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Kruka [31]
3 years ago
5

I’m so confused. what is part B?

Mathematics
1 answer:
Alenkinab [10]3 years ago
8 0

Answer:sorry

Step-by-step explanation:

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A circular rug has a radius of 4.5 feet.What is the circumstance of the rug ? use 3.14
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circumference =  2*pi * r

                         =2* 3.14 * 4.5

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The A+ Cell Company charges $40 per month and $0.30 per minute for each additional minute over 500 minutes. The cost can be writ
adelina 88 [10]

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up 10

Step-by-step explanation:

The function would change from

C(x) = 0.3x + 40

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C(x) = 0.3x + 50

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8 0
2 years ago
Really need the answers
yan [13]

Answer:

Of what???? what question?

6 0
3 years ago
30 points and brainliest!! HELP NOW
Natasha2012 [34]

Answer:

First question

a = 1 , h = 0 , k = 6 ⇒ third answer

Second question

y = 2x² + 4 ⇒ second answer

Third question

No of the choices correct ⇒ fourth answer

Step-by-step explanation:

First question

∵ f(x) = x² + 6

- It is a quadratic function with general form ax² + bx + c

- Its vertex is (h , k), where h = -b/2a and k = f(h)

∵ a = 1 , b = 0 , c = 6

∴ h = 0/2(1) = 0

∴ f(0) = 0² + 6 = 6

∴ a = 1 , h = 0 , k = 6 ⇒ third answer

Second question

- If the function f(x) translated vertically up  

 by k units, then the new function g(x) = f(x) + k

- If the function f(x) translated vertically down  

 by k units, then the new function g(x) = f(x) – k

∵ y = 2x²

∵ y is shifted 4 units up

∴ k = 4

∴ y + 4 = 2x² + 4

∴ y = 2x² + 4 ⇒ second answer

Third question

∵ y = -2x² + 3

- It is a quadratic equation with general form ax² + bx + c

- It represented graphically by parabola

- If a is positive the parabola opens upward

- If a is negative the parabola opens downward

∵ a = -2

∴ The parabola opens downward

∴ No of the choices correct ⇒ fourth answer

4 0
3 years ago
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