Answer:
C. x is less than or equal to -32.4
Step-by-step explanation:
First, add 49 to both sides, to get
-5x is greater or equal to 162
Now, divide both sides by -5. However, note that in inequalities, when you divide or multiply by a negative number, you must switch the inequality symbol.
Thus,
x is LESS THAN OR EQUAL TO -32.4
Answer: A
Approximately normal, because we expect 35 successes and 15 failures from vegetarian orders, and 32.5 and 17.5 from gluten-free orders, and all of these counts are at least 10
Step-by-step explanation: Khan Answer
For vegetarian orders 70% order again, so with a sample size of 50 we will have an estimated 35 people order again: This results in 35 successes and 15 failures. For gluten-free orders 65% order again, so with a sample size of 50 we will have an estimated 32.5 people order again: This results in 32.5 successes and 15 failures. Because these are all greater than 10, we can assume normality.
These are the laws of exponent.
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Answer:
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Step-by-step explanation:
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Answer:
The probability of getting three tails is 1 in 8 or 12.5%.