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Lynna [10]
3 years ago
13

You know the distance between two cities is 140 miles. What is the distance in kilometers?

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
7 0
The unknown is the distance in kilometres
The given is the distance in miles=140 miles
1 mile=1.6093km
140 miles=?
140/1*1.6093km=225.302km
Therefore the 140 miles in km is 225.302km
Marysya12 [62]3 years ago
6 0

Answer:

225.302 km.

Step-by-step explanation:

Given :The distance between two cities is 140 miles.

To Find: What is the distance in kilometers?  

Solution:

The distance between two cities = 140 miles

1 mile = 1.6093 km

140 miles = 140 \times 1.6093

               = 225.302

The distance between two cities in km = 225.302 km

Hence the distance in kilometers is 225.302 km.

So, Option C is true .

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A student has a savings account earning 3% simple interest. She must pay $1900 for first-semester tuition by September 1 and $19
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Answer:

$3781.19

Step-by-step explanation:

Let us assume that the student has to earn $(1900 + x) by September 1 so that he can pay the $1900 tuition fee by September 1 and the remaining $x will grow at 3% simple interest to make him able to pay another tuition fee of $1900 by January 1.

So, we can write x( 1 + \frac{4 \times 3}{12 \times 100}) = 1900

{Because September 1 to January 1 is 4 months and the monthly simple interest rate is \frac{3}{12}%}

⇒ 1.01x = 1900

⇒ x = $1881.19 (Rounded to the nearest cents)

Therefore, the student has to earn $(1900 + 1881.19) = $3781.19 (Answer)

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3 years ago
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Paha777 [63]
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3 0
3 years ago
The radius of a sphere is 5 yards. Find the<br> volume of the sphere.
FinnZ [79.3K]

Answer:

V = 523.6 yd³

Step-by-step explanation:

The equation for the volume of a sphere of radius r is

V = (4/3)πr³

and if we substitute 5 yds for r, we get

V = (4/3)*π*(5 yd)³, or

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3 0
3 years ago
Jose runs 3 mikes in 28 minutes. At the same rate, how many miles would he run in 42 minutes?​
My name is Ann [436]

Answer:

4.5 \: miles

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3 \: miles \: in \: 28 \: minutes.

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