Answer:
New price of the ball after discount = $16.65
Step-by-step explanation:
Selling price of the soccer ball = $45
Discount labeled on the ball = 63% off
Therefore, selling price after the discount = Original selling price - %discount
= $45 - (63% of $45)
= $45 - $28.35
= $16.65
New price of the ball after discount = $16.65
Answer: x = -1/2
4x² + 4x + 1 = 0
⇔ (2x + 1)² = 0
⇒ 2x + 1 = 0
⇔ x = -1/2
Step-by-step explanation:
Answer:
-0.42
Step-by-step explanation:
Answer: x = 20.
Step-by-step explanation:
x and (3x + 10) combine to form a right angle, shown in the diagram by the small square joining the perpendicular lines.
Right angles are 90 degrees, so you can add both angles to get 90:
![x + (3x + 10) = 90\\\\4x + 10 = 90\\\\4x = 80\\\\x = 20](https://tex.z-dn.net/?f=x%20%2B%20%283x%20%2B%2010%29%20%3D%2090%5C%5C%5C%5C4x%20%2B%2010%20%3D%2090%5C%5C%5C%5C4x%20%3D%2080%5C%5C%5C%5Cx%20%3D%2020)