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Mariana [72]
3 years ago
6

The number 42 is composite or prime.

Mathematics
2 answers:
iren [92.7K]3 years ago
8 0

Answer:

Composite

Step-by-step explanation:

Composite means having more than 2 factors

42

1, 42, 2, 21, 6, 7 are the factors therefore, it is composite

-BARSIC- [3]3 years ago
5 0

Answer:

The number 42 is composite

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The graph shows the temperature of coffee while it cools.
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Answer:

10 Minutes

Step-by-step explanation:

At roughly 10 minutes, the y-axis meets a point at the x-ais that can be shown as (40,10)

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2 years ago
Name three faces of the cube that intersect at point G.
sveta [45]
I am not completely sure how to name faces, but I will name them using all four points.

Faces DCBA
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HELP FAST PLEASE !!! This symbol π is called ___ and is approximately equal to ___ .
pashok25 [27]
Pi and it’s equal to 3.14
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What is the value of x ?
Lostsunrise [7]

Vertical angles are congruent (equal), and the angles below are vertical angles.

x + 40 = 3x

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3 0
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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