有人可以幫我解以下兩題嗎🥺 (1) As F&B Director, you are responsible for estimating F&B revenues and expenses. Perusing HCC Data Set's (2022) first wo... 繼續閱讀

請問有人知道如何算出R語言“列”的平均值嗎？

（傅立葉轉換） 正確答案是紅字 我算出來的答案為最下面 求解😭😭

if Yexel D otherwise , # 7 (41%)) = 1 9. 8 fax)= (you to the top (60); } x_e101 A - Persone dx inx YW X dX TWX X e l 1 TW iWX 0 (1) TWX dy - CoswtWsinwy NIE W² coswt i wcosw-isiuwtwsin way TV W? W

這題看了很久，還是沒有看出個所以然 連題目都看不太懂 求解版上大神🥹

6.4: Problem 2 Previous Problem List Next (1 point) Let D = $(R), where (u, v) = (u2, u + v) and R = [2,9] × [0,8]. Calculate SSoydA. Note: It is not necessary to describe D. SloydA= Preview My Answers Submit Answers

請問這題怎麼解🙏

L. IMWI, uc 4-19. If you measure a quantity four times and the standard devia- tion is 1.0% of the average, can you be 90% confident that the true value is within 1.2% of the measured average? 400 Students mensured the concentration of Cuina

請問這題怎麼解，感謝🙏

NET POPULATION GROWTH A study indicates that x months from now, the population of a certain town will be increasing at the rate of 10 + 2Vx people per month. By how much will the population increase over the next 9 months?

離散數學第二章 邏輯的基本原則 請問這題的b怎麼算

19. Provide the steps and reasons, as in Exercise 18, to establish the following logical equivalences. a) p V [p ^ (p V q)] p lorer v b) p va v (p^^r) A p Vavr c) [(-pv-q) → (p^q^r)] paq 20. Şimplify each of the networks shown in Fig. 3.

請問這題怎麼解，感謝🙏

RETIREMENT ANNUITY When she is 30, Sue starts making annual deposits of $2,000 into a bond fund that pays 8% annual interest compounded continuously. Assuming that her deposits are made as a continuous income flow, how much money will be in her account if she retires at age 55?

哪個微積分大神幫我看一下這證明可不可以！ 又或是我可以從哪裡著手呢？~

只有你 編輯 3. Let f(x) be continuous for 0 SX S1. Suppose further that f(x) assumes rational values only and that f(x) = 1 when x = 1. Prove that f(0) = 4 everywhere. suppose f(x) doesn't have fixed value we have "f(x) EQ jf E= & q> do vsoo for some fro+ f(20) when Ix-xocs, I fix-fixos/>E contradiction with flac is continuous :56o has a fixed value 更多 新增到限時動態 III O

離散數學 第一章 請問第19題怎麼算 第二張是答案可以參考

19. How many times is the print statement executed for the following program segment? (Here, i, j, k, and m are integer variables.) ni diaq orta ) for i:=1 to 20 do as U = for j := 1 to i do for k := 1 to j do for m:= 1 to k do groll print (i* j) + (k * m)