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storchak [24]
3 years ago
11

Which equation represents a circle with a center at ( -4,9) and a diameter of 10 units

Mathematics
2 answers:
Rufina [12.5K]3 years ago
7 0

Answer: it’s d (x+4)2+(y-9)=100

Step-by-step explanation:

Took it on edgunity btw

castortr0y [4]3 years ago
3 0

Answer:

(x + 4)² + (y - 9)² = 25

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

here (h, k) = (- 4, 9) and r = 10 ÷ 2 = 5, thus

(x - (- 4))² + (y - 9)² = 5², that is

(x + 4)² + (y - 9)² = 25

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Step-by-step explanation:

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50%

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3 0
3 years ago
Massimo spent $90. riding the bus. Each bus ride cost $2.50. Write and solve an equation to determine how many times Massimo rod
Varvara68 [4.7K]

Answer:

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Please mark brainliest. Have a great day!

5 0
3 years ago
Please help me with this question!!!!!
Naddika [18.5K]

Answer:

7/25

Step-by-step explanation:

θ lies in quadrant ii

so 2θ lies in quadrant iv

csc θ=5/3

sin θ=3/5 (sin θ=1/csc θ)

[cos(α+β)=cosαcosβ-sinαsinβ]

cos (2θ)=cos(θ+θ)=cos θ cos θ-sin θ sin θ=cos² θ-sin ²θ=1-sin²θ-sin²θ=1-2sin²θ

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=1-18/25

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At a game booth, a student gets a box of candy as the prize for winning a game. The boxes come in four colors: white, red, green
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I think the answer is D) 8 over 32 multiplied by 7 over 31
Hopefully that helped! :) 
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