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LiRa [457]
2 years ago
14

Please help me asap:((((

Mathematics
2 answers:
Kitty [74]2 years ago
8 0

Answer:

hi lolololol

S

nekit [7.7K]2 years ago
5 0

Answer:

the 2nd is 600 the 4th is 5 the 200 maybe

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Sandra swims the 100-meter freestyle for her school’s swim team. Her state’s ranking system awards 3 points for first place, 2 p
Elina [12.6K]

Answer:

2.25

Step-by-step explanation:

The total frequency is:

20 + 12 + 6 + 2 = 40

Calculate the probability of each score:

P(X=3) = 20/40 = 0.50

P(X=2) = 12/40 = 0.30

P(X=1) = 6/40 = 0.15

P(X=0) = 2/40 = 0.05

So the expected value is:

E = (3)(0.50) + (2)(0.30) + (1)(0.15) + (0)(0.05)

E = 2.25

5 0
2 years ago
Suppose a principal amount of $2079 were invested into a simple interest account that pays an annual rate of 2.31% then the amou
Anna35 [415]

Answer:

The amount of interest earned at the end of 14 years would be $672.3486

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

E = P*I*t

In which E are the earnings, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

In this problem, we have that:

P = 2079, I = 0.0231, t = 14

So

E = 2079*0.0231*14 = 672.3486

The amount of interest earned at the end of 14 years would be $672.3486

4 0
3 years ago
Write the expression x^-5 in positive exponential form <br> Answer for brainliest!
vladimir1956 [14]

It's 1/x^5

Hope it helps

8 0
3 years ago
Read 2 more answers
A solution of nitric acid has a boiling point of 120 degrees celcius. What is the boiling point of the solution in degrees Fahre
Archy [21]
32 degrees farenheit
5 0
3 years ago
Helllllppppppp help help
Katena32 [7]

Answer:

1. 2

2. 8

3. 1.5

4. 62.83185

5. 18.85

6. 87.96

7. 12.57

8. 1256.64

9. 63.62

10. Half

11. perimeter

12. not sure

Step-by-step explanation:

8 0
2 years ago
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