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Lelechka [254]
3 years ago
14

6 - 2(x + 6) = 3x + 4

Mathematics
1 answer:
Ray Of Light [21]3 years ago
7 0
The correct answer is x=-2
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If a sample of pure sodium has a mass of 8.2 grams and sodium has an average atomic mass of 22.99 g/mol, how many sodium atoms a
Nonamiya [84]
8.2 grams = 1 mol
Na ________
22.99 grams

First multiply the value of 8.2 to 1. Then divide by the value of 22.99 to determine the number of moles of sodium present in the 8.2 gram sample.

Then use the following equation to solve for sodium atoms.

Number of moles of Na • Avogadro Number = Number of sodium atoms.

0.3566782 • (6.02 X 10^23). = 2.1472 X 10 ^ 23. Or 2.15 X 10 ^ 23.

The answer is the second option - 2.15 X 10 ^ 23.
7 0
3 years ago
Solve for x. Round your answer to 2 decimal places.<br> A. 8<br> B. 13.86<br> C. 18.48<br> D. 32
weqwewe [10]

Answer:

D) 32

Step-by-step explanation:

sin∠30=16/x first calculate sin∠30

1/2=16/x next cross multiply

x=32

Have a good day :)

3 0
3 years ago
4. Break-Even Analysis
DiKsa [7]

Answer:

x = 1178 games

Step-by-step explanation:

Let the number of games = x

Let the total cost = Tc

Let the total revenue = Tr

Given the following data;

Investment = $10,000

Cost of each game = $1.50

Selling cost = $9.99

Total cost, Tc = (Cost of each game * Number of games) + Investment

Tc = 1.50x + 10000

Total revenue, Tr = Selling cost * Number of games

Tr = 9.99x

Breakeven point is when total cost is equal to total revenue;

Tc = Tr

1.50x + 10000 = 9.99x

9.99x - 1.50x = 10000

8.49x = 10000

x = \frac {10000}{8.49}

x = 1177.86 ≈ 1178 games.

<em>Therefore, the number of games that must be sold before the business breaks even is 1178 games. </em>

4 0
3 years ago
Solve for x:<br>log x + log 8 = 2<br>​
likoan [24]

Answer: The answer is 252

Step-by-step explanation:

:)))

8 0
3 years ago
Read 2 more answers
Put them in order smallest to largest:<br> 1.32,1.23,1.03,3.21,3.12
dlinn [17]

Answer:

1.03,  1.23,  1.32  3.12,  3.21

4 0
3 years ago
Read 2 more answers
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