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Pavel [41]
3 years ago
7

NEED HELP ASAPPP

Mathematics
2 answers:
Serjik [45]3 years ago
6 0
The answers is a because the radius must be 5
OLEGan [10]3 years ago
5 0

Answer:

its C

Step-by-step explanation:

Center: (−5,2)

Radius: 5

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Pls help with Trigonometric
Sav [38]

The value of the given trigonometry function is 2√15/15

<h3>Half angles</h3>

Half angles are trigonometric identities used to express sine, cosine and tangent of half angles.

For instance the value of cos theta is expressed as shown below;

cosФ = cos(Ф/2+Ф/2)

cosФ = cos²Ф/2-sin²Ф/2
cosФ = cos²Ф/2-(1-cos²Ф/2)
cosФ  = 1 - 2cos²Ф/2

Given the following parameters

cosФ = -7/15

Substitute

cosФ  = 1 - 2cos²Ф/2

-7/15  = 1 - 2cos²Ф/2

-2cos²Ф/2 = -7/15 - 1

-2cos²Ф/2 = -8/15

cos²Ф/2 = 4/15
cosФ/2 = 2/√15

Rationalize

2/√15 * √15/√15

2√15/15

Hence the value of the given trigonometry function is 2√15/15

Learn more on trigonometry function here: brainly.com/question/2254074

#SPJ1

8 0
1 year ago
What is p ÷ 6 = 9 ? I'm not really understanding it
Shalnov [3]
Let's figure this out. Step by step:

P /  6 = 9

P = 6(9)

P = 54 is your answer.

I hope this helps :)
8 0
3 years ago
Read 2 more answers
If the circumference is 307.72 what is the diameter
Vikki [24]

Answer: 98 units

Step-by-step explanation: C=d x pi

Divide circumference by 3.14. You will get d=98

4 0
3 years ago
Read 2 more answers
Giving 30 points to whoever helps me.Fasttttt and no wrong answers.
Dahasolnce [82]
The answer is y = -3x + 10.
The rest is not linear since the rest is not in the form of y = mx +b (a type equation for a line).

Have an awesome day! :)
7 0
3 years ago
Please help! What is the value of B in the following proportion?
madreJ [45]

Answer:

B. 143

Step-by-step explanation:

11        b

----- = -------

12          156

using cross products

11 * 156 = 12 b

divide by 12

11 * 156/12 = b

11 * 13 = b

143 = b

7 0
3 years ago
Read 2 more answers
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