Chemistry, 25.12.2021 09:10 dudedude4096
The following two-way table describes student's
after school activities. Find the probability that a
randomly selected student either does sports or
works.
Grade
Sports
Music/Drama
Work
Sophomore
20
7
3
Junior
20
13
2.
Senior
25
5
5
P(Sports U Work) = [ 2 ]%
Round to the nearest whole percent.
Answers: 3
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Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride
Answers: 1
Chemistry, 22.06.2019 18:30
Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
Answers: 2
The following two-way table describes student's
after school activities. Find the probability that...
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