右下角是解答，但我一直算不出來，請幫我解答一下，還有過程

Apply elementary row operations to transform the following matrix first into echelon form and then into reduced echelon form. 64-5 3 -6 3 -7 -7 8-589 3-9 12-96 15 1 0-2 3 0 -24 0 1 -2 2 0 -7 000014 62 62

為什麼28.不能寫enable （正確答案是make 使寵物的生活品質能夠最好 為什麼30.不能寫Dedicated (正確答案是entitled 他們盡心盡力去做他們認為是對的事

What are you willing to do for your dogs? Of course you are willing to feed them, walk them and play with them. But how about 27 them to a spa, massage, and skin care treatment? Surprisingly, many dog owners nowadays are willing to do anything they can to 28 their dog's quality of life the best it can be. Also, they'll do whatever they can to keep their pets healthy and strong. Thus, almost all medical treatments available for humans are now available for pets. Without thinking twice, devoted owners will pay for expensive operations or even cancer treatments for their pets. One owner, for example, got his dog a $25,000 bone marrow 29 Though they are 30 to do what they think is right, not everything Take cancer treatments for example. 31 how fatigued and . owners do for their dogs is beneficial to the pet. Chemotherapy is not an easy thing for most humans to go through painful the patients may feel after the process, 32 for pets that do not understand what is going on. This causes the pet's final years filled with suffering and horror. Living with pets happily in the present and allowing them to die naturally may be the best thing to do.

請問為什麼折扣是寫lnventory COGS只有賣家有嗎

ng for Merchandise Operations the amount of the gross invoice price, reduces (credits) Inventory by the €70 discount, and reduces (credits) Cash by the net amount owed. May 14 Accounts Payable Cash swoll bns Inventory (To record payment within discount period) ar jor, ob bhap 3,500 lifetimetail 3,430 70 vilsup 1975lat to say do full payment of €3,500 on June 3,

1. The doctor's prognosis for the patient's condition was __________, giving little hope for recovery. a) pessimistic b) optimist... 繼續閱讀

請問b,h

tions & 1000 icated operations. e. 0000 b. 100000011 AND 11101100 10000011 OR 11101100 h. 100000011 01101111 XOR 11101100ivib o isolate the middlo 1 kit

1.21謝謝！

-801. complement form and perform the following operations (note that the sum is +10,627 and requires five digits and a sign). (a) (+9,286) + (+801) (c) (-9,286) + (+801) (b) (+9,286) + (-801) (d) (-9,286) + (-801) signed-2's-complement Termissh. Di sdi 101 1.20 Convert decimal +49 and +29 to binary, using the representation and enough digits to accommodate the numbers. Then perform the binary equivalent of (+29) + (−49), (−29) + (+49), and (−29) + (−49). Convert the answers back to deci- mal and verify that they are correct. 1.21) If the numbers (+9,742)10 and (+641)10 are in signed-magnitude format, their sum is (+10,383)10 and requires five digits and a sign. Convert the numbers to signed-10's- complement form and find the following sums: (a) (+9,742) + (+641) (c) (−9,742) + (+641) (b) (+9,742) + (-641) (d) (−9,742) + (−641) 1.22 Convert decimal 9,045 and 337 to both BCD and ASCII codes. For ASCII, an even parity bit is to be appended at the left. (1.23) Represent the unsigned decimal numbers 609 and 516 in BCD, and then show the steps necessary to form their sum.

請問b跟d 🙏

Chan 1.18 Problems Perform subtraction on the given unsigned binary numbers using the 2's complement of the subtrahend. If the result of subtraction is negative, its decimal equivalent is formed by taking the 2s complement of the result and including a minus sign.SE.F (a) 11001 10010 bra (b) 1100 - 111100 (d) 1100011 (c) 10101 - 11011 10001 55 grow rorrorOFFIC 1.19* The following decimal numbers are shown in signed-magnitude form: +9,286 and +801. Convert them to signed-10's-complement form and perform the following operations (note that the sum is +10,627 and requires five digits and a sign). (a) (+9,286) + (+801) id (b) (+9,286) + (−801) (d) (-9,286) + (−801)

請問有人可以幫我解這三題嗎

2. The financial statements in the year 2021 and 2022, for Kosinski AG contains the following condensed information. December 31 2022 2021 Property, plant&equipment €236,500 €150,000 Accumulated depreciation (37,700) (25,000) Long-term investments 0 15.000 Inventory 35,000 42,000 Accounts receivable (net) 43,300 20,300 Cash 30.900 10,200 €303,000 €212,500 Share capital-ordinary €130,000 € 90,000 Retained earnings 70,000 29,000 Long-term notes payable 70,000 50,000 Accounts payable 21,000 17,000 Accrued liabilities 17.000 26,500 €308,000 €212,500 Additional information for 2022 is: 1. Income before income taxes for the year 2022, €98,800. 2. Depreciation on plant assets for the year, €12,700. 3. Sold the long-term investments for €28,000. 4. Paid dividends of €35,000. 5. Purchased machinery costing €26,500, paid cash. 6. Purchased machinery and gave a €60,000 long-term note payable. 7. Paid a €40,000 long-term note payable by issuing ordinary shares. Paid income taxes of €22,800 for 2022. 8. Instructions: 1. Cash generated from operations = € 2. Net cash provided by operating activities = € 3. Net cash provided by investing activities = € 4. Net increase (decrease) in cash = € @ 5. Free Cash Flow = € @ 填空题 (25 分) 159 (請依照醫目中的填空位置依次填寫答案) Ⓒ29,000 54,200 1,500 20,700 -89400

3. accept改成undergo operation 改成surgery 比較好嗎

2. 房屋交換網站建議換屋者要事先討論這類的問題。 (99學測) Exchange sites 3. Helen 的醫生建議她接受心臟手術。 (102 指考) 4. 那個顧客要求商店老闆給她一些折扣。 suggest that swappers discuss such matters ahead of time. Helen's doctor suggested that she accept operation the heart

求解錯題解析🙏🙏🙏

2. “Have you ever thought about pursuing acareer in ahow business2 ]f you wanot,4obe ln moyiesoogog wialentobviously 31_.TFyoucantact Sing or dancey is almost 32 (that you won't get too far in the business.Those who want to beecome stars should be tall, have aslim waist, a good smile, beautiful eyes, etc. Jn brief, they should be attractive- The truth is thatno one stayS young foreveT. Of course, young actors have the _33 ofhavirg 3 freshi, ne fce. So as Stars age, many ofthem feel pressure to maintain their looks. One common way to do this 1s tiroughi plastic Surgery- Many actors and actresses Will have operations _34 __on their bodies. However, it is out ofthe fear tiat fiieir fans will think they are fake 35_they do not like to talk about these procedures, Today, many celebrities are more willing to talk bo work they”ve had done. For example, model Tyra Banks has Ga anose job, and rapper Cardi B got her bottorm to be bigger- When they open up and are honest about plastic surgery, we can only praise them for their bravery. Its 1ike fie old saying- te truth will set you free. 同 31. (A) goes to extreines ” (B) ends up ” (C)comes first (D) takes place _- 32. (A) guaranteed (B) restricted (0C) strengthened_”_(D) pursued 3人+放 33. (A) metal (B) advantage ” (C) measure (D) attractiveness 以34. (A) to do (B) being done (C) to be done (D) done 家 一 3 (so (Bat (C) because (D) when 四、篇章結構 8% Youre walking through a park, ata concert GT maybe you're just out shopping when someone pulls out his or her phone 同 中 同 OUt to take a picture- 36一 The “selfie” is such a common sight you probably didnt think twice, but has selfie-taking Sotten ofhand? Now that most cellphones come equipped with acamera and access to the Internet it selfie and post it on the social media. _37 “To further fuel this photography trend the Sel vs easier than ever before to snap 8 fie stick”is howa bestselling item- 一 時 istorians are eager for th What s the future ofthe selfie? Is it atrend that”s about to go bust oris it here to stay? 9 人