08/12/22

Independent and Dependent Variables

A student wanted to test how the amount of plant growth hormone affected the number of leaves it would sprout. So they formed 3 groups of bean seeds with 10 seeds/pot in each group. The first group... more

08/09/22

algebra one i dont know what to type here lol

Quinn mailed four postcards that each cost $0.25, five letters that each cost $0.44, two large envelopes that each cost $0.80, and one small package for $5.10. Which cost on the list of mailing... more

On Friday, March 11, 2011, Japan was hit with an earthquake that measured 8.9 (Please help me with this)

Shortly thereafter, a 13 foot wall of water engulfed the coastal villages and towns. The Fukushima Daichi nuclear power plant, which consists of 6 reactors, was built to withstand the earthquake.... more

07/29/22

Half life isotope

What is the half-life of an isotope if after 2.00 weeks you have 31.25 g remaining from a 250.0 g starting sample size?

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