Answer:
Step-by-step explanation:
The quadratic formula of a quadratic equation
We have the equation:
Substitute:
Answer:
or
Step-by-step explanation:
Given
Required
Determine the probability of selecting Black and Red
First, we need to calculate the number of red and black balls
The probability is calculated as thus:
Convert to mathematical expressions
Solve for each probaility;
So, we have:
or
Answer:
x=1/2, y=-2. (1/2, -2).
Step-by-step explanation:
4x-2y=6
y=-2x-1
-------------
4x-2(-2x-1)=6
4x+4x+2=6
8x+2=6
8x=6-2
8x=4
x=4/8
simplify
x=1/2
y=-2(1/2)-1
y=-2/2-1
y=-1-1
y=-2
Answer:
2 kilograms = 4.4 pounds (Approximately)
Step-by-step explanation:
Given:
1 kilogram = Approximately 2.2 pounds
Find:
number of pounds in 2 kilograms = ?
Computation:
We know that,
⇒ 1 kilogram = Approximately 2.2 pounds
So,
⇒ 2 kilograms = 2 × (Approximately pounds in 1 kilogram)
⇒ 2 kilograms = 2 × (Approximately 2.2 pounds)
⇒ 2 kilograms = 4.4 pounds (Approximately)
Answer:
As it sounds, the idea itself.
Step-by-step explanation: