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Alex Ar [27]
3 years ago
15

John played a note on his tuba that vibrated the air 70 times per second. If he played the note for 5 seconds, how many times di

d the air vibrate?
Mathematics
2 answers:
Greeley [361]3 years ago
5 0

Answer:


Step-by-step explanation:

All you have to do is multiply the numbers.

lutik1710 [3]3 years ago
3 0
That's simple just multiply 70 and 5
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Use the method illustrated in the solutions to Exercise 9.2.39 to answer the following questions. (a) How many ways can the lett
Jobisdone [24]

Answer:

(a) 720 ways

(b) 120 ways

(c) 24 ways

Step-by-step explanation:

Given

Word = DANCER

n =6 --- number of letters

Solving (a): Number of arrangements.

We have:

n =6

So, the number of arrangements is calculated as:

Total =n!

This gives:

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This gives:

Total =6*5*4*3*2*1

Total =720

Solving (b): DA as a unit

DA as a unit implies that, we have:

[DA] N C E R

So, we have:

n = 5

So, the number of arrangements is calculated as:

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This gives:

Total =5!

This gives:

Total =5*4*3*2*1

Total =120

Solving (c): NCE as a unit

NCE as a unit implies that, we have:

D A [NCE] R

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n = 4

So, the number of arrangements is calculated as:

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8 0
3 years ago
Please help me with this question
Dmitrij [34]

Answer:

a) number 2 and 3 appeared a minimum number of times

b) number 5 appeared a maximum number of times

c) number 1, 4 and 6 appear an equal number of times (4 times). Also number 2 and 3 appear an equal number of times (1 time)

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f) Odd numbers turned up 11 times. The odd numbers in a dice are 1, 3 and 5. Add up how many times they came up: 4+1+6=11

7 0
3 years ago
180 minus what = 45<br><br> i really need this answer thank you
LuckyWell [14K]

Answer: 135

Step-by-step explanation: All you need to do is 180-45=135.

3 0
3 years ago
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mote1985 [20]

The answer would be 230 2/3, because to get the perimeter you have to add all the sides together, 60 5/6 + 59 1/3 + 56 1/6 + 54 1/3 = 230 2/3

6 0
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