This is Pythagorean theorem.
We already know a and c.
a = 4 and c = 10
4² + b² = 10²
16 + b² = 100
Subtact 16 from each side.
b² = 84
Square root of each side:
b = ≈9.165 or √84
Hope this helps!
Answer:
Element A: 5
Element B: 3
Element C: 0
Step-by-step explanation:
Magnitude of -3 = 3.
Remove (-) to find magnitude.
Positive and zero value have same value for magnitude.
Answer:
B
Step-by-step explanation:
"Is the same as" means an = sign, necessary for an equation!
Answer:
Step-by-step explanation:
The interval notation will be:
The contrary,
is 
