Mathematics, 09.10.2020 23:01 pito63
What error did Lucia make?
When Lucia solved the second equation for x, she subtracted 2y from both sides,
O When Lucia solved for the value of y, she treated - 2y as 2y.
When Lucia solved for the value of x, she added 18 to both sides,
o When Lucia solved the second equation for x, she treated -2(-9) as 18 instead of -18.
Answers: 3
Mathematics, 21.06.2019 16:50
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
Mathematics, 21.06.2019 20:00
Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12
Answers: 1
Mathematics, 22.06.2019 01:00
X^2/100+y^2/25=1 the y-intercepts are at: a) (-10,0) and (10,0) b) (0,10) and (0,5) c) (0,-5) and (0,5)
Answers: 1
What error did Lucia make?
When Lucia solved the second equation for x, she subtracted 2y from both...
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