Friday

February 5, 2016
Total # Posts: 325

**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 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*

**I have a pretty hard one**

Is there a way to make it a common fraction or does it HAVE to be a mixed number or improper? Because the question says it has to be a "common". :)
*August 22, 2014*

**Please help :*(**

... :(
*August 22, 2014*

**I have a pretty hard one**

I know the decimal, but I don't know how to find the repeating (407407407407...407...)
*August 22, 2014*

**I have a pretty hard one**

45% of 75% of a number is 70, what is the number? Express your answer as a common fraction.
*August 22, 2014*

**math**

45/.24= 187.5 Thanks
*August 22, 2014*

**math**

24% of a number is 45, what is the number? Express your answer as a decimal.
*August 22, 2014*

**Math**

If 20% more than a number results in 28, what is the number? Express your answer as a fraction. Please help mates.
*August 21, 2014*

**math**

A circular track is 1000 yards in circumference. Cyclists A, B, and C start at the same place and time, and race around the track at the following rates per minute: A at 700 yards, B at 800 yards, and C at 900 yards. What is the least number of minutes it mus take for all ...
*August 20, 2014*

**math**

1. A gallon of a certain kind of paint will cover 224 square feet of surface. In painting two walls; one 36’ by 8’ and the other 24’ by 9’, the number of gallons of paint used is: 2. Susan wants to use blue, yellow, green, and pink paint to decorate her ...
*August 20, 2014*

**Algebra**

I need some help solving this system of equations: 5x - y = 18 –4x – 2y = –6
*July 20, 2014*

**Math please help**

4(x-3)=5(x+1)
*May 29, 2014*

**Math Help**

Plastic tub has capacity of 13.5 quarts. It can hold 3 times as much liquid as a pail. Pail can hold twice as much liquid as can. Find capacity of pail and that of the can in quarts.
*May 28, 2014*

**Math Help**

A shop owner bought 30 folders and some journal. He paid @82.50 for the folders. Each journal cost 10 times as much as a folder. What was the cost of each journal?
*May 28, 2014*

**Math **

Simplify 4sqrt6/sqrt30 by rationalizing the denominator
*May 11, 2014*

**Sam**

only 2/9 the university students wanted to become math teachers. if 2800 didn't want to become math teachers how many university students were there? So, 2/9 * WN = 2800? How would you work it out?
*May 6, 2014*

**trying to understand math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*April 14, 2014*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*April 14, 2014*

**math**

Eric has a two rocks samples. One has a mass of 600 grams and the other has a mass of 1 kilogram. He recorded the total mass as 7 kilogrmaas. Explain what he did wrong? What should be the correct answer in grams?
*March 25, 2014*

**Trig**

oh! thank you!
*February 1, 2014*

**Trig**

the sine of an angle is 0.6. the constraint is the angle lies in quadrant II. how do I figure out what x is to solve the six functions?
*February 1, 2014*

**CALCULUS**

I don't understand. Why are you adding 1/4? to both sides? I don't see how you are getting a quadratic formula from this. More importantly, thank you guys for the help!
*February 1, 2014*

**CALCULUS**

Find a formula for the inverse of the function. y=x^2-x, x>=(greater than or equal to) 1/2 Please give me a step by step explanation. I think my algebra is wrong... Ty
*February 1, 2014*

**CALCULUS**

Starting with the graph of f(x)=5x, write the equation of the graph that results from reflecting f(x) about the line y =4. y=_______? Thank you!
*January 31, 2014*

**ms1998**

On a windless day, a bird can fly at a constant 10 m/s. It flies 6.0km east and then home again. How much time does the round trip take? I keep getting 600 seconds, but my teacher still tells me it's wrong.
*January 27, 2014*

**Elle**

thanks for checking my work
*January 23, 2014*

**Elle**

At the school carnival popcorn was given out in paper cones like the one shown(3-diameter and 5 being the height of the cone). Approximately how many cubic inches of popcorn can the cone hold? 1/3TT r^2 h 1/3 TT(1.5)^2(5) 11.78 is approximately 12 cubic inches of popcorn
*January 23, 2014*

**Math**

The area of a cylinder is 956m3. If the circular top is halved, what is the new volume?
*January 6, 2014*

**help**

a number machine takes any number put into it, multiplies it by 3 and then subtracts 2. reuben put a number into the machine. he took the new number that came out and put that number back into the machine. He took the new number that came out and put that back into the machine...
*December 6, 2013*

**math**

In the addition problem at the bottom, the sum of the two digits represented by B and C is ?. Each time the same letter appears it represents the same digit) 2BA +C6D____ 8AD
*December 5, 2013*

**math**

the answer is 5 days because the family and friends eat only half of the gingerbread cookies each day day 1: 2-1=1 day 2: 1+4=5-2=3 day 3: 3+6=9-3=6 day 4: 6+8=14-4=10 day 5: 10+10=20-5=15 You just need to keep adding the old gingerbread cookies with the new and each day he ...
*December 5, 2013*

**math**

Sam needs 15 dozen gingerbread cookies. he bakes 2 dozen the first day, 4 dozens the next day, 6 dozens the day after that and this pattern continues. How many days does it take Sam to get his 15 gingerbread cookies if half of each batch gets eaten each night by his family and...
*December 5, 2013*

**math**

In the addition problem at the bottom, the sum of the two digits represented by B and C is ?. Each time the same letter appears it represents the same digit.) help
*December 5, 2013*

**math**

a number machine takes any number put into it, multiplies it by 3 and then subtracts 2. reuben put a number into the machine. he took the new number that came out and put that number back into the machine. He took the new number that came out and put that back into the machine...
*December 5, 2013*

**math**

it's ok. I got it now.
*November 23, 2013*

**math**

The graph below shows the rate of natural gas usage (in therms per day) in one household for a 30 - day period. Estimate the total number of therms used during this period. Use left endpoints and rectangles with widths of 3 days. View graph at: postimg.o rg/image/61nw3co3r/ I ...
*November 23, 2013*

**math**

Find the area of the shaded region. View the graph and image at: postimg.o rg/image/dg4kt89v1/ Please help me explain this one. I know the ans to this one but can not work out.
*November 23, 2013*