Answer:
A=4
Step-by-step explanation:
Mariya was solving:
4x2-20x+3=0
4x2-20x=-3
A(x2-5x)=-3
At this point, we can know that 4*x2=4x2 and 4*5x=20x, son A=4
<h3>Answer : </h3>

<h3>Solution :</h3>

By taking LCM = 4 × 9 = 36





Answer:
60 miles
Step-by-step explanation:
Let
x ----> the number of miles
we know that
The number of miles multiplied by $0.60 per mile plus $2 plus the charge of $5.50 for tolls (because you are travelling from the airport) must be equal to $43.50
so
The linear equation that represent this problem is

Solve for x
Combine like terms left side

subtract 7.50 both sides


divide by 0.60 both sides

Answer:
? = 8a
The other blank textbox = 35
Step-by-step explanation:
You are using the distributive property which means multiplying the number in front of the parentheses to the equation within the parentheses.
The number in-front is '8' for this equation.
The equation within the parentheses is ( a + 5 )
8 ( a + 5 )
You multiply the 8 to the equation in the parentheses.
8 * a
8 * 5
8 * a = 8a
8 * 5 = 40
So,
? = 8
The other blank equals 40