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9966 [12]
3 years ago
11

a student spent 15 minutes painting a 2 foot by 3 foot bulletin board. to the nearest tenth of a minute, how long did it take th

e student to paint 1 square foot?
Mathematics
1 answer:
Katyanochek1 [597]3 years ago
8 0
Area of the board divided by the time

2 x 3 = 6ft^2

15/6= 2.5mins
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3 0
3 years ago
Can you help me in this question?
Xelga [282]

Answer:

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Sergio039 [100]

Answer:

Step-by-step explanation:

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mario62 [17]
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3 years ago
A deck of playing cards has four suits, with thirteen cards in each suit consisting of the numbers 2 through 10, a jack, a queen
Rudik [331]
A. True. There are 52 cards total and you only pick 5. Order doesn't matter.

-------------------------------------------

B. False. Order doesn't matter so you use a combination (instead of a permutation) as choice A shows.

-------------------------------------------

C. False. The answer is roughly 0.000858 as shown by the calculation below

(13/52)*(12/51)*(13/50)*(12/49)*(11/48) = 0.000858

-------------------------------------------

D. False. See calculation below

(13/52)*(12/51)*(11/50)*(10/49)*(9/48) = 0.000495

-------------------------------------------

E. True. See calculation below

(13/52)*(12/51)*(11/50)*(10/49)*(9/48) = 0.000495
this value rounds to roughly 0.0005
6 0
3 years ago
Read 2 more answers
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