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Verdich [7]
3 years ago
11

The radius of a circle is 4 kilometers. What is the circumference?

Mathematics
1 answer:
zaharov [31]3 years ago
3 0

Answer:

25.12 kilometers

Step-by-step explanation:

c = 2\pi \: r

C = 2 × 3.14 × 4

C = 25.12

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What is the surface area of the rectangular prism below?
kati45 [8]

Answer:

12×6×2+6×5×2+12×5×2= 324m^2

3 0
3 years ago
Prove that the diagonals of a rectangle bisect each other.<br><br> The midpoint of AC is _____
Ulleksa [173]

Answer:

(a,b)

Step-by-step explanation:

simply we find the midpoint of AC and the midpoint of Bd by dividing over 2

6 0
3 years ago
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In a city school, 70% of students have blue eyes, 45% have dark hair, and 30% have blue eyes and dark hair. What is the probabil
Travka [436]

<u>Answer:</u>

The correct answer option is 43%.

<u>Step-by-step explanation:</u>

We are given that 70% of students have blue eyes, 45% have dark hair, and 30% have blue eyes and dark hair.

We are to find the probability of a student getting selected will have dark hair with blue eyes.

P(D|B) = P(D∩B) / P(B)

Substituting the given values in it to get:

P(D|B) = 0.3 / 0.7 = 0.428

Rounding it to the nearest whole percent we get:

0.428 × 100 = 42.8% ≈ 43%

4 0
3 years ago
If it is 7:00pm what time will it be in 14 hours?
Misha Larkins [42]
After 14 hours, it will be 9:00 AM.
3 0
3 years ago
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Your school raised 125% of its fundraising goal. The school raised $6750. What was the goal?
lozanna [386]
Let, the Goal = x
It would be: x * 125% = 6750
x * 1.25 = 6750    [ 125% = 1.25]
x = 6750 / 1.25
x = 5400

In short, Your Answer would be $5400

Hope this helps!
7 0
3 years ago
Read 2 more answers
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