Answer:
Exact Form:
x
=
64/21e
Decimal Form:
x
=
1.12115639
Step-by-step explanation:
The answer to this is 5a-7
Answer:
79 inches
Step-by-step explanation:
1 foot equals 12 inches
6 feet = 6*12 = 72 inches
72+7=79
79 inches
Answer:
15(2) + x(2)= perimeter
Step-by-step explanation:
Answer:
b = 6
Step-by-step explanation:
You probably already know the general equation from the my last couple of answer.
In this question, we have:
a=8
b= ?
c= -10 , c is the value of the foci
surprisingly, you can solve the value for a, b, and c using the same equation as the Pythagorean theorem.
c² = a² + b²
we need to solve for b so lets rearrange the equation.
b² = c² - a²
b = ±√(c² - a²)
b = ±√((-10)² - (8)²)
b = ±√((-10)² - (8)²)
b = ±√(100 - 64)
b = ±√(36)
b = ±6
b = 6
