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Slav-nsk [51]
3 years ago
15

The length of the entire border of the Unites States is approximately 32,000 miles, 5 8 of which is coastline. How long is the c

oastline of the U.S., and how long are the land boundaries?
Mathematics
1 answer:
Aleksandr [31]3 years ago
7 0

Answer:the coastline is 20000 miles.

The land boundaries are 12000 miles.

Step-by-step explanation:

The length of the entire border of the Unites States is approximately 32,000 miles.

5/8 of the entire length is the coastline. It means that the length of the coastline of the U.S would be

5/8 × 32000 = 20000 miles.

Therefore, the length of the boundaries of the US would be

32000 - 20000 = 12000 miles.

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Remember: If the lines intersect, there is a solution; if the lines do not intersect, there is no solution; if the lines fall on the same line, or the equations are equivalent, then the solution is all real numbers.

8 0
3 years ago
A circular racetrack has a diameter of 1/2 mile. How far does a car travel in one lap around the track? Round to the nearest ten
dlinn [17]
Given:
Circular racetrack with a diameter of 1/2 mile

Find: how far does a car travel in one lap around the track?

We need to find the circumference of the racetrack.

Circumference is multiplying pi to the diameter of the racetrack.

Circumference = 3.14 * 1/2 mile
Circumference = 3.14/2 mile
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3 years ago
A manufacturing company ships its product in two different sizes of truck trailers. Each shipment is made in a trailer with dime
kherson [118]

Answer:

Mean volume shipped per trailer load = 2960 ft³

Step-by-step explanation:

Since both trailers are always full,

Total volume in one 30 feet trailer shipment = 8 × 10 × 30 = 2400 ft³

Total volume in one 40 feet trailer shipment = 8 × 10 × 40 = 3200 ft³

Assuming a basis of 10 shipments, 3 shipments are done using the 2400 ft³ trailer and 7 shipments are done using the 3200 ft³ trailer.

Mean volume shipped per trailer load = total volume shipped/number of shipments

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Len [333]

Angles can be used to estimate the side lengths of a shape.

The letters in order of greatest to least are (a), (b) and (c)

The sum of angles at side (a) is:

a = 30 + 50

a = 80

The sum of angles at side (c) is:

c = 50 + 90

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The sum of angles at side (b) is:

b = 40 + 90

b = 130

So, we have:

a = 80

b = 130

c = 140

The smaller the base angles, the longer the side.

Hence, the letters in order of greatest to least are (a), (b) and (c)

Read more about angles at:

brainly.com/question/11585894

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