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Blababa [14]
3 years ago
11

Which is an irrational number between -9 and -10?

Mathematics
2 answers:
ddd [48]3 years ago
8 0

Answer:

-sqrt85

Step-by-step explanation:

An irrational number is a number that cannot be written as fraction a/b where and b are integers

sqrt85 is simplified, and cannot be written as a/b with integers a and b, therefore -sqrt85 is irrational.

UkoKoshka [18]3 years ago
5 0

Answer:

maybe -9.1666 top second one?

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The curved part of this figure is a semicircle.
ikadub [295]

Answer:

The actual answer is 10.5+7.25π units²

I just took the test

5 0
3 years ago
The picture shows a triangular island: Which expression shows the value of c?
anyanavicka [17]

Answer:

c = b / cos 45.

Step-by-step explanation:

cos 45 = b/c

c * cos 45 = b

c = b / cos 45.

5 0
3 years ago
What is 62,810 rounded to the nearest
sweet-ann [11.9K]
62,810 rounded up is 60,00
3 0
4 years ago
Let event A = You roll an even number on the first cube.Let event B = You roll a 6 on the second cube.Are the events independent
Gnesinka [82]

The events are independent. By definition, it means that knowledge about one event does not help you predict the second, and this is the case: even if you knew that you rolled an even number on the first cube, would you be more or less confident about rolling a six on the second? No.

An example in which two events about rolling cubes are dependent could be something like:

Event A: You roll the first cube

Event B: The second cube returns a higher number than the first one.

In this case, knowledge on event A does change you view on event B (and vice versa): if you know that you rolled a 6 on the first cube you don't want to bet on event B, while if you know that you rolled a 1 on the first cube, you're certain that event B will happen.

Conversely, if you know that event B has happened, you are more likely to think that the first cube rolled a small number, and vice versa.


8 0
3 years ago
Find the slope line (-2 -1) and (-4 -7)
Alenkinab [10]

Answer:

m=3

Step-by-step explanation:

Slope formula

m=\frac{y_2-y_1}{x_2-x_1}

Here

(x_1, y_1) = (-2, -1) \ \ and \ \ (x_2, y_2) = (-4, -7)

Slope can be calculated as

m=\frac{-7-(-1)}{-4-(-2)}

m= \frac{-6}{-2} \\m=3

7 0
3 years ago
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