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Helen [10]
3 years ago
12

Cuánto es mínimo común múltiplo de 87 y 69​

Mathematics
1 answer:
daser333 [38]3 years ago
6 0

Answer: 2001

Step-by-step explanation:

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Data was collected on reaction time of both hands for an experiment. 14 out of 27 students had a faster reaction time with their
VladimirAG [237]

Answer:

0.3902

Step-by-step explanation:

The question meets the criteria for the calculation of the confidence interval of a one sample proportion ;

Sample size, n = 27

Number of students with faster reaction time = 14

Phat = x / n = 14 / 27 = 0.6296

The confidence interval is calculated thus :

C. I = Phat ± Zcritical * √[p(1 - p)/n]

Zcritical at 99% = 2.576

C. I = 0.6296 ± 2.576 * √[0.6296(0.3704)/27]

C.I = 0.6296 ± 0.2394042

The lower boundary of C.I = 0.6296 - 0.2394042

Lower boundary = 0.3902

8 0
3 years ago
If the sum of all the scores is divided by the number of scores, then the _____ has been calculated.
monitta
If the sum of all the scores is divided by the number of scores, then the MEAN has been calculated.
8 0
3 years ago
Express 0.5401 in scientific notation
Ray Of Light [21]

Answer:

5.401×10^-1

Step-by-step explanation:

You move the decimal over one to get5.401×10^−1

6 0
3 years ago
Please explain to me how to do this thank you
brilliants [131]
The answer is 100 sections. You get this by converting 2 meters which will be 200 cm then just divide 200 by 10 and you get 100! Hope this helps sorry if I get it wrong
8 0
3 years ago
Verify csc^2t-cos t sect= cot^2 t
Ymorist [56]

Rewriting the left hand side,

csc²t - cost sec t

= (1/sin²t)-(cost)(1/cost)

= 1/sin²t - 1

= 1/sin²t - sin²t/sin²t

= (1-sin²t)/sin²t

= cos²t/sin²t

= cot²t

7 0
2 years ago
Read 2 more answers
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