 inch wide. Your friend's ribbon is 58 inch wide. How much wider is the ribbon you are using?

*March 11, 2015*

**math**

x + 3 + 2X =X+3 can someone help with this?

*February 19, 2015*

**algebra**

Thank you Miss Sue i entered the wrong question?

*February 19, 2015*

**algebra**

i need help can someone explain how to do this X+3+2x=X+35X what is the answer or can someone help me?

*February 19, 2015*

**math**

Two station astronauts will each perform three 8-hour EVAs within 13 days to repair a damaged solar panel that was impacted by a micrometeoroid on the space station. What is the total amount of oxygen needed by the two astronauts to accomplish this? Please put your answer in ...

*January 29, 2015*

**MNHS_HELP**

Tnx... But where did exponent 4 and minus one come from?

*January 8, 2015*

**MNHS_HELP**

How many positive factors does 62x(63^3+63^2+63+1)+1 have? (With explanatio pls... Tnx)

*January 8, 2015*

**MNHS_HELP**

What is the least number of square pieces into which a cardboard, 13 ft long 8 ft wide, can be cut?

*January 8, 2015*

**math**

the area of an equilateral triangle is given by the expression s^2 x square root of 3/4, where s is the side length of the triangle. what is the area of the triangle? round to the nearest tenth the triangle is 5 cm on all three sides.

*December 26, 2014*

**algebra**

the sum of the least and greatest integer is 35 more than the middle integer

*December 18, 2014*

**Math**

solve 7 1/2 - 3 5/6

*December 7, 2014*

**Math**

how many fractions between 1/4 and 1/2

*December 3, 2014*

**Math**

About how many days does it take for your heart to beat one million times.

*October 13, 2014*

**Anonymous **

Is there any good websites for online quizzes or tests on inductive reasoning?

*September 20, 2014*

**pre calculus**

Use a calculator to find the approximate value of sin-1( 0.635).

*September 20, 2014*

**math**

thanks DAMON

*September 12, 2014*

**math**

Write .4(5) as a fraction. The parenthesis represent it as a repeating decimal: .455555555555555555555 But what is it in a fraction?

*September 12, 2014*

**physics**

Not enough info.

*September 11, 2014*

**Help Ms.Sue**

I just wanted to know how to do: What fraction of 4/5 is 1/2?

*September 11, 2014*

**Math**

PEMDAS. Parenthesis: You always do this first. Exponent: Do this second Multiply/Divide: Do these third. It is determined with the first on the left. Add/Subtract. Do these last. Ones are determined with the first on the left. (Not the right.)

*September 11, 2014*

**math check PLEASE**

A: -.5555555555555556 (Repeating) B: -.545454545455454 (Repeating) C: -.5 D: -.44444444444444 (Repeating) -7/5 = -1.4 Can you compare all of them to see which one is larger? Example: -11 is larger than -15

*September 11, 2014*

**Math**

This is the last one I will be answering. Spamming these questions are not an option. PEMDAS. Parenthesis: You always do this first. Exponent: Do this second Multiply/Divide: Do these third. It is determined with the first on the left. Add/Subtract. Do these last. Ones are ...

*September 11, 2014*

**Math**

1-5 = -4 -4 + 9 = 5

*September 11, 2014*

**Biology**

An enzyme is a kind of? This is correct. Check your work on the first one though.

*September 11, 2014*

**Biology**

What is a reactant that binds to a catalyst? -Wrong. Check your work again.

*September 11, 2014*

**Please help!!!!!!!**

help please

*September 11, 2014*

**math**

What fraction of 4/5 is 1/2?

*September 11, 2014*

**Math**

Explain it in numbers. Because 8 / 12 is below 0.

*September 11, 2014*

**math**

the average attendance of a class from monday to wednesday was 39 and that from wednesday to saturday was 39.5. What was the attendance on wednesday, if the average attendance from monday to saturday was 40 I did this:- m+t+w/3=39 w+Th+F+S/4=39.5 m+t+w+Th+F+S/6=40...

*September 7, 2014*

**Haley**

Three circles with radii 35cm, 50cm, and 65cm respectively are tangent to each other externally. Find the angles of the triangle formed by joining the centers of the circles. My teacher said to use the cosine law cause you know 3 sides but no angles. But I can't figure it ...

*August 27, 2014*

**Liz**

The answer to a question is 564.90. The question said to round to the nearest ten meters. What does nearest ten meters mean. Would it mean for me to round to 570 or 565

*August 27, 2014*

**Liz **

A rectangular lawn measuring 8m by 4m is surrounded by a flower bed of uniform width. The combined area of the lawn and the flower bed is 165cm^2. What is the width of the flower bed

*August 27, 2014*

**Haley**

How to get from general form to intercept form in quadratic equations. I'm not sure if it's possible. Or how do you get from vertex form to intercept form. .?.

*August 27, 2014*

**Math percentage (Money problem tax, discount)**

Thanks, 26/.85

*August 22, 2014*

**Please help...**

I don't get it!

*August 22, 2014*

**Math percentage (Money problem tax, discount)**

I can't. I keep getting the same 3.90 over and over again!

*August 22, 2014*

**Math percentage (Money problem tax, discount)**

After 15% off, the book price becomes $26, what was the original price of the book? Round to the nearest cent. I had $29.9 but it was wrong :(

*August 22, 2014*