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Marat540 [252]
3 years ago
15

A farmer's conveyor belt carries bales of hay from the ground to the barn loft. The conveyor belt moves at 80 ft/min. How many s

econds does it take for a bale of hay to go from the ground to the barn loft?
Mathematics
1 answer:
Snezhnost [94]3 years ago
8 0
I think the answer is 480 seconds because you have to do 60x80 because in one minute there is 60 seconds and there are 80 minutes so you have to do 60x80. I hope this helped you!
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A standard deck of cards contains 52 cards. The cards have 4 different suits: clubs, diamonds, hearts, and spades. For each suit
Taya2010 [7]

Answer:

a. 108336, b. 480200

Step-by-step explanation:

a. No. of ace cards = 4

No. of non ace cards= 48

We draw 5 cards

So,

No. of ways of 2 aces = C(4,2) C(48,3)

No. of ways of 3 aces = C(4,3) C(48,2)

No. of ways of 4 aces = C(4,4) C(48,1)

Hence

No. of ways of 2 or more aces

= C(4,2) + C(48,3) + C(48,3) + C(4,3)C(48,2) +C(4,4)C(48,1)

= 6(17296) + 4(1128) + (48)

= 108336

b. No of ways any 5 cards can be chosen = C(52,5)

No. of ways kings of diamonds or queen of hearts is chosen = C(50,5)

Hence

No. of ways of choosing king of diamonds, queen of hearts or both = C(52,5) – C(50,5)

= 480200

4 0
3 years ago
1. A set of weights includes a 5 lb barbell and 8 pairs of weight plates. Each pair, p,
lidiya [134]

Answer:

5 <= y <= 85

Step-by-step explanation:

Since the lowest weight possible is 5lbs (just the barbell and no weights) the lowest point of the range is 5lbs (the y intercept when x = 0)

The highest weight possible is 85lbs since, there is only 8 pairs of weight plates (8 is the input value) and the pairs each weigh 10lbs (the slope of the graph) + 5lbs from the barbell (y-intercept).

Using the function given, if you input 8 as the x value, you get

85 = 10(8) + 5

So the highest value of the range is 85lbs, therefore the range is 5 <= y <= 85.  

6 0
3 years ago
Morgan purchased $30.46 worth of groceries. She paid the cashier with
vlada-n [284]

Answer: 19.54

explanation:

50.00

-

30.46

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

19.54

8 0
3 years ago
Read 2 more answers
Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total
ella [17]

Answer:

3 1st class tickets and 5 coach tickets

Step-by-step explanation:

1. Subtract 3630 (cost of 3 1st class tickets) from the budget to get 1000.

2. Subtract 1000 (cost of 5 coach tickets) from your remaining budget to get 0.

8 0
2 years ago
Able, Ben and Cal each played a game able’s score was six times ben’s score, Cale score was a hird time of Able’s score write do
Deffense [45]

Answer:

6:1:2

Step-by-step explanation:

Let a = Able's score, b = Ben's score, and c = Cal's score.

Since

Able's score was 6 times Ben's score, that means a = 6b.

Cal's score was a third of Able's score, so that means c = a/3. And since a = 6b, that means c = 6b / 3 = 2b.

Thus, the ratio of Able's score to Ben's score to Cal's score, a:b:c, is 6:1:2, because c is twice as much as b and a is 6 times as much as b.

7 0
3 years ago
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