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REY [17]
3 years ago
12

A 25

Mathematics
1 answer:
Iteru [2.4K]3 years ago
7 0

Answer:

The length of one part is 8 feet and the longer part is 17 feet.

Step-by-step explanation:

While the longer part is 1 foot more than twice the shorter part which means that l2=2x+1 l 2 = 2 x + 1

hope this helps

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What is (0.54)⋅(3.8)=
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Answer:

2.052

Step-by-step explanation:

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What is the slope of a line that is perpendicular to the line represented by the equation 3x+4y=12
S_A_V [24]
Since x=8/3 is a vertical line,the slope is undefined,
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A student says that 2 1/4 + 1 2/4 =5. Why is that answer wrong?
saw5 [17]
2 1/4 + 1 2/4 ≠ 5

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2 1/4 + 1 2/4 
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3 years ago
What is 2 1/4 + 3 2/4​
Daniel [21]

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3 years ago
The Earth completely rotates on its axis once every 24 hours.
strojnjashka [21]

Answer:

A)

62/3 = 20.67 hours

B)

60.00 hours

C)

2074.29 miles

Step-by-step explanation:

If we assume the earth is a perfect circle, then in a complete rotation the earth covers 360 degrees or 2π radians.

A)

In 24 hours the earth rotates through an angle of 360 degrees. We are required to determine the duration it takes to rotate through 310 degrees. Let x be the duration it takes the earth to rotate through 310 degrees, then the following proportions hold;

(24/360) = (x/310)

solving for x;

x = (24/360) * 310 = 62/3 = 20.67 hours

B)

In 24 hours the earth rotates through an angle of 2π radians. We are required to determine the duration it takes to rotate through 5π radians. Let x be the duration it takes the earth to rotate through 5π radians, then the following proportions hold;

(24/2π radians) = (x/5π radians)

Solving for x;

x = (24/2π radians)*5π radians = 60 hours

C)

If the diameter of the earth is 7920 miles, then in 24 hours a point on the equator will rotate through a distance equal to the circumference of the Earth. Using the formula for the circumference of a circle we have;

circumference = 2*π*R = π*D

                         = 7920π miles

Therefore, the speed of the earth is approximately;

(7920π miles)/(24 hours) = 330π miles/hr

The distance covered by a point in 2 hours will thus be;

330π * 2 = 660π miles = 2074.29 miles

8 0
3 years ago
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