answers pls fast!!!!
Answers
Answer:
1. d)
Step-by-step explanation:
1. In d option √20+5 is written if we + 20 and 5 we get 25 and √25 can be written as 5 so it a rational number.
Answer:
2. A
3. A
Step-by-step explanation:
2. price of the car = $400
Company sell it at 15% profit = 400×15/100
= $60
New price = 400+60
= $460
Mechanic sells the car to customer at 15 % profit
= 460×15/100
= $69
New price = 460+69
= $529 selling price to the customer.
3. radius of the circle is 6 cm
Diameter = 12 cm
radius = d/2
= 12/2
r = 6 cm.
when the diameter is given we used the formula d/2.