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nydimaria [60]
2 years ago
6

How many of the first 100 positive integers are divisible by 2, 3, or 5?.

Mathematics
1 answer:
attashe74 [19]2 years ago
3 0

Answer:

74

Step-by-step explanation:

50+33+20−16−6−10+3=74

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He Earth completely rotates on its axis once every 24 hours.
mafiozo [28]

Answer:

A)

58/3 = 19.33 hours

B)

84.00 hours

C)

2074.29 miles

Step-by-step explanation:

Under the assumption the earth is a perfect circle, then in a complete rotation ( 24 hours) the earth will rotate through  360 degrees or 2π radians.

A)

In one day or 24 hours the earth rotates through 360 degrees. We are required to determine the duration it takes to rotate through 290 degrees. Let x be the duration it takes the earth to rotate through 290 degrees, then the following proportions hold;

(24/360) = (x/290)

solving for x;

x = (24/360) * 290 = 58/3 = 19.33 hours

B)

In 24 hours the earth rotates through an angle of 2π radians. We are required to determine the duration it will takes the Earth to rotate through 7π radians. Let x be the duration it takes the earth to rotate through 7π radians, then the following proportions hold;

(24/2π radians) = (x/7π radians)

Solving for x;

x = (24/2π radians)*7π radians = 84 hours

C)

If the diameter of the earth is 7920 miles, then in a day or 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;

circumference = 2*π*R = π*D

                         = 7920*3.142

                         = 24891.43 miles

Therefore a point on the equator covers a distance of 24891.43 miles in 24 hours. This will imply that the speed of the earth is approximately;

(24891.43miles)/(24 hours) = 1037.14 miles/hr

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

1037.14 * 2 = 2074.29 miles

7 0
3 years ago
How do i write how i got the answer for 5x=45 using the opposite operation
Colt1911 [192]

Answer:

45/5= 9

Step-by-step explanation:

4 0
3 years ago
Solve |x| – 17 = 60<br> What is the correct answer
Kazeer [188]

Answer:

x = 77,  x = -77

Step-by-step explanation:

|x| – 17 = 60

Add 17 to each side

|x| – 17+17 = 60+17

|x|  = 77

The absolute value equation has two solutions, one positive and one negative

x = 77,  x = -77

4 0
3 years ago
Read 2 more answers
What is 75 equals 6 multiplied by w
guajiro [1.7K]
75=6w is the answer to that
6 0
2 years ago
Read 2 more answers
Please help I will mark Brainly
Alekssandra [29.7K]
Here u go: D. integer, B.Rational and C. real
3 0
3 years ago
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