3 years ago

Please help me on problems 17,18,19,20...explanation needed Thanks:)

1 answer:

5 0

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Luden [163]

Answer:

2 5/7

Step-by-step explanation:

In order to solve this problem you must multiply the weight of the original puppy by the 1 2/7 times the second puppy weighs, giving you 2 5/7.

The best way to do this is to turn the mixed numbers into improper fraction, then, multiply straight across and simplify.

8 0

3 years ago

Mariulka [41]

88... 88/11=8 and 88/2=44

8 0

3 years ago

Colt1911 [192]

Answer:

The answer is " $\bold{6.6 \times 10^{12}\ years}$ "

Step-by-step explanation:

Let the given value is:

$R=\frac{1}{9^{17}}\\\\\to \frac{N_{c_{14}}}{N_{c_{12}}}=\frac{1}{9^{17}}\\\\\to t=\frac{2.303 \times 9^{17}}{5717}=6.6\times 10^{12}\ years$

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2 years ago

natima [27]

Answer:

139

Step-by-step explanation:

(5*8)+(9*11)

40+99

139

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3 years ago

Flauer [41]

1800:60=30 revolutions per second
30*2π=60π radians per second

3 0

3 years ago