Home > Precalculus Math 260 Spring 2023 23 Assessment 6.1: Practice Progress saved Done @ 15' Score: 158a'160 15.-' H5 answered . Question 14 V B 83'10 pts '0 3 231 G) Details A bank features a savings account that has an annual percentage rate of *r = 3% with interest compounded Quarterly. Julia deposits 35,500 into the account. I: 7' The account balance can be modeled by the exponential formula A(t) = 3(1 + E) , where A is account value after t years , a. is the principal [starting amount), 1'" is the annual percentage rate, k is the number of times each year that the interest is compounded. {A} What values should be used for a, r, and k? \"=l. l r=l .|= i'==l . (B) How much money wilL Julia have in the account in 10 years? Amount = S I I Round answer to the nearest penny. (C) What is the annual percentage yield {APY} for the savings account? (The APY is the actual or effective annual percentage rate which includes all compounding in the year}. APY = | ' leg Round answer to 3 decimai pieces. Question Help: [E] Video Video Assignment 6.7 Progress saved Done a "16' Score: 22.380 1.38 answered . Question I" V ( > E 0MB pts '0 3 3 (D Details An object with initial temperature 170r'F is submerged in large tank of water whose temperature is TonF. Find a formula for PR], the temperature of the object after t minutes, if the cooling constant is k = 1.4 or: Question Help: [E] Video Home > Precalculus Math 260 Spring 2023 > Assessment Video Assignment 6.7 Progress saved Done $ Voce Score: 22.5/80 1/8 answered Question 8 Precalculus Math 260 Spring 2023 > Assessment 6.3: Video Assignment Progress saved Done Score: 70/80 7/8 answered Question 1 0/10 pts 9 3 # 3 0 Details The graph below shows a transformation of y = 2 -5 -4 -3 -2 -1 1 3 d Write an equation for the graph above. y : Question Help: Video Submit Question\fCourse Calendar | Gradebook Home > Precalculus Math 260 Spring 2023 > Assessment Video Assignment 6.7 Progress saved Done Score: 22.5/80 4/8 answered Question 2 0/10 pts 9 3 3 0 Details Exponential Decay App (yaaes(kt)) Givlication The half life of Radium-226 is 1590 years. If a samwatch later Share 100 mg, how many my will remain after 2500 years? P ( 1590 ) = =P. PC / P ( 1590 ) = = = 1 . e E ( 1540 ) In ( 2 ) = 1590 15 90 -. 000436 - 1 P(t) = a(b)' Watch on Youtube P(t) = Poek The half-life of Radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain after 1000 years? Question Help: Video 1 Video 2 Submit QuestionmyOpenMath Home | My Classes . | User Settings | Log Out Kevin NGUYEN {} Course | Calendar | Gradebook Home > Precalculus Math 260 Spring 2023 > Assessment Video Assignment 6.7 Progress saved Done Voce Score: 22.5/80 4/8 answered .Question 3 Precalculus Math 260 Spring 2023 > Assessment Video Assignment 6.7 Progress saved Done & Voce Score: 22.5/80 3/8 answered . Question 4 Go/10 pts 9 3 2 3 0 Details At the beginning of an experiment, a scientist has 324 grams of radioactive goo. After 225 minutes, her sample has decayed to 10. 125 grams. What is the half-life of the goo in minutes? Find a formula for G(t), the amount of goo remaining at time t. G(t) = How many grams of goo will remain after 62 minutes? Question Help: Video Submit QuestionHome I Course Calendar |Gradebook Home > Precalculus Math 260 Spring 2023 > Assessment Video Assignment 6.7 Progress saved Done Score: 22.5/80 2/8 answered Question 5