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chubhunter [2.5K]
3 years ago
15

Find the circumference of the pizza. Round your answer to the nearest hundredth.

Mathematics
1 answer:
Alexxx [7]3 years ago
4 0

Answer:

34.56 inches

Step-by-step explanation:

The formula for the circumference is : \pi *diameter

The diameter is the full length of the interior of a circle.

To work this out you  would simply multiply the diameter of 11 by pi, which gives you 34.56.

1) Multiply pi by  11.

\pi *11=34.56

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Verify the following identity and show steps<br><br> (Cos2 θ)/(1+sin2 θ)= (cot θ-1)/(cot θ+1)
Paul [167]

Answer:

Verified below

Step-by-step explanation:

We want to show that (Cos2θ)/(1 + sin2θ) = (cot θ - 1)/(cot θ + 1)

In trigonometric identities;

Cot θ = cos θ/sin θ

Thus;

(cot θ - 1)/(cot θ + 1) gives;

((cos θ/sin θ) - 1)/((cos θ/sin θ) + 1)

Simplifying numerator and denominator gives;

((cos θ - sin θ)/sin θ)/((cos θ + sin θ)/sin θ)

This reduces to;

>> (cos θ - sin θ)/(cos θ + sin θ)

Multiply top and bottom by ((cos θ + sin θ) to get;

>> (cos² θ - sin²θ)/(cos²θ + sin²θ + 2sinθcosθ)

In trigonometric identities, we know that;

cos 2θ = (cos² θ - sin²θ)

cos²θ + sin²θ = 1

sin 2θ = 2sinθcosθ

Thus;

(cos² θ - sin²θ)/(cos²θ + sin²θ + 2sinθcosθ) gives us:

>> cos 2θ/(1 + sin 2θ)

This is equal to the left hand side.

Thus, it is verified.

5 0
2 years ago
My family and I are so confused on this! Help please!
-BARSIC- [3]

Answer:

10) Correct

11) Each row is equal to 12 when you multiply them together.

12) 24

Step-by-step explanation:

12) You multiply 4*3*2 to get the volume of 24, which is also the number of cubes needed to make the shape.

<u>Please</u><u> give</u><u> brainliest</u><u> if</u><u> I</u><u> helped</u><u>!</u><u> </u><u>:</u><u>)</u>

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Chad took a total of 54 quizzes over the course of 6 weeks. After attending 7 weeks of school this quarter, how many quizzes wil
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54 divided by 6 would be 9 meaning he takes 9 quizzes a week. If directly proportional by the end of 7 weeks he would have taken 63 quizzes
7 0
3 years ago
Read 2 more answers
Alguien me ayuda pls
Vesna [10]

(sorry I don't understand your language but, here's my answer)

  • a/12 + 2/3(b) = ?
  • a = 5, b = -4
  • 5/12 + 2/3(-4)
  • 5/12 + 2/-12
  • 1/4

<h2><u>ANSWER:</u></h2>

  • 1/4
5 0
2 years ago
10. Write an inequality for the sentence: More than 75 people attended the basketball game.
tester [92]

Write an inequality for the sentence : More than 75 people attended the basketball game .

Answer : X > 75

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