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Nataly [62]
3 years ago
6

An amount was shared in the ratio 3:4. The largest share was 12. What is the smallest share​

Mathematics
1 answer:
boyakko [2]3 years ago
6 0

Answer:

9

Step-by-step explanation:

3/4 = x/12

Cross-multiply: 36 = 4x

x = 9

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Answer: what are the options?

Step-by-step explanation:

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3 years ago
Identify the type of conic section that has the equation 9x2+ 16y2 = 144 and identify its domain and range.
Kobotan [32]
9 x² + 16 y² = 144  /:144
\frac{ x^{2} }{16} + \frac{ y^{2} }{9} =1
General formula of ellipse ( the center is at the origin ):\frac{ x^{2} }{ a^{2} }+ \frac{ y^{2} }{ b^{2} } =1 
a² = 16,  b² = 9
Domain: [-a, a ] = [-4, 4]
Range:[-b, b ]
Answer: B ) ellipse.
Domain: { -4 ≤ x ≤ 4 }
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8 0
3 years ago
The Census Bureau reports that 82% of Americans over the age of 25 are high school graduates. A survey of randomly selected resi
mihalych1998 [28]

Answer:

Mean = 910.2

Standard deviation = 12.8

Step-by-step explanation:

82% over the age of 25 are high school graduates.

A survey randomly selected students of certain country included 1110 who were over the age of 25 and 871 of them were high school.

n = 1110

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q = 1 - 0. 82

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Mean = np

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=√163.836

= 12.8

6 0
3 years ago
What is the length of s?​
prisoha [69]

Answer:

20.78460969 = s

Step-by-step explanation:

tan theta = opposite side / adjacent side

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12 tan 60 = s /12 *12

20.78460969 = s

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78 inches

Step-by-step explanation:

3 0
3 years ago
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