The sum of a number and three times a number is 103

Mathematics

1 answer:

tia_tia [17]2 years ago

6 0

Step-by-step explanation:

Let n - the number

The equation:

the sum of a number and three times a number is 103

n + 3n = 103

If you want the solution:

4n = 103 <em>divide both sides by 4</em>

n = 103/4

n = 25.75

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**At noon the minute and the hour hands overlap. When will it happen next?

Svetllana [295]

Answer: At 01:05 p.m. it will overlap again.

Explanation:

Since there are 22 times in a day the minute and the hour hands overlap.

During the first half of the day , it overlaps 11 times and during the rest of the day it overlap 11 more times.

At noon, the minute and the hour hands overlap and after that it will happen at 01:05 p.m.

Since the minute hand completes a full circle in one hour, so it forms 6 degrees per minute .

So, at 01:05 p.m. it will overlap again.

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3 years ago

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EastWind [94]

So the length is 4*28=112mm
The width would be calculated like this:

you draw an equilateral triangle in the middle with sides or 2r(56mm). The based on pythagorean theorem u know that
h=rad(56^2-28^2)=48.497
28+28+h=104.497

The area would be S=l*w which is 11703.7113mm