It works because 7 x 9 x 10 is the same thing as 7 x 90, since 9 x 10 is just 90. So basically he is just writing more but the answer will still be the same.
Answer:
46°
Step-by-step explanation:
Answer:
2*2*2*3*3*7
Step-by-step explanation:
prime facotrization = 2^3 x 3^2 x 7^1
2 x 2 x 2 x 3 x 3 x 7 = 504
Answer:
4/5
Step-by-step explanation:
Take two points on the lines. From here, we can get (5, 2) and (10, 6). Slope formula involves taking RISE/RUN, which is where you take y-y/x-x. <u>Stay consistent on how you order the numbers.</u> I like positive numbers, so we'll do (6-2)/(10-5). That gives us 4/5, which is your slope.
