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timama [110]
2 years ago
6

Can someone help this is due tomorrow and i dont understand it

Mathematics
1 answer:
Ganezh [65]2 years ago
8 0

1.45

2.136

3.62

4.136

5.45

I think that's right

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MathWizard likes to play a fun number trick on her friends. She tells them to think of a number. She then tells them to subtract
pantera1 [17]
Follow the steps for 8
(1) 8 * 2 = 16
(2) 16 * 5 = 80
Note: you could just combine the first 2 steps and multiply by 10 to start with. Much easier: just add a 0 onto 8.
(3a) 12 * 8 = 96
(3b)  96 - 24 = 72
(3c) So you want to take 1/2 72 which is 36
(4)   36 + 80 = 116

Let's try this  with x.
(2) x * 10 = 10x
(3) 1/2 (12*x - 24)
(3) 10x + 1/2 (12x - 24)
(3) 10x + 6x - 12
(4) 16x - 12

Problem B
Math wiz would add 12 to the number given to her and then divide by 16. That's pretty complicated to do quickly. 

For example Let the original number be 1221
(2) Multiply by 10 12210
(3) Take 1/2 the difference between 12 times 1221 and 24 which is 1/2(14652 - 24) = 7314
And add this result to 12210 
7314 + 12210 = 19524

Tell her the number. She has to add 12
19524 + 12 = 19536  And divide by 16
to get 1221. 
Pretty complex even for a wizard.
 

6 0
3 years ago
Question 2 (1 point)
Montano1993 [528]

Answer:

The correct option is;

C. She should go back and remeasure all of her specimens again to find the error. If she can't do this, she should eliminate the outlier from the analysis, because this is an error in recording

Step-by-step explanation:

In order to minimize error in measurement, some valuable steps includes;

1) Perform a double check on all measurements to ensure that the measurements recorded are accurate

2) Ensure proper training before taking measurements

3) Measurements should only be taken under controlled conditions

4) Separate the entire population into smaller groups for proper recording

5) Have a second observer double check the records

3 0
3 years ago
Pleaseee help on this❤️
Dominik [7]
B is incorrect which means it is the answer
8 0
3 years ago
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Isamu decided to use blocking to deal with an extraneous factor in his experiment. what will blocking do to the subject in his e
Olegator [25]

Answer:

b. divide them into groups based on similarities

Step-by-step explanation:

Blocking is a method in statistics used to reduce the effect of nuisance variables in an experiment. Nuisance variables are those factors that could result in variations during the experiment. During blocking, subjects with similar features are grouped in the same block, and treatment is then administered to each of these subjects. In order to form blocks, blocking factors are used.

Blocking factors can affect the results of an experiment but they are of no importance to the experimenter. An example of a blocking factor is age.  So, for Isamu who seeks to use blocking to deal with an extraneous factor in his experiment, blocking would enable him to divide his subjects into groups based on similarities.

4 0
3 years ago
6x^3+ 10x^2 – 4x<br> -<br> I need help with this question
Westkost [7]

Answer: 2x(3x−1)(x+2)

Step-by-step explanation:

5 0
3 years ago
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