I am currently in grade 11 and I am purchasing a graphics calculator for school I have 2 options the ti inspire cxii cas and the non cas version. They are the same price ...
Determine all triples (x, y, z) of integers that satisfy the equation: x^2+ y^2+ z^2 - xy - yz - zx = 3
So I'm learning Algebra 2 and brushing up on Algebra 1 when needed throughout my lessons on Khan Academy. It's making quite a bit of sense but my question is how do I dev...
If anyone can help me with this or point me in the right direction I would appreciate it! If I have a dataset of 300 measurements of sand grain diameters, the min of whic...
Problem: Terrence has a total of ninety P20, P50, and P100-bills. He has three and a half times as many P50 as P20 bills, and one-half as many P100 as P20-bills. How much...
Anyone know of a good app for a teen to memorize multiplication tables? The games I’ve seen are really geared towards little kids, but he didn’t do too well back in 3...
The measures of two angles in a trapezoid are in the ratio of 2:4. The measure of the larger angle is twenty-four degrees less than three times the smaller angle. What is...
... other than "practice more", because I want to know how/what specifically I should be practicing to get better at this. It's a big issue on tests; there's been many in...
Pf. Let a, b be integers. Assume 3|ab and 3 does not divide a. Prove 3|b (meaning 3xinteger=b) So, ab=3k for some k integer. Then b=3(k/a) I cannot claim that k/a is an i...
Hi all - another proof problem I'm stuck on. We are assuming that every prime number greater than 3 is an average prime (average of 2 unique prime numbers) and every posi...
12-digit number of 0s and 1s. The number starts and ends with the digit 1 and there can‘t be more than 2 neighbouring digits that are the same. (eg. 101100101011) How m...
t(x)=5/x -x High school student here, I am learning about rational functions, and this similar function appears on my homework. Is this a special function or just another...