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fgiga [73]
2 years ago
10

the circumference, or perimeter, of a circle can be found by multiplying its diameter by 3.14. what is the circumference of a ci

rcle that has a diameter of 1/2 inch? Express your answer as a decimal
Mathematics
1 answer:
Dahasolnce [82]2 years ago
8 0

Answer:

4.71238898

Step-by-step explanation:

The formula used to calculate circle circumference is:

C = π · ø

Enter the diameter of a circle. The diameter of a circle is the length of a straight line drawn between two points on a circle where the line also passes through the centre of a circle, or any two points on the circle as long as they are exactly 180 degrees apart

This is the total length of the edge around the circle with the specified diameter, if it was straightened out.

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Answer:

17 students per teacher, 9 students per tutor. You need 10 tutors if the school had 90 students.

Step-by-step explanation:

51 students divided by 3 teachers = 17 students per teacher.

45 students divided by 5 tutors = 9 students per teacher.

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6 0
3 years ago
Help help im so confused as per usual
Alik [6]

Answer:

Step-by-step explanation:

a. HM = 14

HN = 21

HK = 10.5

Based on intersecting chords theorem,

HK*HJ = HM*HN

10.5*HJ = 14*21 (Substitution)

HJ = 294/10.5

HJ = 28

b. VC = 7.2

VG = 12

Based on tangent-secant theorem, thus:

VD*VC = VG²

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VD = 144/7.2

VD = 20

Therefore,

CD = VD - VC

CD = 20 - 7.2

CD = 12.8

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3 years ago
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Answer:

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4 0
3 years ago
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