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lorasvet [3.4K]
3 years ago
14

If 75 g of active ingredient powder is mixed with 400 mL NS solution, what is the final concentration? Round to the nearest hund

redths (w/v).
Mathematics
1 answer:
Marina86 [1]3 years ago
5 0

75g/400ml: Simplify per unit

÷ by bottom.

0.1875g/ml nearest hundredth

0.19g/ml

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The number of basketball games that must be scheduled in a league with n teams is given by G(n) = (n2 - n)/2 where each team pla
Pani-rosa [81]

Answer:

There are 7 teams in the league

Step-by-step explanation:

Given that the number of games is given by:

G(n) = \frac{(n^2-n)}{2}

The equation will be used to determine the number of games. As we already know, that 21 games are scheduled which means G(n) is 21 so we have to find n when G(n) is 21

Putting this mathematically

21 = \frac{n^2-n}{2}

Multiplying equation by 2

2*21 = 2*\frac{n^2-n}{2}\\42 = n^2-n\\n^2-n-42 = 0\\n^2-7n+6n-42 = 0\\n(n-7)+6(n-7) = 0\\(n-7)(n+6)=0\\n-7 = 0 => n=7\\n+6=0 => n=-6

As the number of teams cannot be negative, the number of teams in league are 7.

Hence,

There are 7 teams in the league

3 0
3 years ago
1,8,27; 64; Rule Missing numbers​
zubka84 [21]

Answer:

  rule: f(n) = n³

  missing numbers: 125, 216, 343, 512, 729

Step-by-step explanation:

Your familiarity with the cubes of small integers helps you recognize each of these numbers is a cube. Their sequence is the sequence of cubes of increasing natural numbers.

  1 = 1·1·1 = 1³

  8 = 2·2·2 = 2³

  27 = 3·3·3 = 3³

  64 = 4·4·4 = 4³

__

The rule is ...

  f(n) = n³

The cubes of 5 through 9 will complete the set of numbers ...

  1, 8, 27, 64, 125, 216, 343, 512, 729

7 0
2 years ago
Which of these supporting details BEST fits after sentence 2?
jeyben [28]

Answer:

c

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Harold spent 3/4 hour milking cows. He milked 3 groups of cows. If he spent an equal amount of time on each group of cows, what
Aneli [31]
(3/4)/3

3/12

1/4

So he spent a 1/4 hour milking each group.
5 0
3 years ago
The hypotenuse of a right triangle measures 7 cm and one of its legs measures 5 cm. Find the measure of the other leg. If necess
blsea [12.9K]

Answer:

4.9

Step-by-step explanation:

We can use the following equation to solve

{5}^{2}  + {x}^{2}  =  {7}^{2}

Reduce

{x}^{2}  = 24

x =  \sqrt{24}

or 4.9

8 0
3 years ago
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