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英語 高校生

下から15行目のthrow whichのthrow とはなんですか?

y II Day 12 15 5 Negro Leagues Baseball was a collection of major and minor-league baseball leagues that were the first to showcase black team sports on intertwined with the African American and American experience not only a national scale. Launched in 1895, the leagues, as with jazz, became as a cultural element, but as a lucrative business endeavor. team The leagues were not under central management, and schedules and composition League, were changeable from season to season. Appearance and disappearance of leagues was common: the National Colored Baseball for instance, collapsed after only two weeks of operations. Latins, especially Cubans, were also a significant presence on teams. In these ways, the Negro Leagues were quite similar to their white counterparts which would eventually consolidate into Major League Baseball. Blacks near the beginning of the 20th century had only a fraction of whites' purchasing power, so the emergence of the Negro Leagues might have seemed unlikely. However, the Negro Leagues had two main draws that accounted for its business success. The first was a deep reserve of athletic talent. After blacks were formally excluded from white leagues in the 1880s, the Negro Leagues were the sole organization through which black players could work professionally. The quality of Negro Leagues 20 players was high, and substantiated through exhibition matches between Negro Leagues and Major League teams: over the years, both had their fair share of wins and losses in these matches. Another reason for the success of the Negro Leagues was an increasingly affluent black fan base. Driven by American industrialization, blacks were concentrating in major cities such as New York City, Chicago, and Atlanta. Usually barred by custom-and in the South by law-from attending many white entertainment outlets, blacks turned to Negro Leagues games. As a result of these factors, by the 20th century the Negro Leagues were earning a combined millions of dollars. This profitability ended with the desegregation of Major League Baseball. Black fans began attending Major League games, starving the Negro Leagues of its core revenue source. By 1951, the Negro Leagues had ended, although a succession of black star athletes in the Major League had begun.

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数学 高校生

至急お願いします🙇 数Iの範囲なのですが解説が載ってなくてどうしてこの答えになるかがわからないので解説お願いします🙇 問2全部です

22:57 1月28日 (火) PDF } ああ 今] 80% サムネールを表示 Ⅱ 以下の問いに答えなさい。 問1 kを0でない実数とする。 xの2次方程式 x2 (3k+7)x +5k = 0 と x2+ (3k-3)x -5k = 0 が共通の解をもつとき,kの値と共通解を求めなさい。 問2 下の図は, ある日のある時刻に, 直進する太陽光が建物 (図の長方形) によって遮られ, 地面に 影が出来ている様子を表す。 図において, 影と日向(ひなた)の境界である点Aと建物の壁の点 Bの距離は360√3cmであり, 太陽光と地面のなす角 (∠BAC) は30° である。 (1) この建物の高さを求めなさい。 (2) (1)において, 身長160cmの人が建物から離れたところに立っている。 ここで, 人を線分 XYで表し, 端点Xは頭部を表すとする。 夏の猛暑のため、この人は日陰に近寄ろうとして 地面に出来た建物の影の部分に立っているが, 頭部 X は太陽光に当たってしまっている。 この人の頭部が太陽光に当たらないようにするためには, 点Bから何cm以内まで近づけば よいか。 図を参考にして答えなさい。 A 人 X 30° 日向 A Y (ひなた) 日陰 B ............... 太陽光 建物

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