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algol13
3 years ago
9

Write the equation of the circle centered at ( - 4,7) with radius 20?

Mathematics
1 answer:
kow [346]3 years ago
8 0

Answer:

(x + 4)² + (y - 7)² = 20²

Step-by-step explanation:

Graphing form

(x - h)² + (y - k)² = r²

(h, k) is the center = (-4, 7)

r is the radius = 20

-----------------------------------

Plug in the givens

(x + 4)² + (y - 7)² = 20²

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Una librería consta de 5400 libros repartidos en 3 estanterías
pishuonlain [190]

Answer:

B = 900 Libros

A = 2700 Libros

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Step-by-step explanation:

A = 3B

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A + B + C = 5400

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6B = 5400

B = 5400 / 6

B = 900 Libros

A = 3B

A = 3(900)

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C = 2B

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C = 1800 Libros

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3 years ago
A cone has a base radius of 7 centimeters and a height of 21 centimeters.
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Dolev shared his pretzels equally among 5 friends. If each friend received 7 pretzels, how many pretzels did Dolev have? Select
gtnhenbr [62]

Answer:

B. Multiply by 5 on both sides of the equation. C. 7 × 5 = 35. E. Dolev had 35 pretzels.

Step-by-step explanation:

B. get p by itself

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6 0
3 years ago
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Travka [436]

Answer:

see below

Step-by-step explanation:

y= 1/2x - 2

To find the x intercept, set y =0 and solve for x

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3 years ago
What is the unit price for a piece of cheese if 3.25 pounds costs $19.50?
Stolb23 [73]

Answer:

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Step-by-step explanation:

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