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Anvisha [2.4K]
3 years ago
15

I'm confused please help

Mathematics
1 answer:
Vesnalui [34]3 years ago
3 0
Carbon Dioxide: o2c
Water: h2o
Oxygen: o2

Water is h2o because there are 2 hydrogen molecules and 1 oxygen molecule.

h2 = 2 hydrogen molecules
o = 1 oxygen molecule
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Tod begins piano practice at 4:15 p.M. And ends at 5:50 p.M. How long does he practice
nikdorinn [45]

Answer:

95 minutes/1 hour and 35 minutes.

Step-by-step explanation:

Since there are 60 minutes in a hour you could convert it. Or you could just subtract 550 minutes by 415 minutes and get 95 minutes which is also 1 hour and 35 minutes.

Hope this helps

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5 0
3 years ago
3. Solve 2log4y - log4 (5y - 12) = 1/2<br>​
Ilia_Sergeevich [38]

Answer:

y =  4  or y = 6

Step-by-step explanation:

2log4y - log4 (5y - 12) = 1/2

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y^2 = 10y-24                                                  rearrange and factor

y^2 - 10y + 24 = 0

(y-4)(y-6) = 0

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4 0
3 years ago
Jonah studied for 3 hours longer than sierra. he also studied for 3 times as many hours as william. these relationships are show
Butoxors [25]

Answer:

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Step-by-step explanation:

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Marysya12 [62]

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Step-by-step explanation:

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6 0
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PtichkaEL [24]

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
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