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Aleksandr-060686 [28]
2 years ago
15

Adunând triplul unui numar cu 175 se obține 814.Află numărul.

Mathematics
1 answer:
Hatshy [7]2 years ago
7 0

Answer:

I can only speak a little spanish but ill try!!

Step-by-step explanation:

Spanish: si estás tratando de encontrar 3 números, ya tienes 1 porque tienes 175, entonces tendrías que restar 814 y 175 lo que te daría 639, entonces necesitarás 2 números que sumen 639 y los números que obtuve fueron 368 y 271, así que prueba los 3 números, 368 + 271 + 175 = 814. Esos son los números que obtuve.

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How many ways can 6 people be chosen and arranged in straight line if there are 8 people to choose from? a. 48.b. 720.c. 20, 160
Ipatiy [6.2K]

Answer:

<h2>C. <em>20,160</em></h2>

Step-by-step explanation:

This question bothers on permutation since we are to select a some people out of a group of people and then arrange in a straight line. If r object are to be arranged in a straight line when selecting them from n pool of objects. This can be done in nPr number of ways.

nPr = n!/(n-r)!

Selection of 6 people out of 8 people can therefore be done in 8C6 number of ways.

8P6 = 8!/(8-6)!

8P6 = 8!/2!

8P6 = 8*7*6*5*4*3*2!/2!

8P6 = 8*7*6*5*4*3

8P6 = 56*360

8P6 = 20,160

<em>Hence this can be done in 20,160 number of ways</em>

5 0
3 years ago
Round to the nearest tenth 3.2649
katovenus [111]

Answer:

3.3

Step-by-step explanation:

5 0
2 years ago
Catherine reads 7 1/2 pages of mystery book in 9 minutes. What is her average reading rate in pages per minute?
ki77a [65]
7 1/2  pages divided by 9 minutes is 5/6 pages per minute.
4 0
3 years ago
Use technology or a z-score table to answer the question.
AlexFokin [52]

Answer:

D. 100

Step-by-step explanation:

1. Find the z-score: 165-176/11.4 = -1.2

2. Find the percentage of the z-score. Here it's 16.85%

3. Because we are searching for the amount of members that weigh MORE than 165 pounds and not LESS, we need to find the greater percentage by subtracting 16.85% from 100% which is 83.15%. This is the percentage of people that weigh more than 165 pounds.

4. Multiply the percentage by the number of members: 83.15%*120 = 99.78

5. Round it to a whole number because someone can't be 0.78 of a person. You get 100 members.

Also, I took the test :)

7 0
3 years ago
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kirill [66]

Answer:

Step-by-step explanation: An antique collectible has a value of $235 right now. It will increase in value by 9% each year. Find the value the collectible after 16 years, A.$2115 B. $1017 C.$856 D.933

8 0
2 years ago
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