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(a) Suppose that you throw 4 dice. Find the probability that you get at least two 4s. (b) Suppose that you throw 2 dice 26 times. Find the probability that you get at least three left parenthesis 4,4 right parenthesis s, that is, "hard eight."

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exercise. PLoS ONE, 12(6), 1-16. DOI: 10.1371/journal.pone.0178739. As older adults age, memory skills tend to decline. In this study, older adults who routinely exercised for 60 to 80 minutes at a time showed an increase in memory-retaining skills, immediately after completing the exercise regime. Older adults who were less physically active did not show an increase in memory-retaining skills, although they did show improvement in memory immediately after completing a physical activity. Additional studies also support that the more physically active an older person is, the more likely they are to exhibit increased memory-retaining skills. Questions 1. What are ways that older adults can increase their physical activity without causing muscle or joint injury? 2. How can older adults know how much they can tolerate exercising? 3. What are other ways that older adults can maintain their memory?

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Military Question 29 of 81. Parker, an active duty servicemember, receives student loan repayment benefits of $4,000 annually. In August 2023, Parker was deployed to Afghanistan and remained there through the end of the year. How much of Parker’s student loan repayment benefits are nontaxable, due to his service in a combat zone for 2023? $1,667 $2,000 $2,333 $4,000 Mark for follow up Question 30 of 81. Which of the following is an accurate statement regarding the filing of a joint tax return for military families? One spouse can prepare and sign the return and then send it to the other spouse to sign and file. The spouse of a member of the military may never sign for the servicemember on a joint return. The spouse of a member of the military may sign a joint return if the servicemember is serving in overseas and the spouse is still stateside. The spouse of a member of the military never needs a power of attorney (POA) in order to file an MFJ tax return. Mark for follow up Question 31 of 81. If a servicemember dies while on active duty, all of the following allowances are available to surviving family members EXCEPT: Burial services for the deceased servicemember. Death gratuity payments for eligible survivors. Interment and a burial marker at any cemetery for the servicemember's direct descendants. Travel of dependents to the servicemember's burial site. Mark for follow up Question 32 of 81. If a servicemember receives reimbursement for moving expenses, how will the amount be reported to them? On Form 1099-MISC in box 3. On Form 1099-NEC in box 1. On Form W-2 with code P in box 12. The amount is not reported as it is not taxable income. Mark for follow up Question 33 of 81. Xavier Serbia was deployed in a combat zone for all of 2023. He is married and has two children. Xavier's nontaxable combat pay in 2023 is $25,000. His wife worked part-time while Xavier was deployed and earned $9,000. What is the maximum amount of earned income the Serbias can report for Earned Income Tax Credit (EITC) purposes in 2023? $9,000 $16,000 $25,000 $34,000

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Down's Syndrome is a result of trisomy 11. Question 6Answer True False

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What are the problems with the checksum coding in detecting storage error? Select all that apply. Group of answer choices It cost too much for storing the checksum. It has a low diagnostic resolution. It is not a separable code. It may not be able to detect the all single errors.

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. From an impulse input into a vessel the following output signal is obtained: Time, minutes : 1 3 5 7 9 11 13 15 Concentration (arbitrary): 0 0 10 10 10 10 0 0 . We want to represent the flow through the vessel with the tanks-in-series model. Using the variance matching procedure determine the number of tanks to use in the model.

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Physics 215 Journal - Spring 2018 Physics 215 WORKOUT #1 A circuit with three resistors is driven by a power supply as shown. You may find the following equations useful in answering the following questions: $R_{parallel} = \left(\frac{1}{R_1} + \frac{1}{R_2} + \frac{1}{R_3} + \dots \right)^{-1}$ $R_{series} = R_1 + R_2 + R_3 + \dots$ (5 PTS) What is the value of $R_{equivalent}$ of the circuit? (5 pts) What is the magnitude of the current flowing through the power supply? (5 pts) What is the magnitude of the current flowing through the 10\Omega resistor? (5 pts) If the 5\Omega resistor indicated burns out, what is the new output power of the power supply? (5 pts) What is the power dissipated in the remaining 5\Omega resistor?

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Question Which of these is the graph of the linear inequality below? $-x + 2y < -2$ Select the correct answer below:

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Learning Goal: Conservation of Mechanical Energy and Circular Motion Part A - Choose the LOWEST point of the tGREEN rack as ZERO height (because we don't know where the ground is, choosing ground as zero height doesn't work here.). What is the speed of the cart at the lowest point? In the figure a roller coaster cart with a mass of 500.0 kg starts at the top point with a speed of $v_0$ = 3.00 m/s. The friction on the track is negligible. The magnitude of the gravitational acceleration is $g$ = 9.80 m/s$^2$. Part B - Recall what you learned in vertical circular motion. The lowest portion of the green track can be approximated as circular of a radius of $r$ = 6.5 m. Calculate the magnitude of the normal force on the cart by the track at the lowest point. Part C - What is the speed of the cart on the flat horizontal portion of the track (where the $h$ = 20m is labeled?

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4-The rod BC is made of steel having an allowable normal stress of 24 ksi. Determine its smallest diameter so that it can support the load shown. The beam is assumed to be pin connected at A. If the pin at point C has 1 inch diameter and in double shear, find shear stress at the pin. Hint: Force in rod BC is the same as the reaction at point B E = 29000 ksi 1000 pounds/foot 10 feet

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amy g.