この計算はどこから間違えているのか教えて欲しいです🙇‍♀️

3 下の図のような直角二等辺三角形 ABC で, 点Pは,Bを出発して辺 BC上をCまで動き ます。辺 AB, AC上にそれぞれ点Q, Rを, 四角形 PCRQが長方形になるようにとります。 点PがBから何cm動いたとき, 2つの△BPQ とAQRA の面積の和が18cm? になりますか。 A BP= z cm とすろと QR = PC = (8ー大) cm R 8-22 (8-2)x (5-x)も ス) スァエッ:カスと Lem IC P。e-d 8cm B xー16x+24 (8-メ)ォ ラズ =19 2 ズー8ス+32 +吉ズー18:= 0 そス?x + 14 - 0 3章

これを教えて欲しいです!!🙇‍♂️

入試レベル問題に挑戦 【適文選択) 17)次の対話文を読み, えましょう。 R Yeah, I got up late this morning. A:Oh, that's too bad. B: I'm hungry. ア Do you have anything to eat? イ Iwanted to cook breakfast. ウ I1l go to the school shop to A: Sorry, I don't. B: That's OK. buy something. エI didn't have time to have breakfast. 3) オ Do you need to get up early? [ 1 8) [ ヒント の直前で「寝坊した」 と言っている。(2) 直後の Sorry はどういうことに対してかを考えよう。 63

2番なんで16じゃないんですか？ 36÷２でもとまらないですか？

O 図4の各段階の細胞を,アを始ま りとしてイ~カを細胞分裂の順に左 から並べなさい。 図4 ア エ オ カ (ア→ の 図4のカの細胞内の染色体を数えてみると,2本1組で16組あった。タマネギの精細胞の染色体の 数は何本か答えなさい。 ○の の

y=2x²でｘの値がaからbまで増加するときのｙの値って 2(a+b)っていう答えでいいんですか？？

この長文解説してくれませんか？ あと、どうすれば長文が「早く」「正確」に解けるのでしょうか、お願いします！

td, I remembered your words, so I got up and started running One day, I said to my father, “I don't want to run in the 100-meter race on sports day. I I always look at this picture when I have some problems. Then I can remember the practiced for three weeks. He said,“Naoki, now you can run faster. But please *remember member of the *track and field club when I was a student.” I said, “Oh, really? What We started to practice running together in the park near our house the next day. My should I do to run faster?" He said, “You should *move your *arms more *quickly. Also, not good at sports.” He said, “If you practice running every day, you can run faster. You Hello, everyone. Look at this picture. My father took it on *sports day when I was father *ran very fast. I asked him, “Why can you run so fast?" He answered, “I was a can't run fast.” He asked me, “Do you practice running?” I *answered, “No, I don't. *Im feel like ~(~のように感じる)の過去形 don't look at the *ground when you're running.” My father *knew a lot about running. We 下の英文は, 男子中学生のナオキ(Naoki) が英語の授業でスピーチをしたときのものです。 ten years old. In this picture, I'm running in the 100-meter *race. The picture is very 5 Torlw important to me. Why? 1 Iwill talk about it. have a lot of time before sports day. 2 od J6 *I said, “I see. Thank you, Dad.” an importantthing. 3 He looked at me and said.“Run *to the end.” A Sports day came. I looked for my father. but I could not find him. The race began. started to run. I *felt like I was running very fast. After running about eighty meters, 1 thought that I could win the race. *Just then, I *fell down to the ground. I was so sad and could not *get up. Then I saw my father's face near the *finish line. He was looking at me. I remembered his words. I got up and started running again. Of course, I was *last. That night, my father showed me this picture and said, “I like this picture very much,” Tasked, “Why?” He answered, "I took it because I was so happy.” I said, “I didn't win the Ho said. “That's not important. I was happy because you didn't stop running after ララ race. I ララ falling down. again.” He looked happy, and he gave this to me. 4 じ race, and I can try hard. I likotgn race 競走 answer 答える sports day 運動会 mn の過去形9glors. ran ~が得意であるo I be good at ~ gabuse を動かす 1ン track and field club 陸上部 0ale. ntodem 腕 quickly 速くiaum.nt. arm remember 覚えている ground 地面 move ~ to the end 最後まで knew knowの過去形 just ちょうど get up 起き上がる 0ge beyslqed 189T Yod T to0 felt like ~ last ビリの ゴールテープ finish line 中文

染色体は32本あってそれが減数分裂すると16本になり 精細胞は更にそれの半分だから答えは8なんですか？ 教えてください！！

O 図4の各段階の細胞を,アを始ま りとしてイ~カを細胞分裂の順に左 から並べなさい。 図4 ア エ オ カ (ア→ の 図4のカの細胞内の染色体を数えてみると,2本1組で16組あった。タマネギの精細胞の染色体の 数は何本か答えなさい。 ○の の

教えてください！！

コロ(4) 2次方程式ピ+ax+18=0の2つの解がともに負の整数であるとき, aの値をすべて 求めなさい。

Aの時カエルは体細胞分裂を行ってるんですか？？ 有性生殖でも行うんですか？

A 雄 受精卵 子 おとな 精子 f

なぜ8本になるんですか？？ くわしく教えてくださいm(_ _)m

② 図4のカの細胞内の染色体を数えてみると,2本1組で16組あった。タマネギの精細胞の染色体の 数は何本か答えなさい。

体細胞分裂って有性生殖でも行うんですか？