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pantera1 [17]
2 years ago
12

What is the surface area of the cylinder?

Mathematics
2 answers:
Ilya [14]2 years ago
3 0

Answer:

Option number 3: 1,356.48 cm².

Bad White [126]2 years ago
3 0

Answer:

452.16

Step-by-step explanation:

i got it right on test

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Area of the blue shaded region ?​
kolbaska11 [484]

Answer: 44

Step-by-step explanation:

you first look at the circle

next you see the numbers that are in the circle

after that you multiply the 2 numbers together

so, 4x11 = 44

7 0
3 years ago
Your medical research team is investigating the standard deviation of the cost of a 30-day-supply of a certain heart medication.
Valentin [98]

Considering the situation described, the hypothesis tested are given as follows:

  • The null hypothesis is H_0: \sigma \geq 23
  • The alternative hypothesis is H_1: \sigma < 23

<h3>What are the hypothesis tested?</h3>

At the null hypothesis, it is tested if the standard deviation is not less than $23, that is:

H_0: \sigma \geq 23

At the alternative hypothesis, it is tested if there is significant evidence t conclude that the standard deviation is less than $23, that is:

H_1: \sigma < 23

More can be learned about an hypothesis test at brainly.com/question/26454209

4 0
2 years ago
Once again co sines . Please help me and include explanation with a clear answer
vladimir1956 [14]

Using the law os cosines formula b^2 = a^2 + c^2 - 2*a*c*cos(B)

a = 17, b = 8, c = 16

8^2 = 17^2 + 16^2 - 2*17*16* cos(B)

64 = 289 + 256 - 544 * cos(B)

544*cos(B) = 289 + 256 - 64

544 * cos(B) = 481

cos (B) = 481/544

B = arccos(481/544)

B = 27.8 degrees

8 0
3 years ago
8w-15=57 two step equations
insens350 [35]

Answer:

w=9

Step-by-step explanation:

Our equation is: 8w-15=57

Add 15 to both sides

-15 is now gone because we added 15 so it would be zero

and we have 72 because 15 plus 57 is 72

Now we have:

8w=72

Divide by 8 on both sides

8w cancels out to just w

and 72 divided by 8 is 9

And you're left with:

w=9

       

7 0
3 years ago
What is the product of 1 and 1 3rd and 7/10
Dmitrij [34]
The correct answer is 14/15. To answer this problem, it would help to change the mixed number into an improper fraction.

1 1/3
4/3   Multiply 3 by 1, and then add 1 and put 4 over 3.

4/3 x 7/10   Now, multiply both numbers by each other. Since we're multiplying, we don't need to find a least common denominator.
28/30   4 x 7 = 28; 3 x 10 = 30
14/15   Since 28 and 30 are divisible by 2, we need to simplify the answer.

The correct answer is 14/15.

Hope this helps!
3 0
3 years ago
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