All you do is subtract 81 from 9 and it’s 72 from what I understood from your question
If x = 4 is the Only Solution of the Equation x² + bx + 16 = 0
Then the Value x = 4 should satisfy the Given Equation
⇒ (4)² + b(4) + 16 = 0
⇒ 16 + 4b + 16 = 0
⇒ 4b + 32 = 0
⇒ 4b = -32
⇒ b = -8
Answer:
$5.10
Step-by-step explanation:
The owner buys 5 panes of glass for $12.75. So to find the cost of 1, we need to divide the total cost by the amount of planes. In this case, 12.75 divided by 5. This gives you $2.55 per plane. And since he is buying 2 more, we would multiply the cost of the plane (2.55) by the amount we are buying (2). So we do 2.55 X 2 and we get $5.10
Answer:
Step-by-step explanation:
This is a system of inequalities such that:
Let's start by solving for y for both equations:
Equation 1:
Equation 2:
Now if we substitute the 2nd y into the first equation we obtain:
Now we will solve for the second equation using the first result of y and we obtain:
And so our solution for the system of equations is:
As well as:
Answer:
false
Step-by-step explanation:
