Mathematics, 18.01.2020 06:31 samanthasheets8362
Aresearcher carries out a randomized comparative experiment with young rats to investigate the effects of a toxic compound in food. she feeds the control group a normal diet. the experimental group receives a diet with 2500 parts per million of the toxic material. after 8 weeks, the mean weight gain is 335 grams for the control group and 289 for the experimental group.
what is true regarding the two numbers "335" and "289"?
Answers: 1
Mathematics, 21.06.2019 17:30
Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.
Answers: 2
Mathematics, 21.06.2019 19:00
Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers
Answers: 3
Mathematics, 21.06.2019 21:00
The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry
Answers: 2
Aresearcher carries out a randomized comparative experiment with young rats to investigate the effec...
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