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Ivan
2 years ago
15

Complete the statement. Round to the nearest hundredth if necessary. 15 lb ≈ ? kg

Mathematics
1 answer:
yanalaym [24]2 years ago
6 0

Answer:

6.82 kg

Step-by-step explanation:

set up a proportion based on 2.2 lbs in 1 kg

2.2/1 = 15/x

cross-multiply:

2.2x = 15

x = 6.82

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You have 16 different cuts of flowers and plan to use seven of them how many different selections of the seven flowers are possi
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We can have 11440 different selections.

<u>SOLUTION: </u>

Given, you have 16 different cuts of flowers  

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Then, 7 out of 16 combination \rightarrow^{16} \mathrm{c}_{7} \rightarrow \frac{16 !}{(16-7) ! 7 !}

\bold{\text{ Since } ^nC_r=\frac{n !}{(r !(n-r) !)}}

\begin{array}{l}{\rightarrow \frac{16 !}{9 ! \times 7 !}} \\\\ {\rightarrow \frac{16 \times 15 \times 14 \times 13 \times 12 \times 11 \times 10 \times 9 !}{9 ! \times 7 !}} \\\\ {\rightarrow \frac{16 \times 15 \times 14 \times 13 \times 12 \times 11 \times 10}{7 \times 6 \times 13 \times 12 \times 11 \times 10}} \\\\ {\rightarrow \frac{57657600}{5040}} \\\\ {\rightarrow 11440}\end{array}

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6 0
3 years ago
Which ratio forms a proportion with 7/14
Mazyrski [523]

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Step-by-step explanation:

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3 years ago
Please help me question is in the picture
tekilochka [14]

Answer:

172.70 sq. ft.

Step-by-step explanation:

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3 years ago
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