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soldi70 [24.7K]
3 years ago
8

Can someone please help me with 1 to 2 please . With explanation. And how you got the answers

Mathematics
1 answer:
Neko [114]3 years ago
5 0

So, the rate per 7 minutes is 7:196

To find the unit rate (how many spins per minute) we need to divide the 196 by 7.

196/7 = 28

The unit rate is 1:28

At this rate, the unicycle makes 420 revolutions per 15 minutes. We find this by 28 * 15 = 420.

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Elan Coil [88]
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4 0
3 years ago
What is the formula of the sequence 3, 6, 10, 15, 21?​
AleksAgata [21]

Answer:

Tn=12n(n+1)

Step-by-step explanation:

Explanation:

These are the triangular numbers - each term in the sequence being the sum of the first n positive integers:

T1=1=1

T2=3=1+2

T3=6=1+2+3

etc.

Notice that:

2Tn=(0)+1+(0)+2+...+(n−1)+(0)+n

2Tn+(0)+n+(n−1)+...+(0)+2+(0)+1

2Tn=(n+1)+(n+1)+...+(n+1)+(n+1)

2Tn=n(n+1)

So:

Tn=12n(n+1)

3 0
2 years ago
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cricket20 [7]

q=10

Remove the radical by raising each side to the index of the radical

Hope this helps!

6 0
3 years ago
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Which of the following equations is nonlinear?
Mice21 [21]

Answer:

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lisabon 2012 [21]

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Step-by-step explanation:

cockme

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