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kumpel [21]
3 years ago
8

Which expression is equivalent to

Mathematics
2 answers:
brilliants [131]3 years ago
7 0

Answer:

equivalent to what? Im sorry wish I could help

Step-by-step explanation:

KiRa [710]3 years ago
3 0

Answer:

Please finish your question?

Step-by-step explanation:

which expression is equivalent to doesn't give enough info.

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What is the value of tan(60°)?<br><br> A. 1/2<br> B. √3<br> C. √3/2<br> D. 1/√3
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2 years ago
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7) Find EC<br> 16<br> E-<br> B<br> D<br> С<br> 49<br> 30
lana66690 [7]
Answer:

EC = 35

Step-by-step explanation:

The whole entire line measures 49

DB measures 30

49 - 30 = 19 or ED

But we’re looking for EC so…

19 + 16 = 35

EC = 35
3 0
3 years ago
In a popular online role playing game, players can create detailed designs for their character's "costumes," or appearance. Oliv
sveticcg [70]

Answer:

There is a 54.328% probability that the next person will purchase no more than one costume.

Step-by-step explanation:

Since in a popular online role playing game, players can create detailed designs for their character's "costumes," or appearance, and Olivia sets up a website where players can buy and sell these costumes online, and information about the number of people who visited. the website and the number of costumes purchased in a single day states that 144 visitors purchased no costume, 182 visitors purchased exactly one costume, and 9 visitors purchased more than one costume, to determine, based on these results, the probability that the next person will purchase no more than one costume as a decimal to the nearest hundredth, the following calculation must be performed:

144 + 182 + 9 = 335

335 = 100

182 = X

182 x 100/335 = X

18,200 / 335 = X

54,328 = X

Therefore, there is a 54.328% probability that the next person will purchase no more than one costume.

3 0
2 years ago
For the reaction 2Fe + O2 → 2FeO, how many grams of iron oxide are produced from 42.4 mol of iron?
Butoxors [25]

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:

• Fe = 55.845 g/mol

• O = 15.999 g/mol

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

(42.4 mol) × (71.835 g/mol) ≈ 3050 g

8 0
2 years ago
Can some one please help cause I don't understand it
lilavasa [31]

The answer is the (It’s the last two.)

Enjoy :)

8 0
3 years ago
Read 2 more answers
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