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FinnZ [79.3K]
4 years ago
12

Solve 23h2+h=−13 by using the quadratic formula

Mathematics
1 answer:
andrew11 [14]4 years ago
5 0

Answer:

2.1

Step-by-step explanation:

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which experimental probability from coach nelson's experiment equals the theorectical probability? what is this probability?
Lilit [14]

Answer:

QUESTION:

which experimental probability from coach nelson's experiment equals the theorectical probability? what is this probability?

ANSWER:

This will explain everything to you.

https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-probability-statistics/cc-7th-theoretical-and-experimental-probability/v/comparing-theoretical-to-experimental-probabilites

Step-by-step explanation:

Hope that this helps you out! :)          

If you have any questions please put them in the comment section below this answer.          

Have a great rest of your day/night!          

Please thank me on my profile if this answer has helped you.

7 0
3 years ago
Sakura speaks 150150150 words per minute on average in Hungarian, and 190190190 words per minute on average in Polish. She once
d1i1m1o1n [39]

Answer:

300 words in Hungarian and 570 in Polish.

Step-by-step explanation:

I guess you need to know the number of words in Hungarian and in Polish.

Let H be the words he said in Hungarian, and P the words he said in Polish.

We are told that Sakura uttered a total of 270 more words in Polish than in Hungarian, therefore:

P = H + 270

And that I speak for 5 minutes, we know that the speed of words in Hungarian is 150 and in Polish it is 190, therefore:

5 = H / 150 + P / 190

Thus we have two equations and two unknowns, that is, it has a solution, replacing P:

5 = H / 150 + (H +270) / 190

5 = (190 * H + 150 * H + 270 * 150) / (150 * 190)

5 * 150 * 190 = 340 * H + 270 * 150

H = (5 * 150 * 190 - 270 * 150) / 340

H = 300

Therefore he said 300 words in Hungarian.

In Polish it would be:

P = 300 + 270 = 570

To check we have to:

300/150 + 570/190 = 5

Therefore, Sakura giving the instructions said 300 words in Hungarian and 570 in Polish.

8 0
3 years ago
You play tennis with your friend every week. From all of the past games, you know that each game is independent and you estimate
Murrr4er [49]

Answer:

120%

Step-by-step explanation:

8 0
3 years ago
How do i do this? the interquartile range? please help!
Irina18 [472]

Answer:

20

Step-by-step explanation:

3 0
4 years ago
You have 24 candy you ate 3/4 how much you have leaft
Firlakuza [10]
You have 6 left 4×6=24 3/4=18 candy you ate
4 0
3 years ago
Read 2 more answers
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