You can download the answer here
bit.ly/3a8Nt8n
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:
9.5 gallons of gas
Step-by-step explanation:
Given that:
Each gallon gives 14 miles
Mrs giang wants to travel 133 miles
So
gallons she would need = 133 / 14 miles
gallons she would need = 9.5 gallons
So Mrs.giang will need 9.5 gallons of gas to visit her niece.
i hope it will help you!
Answer:
$8100
Step-by-step explanation:
There are 36 months in 3 years.
225 x 36 = $8100