Questions asked
If $f(x, y) = xy$, find the gradient vector $\nabla f(5, 4)$. $\nabla f(5, 4) = $ Use the gradient vector to find the tangent line to the level curve $f(x, y) = 20$ at the point $(5, 4)$.
What conditions are required for valid inferences about left parenthesis sigma 1 right parenthesis squared divided by left parenthesis sigma 2 right parenthesis squaredσ12/σ22?
Stock prices may rise from a reduction in interest rates because:
After entering new records, it is important to remember to save the Access database to prevent any accidental data loss. O True O False
The ______ strategy leads to better adaptation to stress and fewer psychological problems, while the ______ strategy leads to the worst stress management and poorest mental health. ? assimilation; integration ? separation; marginalization ? marginalization; assimilation ? integration; marginalization
86. Suppose there is an increase in production input price. We would expect the supply to: a. Cannot be determined b. Remain the same c. Increase d. Decrease.
Question 46 Which age group spends a greater proportion of sleep in REM sleep? middle age O infant O adolescent O preschooler O senior citizen
Brooks Expeditions provides guided fishing tours. The company charges $210 per person but offers a 20% discount to parties of four or more. Consider the following transactions during the month of May. May 2Charlene books a fishing tour with Brooks Expeditions for herself and four friends at the group discount price ($840 = $168 × 5). The tour is scheduled for May 7.May 7The fishing tour occurs. Brooks Expeditions asks that payment be made within 30 days of the tour and offers a 6% discount for payment within 15 days.May 9Charlene is upset that no one caught a single fish and asks management for a discount. Brooks Expeditions has a strict policy of no discounts related to number of fish caught.May 15Upon deeper investigation, management of Brooks Expeditions discovers that Charlene’s tour was led by a new guide who did not take the group to some of the better fishing spots. In concession, management offers a sales allowance of 30% of the amount due.May 20Brooks Expeditions receives the amount owed by Charlene.Required:1. Record the necessary transaction(s) for Brooks Expeditions on each date.2. Show how Brooks Expeditions would present net revenues in its income statement.
Question 3 20 pts Given the following rod withdrawal data, construct a 1/M plot and estimate the rod position when criticality would occur. The initial count rate on the nuclear instrumentation prior to rod withdrawal is 27 cps. Rod Withdrawal (in) Count Rate (cps) 1 38 3 44 5 51 7 69 9 99 12 278
Q1. Portfolio Rebalancing You have 100 million dollars in your investment account and choose to keep your money allocated in the following proportion via rebalance each quarter: i. 50% in stocks via ETF SPY. ii. 30% in bonds via ETF TLT. iii. 20% in cash Over the past few weeks, SPY went down from $340 to $255, and AGG went up from $140 per share to $178 per share. Cash has an interest rate of zero. a. What is your account \$ balance before rebalancing? What proportion of that is in SPY, TLT, and CASH respectively? (5 points) b. How do you rebalance your account to keep the allocation at 50-30-20 for SPY AGG and cash respectively? What to buy and what to sell in dollar amount? How many SHARES of SPY and AGG to buy or sell (5 points)?
