Một tam giác có một góc bằng 60° mà hai cạnh kề góc này có một cạnh bằng một nửa cạnh kia thì đó là tam giác vuông.

What is the prime factorization of 195

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a. m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?