体系数学３の問題集です。338番が分かりません。良ければ教えてください。

2 NOTEB *238 2直線 エ+2y-10=0, 2.c+3y-7=0 の交点を通り,次の条件を満たす直 線の方程式をそれぞれ求めよ。 (1) 直線 3.r+4y-9=0 に平行 (2) 直線 3c+4y-9=0 に垂直 239 kは定数とする。方程式(k+2).r+(2k-3)y=5kー4 で表される直線!につ いて, 直線lはんの値に関係なくある定点を通ることを示せ。また,その定点の 座標を求めよ。 340 3点 A(3, 4), B(0, 0), C(5, 0) を頂点とする △ABC について, 次の3 直線の方程式をそれぞれ求めよ。また, それらが1点で交わることを示し, その 交点の座標を求めよ。 (2) 各頂点から対辺に引いた垂線 1) 各辺の垂直二等分線

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次の対話が成り立つように. ( はそのまま書きなさい。 )内の語を適する形に直しなさい。ただし、直す必要がないとき (1)A:Are these Jane's notebooks? (千葉) B:No. They are (I ). (2)A:Do you like that cat? B:Yes. (It ) tail is very long. [注] tail : しっぽ (3)|A:That is a pretty dog! B:Yes. Takashi and Yuri have this dog. It is ( they ). (4)A:Do you like spring? B:Yes, I do. I like ( it )very much.

正極と陽極、負極と陰極に違いはありますか？

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30番が4番になるのが分かりません どこから分かりますか？

たo/@V@/ YOu/9 Over the 1ast 200 years, people have begun fo Hive longer. and longer. This trend began in the more economically developed countries。and for some time there was a growing gap_between the_average_length of life in rich countries and poor countries/Oyer the past few decades、 however, many Door countries have also made improvements and they are now close to catching up With the wealthier ones. As a result。 every year there js a growing number of older people in countries all over the World. It is a good thing that people are living longer, but it does have some df折cult aspects. One of these is that more and more people are suffering 所orn diseases aSSociated with getting older. The number of cases of high blood pressure, heart disease。 cancer。 and other illnesses is increasing/ m Australia, for instance, 2 Tecent rcpomt said fhat people, on average, live 25 years longer than they did a hundred ) ow。 there RY more people suffering from serious illnesses/One coi have to spend more and more on medical care for o Many governments have begun to promote as losing weight and exercising regularly, Sa as fhe body gets older, even people who have Recently, research has begun to show that 人 older. When DNA breaks down, inmportant inform lost. Eventually, serious illnesses may occuki 舞 However。 David Sinclair。a TeSe の Australia、is working on a way 0 nicotinamide mononucleotide (NMN) IMice that Were given NMNb that the chemical was effctive _make a medicine_for_hummans. healthier liVes.

次の点線に、( )内の語を適する形にして書きなさい。必要がなければそのまま書きなさい。という問題なのですが、 1〜3問だけ解説付きで教えてほしいですm(_ _)m

(they) ④ Do you KnOW 1 SChool. (W@) 人c ・ (sh@) 9か Do@gs OKOW 5){t nt〔%49クペ ( 2 (W@) に| 間 間明5IkelS oo = . (she) 人 間 2 (you) 人 house. hey) (he) 間 hey) 6 notebook? (VOoU) ggSoccer very much. (we (he)

打ちこわしと米騒動の違いを教えてください！

写真の数学Aの確率の問題が分かりません。答えは9分の64です。

notebookはなぜ単数形になるんですか？ 教えてください🙏

第三角法による正投影図