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Zarrin [17]
3 years ago
14

Bart is jogging on a circular trail in a state park. The diameter of the trail is 650 meters. What approximate distance does Bar

t cover in one lap around the park? 1,326,650 meters 331,662.5 meters 2,041 meters 1,020.5 meters
Mathematics
2 answers:
yuradex [85]3 years ago
7 0

Answer:

The correct option is C. 2041 meters.

Step-by-step explanation:

Diameter of the trail is given to be 650 meters

So, Radius of the trail is half of the diameter.

⇒ Radius of the trail = 325 meter

We need to find the approximate distance covered by Bart in one lap around the park.

So, we will the circumference of the circle with radius 325 meters

⇒ Circumference of circle = 2π × Radius

                                            = 2 × 3.14 × 325

                                            =2041 meters.

Hence, The approximate distance covered by Bart in one lap around the park = 2041 meters.

Thus, The correct option is C. 2041 meters.

Nuetrik [128]3 years ago
5 0
L=2πr
r=d/2=650 m/2 =325 m

l=2π(325m)= 650π meters=650x3.14=2041 meters
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Julli [10]

Answer:

29037.036 miles

Step-by-step explanation

There are two possible ways to solve this problem.

The first option starts with the $2800 dollars for the years. You first want to divide this by $2.70, because it will give you the amount of gallons of gas you can buy with that money.

2800/2.70 = 1037.037

This means you can buy 1037.037 gallons of gas in the year. Now you need to convert this to miles by multiplying by the amount of miles per gallon.

1037.037 x 28 = 29037.036 gallons

The second way to look at this is dimensional analysis. If you have learned this, then continue on reading this, but if you haven't I might only confuse you. I only suggest this because it can make it a little easier.

For the dimensional analysis, you need to start with what you are given and move to what you need to know, so you will start with the $2800 dollars and move to gallons. $2.70 per gallon and 28 miles per gallon are your conversion factors.

Set it up like this:

2800 dollars  * \frac{1 gallon}{2.70 dollars} * \frac{28 miles}{1 gallon}  = 29037.036 miles

This allows the equation to be more organized, and you can check your work by canceling the units.

Hope this helps.

3 0
2 years ago
Which fraction is equivalent to 38%?<br> 3/8<br> 9/25<br> 19/50<br> 3 4\5
KonstantinChe [14]
In order to find a fraction, We know that a percentage is out of a 100. This means we can now place our fraction as:

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In order to find the actual fraction, we will want to simplify. Lets find our least common factor and work down from there. Since we know that 2 can go into both of them, lets reduce by 2.

This means our fraction will now look like: 

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3 years ago
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andrew-mc [135]

The generic equation of the line is:

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Where,

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(T0, H0): ordered pair belonging to the line.

The slope of the line is:

m =\frac{H2-H1}{T2-T1}

Substituting values we have:

m =\frac{15-17}{5-3}

Rewriting:

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Then, choosing an ordered pair we have:

(T0, H0) :( 5, 15)

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Answer:

a linear equation to model the relationship between height H of the candle, and T time is:

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Answer:

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