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OverLord2011 [107]
3 years ago
10

Which statement could be used to conclude that this parallelogram is a rhombus? m m m m

Mathematics
1 answer:
NeX [460]3 years ago
3 0

I didn't ask the question but the answer options are:

m<GFH=45

m<DEF=70

m<DHE=90

m<GDE=100


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Rule:start at 3 1/8 subtract 3/4
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Answer:

2 3/8

Step-by-step explanation:

If what you're saying it 3 1/8 - 3/4 then...

3 1/8 - 3/4

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3 years ago
For the reaction 2Fe + O2 → 2FeO, how many grams of iron oxide are produced from 42.4 mol of iron?
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In the balanced reaction

2 Fe + O₂   →   2 FeO

2 moles of iron (Fe) react with 1 mole of molecular oxygen (O₂) to produce 2 moles of iron oxide (FeO). The ratio of Fe to FeO is 1-to-1, so if one starts with 42.4 mol of Fe, one will end up with the same amount of FeO, 42.4 mol.

Look up the molar mass of Fe and O:

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Then the molar mass of FeO is approximately 71.835 g/mol, and so the mass of 42.4 mol of FeO is

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8 0
2 years ago
N a recent flu epidemic, the number of flu cases increased by 40% each week. There were 3,000 flu cases during the first week of
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