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Svetach [21]
3 years ago
11

What is Pi times Pi.

Mathematics
2 answers:
vova2212 [387]3 years ago
8 0

Answer:

Pi*Pi is equal to approximately 9.86960440109 or 10

Delvig [45]3 years ago
7 0

Answer:

pi * pi 9.86960440109

Step-by-step explanation:

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14 (OM) Radicals and Estimation (2 pts) Without a calculator, estimate the radical and explain how you estimated. Then using a c
Irina-Kira [14]

Q) Without a calculator, we must estimate the value of the following expression:

3-\sqrt[]{38}.

A) I estimate 3 - √38 to be approximately -3.2.

First, we estimate the value of √38. √38 is between √36 and √49, but close to √36 (since 38 is closer to 4 than it is to 9). Since √36 is 6, √38 is probably something like 6.1 or 6.2. Filling 6.2 in the expression and simplifying, we have this:

3-6.2=-3.2.

So, I expect the number 3 - √38 to be close to -3.2.

Using a calculator we find that: 3 - √38 ≅ -3.16, which it is approximately the result that we found.

Answer

Without a calculator we find that 3 - √38 ≅ -3.2.

5 0
1 year ago
Identify which statement about the mean of a discrete random variable is not true or state that they are all true.Choose the cor
pashok25 [27]

Answer:

A, C are true .  B is not true.

Step-by-step explanation:

Mean of a discrete random variable can be interpreted as the average outcome if the experiment is repeated many times. Expected value or average of the distribution is analogous to mean of the distribution.

The mean can be found using summation from nothing to nothing x times Upper P (x) , i.e ∑x•P(x).

Example : If two outcomes 100 & 50 occur with probabilities 0.5 each. Expected value (Average) (Mean) : ∑x•P(x) = (0.5)(100) + (0.5)(50) = 50 + 25 = 75

The mean may not be a possible value of the random variable.

Example : Mean of possible no.s on a die = ( 1 + 2 + 3 + 4 + 5 + 6 ) / 6 = 21/6 = 3.5, which is not a possible value of the random variable 'no. on a die'

4 0
3 years ago
(x+4)−(x−1)
Gekata [30.6K]

Answer:

There is no plug-in for x.

X=0.

(0+4) - (0-1) = [(4 - (-1)] = 5.

5 0
2 years ago
Read 2 more answers
Which of the following is the product of 7/8 and -4/21?  a.- 1/6 b.1/12 c.- 16/21 d.- 147/32​
olga55 [171]

Answer:

option a

Step-by-step explanation:

7/8 * -4/21

=7*-4/8*21

=-28/168

=-1/6

In maths product means multiplication.

6 0
3 years ago
Read 2 more answers
There are 22 people in Mrs. Smith's class. They would like to go on a field trip to the museum. The entrance fees and bus rental
maria [59]

Answer:

$37.12

Step-by-step explanation:

When $816.64 is divided 22 ways, each portion is (not surprisingly) ...

... $816.64/22 = $37.12

7 0
3 years ago
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