3 years ago

Name 21 and 22 another way.

Mathematics

1 answer:

galben [10]3 years ago

6 0

Answer:

Step-by-step explanation:

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-u≥4−u≥4 true. Then write an equalivalent inequality, in terms of uu. (Numbers written in order from least to greatest going acr

ziro4ka [17]

Answer:

$(a)\ u \le -4$

$(b)\ u =\{-\infty,.....,-6,-5,-4\}$

Step-by-step explanation:

Given

$-u \ge 4$

Solving (a): An equivalent inequality

We have:

$-u \ge 4$

Multiply both sides by -1 (this changes the inequality)

$-u*-1 \le 4 * -1$

$u \le -4$

Solving (b): Values of u from least to greatest

$u \le -4$ implies that u ends at -4, starting from negative infinity

So, the list is:

$u =\{-\infty,.....,-6,-5,-4\}$

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Answer:

480 people

Step-by-step explanation:

Set up an equation where x is the number of people surveyed:

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Solve for x:

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Step-by-step explanation:

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