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Firlakuza [10]
2 years ago
6

Write Down a rational number that lies between -9 and -8​

Mathematics
1 answer:
madam [21]2 years ago
5 0
A rational number would be 81/10 or 8.1
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Let f(x) = cos(x) + 2x.<br> Where does f have critical points?
adell [148]

Answer:

<em>f</em> has no critical points.

Step-by-step explanation:

We are given:

f(x)=\cos(x)+2x

A function has critical points whenever its derivative equals 0 or is undefined.

Differentiate the function:

f'(x)=-\sin(x)+2

Since this will never be undefined, solve for its zeros:

0=-\sin(x)+2

Hence:

\displaystyle \sin(x)=2

Recall that the value of sine is always between -1 and 1.

Thus, no real solutions exist.

Therefore, <em>f</em> has no critical points.

6 0
3 years ago
Which of the following values for x and y make the equation 4x + 2y + 3 = 19 true?
telo118 [61]
The third answer is true
5 0
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Mnenie [13.5K]

Answer:

THE ANSER IS C.

Step-by-step explanation:

3 0
2 years ago
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Is this a good math essay?
astra-53 [7]

Answer:

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7 0
3 years ago
Which EST graph correctly represents the information on the table ​
garik1379 [7]

Answer:

  the first one

Step-by-step explanation:

A graph showing the Earliest Start Times (EST) for project tasks is computed left to right based on the predecessor task durations. For dependent tasks, the earliest start time will be the latest of the finish times of predecessor tasks.

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The second graph does not appropriately account for duration of predecessor tasks.

The third graph seems to incorrectly compute task completion times (even if you assume that the edge/bubble number swap is acceptable).

3 0
3 years ago
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