3x-6y. you need to take away the parentheses and combine like terms
Answer:
6584.22
Step-by-step explanation:
used a calculator (ti-84 plus tx instruments)
Answer:
y = 3x + 15
Step-by-step explanation:
1. Find the reciprocal of the slope and change signs: -3
2. y = 3x + b
3. Plug in x and y --> b = 15
4. Make your equation using y = mx + b: y = 3x + 15
Answer:
a)
Step-by-step explanation:
Cost function = revenue function - profit function
= -0.3x² + 150x - [-0.5x² + 250x - 300]
= -0.3x² + 150x + 0.5x² - 250x +300
= -0.3x² + 0.5x² + 150x - 250x + 300 {Combine like terms}
= 0.2x² - 100x + 300
Answer:
$90.90
Step-by-step explanation:
The item normally costs $110.99. If the sporting goods store is offering a 10% discount, it means that the price including the discount will be:
$110.99 x 0.90 = $99.891.
the in-line skates cost with the discount $99.89, not including taxes.
