3 years ago

Which of the sets of ordered pairs represents a function?

Mathematics

1 answer:

kodGreya [7K]3 years ago

6 0

Answer:

Both A and B

Step-by-step explanation:

They both pass vertical line test

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A choral conductor has 1542 singers in her choir, some of them are professional singers. The conductor wants to estimate what pe

stellarik [79]

Answer:

The value is $\r p = 2.9\%$

Step-by-step explanation:

From the question we are told that

The number of singers is $N = 1542$

The sample size is $n = 650$

The number the number of singers who are professional is k = 19

The proportion of professional singers is mathematically represented as

$p = \frac{k}{n}$

=> $p = \frac{19}{650}$

=> $p = 0.029$

The percentage estimate of singers who are professional is

$\r p = 100 * 0.029$

$\r p = 2.9\%$

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3 years ago

2. Use the Pythagorean theorem to find the missing side of the following right triangles.

Anon25 [30]

Answer:

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3 years ago

a map scale is 1 in. :50 mi. two cities are 450 miles apart. how far apart are the two cities on the map?

mel-nik [20]

Just divide 450 by 50 and your answer is 9 in

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nikitadnepr [17]

Answer:

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Lungimea unui gard este de 8m şi înălţimea de 2m. Aflaţi raportul dintre înălţimea şi lungimea gardului.

lorasvet [3.4K]

Answer:

Step-by-step explanation:

raportul va fi de 2/8=1/4 m

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