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If you select a card at random what is the probability of getting a number card smaller than nine

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7. [0/7.69 Points] DETAILS MY NOTES SCALCET9 7.XP.4.022. Evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.) $\int \frac{ds}{s^2(s-1)^2}$ $-\frac{1}{(s-1)^2s} + C

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For items 1 to 4, refer to the distributions below. 0.4 0.3 (b) (c) 0.2 (a) 0.1 0 0 2 4 6 8 10 12 Which distribution has the highest mean? * Which distribution has the lowest mean? * Which distribution has the highest variance?* Which distribution has the lowest variance?

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How can I find the focal length of a lens? Group of answer choices find the distance from the lens to the image of an object that is very close to the lens find the distance from the lens to the point that there is a sharp image of the sun take the reciprocal of the diameter of the lens measure the diameter of the lens

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find the length of the curve $y = \sqrt{2 - x^2}$, $0 \le x \le 1$.

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19. Iron ores often contain magnetite, Fe$_3$O$_4$. If an iron ore contains 45.0% Fe$_3$O$_4$ by mass, how many kilograms of iron ore need to be processed to extract 89.00 kg of pure iron? (1) 40.0 kg (2) 55.3 kg (3) 123 kg (4) 198 kg (5) 273 kg

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Whispering Factory provides a 2-year warranty with one of its products which was first sold in 2025. Whispering sold $1,044,600 of products subject to the warranty. Whispering expects $135,320 of warranty costs over the next 2 years. In that year, Whispering spent $74,380 servicing warranty claims. Prepare Whispering's journal entry to record the sales (ignore cost of goods sold) and the December 31 adjusting entry, assuming the expenditures are inventory costs. (If no entry is required, select \"No Entry\" for the account titles and enter 0 for the amounts. Credit account titles are automatically indented when amount is entered. Do not indent manually. List all debit entries before credit entries.) Date Account Titles and Explanation Debit Credit During 2025 (To record payment for warranty costs incurred) (To record sales)

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5. (2 points) The energy stored in a 50µF capacitor is $w(t) = 64 \cos^2(225t)$ J. Find the voltage in the capacitor at $t = 1s$.

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The command to change a file's permissions to -r-x--x--x is: Group of answer choices A. chmod filename B. chmod 511 filename C. chmod u+w filename D. chmod 755 filename 2. The command chmod go-x filename grants execute permissions to group and other. Group of answer choices True False 3. Which of the following will send any error messages to a file? Group of answer choices A. command 2> file B. command <2 file C. command | file D. command > file 4. The command chmod go-x filename grants execute permissions to group and other. Group of answer choices True False

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The instantaneous rate of change of 𝑓(𝑥) = √(𝑘𝑥) − 3 is 0.25 when 𝑥 = 4. Algebraically determine the value of 𝑘.

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