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bija089 [108]
3 years ago
13

Help: Simplifying inside parenthesis first

Mathematics
1 answer:
Ne4ueva [31]3 years ago
3 0

Answer:

4th one

Step-by-step explanation:

a^-2 goes down and become a^2 and

{a}^{2}  \times  {a}^{2}  =  {a}^{4}

b^-1 goes up and become b

{b}^{2}  \times  {b}^{1}  =  {b}^{3}

that why answer is 4th...mark me brainliest please

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Henry can write 5 1/4 pages of his novel in 3 hours how many page can he write in 8 hours
ICE Princess25 [194]
If you would like to know how many pages can Henry write in 8 hours, you can calculate this using the following steps:

5 1/4 = 21/4 pages ... 3 hours
x pages = ? ... 8 hours

21/4 * 8 = 3 * x
21 * 2 = 3 * x
3 * x = 42
x = 42 / 3
x = 14 pages

Henry can write 14 pages of his novel in 8 hours.
8 0
3 years ago
Use the given graph of f to estimate the intervals on which the derivative f ' is increasing or decreasing. (Enter your answers
NARA [144]

The derivative of a function is used to determine whether the function is increasing or decreasing on any intervals in its domain.

Derivative of function f is increasing in interval  (-2 , 1) and (3 , 6)

Derivative of function f is decreasing in interval (1 , 3) and (6 , 9)

If f′(x) > 0 at each point in an interval , then the function is said to be increasing in that interval.

If f′(x) < 0 at each point in an interval , then the function is said to be decreasing on that interval.

By observing graph, it is observed that slope  of function f is positive in interval  (-2 , 1) and (3 , 6) . Hence, derivative of  function f is increasing in interval  (-2 , 1) and (3 , 6)

By observing graph, it is observed that slope  of function f is negative in interval  (1 , 3) and (6 , 9) . Hence, derivative of  function f is decreasing in interval  (1 , 3) and (6 , 9).

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brainly.com/question/14330051

5 0
2 years ago
Write the cosine ratio of angle b<br> and show work please
Dennis_Churaev [7]
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Answer:

925????

Step-by-step explanation:

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