The least number of classes needed for all the students to be registered in a class is 21 classes.
He has 11 quarters and 16 dimes
25*11 is 275 + 170 is 435.
Answer:
x = 90°
y = 43°
Step-by-step explanation:
We know that one angle equals 47°.
The two triangles are right triangles, so that makes x = 90°.
To find y, we add 90 + 47.
That would give us 137°.
All triangles add up to 180°.
180 - 137 = 43.
43° is the answer.
You can multiply each top and bottom by sqrt 15
then it will be
