Hello,
x²=49
==>(x+7)(x-7)=0
x=7 or x=-7
Answer:
Step-by-step explanation:
Given
See attachment
Required
The perimeter of ABC
First, calculate the lengths of AC and BC.
From the attachment.
So, we have:
Also:
Recall that:
So:
So, we have:
To calculate BC, we have:
The perimeter is then calculated as:
Answer:
12
Step-by-step explanation:
113.04=3.14 x 3^2 x h/3
Answer:3.55 liters of paint are in each container
Step-by-step explanation:
Total amount of paint ( purple paint ) =Amount of red paint + Blue paint
= 6.42 Liters + 6.87 Liters
=13.29Liters
Amount of paint in the three containers = Total amount of paint ( purple paint ) - amount left over = 13.29- 2.64
=10.65Liters
Amount OF Paint in each container = Amount of paint in the three containers / 3
10.65/ 3
=3.55 liters