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3 years ago

Which of these numbers 3 4 5 6 7 8 makes the inequity true?20>4b

Mathematics

1 answer:

USPshnik [31]3 years ago

4 0

Answer:

3 and 4

Step-by-step explanation:

Solving the inequality

20 > 4b ( divide both sides by 4 )

5 > b, thus

b < 5

3 and 4 are the only values that make the inequality true

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3 years ago

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3 years ago

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3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Clim_%7B%28x%2Cy%29%20%5Cto%20%5C%20%280%2C0%29%7D%20%28x%5E4%20%2By%5E3%29%2F%28x%5E4%20

LuckyWell [14K]

If $x=0$ , you have

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3 0

3 years ago

in a survey 9 out of 10 doctors recommended a certain medicine if 80 doctors were surveyed how many doctors recommended the medi

ale4655 [162]

Answer:

72 doctors recommended the medicine

Step-by-step explanation:

The question above is interpreted thus.

9 out of 10 implies 9/10. If 80 doctors were surveyed, the number of doctors that recommended the medicine is 9/10 of 80 doctors. Therefore,

$\frac{9}{10} \: of \: 80$

$= \frac{9}{10} \times 80$

$= \frac{9 \times 80}{10}$

$= \frac{720}{10}$

$= 72$

Therefore, in a survey where 9 out of 10 doctors recommended a certain medicine; and 80 doctors were surveyed, 72 doctors recommended the medicine.

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4 years ago