7:11 it's easier to bring the 150 over on the otherside and set it as the denominator under 10 then reduce both numbers and/or do the long div. That is faster and simpler.
Could you do the 60 to 25 with the decrease formula had some issues with this one you didn’t do an example of decrease 60-25/60 x100 got 35/60x100 how should we simplify this more or is that all we can do
WOW ... 20:40 the estimation should be 48,000 as answer. There's several ways of answering it. Bottom-line, his example could be done his way but is very inefficient and was done wrong too .. he forgot to reduce the 2nd number down to a fraction. He's supposed to take away NOT reduce to just zeros. He increased the 1st number by 1,000 x's.. thus he would need to do the oppositive on the 2nd number by 1,000x to balance it. 800,000 x 0.6 = 48,000. That's not how I would do it, but I was trying to correct what he already started. Don't believe me then use your calculator and then round to closest which is 48K. NOT 48milliion.
Thank you for the math, but I am confused about the triangle problem, you give two sides of a triangle as 3 and 5, shouldnt` the longer side be the square root of the other two sides squared ie a^2 + b^2 = c^2
7:11 it's easier to bring the 150 over on the otherside and set it as the denominator under 10 then reduce both numbers and/or do the long div. That is faster and simpler.
how do you know whether to move the decimal to the right two places and to the left two places ?
Could you do the 60 to 25 with the decrease formula had some issues with this one you didn’t do an example of decrease 60-25/60 x100 got 35/60x100 how should we simplify this more or is that all we can do
if you calculate it becames 58% this is the percentage of decrease.
WOW ... 20:40 the estimation should be 48,000 as answer. There's several ways of answering it. Bottom-line, his example could be done his way but is very inefficient and was done wrong too .. he forgot to reduce the 2nd number down to a fraction. He's supposed to take away NOT reduce to just zeros. He increased the 1st number by 1,000 x's.. thus he would need to do the oppositive on the 2nd number by 1,000x to balance it. 800,000 x 0.6 = 48,000. That's not how I would do it, but I was trying to correct what he already started. Don't believe me then use your calculator and then round to closest which is 48K. NOT 48milliion.
Thank you for the math, but I am confused about the triangle problem, you give two sides of a triangle as 3 and 5, shouldnt` the longer side be the square root of the other two sides squared ie a^2 + b^2 = c^2
He was calculating the area of the triangle(base x height x 1/2). Pythagorean’s Theorem is used to calculate missing perimeter
So easy to understand
Dr. Moore...same last name as my son☺
I don’t think the decimal is in the right place at about 23 min I think the answer should be .233
Your videos are amazing & have taught me so much! I sub'd, thumbs up'd, and look forward to your next video 👍
So glad to hear that!