Mathematics, 07.07.2019 14:30, isalih7256
Abox contains 4 red and 3 blue poker chips. three chips are pulled random. what is the probability that all are red with a replacement
Answers: 2
Mathematics, 21.06.2019 16:30, leenzazou98241
The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.
Answers: 1
Mathematics, 21.06.2019 22:00, victordguerrero2535
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
Answers: 1
Abox contains 4 red and 3 blue poker chips. three chips are pulled random. what is the probability t...
Mathematics, 28.07.2019 05:20
Mathematics, 28.07.2019 05:20
Chemistry, 28.07.2019 05:20