3 years ago

Hellllp pleaseeeee !

Mathematics

2 answers:

fenix001 [56]3 years ago

8 0

Answer:

61 degrees :D

EZ but Im too bored to explain. :/

faust18 [17]3 years ago

6 0

Its 61 degrees

Hope this helped support me by thanking me and giving brainliest

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F(x) = x2 - x - 1<br> What is the average rate of change of f over the interval -1 < x < 1?

denpristay [2]

Answer:

-1

Step-by-step explanation:

The average rate of change is the ratio of the difference in y-values to the difference in x-values of corresponding points.

At x=-1, f(x) = (-1)^2 -(-1) -1 = 1

At x=1, f(x) = (1)^2 -(1) -1 = -1

So, points on the graph are (-1, 1) and (1, -1).

Then the change in y over that interval is -1 -1 = -2.

The change in x over that interval is 1 -(-1) = 2.

The average rate of change is ...

∆y/∆x = -2/2 = -1 . . . . average rate of change on (-1, 1)

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4 years ago

Kaelyn is reading a book. The books thickness is 25 millimeters. How many of these books would fit on a shelf that is 1 meter lo

yaroslaw [1]

40

1000/25=40

You’re welcome

8 0

3 years ago

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Explain why you might want to write very large and very small numbers like the ones in the example problem in scientific notatio

slava [35]

Answer:

Extremely large and small numbers that have many zeros are long to write and take up a lot of room. So, by using scientific notation a number can be written shorter. For example, numbers such as 295,000,000,000 can be shortened to 2.95x $10^{11}$ . This is easier to write and understand. This is why the scientific notation is used over standard.