数学 大学生・専門学校生・社会人 7ヶ月前

ベクトルの基礎問題です （2）の黄マーカー部分 三角形BOPにおいて直線BQは頂点Bにおける外角の二等分線であるから、OQ:QP=BO:BPになる理由がわかりません

*351 (s) 三角形 OAB は辺の長さが OA=3, OB=5,AB=7 であるとする。また, ∠AOBの二等分線と直線AB との交点をPとし,頂点Bにおける外角の二等 分線と直線 OP との交点を Q とする。 N OF OA, OB を用いて表せ。 また,OP| の値を求めよ。 (2), OB を用いて表せ。また,Q の値を求めよ。 [23 北海道大]

TOEIC・英語 大学生・専門学校生・社会人 4年以上前

英検準一級の英作文の添削をお願いします。見にくいところがあれば言ってください。

Date No. Topic: Do you think thatJapan, is a good Countey tor peagple with' children to live 'in? I do not think that Japan is a god Coanty fr peaple with children to live in. I have two reasons to support my opinion in Terms of Cost and lacking of doy care. Fist parents need much money to raise their childien. For exomple, there are meal_Costs and school tuition. 食安 They high school's Cast are free in Japan, baut high school ondumivecity are higher then we expect. Elemertay sechol and jurice Cost a lot of maney Itis had fr pareats to pay. Seund, the number of bath parents wmerting is increase there doys. 天働き So they have no time for dey caren If parents use a kindergaden, they Could not ue it because many kindergardens Cannat acept. There is he adult to see children. For these reasns, it is not good for people with children to lie in Jopon. (142 wordr)

TOEIC・英語 大学生・専門学校生・社会人 4年以上前

英検準一級の英作文の添削をして頂きたいです。見にくいところがあれば言ってください。よろしくお願いします。

Date No. Topic: Is the recent increase in the nigyber of penple changing jobs in Japan a pasitive development Y I de not think that the recent increase in the. number of people 15 (7 changingjobs in Japon is a pasitive develepnet, I have reasons to support my opinion in terms of effect on the economy and unenplymoant Fict if the number of peaple changing jobs increases, Some Companies will in Jopan. Eflect on the economy will larger than before. bankrupt. It would be a serious problem Second, it is dificult for them to change their jobs becouse theyshould remenber new job Companies do not have enough time to teach working and people changing jo would be tired to remember. I think companies Could not get s. adventagpe For these reasons, the number of people changing jobs in Japan is a negative develapmat. (123 words)

TOEIC・英語 大学生・専門学校生・社会人 4年以上前

英作文の添削をしていただきたいです。よろしくお願いします。見にくいところがあれば言ってください。

Date No. Topic: Da you think that unhedthy fod and drink should be tared at a higher rate than healthy fod? (20- 150vods) agre with the idea that wnheathy food and drink shauld be taxed at a higher rate than healthy food. I have two reasons to support my opineh. Ficst, the number ot peaptle that have an illnes will deerease. Many Jopenese peaple eat wabealitby foad such as fast fed (ロ se patients incease becasse of haring unheaty food. Theretore, it is god for us to decrese oppotuniy of haring the food Second, we can use tax for inventing healthy food. Vnhealthy fod is sold at a lot of super market. a I hink healty fod shadd be insteaded of unhealty fod l0 Heathy food will incre ase by using tar f uaheathy foed lo For these reasens, being tored at_a higher rate is the good iden 13 (12/ mnd) こ Co こ