Answer:
A) x = 0, 2
Step-by-step explanation:
(x + 4) / 6x = 1 / x
this is a proportion, so you can cross-multiply and get:
x(x + 4) = 6x
x² + 4x = 6x
x² - 2x = 0
x(x - 2) = 0
x = 0
x - 2 = 0 so, x = 2
Question
What was the sample in the question?
Answer:
All teenagers aged 16 to 19 in the state
Step-by-step explanation:
From the question, the sample size is all teenagers aged 16 to 19 in the state. The probability is 0.25. Sample is the total large proportion that the study is done across. 900 is rhe population and probability is the chance of getting some results, in this case, 1 out of every 4, would drive to school.
<span>It costs $7.00 to play a straightforward game in which a dealer gives you one card from a deck of 52 cards. </span><span>
</span><span>
If the card is a heart, spade, or diamond, you lose. </span><span>
</span><span>
If the card is a club other than the queen of clubs, you win $11.50. </span><span>
</span><span>
If the card is the queen of clubs, you win $50.00. </span><span>
</span><span>
The random variable x represents your net gain from playing this game once, or your winnings minus the cost to play. What is the mean of x, rounded to the nearest penny?</span><span>
</span><span>
------
Random "winnings"::.....-7.......4.50......43</span><span>
</span><span>
Probabilities::........ 39/52....12/52....1/52 </span><span>
</span><span>
------------------------------------------------------</span><span>
</span><span>
u(x) = [39*-7 + 12*4.5 + 43]/52 = -$3.38
</span>
Answer: I think that would be 2/6 because it more then 1/6 but not quite 1/5
Step-by-step explanation:
Sorry if I am wrong
To calculate the volume, we use the data given above. For this problem we are asked to convert cups to mL.
volume = ( 2 cups) <span>225 mL / 1 cup = 450 mL
The student's error in converting is that she divide the conversion factor instead of multiplying it, wrote the conversion factor incorrectly and the units of his final answer is wrong.</span>