The sulfate ion formula is SO42-
Answer:
Mrs. Grayson, the much loved teacher of first grade, retired last year.
Explanation:
The subject of this sentence is Mrs. Grayson, and the sentence says she retired last year at age seventy two. "The much loved teacher" describes Mrs. Grayson, and should have a comma after (and before it).
Explanation:
Given
perpendicular (p) = 48
base(b) = 14
hypotenuse (h) = x = ?
We know by using Pythagoras theorem
x² = p² + b²
x² = 48² + 14²
x² =2304 + 196
x² = 2500
x = √2500
Therefore x = 50
Hope it will help you :)