Answer:
Option D
Step-by-step explanation:
![F=\frac{9}{5}C+32\\\\F-32=\frac{9}{5}C \\\\5(F-32)=9C\\\\\frac{5(F-32)}{9}=C \\\\C=\frac{5}{9}( {F-32})](https://tex.z-dn.net/?f=F%3D%5Cfrac%7B9%7D%7B5%7DC%2B32%5C%5C%5C%5CF-32%3D%5Cfrac%7B9%7D%7B5%7DC%20%20%5C%5C%5C%5C5%28F-32%29%3D9C%5C%5C%5C%5C%5Cfrac%7B5%28F-32%29%7D%7B9%7D%3DC%20%20%5C%5C%5C%5CC%3D%5Cfrac%7B5%7D%7B9%7D%28%20%7BF-32%7D%29)
For F=77°F
![C=\frac{5}{9}(F-32) \\\\C=\frac{5}{9}(77-32)\\\\C=\frac{5}{9}(45)\\\\C=\frac{225}{9} \\\\C=25](https://tex.z-dn.net/?f=C%3D%5Cfrac%7B5%7D%7B9%7D%28F-32%29%20%5C%5C%5C%5CC%3D%5Cfrac%7B5%7D%7B9%7D%2877-32%29%5C%5C%5C%5CC%3D%5Cfrac%7B5%7D%7B9%7D%2845%29%5C%5C%5C%5CC%3D%5Cfrac%7B225%7D%7B9%7D%20%5C%5C%5C%5CC%3D25)
11.7
Formula: a^2 + b^2 = c^2
so substitute the numbers like this:
10^2 + 6^2 = c^2
both 10^2 and 6^2 are perfect squares:
10 × 10= 100 and 6 × 6= 36
100 + 36= c^2
add:
100 + 36 =
136 = c^2
now in order to get rid of the squared, you put it into a radical:
√136 = √c^2
note: whatever you do on one side, you do to the other
it's easier to use the calculator for this so put √136 and you're gonna get 11.66
since it's asking you to round it to the nearest tenth:
11.66 = 11.7
sorry if the explanation is kinda long ✋ i tried explaining it better in the end but i failed
Answer:
32 °F
Sorry if I'm wrong
Step-by-step explanation:
90x + 4
Factor out GCF
2 ( 45x + 2)