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ryzh [129]
2 years ago
9

Answer this please!!!

Mathematics
1 answer:
vivado [14]2 years ago
5 0

Answer:

$40

Step-by-step explanation:

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Which function has a vertex on the y-axis? f(x) = (x – 2)2 f(x) = x(x 2) f(x) = (x – 2)(x 2) f(x) = (x 1)(x – 2)
makvit [3.9K]

The function that has a vertex on the y-axis is f(x) = (x - 2)(x + 2)

<h3>How to determine the function?</h3>

For a function to have its vertex on the y-axis, then the coordinate of the vertex must be:

(h,k) = (0,y)

A quadratic function is represented as:

f(x) = (x - h)^2 + k

So, we have:

f(x) = (x - 0)^2 + k

Evaluate

f(x) = x^2 + k

From the list of options, we have:

f(x) = (x - 2)(x + 2)

Expand

f(x) = x^2 - 4

Hence, the function that has a vertex on the y-axis is f(x) = (x - 2)(x + 2)

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2 years ago
State and prove De Moivre's theorem
Montano1993 [528]

Answer:

assume the formula is true for n is equal to k prove that result is true for n is equal to k + 1 hence result proves since the thorum is true for n is equal to 1 and n k + 1 is unit through a and

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1 year ago
20×(5×(-16) ) = (20×5)×(-16)​
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Answer:

20×(5×(-16) = (20×5)×(-16)​

Step-by-step explanation:

They both equal -1600

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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Helpp what is the y- value when x equals 21? y = 650 - 16 (x)
11111nata11111 [884]

Answer:

y = 314

Step-by-step explanation:

y = 650 - 16x

y = 650 - 16(21)

y = 650 - 336

y = 314

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