Answer:
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Step-by-step explanation:
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15) It is given that the charge of the waffle cone = $1.85
Charge per scoop of an ice cream = $0.60
Let C be the total cost.
So, total charge of one wafflce cone ice cream = charge of the waffle cone + (0.6 times number of scoops
C = 1.85 + 0.6x
16) To find the cost for 6 scoops of ice cream, put x = 6 in the above expression and simplify.
C = 1.85 + 0.6(6)
= 1.85 + 3.6
= 5.45
Hence, cost of 6 scoops of ice cream = $5.45.
The answer is A
Hope this helps you!
Answer:
<u>There are:</u>
- 6 red balls - R
- 5 black balls - B
- Total number = 11 balls
<h3>A. Without replacement</h3>
i. <u>Two blacks </u>
ii. <u>The first is black</u>
or, alternatively
- P(BR or BB) = 5/11*6/10 + 2/11 = 3/11 + 2/11 = 5/11
iii. <u>Both are of same colour</u>
- P(BB or RR) = 2/11 + 6/11*5/10 = 2/11 + 3/11 = 5/11
<h3>B. With replacement</h3>
i. <u>Two blacks </u>
- P(BB) = 5/11*5/11 = 25/121
ii. <u>The first is black</u>
or alternatively
- P(BR or BB) = 5/11*6/11 + 25/121 = 30/121 + 25/121 = 55/121 = 5/11
iii. <u>Both are of same colour</u>
- P(BB or RR) = 5/11*5/11 + 6/11*6/11 = 25/121 + 36/121 = 61/121
