X- 8 TRANTLATE ALGEBRAIC EXPRESSION

Mathematics

1 answer:

n200080 [17]2 years ago

5 0

Answer:

x 8 Putting it all together: (x 2 )4 = (x 2 )( ... zwj;x‍x‍x‍x‍x = x 8 Note that (x 2 )4 = x 8 , and that 2 × 4 = 8. This demonstrates the second exponent

Step-by-step explanation:

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Tickets to a school dance cost $5. Ninety tickets have already been sold. How many more tickets x must be sold to earn at least

alex41 [277]

Step-by-step explanation:

5x90=450

700-450=250

250/5=50

50 more tickets.

i don't know if that's in an inequality form or not. but that's how many tickets

4 0

2 years ago

Approximately 5% of calculators coming out of the production lines have a defect. Fifty calculators are randomly selected from t

baherus [9]

Answer:

0.2611 = 26.11% probability that exactly 2 calculators are defective.

Step-by-step explanation:

For each calculator, there are only two possible outcomes. Either it is defective, or it is not. The probability of a calculator being defective is independent of any other calculator, which means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$