Answer:
Step-by-step explanation:
Let's solve the second equation for a to later on replace it in the first equation.
Now plug this into the first equation.
Distribute the 9
Break down the fraction.
Simplify.
Subtract
Combine like terms.
Muliply by the reciprocal or inverted fraction next to b.
Now plug this value into any of the equations to find the value of a.
Answer: 30^2 * pi = 2827.43.
Step-by-step explanation:
what are you asking? It doesn't show anything
Answer:
$3768
Step-by-step explanation:
The amount of sales will be the product of the selling price of each book and the number of books sold.
sales = book price × number of books
sales = $24 × 157 . . . . . . . . books sold on Saturday
sales = $3768 . . . . . . . . . . . sales on Saturday
Answer:
y = x + 2
Step-by-step explanation:
slope = Δy / Δx = (1-2) / (-1 - 0) = 1
pass (0,2): y intercept = 2 b=2
y = mx + b
equation: y = x + 2