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Nataliya [291]
2 years ago
15

A parachutist jumped from an airplane at an elevation of 11,880 feet above the ground.

Mathematics
1 answer:
bogdanovich [222]2 years ago
5 0

Answer:

25.9 feet per second.

Step-by-step explanation:

For the first 14 seconds, the change in elevation was –65×14= –910 feet.

For the remaining 6.5 minutes, the change in elevation was –1,470×6.5 = –9,555 feet.

The overall change in elevation was –910+ –9,555= –10,465 feet.

The total number of seconds was

6.5×60=14+390=404 seconds. The Average change in elevation was −10,465÷404=25.9 feet per second.

[RevyBreeze]

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A motel rents double rooms at $34 per day and single rooms at $26 per day. If 26 rooms were rented one day for a total of $804,
lubasha [3.4K]

Answer: 16 double rooms and 10 single rooms were rented.

Step-by-step explanation:

Let x represent the number of double rooms that were rented.

Let y represent the number of single rooms that were rented.

The total number of rooms rented in a day is 26. It means that

x + y = 26

A motel rents double rooms at $34 per day and single rooms at $26 per day. If all the rooms that were rented for one day cost a total of $804, it means that

34x + 26y = 804 - - - - - - - - - - -1

Substituting x = 26 - y into equation 1, it becomes

34(26 - y) + 26y = 804

884 - 34y + 26y = 804

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x = 16

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3 years ago
An artist can paint
kolezko [41]

Answer:

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7 0
3 years ago
I need to find the second one show me how to
Bess [88]

Answer:

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Step-by-step explanation:

8 0
3 years ago
In a 45-45-90 triangle, what is the length of the hypotenuse when the length of one of the legs is 5 in.?
Contact [7]
Hello!

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5 0
3 years ago
Read 2 more answers
I need help with this thank you
kari74 [83]

1= 5/4

2= -103/40

1st explanation

-12/15 + 4/5 + 7/12

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2nd explanation

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-103/140

-103 / 40

8 0
2 years ago
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