The area of a triangle is hb/2, we are told the base but not the side lengths. The side length can be found using the pythagorean theorem.
s^2=(b/2)^2+h^2
The height can be found from the area because:
A=bh/2 so
h=2A/b then our pythagorean identity becomes:
s^2=(b/2)^2+(2A/b)^2
s^2=b^2/4+4A^2/b^2 or a little more neatly
s^2=(b^4+15A^2)/(4b^2), we were told A=150 and b=12 so
s^2=358236/576
s=√(358236/576) ft
s≈24.939 to nearest thousandth (which means that they actually rounded wrong because that's...
s≈24.9 to nearest tenth (they must have made earlier rounding somewhere in the earlier calculations, that's why you use symbols until the final calculation :P)
Anyway, they rounded to 25.0
sorry I don't know????????
Answer:
4. 3.18
Step-by-step explanation:
-
- log167 ≈ 2.222
- log5 ≈ 0.700
- 2.222/0.7 ≈ 3.17
- 3.17 is close to 3.18
Therefore, the answer is 4. 3.18.
Have a lovely rest of your day/night, and good luck with your assignments! ♡
~ ren
Answer:
it would be 20%
Step-by-step explanation:
out of 100% you would subtract the 23%, 30%, 15% and, 12% and you would get 20%