An electric motor manufacturer tests it motor after production. In a test, the motor speed in RPM (revolutions per minute) is measured under the same conditions and recorded at regular time intervals as follows: 850, 890, 930, 900, 980, 950, 1010, 1150. Calculate the mean value, standard deviation, and the best estimate of the true value of this data set. Over what interval would 50% of the entire population of motor speed values fall

the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3

im not sure what this means: mc011-7.jpg

step-by-step explanation:

kaahe btau

answer: 12x^2+6x

step-by-step explanation:

6x does not equal 24x. hope it works!