Saturday

April 19, 2014

April 19, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**math**

The highest point in alabama is 2,400 feet high. The lowest point is 500 feet high. How much higher is the highest point than the lowest point?
*Wednesday, March 12, 2014 at 8:41pm*

**math**

Mount washington in new hampshire is 2,096 yards high. How many feet is the mountain? (3ft = 1 yd)
*Wednesday, March 12, 2014 at 8:40pm*

**math**

Multiply.
*Wednesday, March 12, 2014 at 8:33pm*

**math**

12 * 14 * 7 = ? minutes
*Wednesday, March 12, 2014 at 8:32pm*

**math**

The typical American eats 96.3 pounds of beef each year. If the average price of beef is $2.42 per pound, about how much is spent on beef by each american?
*Wednesday, March 12, 2014 at 8:32pm*

**math**

One radio station has an average of 12 minutes of advertising per hour. The station broadcasts 14 hours per day. How much advertising time can it sell each week?
*Wednesday, March 12, 2014 at 8:29pm*

**Math**

P= N [ 1 - (1+r)^-n ] /r P = present value, what he pays N = payment amount r = interest rate/period n = number of payments here n = 120 months need compound interest rate per month, not quarterly .045/4 = .01125 1.01125^4 = 1.045765 per year (1+r)^12 = 1.045765 (1+r) = 1....
*Wednesday, March 12, 2014 at 8:28pm*

**math**

(1/30)hour/entry * 630 entries = 21 hours 21 hours * $7.50/hour = $157.50 They are not paying her enough.
*Wednesday, March 12, 2014 at 8:03pm*

**math**

ur tootie
*Wednesday, March 12, 2014 at 7:58pm*

**Math**

how much should rod pay for a 10 year annuity that provides month end payments of 1800 at 4.5% compounded quarterly
*Wednesday, March 12, 2014 at 7:49pm*

**math**

18/24 = 3/4
*Wednesday, March 12, 2014 at 7:44pm*

**math**

There was a competition that attracted 630 entries for a $250 prize. Molly gets paid $7.50 per hour for checking the entries, which takes her 2 minutes each. How much do they pay Molly to check the entries?
*Wednesday, March 12, 2014 at 7:43pm*

**Math**

4. only the stem and leaf plot 5. both graphs
*Wednesday, March 12, 2014 at 7:21pm*

**Math**

0.5x + 0.25x + 6.75 + 2.5 = x 0.75x + 9.25 = x 9.25 = x - 0.75x 9.25 = 0.25x 9.25 / 0.25 = x 37 = x
*Wednesday, March 12, 2014 at 7:13pm*

**Math**

Sam spent half his money on a shirt. At another store he spent half the money he had left. Then he bought a cd for $6.75. He had $2.50 left. How much money did Sam have in the beginning?
*Wednesday, March 12, 2014 at 7:05pm*

**MATH**

http://www.mathsisfun.com/geometry/construct-linebisect.html
*Wednesday, March 12, 2014 at 7:01pm*

**MATH**

explain how to construct a perpendicular bisector
*Wednesday, March 12, 2014 at 6:57pm*

**business math**

You're welcome.
*Wednesday, March 12, 2014 at 6:45pm*

**business math**

thank you both!
*Wednesday, March 12, 2014 at 6:43pm*

**business math**

to reduce by 12 % multiply by 1-.12 = 0.88
*Wednesday, March 12, 2014 at 6:39pm*

**business math**

If did that, you'd need to subtract that answer from 186,000. A more efficient way is 0.88 * 186,000 = 163,680
*Wednesday, March 12, 2014 at 6:38pm*

**business math**

Martin Ellingham is negotiating to buy a vacation cottage in Port Wenn. The seller of the cottage is asking $186,000. Martin offered him a cash deal, owner-seller (no broker) only if the seller would reduce the price by 12%. The seller agreed. Martin must pay 10% down payment ...
*Wednesday, March 12, 2014 at 6:34pm*

**math**

I would assume it means to divide each third into two pieces (presumably also equal halves)
*Wednesday, March 12, 2014 at 6:08pm*

**math**

what does 2-fracture each third mean?!
*Wednesday, March 12, 2014 at 6:04pm*

**math**

avg speed is total distance divided by total time: (5+4)/(21+39) km/min = 9 km/hr That's a pretty good clip!
*Wednesday, March 12, 2014 at 6:00pm*

**math**

9 km in 60 minutes = 9 kph
*Wednesday, March 12, 2014 at 6:00pm*

**math**

9 kilometers in 60 minutes = 9 kilometers/ hour
*Wednesday, March 12, 2014 at 5:59pm*

**math**

if someone walks 5km in 21 minutes and then 4 km in 39 minutes then whats his average speed
*Wednesday, March 12, 2014 at 5:57pm*

**help with math!!!!**

You should be able to do them yourself now.
*Wednesday, March 12, 2014 at 5:39pm*

**help with math!!!!**

Do not do it the way I did it. Use substitution, but you should get the same answer.
*Wednesday, March 12, 2014 at 5:38pm*

**help with math!!!!**

Thank you so much can you help me with couple more?
*Wednesday, March 12, 2014 at 5:38pm*

**help with math!!!!**

13. -x + y = -13 3x - y = 19 --------------- too easy to add them 2 x + 0 = 6 x = 3 y = -10
*Wednesday, March 12, 2014 at 5:37pm*

**help with math!!!!**

Oh yeah sorry. i didn't see it. for number one it was 3x-y=19
*Wednesday, March 12, 2014 at 5:29pm*

**help with math!!!!**

Oh thanks ! and for number one thats how the equations was written
*Wednesday, March 12, 2014 at 5:29pm*

**math**

OK. Enough, Mr. Awesome! You've been banned before for treating Jiskha as a playground. I'll ban you for a much longer time if you post more nonsense.
*Wednesday, March 12, 2014 at 5:25pm*

**help with math!!!!**

I dont get it. What do you mean?
*Wednesday, March 12, 2014 at 5:22pm*

**help with math!!!!**

13. -x + y = -13 3x - 1 = 19 Is that a typo? No y in second equation? That sure makes it easy. 15. y = (7 x + 5) x - 3(7x+5) = 5 x - 21 x - 15 = 5 -20 x = 20 x = -1 y = -2 17. y = (-3x - 13) -2x + 5 (-3x-13) = -54 or 2x + 5 (3x+13) = 54 17 x + 65 = 54 17 x = - 11 x = -11/17 y...
*Wednesday, March 12, 2014 at 5:22pm*

**math **

what is 2 + 2 = ?
*Wednesday, March 12, 2014 at 5:19pm*

**Math ( trig )**

bottom of wheel up 5 so height above wheel bottom = 40 distance below center = 47 -40 cos A = 7/47 A = 81.4 degrees
*Wednesday, March 12, 2014 at 5:12pm*

**help with math!!!!**

Solve each system using substitution. Tell whether the system has one solution, infinitely many solutions, or no solution. 13. -x + y = -13 3x - 1 = 19 15. 1/3y= 7/3 x + 5/3 x - 3y = 5 17. 3x + y = -13 -2x + 5y = -54
*Wednesday, March 12, 2014 at 5:11pm*

**PLZZ HELP ME WITH THIS MATH MS SUE.**

We know nothing about the solids you are comparing.
*Wednesday, March 12, 2014 at 5:02pm*

**PLZZ HELP ME WITH THIS MATH MS SUE.**

@MSSUE @Anoymous
*Wednesday, March 12, 2014 at 4:52pm*

**PLZZ HELP ME WITH THIS MATH MS SUE.**

ARE THEY CORRECT? HELP ME NOW
*Wednesday, March 12, 2014 at 4:51pm*

**PLZZ HELP ME WITH THIS MATH MS SUE.**

4. For the pair of similar solids, find the value of the variable. cylinders (1 point) 3 cm 18 cm 16 cm** 2 cm 5. For the pair of similar solids, find the value of the variable. pyramids (1 point) 12 mm 48 mm** 20 mm 3 mm ARE THESE CORRECT?
*Wednesday, March 12, 2014 at 4:49pm*

**6th grade math**

The median gives you sort of a middle where half are above and half below. Use the median because Zimbabwe, Canada, and the US are not representative. As you can see, Zimbabwe pulls the average way down but is really what is often called an "outlier".
*Wednesday, March 12, 2014 at 4:39pm*

**Business Math**

Larry Mager purchased a ski lodge in Telluride for $850,000. His bank is willing to finance 70% of the purchase price. As part of the mortgage closing costs, Larry had to pay 4(1/4) discount points. How much did this amount to?
*Wednesday, March 12, 2014 at 4:36pm*

**Math special angels PLEASE JUST GIVE ME THE ANSWER**

http://www.aaamath.com/geo-comp-or-sup.htm I'll be glad to check YOUR answer.
*Wednesday, March 12, 2014 at 4:33pm*

**6th grade math**

I have to determine which method - mean, median, or mode - would be best for answering the following question: Find the average number of athletes for the sample of 7 countries listed by deciding which measure of center is the best represntation of the number of athletes from ...
*Wednesday, March 12, 2014 at 4:14pm*

**Math special angels PLEASE JUST GIVE ME THE ANSWER**

An angle measures 47 degrees. what are the measures of the angle's complement and supplement A) complement 43. suppplement 133 B) complement 133. suppplement 43 C)complement 133 supplement 143 D)complement 143 supplement 53
*Wednesday, March 12, 2014 at 4:14pm*

**Math ( trig )**

If a person on the Ferris wheel is 45 feet above the ground. The Gris wheel has a radius of 47.f and is 5 feet above the ground. At what degrees had the Ferris wheel rotated counted clockwise?
*Wednesday, March 12, 2014 at 3:59pm*

**Math ~ Check Answers ~**

I did not read it carefully.
*Wednesday, March 12, 2014 at 3:47pm*

**Math ~ Check Answers ~**

yes, 60 was correct
*Wednesday, March 12, 2014 at 3:43pm*

**Math ~ Check Answers ~**

So... is the 1st one is correct? A rectangular prism has a width of 92 ft and a volume of 240 ft^3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, if necessary. •3.8 ft^3 •60 ft^3 <<<<<< •15 ft^3 •10....
*Wednesday, March 12, 2014 at 2:46pm*

**Math ~ Check Answers ~**

If it is similar, then ALL the dimensions, not just the height, are doubled. If you double lengths, you quadruple areas A = k L^2 90 * 4 = 360 in^2
*Wednesday, March 12, 2014 at 2:21pm*

**Math ~ Check Answers ~**

A rectangular prism has a width of 92 ft and a volume of 240 ft^3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, if necessary. •3.8 ft^3 •60 ft^3 <<<<<< •15 ft^3 •10.4 ft^3 A pyramid has a height of...
*Wednesday, March 12, 2014 at 2:17pm*

**MATH**

x^2 - 4 x - 8 = 0 x = [ 4 +/- sqrt (16+32) ]/2 x = [ 4 +/- 4 sqrt 3 ] /2 x = 2 [1+/- sqrt 3 ]
*Wednesday, March 12, 2014 at 2:14pm*

**MATH**

Use your calculator to compute the actual roots. Use the Quadratic Formula to solve x2 – 4x – 8 = 0.
*Wednesday, March 12, 2014 at 2:07pm*

**Math**

Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you. See your later post.
*Wednesday, March 12, 2014 at 1:22pm*

**Math**

I would use a bar graph for both.
*Wednesday, March 12, 2014 at 1:21pm*

**math patterns and rules**

have you actually tried any of the proposed solutions?
*Wednesday, March 12, 2014 at 1:16pm*

**Liberal Arts Math II**

https://www.google.com/search?client=safari&rls=en&q=snowflake+island+perimeter&ie=UTF-8&oe=UTF-8
*Wednesday, March 12, 2014 at 1:14pm*

**math patterns and rules**

write a rule for the sequnce. 3,-3,-9,-15 a.start with 3 and add -6 repeatedly b.start with -6 snd add 3 repeatedly c.start with 3 and add 6 repeatedly d.start with 3 an subtract -6 repeatedly
*Wednesday, March 12, 2014 at 1:12pm*

**math/algebra**

1 - 1/(x-1) - 2/(x+1)
*Wednesday, March 12, 2014 at 1:08pm*

**STATISTIC HELP**

1.M&M candies are great for probability. The following tables are the color distributions for the candies. Fill in each table with the missing probability and answer the questions that follow. Plain Brown Blue Green Orange Red Yellow Probability 0.3 0.1 0.1 0.1 0.02 ??? ...
*Wednesday, March 12, 2014 at 1:08pm*

**math**

Find 2 factors in your end terms that will add to give the middle term. 18 = 9*2 = 6*3 This doesn't seem possible with your equation. Do you have a typo?
*Wednesday, March 12, 2014 at 1:07pm*

**math/algebra**

Express x^2 - 3x/x^2 - 1 As partial fractions
*Wednesday, March 12, 2014 at 11:51am*

**math/algebra**

Express x^2 - 3x x^2 - 1 As partial fractions
*Wednesday, March 12, 2014 at 11:42am*

**math/algebra**

This was actually just like the last one. It is your turn to do them now. I already passed the course.
*Wednesday, March 12, 2014 at 11:18am*

**math/algebra**

x+z = 1 so z = (1-x) 2 x + 1 y = 1.5 so y = (1.5 - 2x) x + y + z = 0.5 so x + (1.5-2x) + (1-x) = 0.5 x + 1.5 - 2x +1 - x = 0.5 -2 x + 2.5 = 0.5 2 x = 2 x = 1 etc
*Wednesday, March 12, 2014 at 11:16am*

**math/algebra**

Solve the following systems: 2x + 2z =2 4x + 2y =3 2× + 2y + 2z =1
*Wednesday, March 12, 2014 at 10:59am*

**Math**

You are welcome :)
*Wednesday, March 12, 2014 at 10:58am*

**Life science, history, geography, and maths literacy**

i say you must do history,geography,pure math
*Wednesday, March 12, 2014 at 10:49am*

**math/algebra**

z = (2-x) y = (3-x) x -(3-x) +(2-x) = 1 x - 3 + x + 2 - x = 1 x - 1 = 1 x = 2 z = 0 y = 1
*Wednesday, March 12, 2014 at 10:44am*

**Math**

Thank u so much
*Wednesday, March 12, 2014 at 10:42am*

**Math**

20 k = 1980 k = 99 yes correct
*Wednesday, March 12, 2014 at 10:41am*

**math/algebra**

Solve the following systems: 1) x+z=2 2x+y=3 X-y+z=1
*Wednesday, March 12, 2014 at 10:38am*

**Math**

5. Solve the proportion using cross product 18/20 = k/110 A. 99 (my answer) B. 122 C. 33 D. 2.9 (my answer) The reason why I picked 2 of them were because I'm stuck between the two
*Wednesday, March 12, 2014 at 10:36am*

**math**

2 x^2 -2 = 0 2 (x^2-1) = 0 (x-1)(x+1) = 0 x = 1 or x = -1
*Wednesday, March 12, 2014 at 10:36am*

**liberal arts math**

(4x+1)^2 = 4x(4x+1) + 1(4x+1) =16 x^2 + 4x + 4 x + 1 = 16 x^2 + 8 x +1 or do FOIL if you know it. so: - x^2 + 3 = 16 x^2 + 8 x + 1 17 x^2 + 8 x - 2 = 0
*Wednesday, March 12, 2014 at 10:34am*

**Math**

Is 5. 2.9
*Wednesday, March 12, 2014 at 10:33am*

**math**

2x^2+7=9
*Wednesday, March 12, 2014 at 10:12am*

**liberal arts math**

Put the equation below in the form ax^2+bx+c=0. -x^2+3=(4x+1)^2, I've been stuck on this for the past hour, could someone please explain how to do this problem?
*Wednesday, March 12, 2014 at 10:09am*

**math**

I am a 3rd grader and I was given the same math question on March 5, 2014. My answer was and still is Marty's pizza was bigger than Luis. My teacher said that my answer was wrong because Luis ate 5/6 of his pizza. I tried to reason with her because the problem stated that ...
*Wednesday, March 12, 2014 at 9:54am*

**math**

22 Dimes 8 quarters
*Wednesday, March 12, 2014 at 8:56am*

**Math**

20 times 10 = 200
*Wednesday, March 12, 2014 at 5:27am*

**math**

First step -- talk to your teacher!
*Wednesday, March 12, 2014 at 5:27am*

**math**

i dont get how my teacher teaches she goes to fast for my to understand it what do i do
*Wednesday, March 12, 2014 at 3:00am*

**Math**

20 tens is the same as how many ones?
*Wednesday, March 12, 2014 at 2:36am*

**Math: Algebra**

I really need help ASAP! I don't actually get what the question is saying...how do you solve the equation? I know the answer, just not how to get to it! THANK YOU FOR HELPING! ~Sanja
*Wednesday, March 12, 2014 at 1:31am*

**Math: Algebra**

What is f(-2) for the function f(x)=-2/3(x)-7/8
*Wednesday, March 12, 2014 at 1:26am*

**Math**

84 = pi * 36 * h now just solve for h same for the other
*Wednesday, March 12, 2014 at 12:13am*

**math**

13/150
*Wednesday, March 12, 2014 at 12:12am*

**Math**

Rey is playing a game. For every 2 steps forward he takes, he takes one step back. Complete the function table to show Rey's steps. Then write an equation for the function table. F 2-4-6-8-10 B _ _ _ _ _
*Tuesday, March 11, 2014 at 11:40pm*

**math**

(x-6)(x+3)
*Tuesday, March 11, 2014 at 11:40pm*

**math**

The voltage (in volts) induced in a coil of wire is v = (2t + 1)^0.5. The current in the coil is initially 0.3 amps, and the inductance is 5H. What is the equation for the current in the coil?
*Tuesday, March 11, 2014 at 10:47pm*

**Math**

Where is this sign supposed to go? √ To type that sign, hold down the ALT key while you type 251 on the number keyboard.
*Tuesday, March 11, 2014 at 10:29pm*

**math**

slove for ^x x^2-3x-18=0
*Tuesday, March 11, 2014 at 10:24pm*

**math**

x^2+x-18=0 quadratic equation slove for x
*Tuesday, March 11, 2014 at 10:19pm*

**Math**

Could someone please help me solve this radical equation of 2x+7-2=x It's suppose to have the radical sign but I don't know how to put it on here. Thank you
*Tuesday, March 11, 2014 at 10:13pm*

**4th grade Math Help**

Mr.brooks brought a box of 66 acorns to class can he give 3 acorns to each of the 23 students in his class why or why not
*Tuesday, March 11, 2014 at 10:08pm*

Pages: <<Prev | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | **29** | 30 | 31 | 32 | 33 | 34 | 35 | Next>>

Post a New Question | Current Questions