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QveST [7]
2 years ago
10

b) In one year, Clara and Dave borrowed books from a library in the ratio 3:7. Dave borrowed 35 books. Work out the number of bo

oks borrowed by Clara.​
Mathematics
2 answers:
Arisa [49]2 years ago
8 0

I think it would be 15, because 3 doesn't go in evenly into 35. You might have the order of the ratio messed up.

tatiyna2 years ago
7 0

3:7 =

3/7

3/7 = x/35

7x = 105

x = 15

answer : clara borrowed 15 books

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Answer: No, it is not a linear function

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So if your teacher asked "is this a function?" then the answer would be "yes". However, the "linear" portion is what makes the final answer "no".

5 0
3 years ago
2(4x+9)=8x+18 solve for x
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2(4x+9)=8x+18

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S.A. = 15.7

Step-by-step explanation:

S. A. = \pi r^{2} + \pi rl

1 x 1 x 3.14 = 3.14

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12.56 + 3.14 = 15.7

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3 years ago
3 is the characteristic in the logarithm of the number
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Answer:

<h2>Since log 3 = 0.4771 and log 10 = 1, so the characteristic of log 3 is 0 and the mantissa of log 10 is 0.</h2>

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6 0
3 years ago
 There are 7 Democrats and 6 Republicans on a local city council. A planning committee of 6 for affordable housing needs to be
Brut [27]

Answer:

The probability is 0.383.

Step-by-step explanation:

There are 7 democrats and 6 republicans  

Number of ways in which 4 democrats and 2 republicans can be selected=\[{}^{7}{{C}_{4}}\times {}^{6}{{C}_{2}}\]

Number of ways in which 5 democrats and 1 republican can be selected= \[{}^{7}{{C}_{5}}\times {}^{6}{{C}_{1}}\]

Number of ways in which 6 democrats can be selected = \[{}^{7}{{C}_{6}}\]

So, favourable outcomes are \[{}^{7}{{C}_{4}}\times {}^{6}{{C}_{2}}+{}^{7}{{C}_{5}}\times {}^{6}{{C}_{1}}+{}^{7}{{C}_{6}}\]

Total possible outcomes =\[{}^{13}{{C}_{6}}\]

Now, probability=\[\frac{Favourable}{Possible}=\frac{{}^{7}{{C}_{4}}\times {}^{6}{{C}_{2}}+{}^{7}{{C}_{5}}\times {}^{6}{{C}_{1}}+{}^{7}{{C}_{6}}}{{}^{13}{{C}_{6}}}=0.383\]

Learn more about probability:

brainly.com/question/2561151?referrer=searchResults

7 0
3 years ago
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