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svlad2 [7]
3 years ago
13

The circumference of great circle of a hemisphere is 44 cm. find the total surface area of the hemisphere​

Mathematics
1 answer:
max2010maxim [7]3 years ago
6 0

Answer:

I didn't know if you meant that the circumference of tje hemisphere was 44 or if the circumference of the cirkel in which the hemisphere exists is 44 but you rearrange the numbers.

Step-by-step explanation:

The formula for calculating a circumference is 2×pi×r, with r as tje radius of the cirkel. So in this instance we get 2×pi×r=44. r=44/(2×pi)=7.00 centimeters. The total surface area of a cirkel=pi×r^2=pi×7.00^2=154.06 meters squared. 154.06/2=77.03 meters squared (hemisphere is half of a cirkel)

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Julio fills some bins with comic books. There are 8 comic books in each bin.
Nutka1998 [239]
The answer would be 6 bins.


Explanation:

Julio has a total of 48 comic books and he is able to fit 8 in one bin.
Therefore 48 divided by 8 is 6. Also 8 x 6 = 48
5 0
2 years ago
If 70% of college students say they have a job what is the probability that 3 randomly selected college students say they have a
dsp73

Answer: 0.343

Step-by-step explanation:

Probability of college students that say they have a job = 70%

Number of randomly selected college students = 3

The probability that 3 randomly selected college students say they have a job will be:

= (70/100)³

= 0.7 × 0.7 × 0.7

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4 0
3 years ago
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andre [41]
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7 0
3 years ago
1) A TV is on sale for 20% off. If the sale price is $700, what is the original
barxatty [35]

Answer:

140

Step-by-step explanation:

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4 0
3 years ago
If f(x) =3x-5 them find values of f(3) and f(-7). please explain step by step​
LenKa [72]

Answer:

f(3) = 4

f(-7) = -26

Step-by-step explanation:

Hi there!

f(x) =3x-5

To find f(3), replace every x with 3:

f(3) =3(3)-5\\f(3) =9-5\\f(3) =4

Therefore, f(3)=4.

f(x) =3x-5

To find f(-7), replace every x with -7:

f(-7) =3(-7)-5\\f(-7) =-21-5\\f(-7) =-26

Therefore, f(-7)=-26.

I hope this helps!

8 0
2 years ago
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