Mathematics, 26.02.2021 21:10 summer098890
. 1. Katherine is very interested in cryogenics (the science of very low temperatures). With
the help of her science teacher she is doing an experiment on the affect of low
temperatures on bacteria. She cools one sample of bacteria to a temperature of -51°C
and another to -76°C. What was the temperature difference in the two experiments?
A) -127
B) 127
C) -25
D) 25
Answers: 1
Mathematics, 21.06.2019 14:30
Factor. 8x2y2 – 4x2y – 12xy 4(8x2y2 – x – 12xy) 4(2xy – 4x2y – 12xy) 4x2y2(2xy – xy –3) 4xy(2xy – x – 3)
Answers: 2
Mathematics, 21.06.2019 14:30
All per-unit concepts rely on ratios,meaning,to provide a type of measurement
Answers: 3
Mathematics, 21.06.2019 21:30
Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?
Answers: 3
Mathematics, 21.06.2019 23:00
The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?
Answers: 1
. 1. Katherine is very interested in cryogenics (the science of very low temperatures). With
the he...
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