• ### NEED HELP ASAP!?

A group of students played only two types of board games during recess. 1/3 of them played chess and 3/5 of them played scrabble. 1/8 of the students played both games and 23 students did not play any game at all. How many students were there?
8 mins ago
Be the first one to answer
• Edit
• We are experiencing some problems, please try again.
• ### Need help ASAP!?

Lilian gave 1/4 of her money to Simon. Then, Simon gave 1/5 of whatever he had to Lilian. Two hours later, Lilian decided to give 1/3 of whatever money he had to Simon. Finally, Lilian had 688 pesos and Simon had 872 pesos. How much did Simon have at first?
10 mins ago
• Edit
• We are experiencing some problems, please try again.
• ### Use Lagrange multipliers to find the extreme values of the function subject to the given constraint.f(x, y, z) = xy^2z; x^2 + y^2 + z^2 = 4?

15 mins ago
Be the first one to answer
• Edit
• We are experiencing some problems, please try again.
• ### What is the solution from Doctors?

20 mins ago
• Edit
• We are experiencing some problems, please try again.
• ### Help I don't understand this question?

The function f(x) = |2x + q| is defined by |2x + q| = 2x + 1 if f(x) ≥ p -(2x + q) if f(x) < p State the value of p, and find the values of q if f(-2) = 5.
55 mins ago
• Edit
• We are experiencing some problems, please try again.

2 hours ago
• Edit
• We are experiencing some problems, please try again.
• ### 3^-q * 1/27 = 81 show me how you solve this please, especially in making 1/27 a base of 3.?

2 hours ago
• Edit
• We are experiencing some problems, please try again.
• ### Help with this math question?

which of the following ratios comparing a circles circumfrenece to its diameter gives the value of pi ? A- C/d B- 4C/d^2 C- d/C D- d/2c
2 hours ago
• Edit
• We are experiencing some problems, please try again.
• ### How does one find the derivative of 2x(x^(2)+7)^(1/2)?

I get stuck factoring out the gcf of the exponents with -1/2 and 1/2 (when solving the derivative).
3 hours ago
• Edit
• We are experiencing some problems, please try again.
• ### Consider a cube of sugar 1cm length each side . If we cut the small cubes to have 1nm edges show that surface area = 600 meter square?

5 hours ago
• Edit
• We are experiencing some problems, please try again.
• ### Maths question, please bear with me. I am trying to figure out a formula I can use for times!?

I am trying to figure out a formula I can use to consistently find the midway point and 2/3 point between two times of the day. For example if the start time is 09:14 and the end time is 18:34 how do I figure out the 2/3 of that without doing it manually. And what about when it gets to 22:54 as the start time and the following 05:08 as the... show more
5 hours ago
• Edit
• We are experiencing some problems, please try again.
• ### Intergrate Nothing?

So i m given a homework question about double integration and its legit just two integral signs with a given max and min followed by dxdy. Does this mean I integrate with regards to "0"?
7 hours ago
• Edit
• We are experiencing some problems, please try again.
• ### Is the quadratic form positive definite, negative definite, positive semi-definite, negative semi-definite, or indefinite?

7 hours ago
Be the first one to answer
• Edit
• We are experiencing some problems, please try again.
• ### 1/10 of a number is 11. Find the number.?

7 hours ago
• Edit
• We are experiencing some problems, please try again.
• ### Calculus one help please!?

What is f'(-5) of y=(-4x^2-2x)(-x^2-9)
8 hours ago
• Edit
• We are experiencing some problems, please try again.
• ### If f(x) = x2/(4 + x), find f ''(4).?

9 hours ago
• Edit
• We are experiencing some problems, please try again.
• ### Find the equation for a parabola containing (6,1), (2,2), and (1,4).?

This is a horizontal parabola so the A value is 0, set the C value equal to 1 to solve. I need this solved ASAP!! Thanks!!
9 hours ago
• Edit
• We are experiencing some problems, please try again.
• ### Is this a tick?

9 hours ago
• Edit
• We are experiencing some problems, please try again.
• ### Linear algebra - is the subset a subspace?

Is the subset a subspace? S = { (x,y,z) : xy = 3 } I say no because 0 * xy != 3 but I'm not sure. I find prooving if something is a subspace really confusing.
9 hours ago