38.5 is equal to 38 1/2
38*2+1= 77, so the fraction in its simplest form is 77/2
Answer:
70° and 20°
let the other 2 angles be 7x and 2x
90+7x+2x=180
9x=180-90
x=90/9
x=10
7x=7x10
70
2x=2×10
2p
Answer:
log base 10 of 40/9, log(40/9), or 0.6478
Step-by-step explanation:
Easiest and fastest way to do this is to plug it into the calc because the log base 10 of those numbers given will be nasty decimals.
Answer:
13.9 inches
Step-by-step explanation:
Let the length of diagonal of cube be d inches.

I think it would be:
10, 12.5, 17, 19.5, 23
hope it helps