What is the surface area of a sphere that has a diameter of 1.5 in.? A) 7.07 in.2 B) 8.64 in.2 C) 18.84 in.2 D) 28.26 in.2
1 answer:
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Answer:
Each oven is discounted by $20.
Step-by-step explanation:
Original price of oven in dollars =
To find total cost for 9 such ovens without discount we will apply unitary method.
If 1 oven costs in dollars =
Then 9 ovens will cost in dollars =
The ovens are purchased by a restaurant supplier at some discounted price.
The new price after discount in dollars =
We see that the total cost of 9 ovens which was originally has been decreased to
after discount.
The decrease amount is the discount amount on 9 ovens which is = $180
To find discount offered on each oven, we will again use unitary method.
Discount on 9 ovens = $180
∴ Discount on 1 oven =
∴ Each oven is discounted by $20.
Answer: The probability that his friend doesn't make a shot until his 5 th attempt is 0.00128.
Step-by-step explanation:
Since we have given that
Probability of making his shot = 80%
Probability of missing his shot = 20%
We need to find the probability that his friend doesn't make a shot until his 5th attempt.
So, our required probability would be
Hence, the probability that his friend doesn't make a shot until his 5 th attempt is 0.00128.
