Answer:
x = ±10
Step-by-step explanation:
4x² - 400 = 0
Add 400 to both sides
4x² = 400
Divide both sides by 4
x² = 100
Take the square root of both sides
x = ±10
Answer: 52 weeks
Step-by-step explanation:
There are 52 weeks in a year, so she should divide her number by 52.
The missing part is the number
Volume = (1/3) * base area * height
= 1/3 * 24 * 18
= 144 ft^3
Answer:
Step-by-step explanation:
Circumference = 6π
θ = 8/3 = 2.7 radians