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Licemer1 [7]
3 years ago
10

A pronghorn antelope can run at speeds of about 59 miles per hour. What is that speed in feet per second, to the nearest whole n

umber? (Remember, there are 5280 feet in a mile, 60 seconds in a minute, and 60 minutes in an hour.)
Mathematics
2 answers:
Yakvenalex [24]3 years ago
6 0

Answer:

87 \frac{feet}{s}

Step-by-step explanation:

We know that there are 5280 feet in a mile, 60 seconds in a minute, and 60 minutes in an hour.

To know what the speed of the antelope will be in feet per second we will use a conversion factor.

\frac{59 miles}{1h} .\frac{5280 feet}{1 mile}= 311520 \frac{feet}{h}

We know that one hour has 60 minutes and that one minute has 60 seconds. We use a simple rule of three to know how many seconds are in an hour

1min \longrightarrow 60s\\ 60 min\longrightarrow x\\ x= \frac{(60)(60)}{1}= 3600

311520\frac{feet}{h}.\frac{1h}{3600s}= 87 \frac{feet}{s}

the speed of the antilope is 87 \frac{feet}{s}

SIZIF [17.4K]3 years ago
4 0

The antelope can travel at a speed of (rounding to) 87 feet per second.

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George plans to cover his circular pool for the upcoming winter season. The pool has a diameter of 20 feet and the cover extends
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Answer:

Area of Pool cover: 110.25π

Length of rope: 21π

Step-by-step explanation:

To find the area of a circle the formula is πr^2.

1. take 10.5, which is half of the diameter and multiply it by itself then multiply by pi(π). Answer is 110.25π

To find the length of the rope(circumference) the formula is 2πr.

1. Take r, which we established as 10.5 then multiply it by 2, which is 21. Then multiply by π. Answer is 21π

____________________________________________________________

If ur teacher wants you to use 3.14 as pi then these are your answers:

Area of Pool cover: 346.185, round up to 346.19 if needed

Length of rope: 65.94

8 0
3 years ago
If there are 6 hours in a school day, 5 school days in a week, 4 school weeks in a month and 9 months in a school year, how many
MA_775_DIABLO [31]
1080, because 6x5= 30 30x4= 120 120x9= 1080 
8 0
3 years ago
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The following data shows the quarterly profit (in thousands of dollars) made by a particular company in the past 3 years.
laiz [17]

Answer:

208.82 ; 61.33

Step-by-step explanation:

Given the data:

Year Quarter Profit ($1000s)

1 1 45

1 2 51

1 3 72

1 4 50

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2 2 45

2 3 79

2 4 54

3 1 42

3 2 58

3 3 70

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The 3 period moving average :

Yr Qtr Profit ($1000s)Pt ____ Ft ____ e=(PT-Ft)²

1 _ 1 ___45 __

1 _ 2 __ 51 __

1 _ 3 __ 72 __

1 _ 4 __ 50 ______________56 ____ 36

2 _ 1 __ 49 ______________57.67__ 75.17

2 _ 2__ 45 ______________57 ____ 144

2 _ 3__ 79 ______________48 ____961

2 _ 4__ 54 ______________57.67 _ 13.47

3 _ 1__ 42 ______________59.33__300.33

3 _2 __ 58 ______________58.33__ 0.11

3 _ 3__ 70 ______________51.33__ 348.57

3 _ 4 __56 ______________56.67__0.45

MSE = Σ(Pt - Ft)² ÷ n

MSE = (36+75.17+144+961+13.47+300.33+0.11+348.57+0.75) ÷ 9

= 208.82

Forecast for next quarter :

(58 + 70 + 56) / 3 = 184 /3 = 61.33

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3 years ago
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