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alex41 [277]
3 years ago
5

If a microwave oven takes 12 seconds to cook 1 sandwich, 4 additional seconds to cook 2 sandwiches, and 1 additional second for

every sandwich after that, how long does it take to cook 5 sandwiches at once?
Mathematics
1 answer:
BaLLatris [955]3 years ago
5 0

Answer:

19 seconds

Step-by-step explanation:

the first sandwich is 12 seconds and the next is an extra 4 which brings us to 16 than it takes 1 extra second and 1 times 3 is 3 and 16+3=19

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A parabola has a vertex at (0,0). The focus of the parabola is located at (4,0). What is the equation of the directrix? x=−4 y=−
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Step-by-step explanation:

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3 years ago
1) Graph y = f(x) = 3(2)%. Adjust the equation to make the y-intercept (0, -3). Which response is not correct?
Karolina [17]

Using the concept of y-intercept, it is found that the response that is not correct is given by:

B) Replace x with -x.

<h3>What is the y-intercept of a function?</h3>

It is the value of the function when x = 0, hence it is the point (0, f(0)).

In this problem, the function is:

f(x) = 3(2)^x

The y-intercept is given by:

f(0) = 3(2)^0 = 3

If we just replace x with -x, we still have the same expression as above, hence the y-intercept does not change and option B is the answer to this question.

More can be learned about y-intercepts at brainly.com/question/24737967

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