The area of a triangle is base length x height then divide all by 2,
so 12 x 10 /2
=60 ft²
828.6 repeating (or 829 rounded up) feet per second.
The least number of classes needed for all the students to be registered in a class is 21 classes.
Answer:
Tyler should buy 2 goldfishes for his fish tank,
Step-by-step explanation:
First let's find the volume of the sphere, using the following equation:

The radius is half the diameter, so the radius is 14/2 = 7 inches
Now, finding the volume, we have:


Now, we know that we need to have 1 goldfish for every 693 in3 of water, so to find the number of goldfishes, we just need to divide the volume of the sphere by 693 (and round down the result if needed):

Tyler should buy 2 goldfishes for his fish tank,