Questions about warm-up

Mathematics Senior High about 3 yearsago

6400の正の約数は…の所なんですけど、どのように求めればいいか分からないので教えて頂きたいです🙇‍♀️

Warm Up 89 6400= 2.5" と素因数分解すると, m=", n= の約数は全部での和はである。である。 6400 の正 6400 の正の約数で5の倍数であるものすべて個ある。 [07 大同工大]

Unresolved Answers: 1

（1　がわかりません。解説が載っておらずマーカー部分の過程の解説をお願いしたいです。宜しくお願いします

Warm Up 26 (1) x2+2y2=1 のときx+4y2 の最大値と最小値を求めよ。 2 [18 福島大〕 (2) 2次関数y=ax2+4ax+bが-1≦x≦2において最大値 5, 最小値1 をとるとき, a, bの値を求めよ。 [13 東北学院大〕 Step Up ***** 27 関数f(x)=x²-2k(k+1)x+1 は −2≦f(1)≦2 を満たしているという｡ただし, k は実数とする。

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Mathematics Senior High over 3 yearsago

教えてくださいm(_ _)m

Warm Up ★★★☆☆ 267 平面上にあるn個の円は,どの円も他のすべての円と2つの交点をもち,3 つ以上の円は1点で交わらないように描かれているものとする。このとき. すべての交点の数 an を求めよ。〔類 17 防衛医大〕

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Mathematics Senior High over 3 yearsago

（2）で誘導に乗らずに図形的な処理をして一般項を出してしまったのですがこの場合帰納法で証明してから一般項を決定する方がいいのでしょうか？

Warm Up... ***** 59 1辺の長さが1の正方形を Si とし, S, に内接する円を C.C に内接する1 つの正方形を S2, S2 に内接する円を C2 とする。以下同様に, 自然数nに対し, 正方形 Sn, 円 Cnを定める。すなわち,正方形 S の内接円が Cn であり, 正方形 Sn+1 は円 C に内接している。 (1) S の1辺の長さを1とするとき (²/ (2) 数列{ln}の一般項を求めよ。で表せ。の半径をIn (3) Snの内部からCの内部を除いた部分の面積をaとする。 Σan を求め n=1 よ。 AS+Stee.e [15 神奈川大〕 mith

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English Senior High about 4 yearsago

答えを教えてください。

D) LANGUAGE PRACTICE Should and have to Suggestion What should I do? You should try yoga. You shouldn't eat so much fast food! Should I drink more water? Yes, you should. Complete the sentences with should, shouldn't, have/has to, or don't/doesn't have to. 1. To be healthy, we 2. I have a car, so I 3. You 4. My sister is really busy. She should sleep seven or eight hours every night. walk to work. But I still walk for exercise. drink so much soda every day. It's bad for you. 3. You should get some fresh air 4. You shouldn't exercise Grammar Reference page 130 Obligation What do I have to do? You have to read these books. You don't have to do anything! Do I have to pay for the class? No, you don't. 2 Match the information to make complete sentences. 1. We have to pay the fees_e 2. Should we warm up 5. You don't have to go on a diet 6. How much do we have to pay I think people should exercise every day. write ten essays before the semester ends. Unreduced 1. He has to eat first. 2. I have to leave early. 3. She has to go now. 4. They have to pay. a. before we exercise? b. to lose weight. c. after a big meal. d. because you've been indoors all day. e. before we take the class. f. to join the gym? 3 PAIR WORK. What should people do to have a healthy lifestyle? List five things. Then discuss your ideas with your partner. ONLINE PRACTICE Every day? That's too much! PRONUNCIATION-Reduction of has to and have to 1 Listen. Notice the reduced sounds of has to and have to. Reduced He hasta eat first. I hafta leave early. She hasta go now. They hafta pay.

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Mathematics Senior High over 4 yearsago