Answer:
$57.63
Step-by-step explanation:
For x > 3, the price in dollars Mr. Roshan will pay for x pounds of beef is ...
cost = 4.99×3 +4.49(x -3) = 3(4.99 -4.49) +4.49x
cost = 1.50 +4.49x
Then for x = 12.5 pounds, the cost is ...
cost = 1.50 +4.49×12.5 = 1.50 +56.13
cost = 57.63
Mr. Roshan will pay $57.63 for 12.5 pounds of beef.
Answer:
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The inequality is 45 + 2x < 120.

Solution:
Given a cost of video game = $45
Number of game controllers bought = 2
Each controller costs the same amount.
Total amount to spend = $120
Let x be taken the cost of game controller.
So, 45 + 2x < 120
Subtract 45 on both sides of the inequality.
⇒ 45 + 2x – 45 < 120 – 45
⇒ 45 – 45 + 2x < 120 – 45
⇒ 2x < 75
Divide by 2 on both sides of the inequality, we get
⇒ 
Hence, Kevin spend $
for each game controller.
It is 15 meters long on each side.
You find the square root of 225 which is 15, because when you multiply 15 by 15 you get 225.
Answer:
Evaluate the function : F (x) = 17x - 51
exact value: F= -17 - 51/x
solve for x : x= - 51/F+17
graph: F (x) = 9* -3 +10 * -2 - 17x - 2
find the roots: x = -3
Step-by-step explanation: